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/**
 * @license Highcharts Gantt JS v8.2.2 (2020-10-22)
 *
 * Pathfinder
 *
 * (c) 2016-2019 Øystein Moseng
 *
 * License: www.highcharts.com/license
 */
'use strict';
(function (factory) {
    if (typeof module === 'object' && module.exports) {
        factory['default'] = factory;
        module.exports = factory;
    } else if (typeof define === 'function' && define.amd) {
        define('highcharts/modules/pathfinder', ['highcharts'], function (Highcharts) {
            factory(Highcharts);
            factory.Highcharts = Highcharts;
            return factory;
        });
    } else {
        factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
    }
}(function (Highcharts) {
    var _modules = Highcharts ? Highcharts._modules : {};
    function _registerModule(obj, path, args, fn) {
        if (!obj.hasOwnProperty(path)) {
            obj[path] = fn.apply(null, args);
        }
    }
    _registerModule(_modules, 'Extensions/ArrowSymbols.js', [_modules['Core/Renderer/SVG/SVGRenderer.js']], function (SVGRenderer) {
        /* *
         *
         *  (c) 2017 Highsoft AS
         *  Authors: Lars A. V. Cabrera
         *
         *  License: www.highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        /**
         * Creates an arrow symbol. Like a triangle, except not filled.
         * ```
         *                   o
         *             o
         *       o
         * o
         *       o
         *             o
         *                   o
         * ```
         *
         * @private
         * @function
         *
         * @param {number} x
         *        x position of the arrow
         *
         * @param {number} y
         *        y position of the arrow
         *
         * @param {number} w
         *        width of the arrow
         *
         * @param {number} h
         *        height of the arrow
         *
         * @return {Highcharts.SVGPathArray}
         *         Path array
         */
        SVGRenderer.prototype.symbols.arrow = function (x, y, w, h) {
            return [
                ['M', x, y + h / 2],
                ['L', x + w, y],
                ['L', x, y + h / 2],
                ['L', x + w, y + h]
            ];
        };
        /**
         * Creates a half-width arrow symbol. Like a triangle, except not filled.
         * ```
         *       o
         *    o
         * o
         *    o
         *       o
         * ```
         *
         * @private
         * @function
         *
         * @param {number} x
         *        x position of the arrow
         *
         * @param {number} y
         *        y position of the arrow
         *
         * @param {number} w
         *        width of the arrow
         *
         * @param {number} h
         *        height of the arrow
         *
         * @return {Highcharts.SVGPathArray}
         *         Path array
         */
        SVGRenderer.prototype.symbols['arrow-half'] = function (x, y, w, h) {
            return SVGRenderer.prototype.symbols.arrow(x, y, w / 2, h);
        };
        /**
         * Creates a left-oriented triangle.
         * ```
         *             o
         *       ooooooo
         * ooooooooooooo
         *       ooooooo
         *             o
         * ```
         *
         * @private
         * @function
         *
         * @param {number} x
         *        x position of the triangle
         *
         * @param {number} y
         *        y position of the triangle
         *
         * @param {number} w
         *        width of the triangle
         *
         * @param {number} h
         *        height of the triangle
         *
         * @return {Highcharts.SVGPathArray}
         *         Path array
         */
        SVGRenderer.prototype.symbols['triangle-left'] = function (x, y, w, h) {
            return [
                ['M', x + w, y],
                ['L', x, y + h / 2],
                ['L', x + w, y + h],
                ['Z']
            ];
        };
        /**
         * Alias function for triangle-left.
         *
         * @private
         * @function
         *
         * @param {number} x
         *        x position of the arrow
         *
         * @param {number} y
         *        y position of the arrow
         *
         * @param {number} w
         *        width of the arrow
         *
         * @param {number} h
         *        height of the arrow
         *
         * @return {Highcharts.SVGPathArray}
         *         Path array
         */
        SVGRenderer.prototype.symbols['arrow-filled'] = SVGRenderer.prototype.symbols['triangle-left'];
        /**
         * Creates a half-width, left-oriented triangle.
         * ```
         *       o
         *    oooo
         * ooooooo
         *    oooo
         *       o
         * ```
         *
         * @private
         * @function
         *
         * @param {number} x
         *        x position of the triangle
         *
         * @param {number} y
         *        y position of the triangle
         *
         * @param {number} w
         *        width of the triangle
         *
         * @param {number} h
         *        height of the triangle
         *
         * @return {Highcharts.SVGPathArray}
         *         Path array
         */
        SVGRenderer.prototype.symbols['triangle-left-half'] = function (x, y, w, h) {
            return SVGRenderer.prototype.symbols['triangle-left'](x, y, w / 2, h);
        };
        /**
         * Alias function for triangle-left-half.
         *
         * @private
         * @function
         *
         * @param {number} x
         *        x position of the arrow
         *
         * @param {number} y
         *        y position of the arrow
         *
         * @param {number} w
         *        width of the arrow
         *
         * @param {number} h
         *        height of the arrow
         *
         * @return {Highcharts.SVGPathArray}
         *         Path array
         */
        SVGRenderer.prototype.symbols['arrow-filled-half'] = SVGRenderer.prototype.symbols['triangle-left-half'];

    });
    _registerModule(_modules, 'Gantt/Connection.js', [_modules['Core/Globals.js'], _modules['Core/Options.js'], _modules['Core/Series/Point.js'], _modules['Core/Utilities.js']], function (H, O, Point, U) {
        /* *
         *
         *  (c) 2016 Highsoft AS
         *  Authors: Øystein Moseng, Lars A. V. Cabrera
         *
         *  License: www.highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        /**
         * The default pathfinder algorithm to use for a chart. It is possible to define
         * your own algorithms by adding them to the
         * `Highcharts.Pathfinder.prototype.algorithms`
         * object before the chart has been created.
         *
         * The default algorithms are as follows:
         *
         * `straight`:      Draws a straight line between the connecting
         *                  points. Does not avoid other points when drawing.
         *
         * `simpleConnect`: Finds a path between the points using right angles
         *                  only. Takes only starting/ending points into
         *                  account, and will not avoid other points.
         *
         * `fastAvoid`:     Finds a path between the points using right angles
         *                  only. Will attempt to avoid other points, but its
         *                  focus is performance over accuracy. Works well with
         *                  less dense datasets.
         *
         * @typedef {"fastAvoid"|"simpleConnect"|"straight"|string} Highcharts.PathfinderTypeValue
         */
        ''; // detach doclets above
        var defaultOptions = O.defaultOptions;
        var addEvent = U.addEvent,
            defined = U.defined,
            error = U.error,
            extend = U.extend,
            merge = U.merge,
            objectEach = U.objectEach,
            pick = U.pick,
            splat = U.splat;
        var deg2rad = H.deg2rad,
            max = Math.max,
            min = Math.min;
        /*
         @todo:
             - Document how to write your own algorithms
             - Consider adding a Point.pathTo method that wraps creating a connection
               and rendering it
        */
        // Set default Pathfinder options
        extend(defaultOptions, {
            /**
             * The Pathfinder module allows you to define connections between any two
             * points, represented as lines - optionally with markers for the start
             * and/or end points. Multiple algorithms are available for calculating how
             * the connecting lines are drawn.
             *
             * Connector functionality requires Highcharts Gantt to be loaded. In Gantt
             * charts, the connectors are used to draw dependencies between tasks.
             *
             * @see [dependency](series.gantt.data.dependency)
             *
             * @sample gantt/pathfinder/demo
             *         Pathfinder connections
             *
             * @declare      Highcharts.ConnectorsOptions
             * @product      gantt
             * @optionparent connectors
             */
            connectors: {
                /**
                 * Enable connectors for this chart. Requires Highcharts Gantt.
                 *
                 * @type      {boolean}
                 * @default   true
                 * @since     6.2.0
                 * @apioption connectors.enabled
                 */
                /**
                 * Set the default dash style for this chart's connecting lines.
                 *
                 * @type      {string}
                 * @default   solid
                 * @since     6.2.0
                 * @apioption connectors.dashStyle
                 */
                /**
                 * Set the default color for this chart's Pathfinder connecting lines.
                 * Defaults to the color of the point being connected.
                 *
                 * @type      {Highcharts.ColorString}
                 * @since     6.2.0
                 * @apioption connectors.lineColor
                 */
                /**
                 * Set the default pathfinder margin to use, in pixels. Some Pathfinder
                 * algorithms attempt to avoid obstacles, such as other points in the
                 * chart. These algorithms use this margin to determine how close lines
                 * can be to an obstacle. The default is to compute this automatically
                 * from the size of the obstacles in the chart.
                 *
                 * To draw connecting lines close to existing points, set this to a low
                 * number. For more space around existing points, set this number
                 * higher.
                 *
                 * @sample gantt/pathfinder/algorithm-margin
                 *         Small algorithmMargin
                 *
                 * @type      {number}
                 * @since     6.2.0
                 * @apioption connectors.algorithmMargin
                 */
                /**
                 * Set the default pathfinder algorithm to use for this chart. It is
                 * possible to define your own algorithms by adding them to the
                 * Highcharts.Pathfinder.prototype.algorithms object before the chart
                 * has been created.
                 *
                 * The default algorithms are as follows:
                 *
                 * `straight`:      Draws a straight line between the connecting
                 *                  points. Does not avoid other points when drawing.
                 *
                 * `simpleConnect`: Finds a path between the points using right angles
                 *                  only. Takes only starting/ending points into
                 *                  account, and will not avoid other points.
                 *
                 * `fastAvoid`:     Finds a path between the points using right angles
                 *                  only. Will attempt to avoid other points, but its
                 *                  focus is performance over accuracy. Works well with
                 *                  less dense datasets.
                 *
                 * Default value: `straight` is used as default for most series types,
                 * while `simpleConnect` is used as default for Gantt series, to show
                 * dependencies between points.
                 *
                 * @sample gantt/pathfinder/demo
                 *         Different types used
                 *
                 * @type    {Highcharts.PathfinderTypeValue}
                 * @default undefined
                 * @since   6.2.0
                 */
                type: 'straight',
                /**
                 * Set the default pixel width for this chart's Pathfinder connecting
                 * lines.
                 *
                 * @since 6.2.0
                 */
                lineWidth: 1,
                /**
                 * Marker options for this chart's Pathfinder connectors. Note that
                 * this option is overridden by the `startMarker` and `endMarker`
                 * options.
                 *
                 * @declare Highcharts.ConnectorsMarkerOptions
                 * @since   6.2.0
                 */
                marker: {
                    /**
                     * Set the radius of the connector markers. The default is
                     * automatically computed based on the algorithmMargin setting.
                     *
                     * Setting marker.width and marker.height will override this
                     * setting.
                     *
                     * @type      {number}
                     * @since     6.2.0
                     * @apioption connectors.marker.radius
                     */
                    /**
                     * Set the width of the connector markers. If not supplied, this
                     * is inferred from the marker radius.
                     *
                     * @type      {number}
                     * @since     6.2.0
                     * @apioption connectors.marker.width
                     */
                    /**
                     * Set the height of the connector markers. If not supplied, this
                     * is inferred from the marker radius.
                     *
                     * @type      {number}
                     * @since     6.2.0
                     * @apioption connectors.marker.height
                     */
                    /**
                     * Set the color of the connector markers. By default this is the
                     * same as the connector color.
                     *
                     * @type      {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
                     * @since     6.2.0
                     * @apioption connectors.marker.color
                     */
                    /**
                     * Set the line/border color of the connector markers. By default
                     * this is the same as the marker color.
                     *
                     * @type      {Highcharts.ColorString}
                     * @since     6.2.0
                     * @apioption connectors.marker.lineColor
                     */
                    /**
                     * Enable markers for the connectors.
                     */
                    enabled: false,
                    /**
                     * Horizontal alignment of the markers relative to the points.
                     *
                     * @type {Highcharts.AlignValue}
                     */
                    align: 'center',
                    /**
                     * Vertical alignment of the markers relative to the points.
                     *
                     * @type {Highcharts.VerticalAlignValue}
                     */
                    verticalAlign: 'middle',
                    /**
                     * Whether or not to draw the markers inside the points.
                     */
                    inside: false,
                    /**
                     * Set the line/border width of the pathfinder markers.
                     */
                    lineWidth: 1
                },
                /**
                 * Marker options specific to the start markers for this chart's
                 * Pathfinder connectors. Overrides the generic marker options.
                 *
                 * @declare Highcharts.ConnectorsStartMarkerOptions
                 * @extends connectors.marker
                 * @since   6.2.0
                 */
                startMarker: {
                    /**
                     * Set the symbol of the connector start markers.
                     */
                    symbol: 'diamond'
                },
                /**
                 * Marker options specific to the end markers for this chart's
                 * Pathfinder connectors. Overrides the generic marker options.
                 *
                 * @declare Highcharts.ConnectorsEndMarkerOptions
                 * @extends connectors.marker
                 * @since   6.2.0
                 */
                endMarker: {
                    /**
                     * Set the symbol of the connector end markers.
                     */
                    symbol: 'arrow-filled'
                }
            }
        });
        /**
         * Override Pathfinder connector options for a series. Requires Highcharts Gantt
         * to be loaded.
         *
         * @declare   Highcharts.SeriesConnectorsOptionsObject
         * @extends   connectors
         * @since     6.2.0
         * @excluding enabled, algorithmMargin
         * @product   gantt
         * @apioption plotOptions.series.connectors
         */
        /**
         * Connect to a point. This option can be either a string, referring to the ID
         * of another point, or an object, or an array of either. If the option is an
         * array, each element defines a connection.
         *
         * @sample gantt/pathfinder/demo
         *         Different connection types
         *
         * @declare   Highcharts.XrangePointConnectorsOptionsObject
         * @type      {string|Array<string|*>|*}
         * @extends   plotOptions.series.connectors
         * @since     6.2.0
         * @excluding enabled
         * @product   gantt
         * @requires  highcharts-gantt
         * @apioption series.xrange.data.connect
         */
        /**
         * The ID of the point to connect to.
         *
         * @type      {string}
         * @since     6.2.0
         * @product   gantt
         * @apioption series.xrange.data.connect.to
         */
        /**
         * Get point bounding box using plotX/plotY and shapeArgs. If using
         * graphic.getBBox() directly, the bbox will be affected by animation.
         *
         * @private
         * @function
         *
         * @param {Highcharts.Point} point
         *        The point to get BB of.
         *
         * @return {Highcharts.Dictionary<number>|null}
         *         Result xMax, xMin, yMax, yMin.
         */
        function getPointBB(point) {
            var shapeArgs = point.shapeArgs,
                bb;
            // Prefer using shapeArgs (columns)
            if (shapeArgs) {
                return {
                    xMin: shapeArgs.x,
                    xMax: shapeArgs.x + shapeArgs.width,
                    yMin: shapeArgs.y,
                    yMax: shapeArgs.y + shapeArgs.height
                };
            }
            // Otherwise use plotX/plotY and bb
            bb = point.graphic && point.graphic.getBBox();
            return bb ? {
                xMin: point.plotX - bb.width / 2,
                xMax: point.plotX + bb.width / 2,
                yMin: point.plotY - bb.height / 2,
                yMax: point.plotY + bb.height / 2
            } : null;
        }
        /**
         * Calculate margin to place around obstacles for the pathfinder in pixels.
         * Returns a minimum of 1 pixel margin.
         *
         * @private
         * @function
         *
         * @param {Array<object>} obstacles
         *        Obstacles to calculate margin from.
         *
         * @return {number}
         *         The calculated margin in pixels. At least 1.
         */
        function calculateObstacleMargin(obstacles) {
            var len = obstacles.length,
                i = 0,
                j,
                obstacleDistance,
                distances = [], 
                // Compute smallest distance between two rectangles
                distance = function (a,
                b,
                bbMargin) {
                    // Count the distance even if we are slightly off
                    var margin = pick(bbMargin, 10),
                yOverlap = a.yMax + margin > b.yMin - margin &&
                        a.yMin - margin < b.yMax + margin,
                xOverlap = a.xMax + margin > b.xMin - margin &&
                        a.xMin - margin < b.xMax + margin,
                xDistance = yOverlap ? (a.xMin > b.xMax ? a.xMin - b.xMax : b.xMin - a.xMax) : Infinity,
                yDistance = xOverlap ? (a.yMin > b.yMax ? a.yMin - b.yMax : b.yMin - a.yMax) : Infinity;
                // If the rectangles collide, try recomputing with smaller margin.
                // If they collide anyway, discard the obstacle.
                if (xOverlap && yOverlap) {
                    return (margin ?
                        distance(a, b, Math.floor(margin / 2)) :
                        Infinity);
                }
                return min(xDistance, yDistance);
            };
            // Go over all obstacles and compare them to the others.
            for (; i < len; ++i) {
                // Compare to all obstacles ahead. We will already have compared this
                // obstacle to the ones before.
                for (j = i + 1; j < len; ++j) {
                    obstacleDistance = distance(obstacles[i], obstacles[j]);
                    // TODO: Magic number 80
                    if (obstacleDistance < 80) { // Ignore large distances
                        distances.push(obstacleDistance);
                    }
                }
            }
            // Ensure we always have at least one value, even in very spaceous charts
            distances.push(80);
            return max(Math.floor(distances.sort(function (a, b) {
                return (a - b);
            })[
            // Discard first 10% of the relevant distances, and then grab
            // the smallest one.
            Math.floor(distances.length / 10)] / 2 - 1 // Divide the distance by 2 and subtract 1.
            ), 1 // 1 is the minimum margin
            );
        }
        /* eslint-disable no-invalid-this, valid-jsdoc */
        /**
         * The Connection class. Used internally to represent a connection between two
         * points.
         *
         * @private
         * @class
         * @name Highcharts.Connection
         *
         * @param {Highcharts.Point} from
         *        Connection runs from this Point.
         *
         * @param {Highcharts.Point} to
         *        Connection runs to this Point.
         *
         * @param {Highcharts.ConnectorsOptions} [options]
         *        Connection options.
         */
        var Connection = /** @class */ (function () {
                function Connection(from, to, options) {
                    /* *
                    *
                    * Properties
                    *
                    * */
                    this.chart = void 0;
                this.fromPoint = void 0;
                this.graphics = void 0;
                this.pathfinder = void 0;
                this.toPoint = void 0;
                this.init(from, to, options);
            }
            /**
             * Initialize the Connection object. Used as constructor only.
             *
             * @function Highcharts.Connection#init
             *
             * @param {Highcharts.Point} from
             *        Connection runs from this Point.
             *
             * @param {Highcharts.Point} to
             *        Connection runs to this Point.
             *
             * @param {Highcharts.ConnectorsOptions} [options]
             *        Connection options.
             */
            Connection.prototype.init = function (from, to, options) {
                this.fromPoint = from;
                this.toPoint = to;
                this.options = options;
                this.chart = from.series.chart;
                this.pathfinder = this.chart.pathfinder;
            };
            /**
             * Add (or update) this connection's path on chart. Stores reference to the
             * created element on this.graphics.path.
             *
             * @function Highcharts.Connection#renderPath
             *
             * @param {Highcharts.SVGPathArray} path
             *        Path to render, in array format. E.g. ['M', 0, 0, 'L', 10, 10]
             *
             * @param {Highcharts.SVGAttributes} [attribs]
             *        SVG attributes for the path.
             *
             * @param {Partial<Highcharts.AnimationOptionsObject>} [animation]
             *        Animation options for the rendering.
             */
            Connection.prototype.renderPath = function (path, attribs, animation) {
                var connection = this,
                    chart = this.chart,
                    styledMode = chart.styledMode,
                    pathfinder = chart.pathfinder,
                    animate = !chart.options.chart.forExport && animation !== false,
                    pathGraphic = connection.graphics && connection.graphics.path,
                    anim;
                // Add the SVG element of the pathfinder group if it doesn't exist
                if (!pathfinder.group) {
                    pathfinder.group = chart.renderer.g()
                        .addClass('highcharts-pathfinder-group')
                        .attr({ zIndex: -1 })
                        .add(chart.seriesGroup);
                }
                // Shift the group to compensate for plot area.
                // Note: Do this always (even when redrawing a path) to avoid issues
                // when updating chart in a way that changes plot metrics.
                pathfinder.group.translate(chart.plotLeft, chart.plotTop);
                // Create path if does not exist
                if (!(pathGraphic && pathGraphic.renderer)) {
                    pathGraphic = chart.renderer.path()
                        .add(pathfinder.group);
                    if (!styledMode) {
                        pathGraphic.attr({
                            opacity: 0
                        });
                    }
                }
                // Set path attribs and animate to the new path
                pathGraphic.attr(attribs);
                anim = { d: path };
                if (!styledMode) {
                    anim.opacity = 1;
                }
                pathGraphic[animate ? 'animate' : 'attr'](anim, animation);
                // Store reference on connection
                this.graphics = this.graphics || {};
                this.graphics.path = pathGraphic;
            };
            /**
             * Calculate and add marker graphics for connection to the chart. The
             * created/updated elements are stored on this.graphics.start and
             * this.graphics.end.
             *
             * @function Highcharts.Connection#addMarker
             *
             * @param {string} type
             *        Marker type, either 'start' or 'end'.
             *
             * @param {Highcharts.ConnectorsMarkerOptions} options
             *        All options for this marker. Not calculated or merged with other
             *        options.
             *
             * @param {Highcharts.SVGPathArray} path
             *        Connection path in array format. This is used to calculate the
             *        rotation angle of the markers.
             */
            Connection.prototype.addMarker = function (type, options, path) {
                var connection = this,
                    chart = connection.fromPoint.series.chart,
                    pathfinder = chart.pathfinder,
                    renderer = chart.renderer,
                    point = (type === 'start' ?
                        connection.fromPoint :
                        connection.toPoint),
                    anchor = point.getPathfinderAnchorPoint(options),
                    markerVector,
                    radians,
                    rotation,
                    box,
                    width,
                    height,
                    pathVector,
                    segment;
                if (!options.enabled) {
                    return;
                }
                // Last vector before start/end of path, used to get angle
                if (type === 'start') {
                    segment = path[1];
                }
                else { // 'end'
                    segment = path[path.length - 2];
                }
                if (segment && segment[0] === 'M' || segment[0] === 'L') {
                    pathVector = {
                        x: segment[1],
                        y: segment[2]
                    };
                    // Get angle between pathVector and anchor point and use it to
                    // create marker position.
                    radians = point.getRadiansToVector(pathVector, anchor);
                    markerVector = point.getMarkerVector(radians, options.radius, anchor);
                    // Rotation of marker is calculated from angle between pathVector
                    // and markerVector.
                    // (Note:
                    //  Used to recalculate radians between markerVector and pathVector,
                    //  but this should be the same as between pathVector and anchor.)
                    rotation = -radians / deg2rad;
                    if (options.width && options.height) {
                        width = options.width;
                        height = options.height;
                    }
                    else {
                        width = height = options.radius * 2;
                    }
                    // Add graphics object if it does not exist
                    connection.graphics = connection.graphics || {};
                    box = {
                        x: markerVector.x - (width / 2),
                        y: markerVector.y - (height / 2),
                        width: width,
                        height: height,
                        rotation: rotation,
                        rotationOriginX: markerVector.x,
                        rotationOriginY: markerVector.y
                    };
                    if (!connection.graphics[type]) {
                        // Create new marker element
                        connection.graphics[type] = renderer
                            .symbol(options.symbol)
                            .addClass('highcharts-point-connecting-path-' + type + '-marker')
                            .attr(box)
                            .add(pathfinder.group);
                        if (!renderer.styledMode) {
                            connection.graphics[type].attr({
                                fill: options.color || connection.fromPoint.color,
                                stroke: options.lineColor,
                                'stroke-width': options.lineWidth,
                                opacity: 0
                            })
                                .animate({
                                opacity: 1
                            }, point.series.options.animation);
                        }
                    }
                    else {
                        connection.graphics[type].animate(box);
                    }
                }
            };
            /**
             * Calculate and return connection path.
             * Note: Recalculates chart obstacles on demand if they aren't calculated.
             *
             * @function Highcharts.Connection#getPath
             *
             * @param {Highcharts.ConnectorsOptions} options
             *        Connector options. Not calculated or merged with other options.
             *
             * @return {object|undefined}
             *         Calculated SVG path data in array format.
             */
            Connection.prototype.getPath = function (options) {
                var pathfinder = this.pathfinder,
                    chart = this.chart,
                    algorithm = pathfinder.algorithms[options.type],
                    chartObstacles = pathfinder.chartObstacles;
                if (typeof algorithm !== 'function') {
                    error('"' + options.type + '" is not a Pathfinder algorithm.');
                    return {
                        path: [],
                        obstacles: []
                    };
                }
                // This function calculates obstacles on demand if they don't exist
                if (algorithm.requiresObstacles && !chartObstacles) {
                    chartObstacles =
                        pathfinder.chartObstacles =
                            pathfinder.getChartObstacles(options);
                    // If the algorithmMargin was computed, store the result in default
                    // options.
                    chart.options.connectors.algorithmMargin =
                        options.algorithmMargin;
                    // Cache some metrics too
                    pathfinder.chartObstacleMetrics =
                        pathfinder.getObstacleMetrics(chartObstacles);
                }
                // Get the SVG path
                return algorithm(
                // From
                this.fromPoint.getPathfinderAnchorPoint(options.startMarker), 
                // To
                this.toPoint.getPathfinderAnchorPoint(options.endMarker), merge({
                    chartObstacles: chartObstacles,
                    lineObstacles: pathfinder.lineObstacles || [],
                    obstacleMetrics: pathfinder.chartObstacleMetrics,
                    hardBounds: {
                        xMin: 0,
                        xMax: chart.plotWidth,
                        yMin: 0,
                        yMax: chart.plotHeight
                    },
                    obstacleOptions: {
                        margin: options.algorithmMargin
                    },
                    startDirectionX: pathfinder.getAlgorithmStartDirection(options.startMarker)
                }, options));
            };
            /**
             * (re)Calculate and (re)draw the connection.
             *
             * @function Highcharts.Connection#render
             */
            Connection.prototype.render = function () {
                var connection = this,
                    fromPoint = connection.fromPoint,
                    series = fromPoint.series,
                    chart = series.chart,
                    pathfinder = chart.pathfinder,
                    pathResult,
                    path,
                    options = merge(chart.options.connectors,
                    series.options.connectors,
                    fromPoint.options.connectors,
                    connection.options),
                    attribs = {};
                // Set path attribs
                if (!chart.styledMode) {
                    attribs.stroke = options.lineColor || fromPoint.color;
                    attribs['stroke-width'] = options.lineWidth;
                    if (options.dashStyle) {
                        attribs.dashstyle = options.dashStyle;
                    }
                }
                attribs['class'] = // eslint-disable-line dot-notation
                    'highcharts-point-connecting-path ' +
                        'highcharts-color-' + fromPoint.colorIndex;
                options = merge(attribs, options);
                // Set common marker options
                if (!defined(options.marker.radius)) {
                    options.marker.radius = min(max(Math.ceil((options.algorithmMargin || 8) / 2) - 1, 1), 5);
                }
                // Get the path
                pathResult = connection.getPath(options);
                path = pathResult.path;
                // Always update obstacle storage with obstacles from this path.
                // We don't know if future calls will need this for their algorithm.
                if (pathResult.obstacles) {
                    pathfinder.lineObstacles =
                        pathfinder.lineObstacles || [];
                    pathfinder.lineObstacles =
                        pathfinder.lineObstacles.concat(pathResult.obstacles);
                }
                // Add the calculated path to the pathfinder group
                connection.renderPath(path, attribs, series.options.animation);
                // Render the markers
                connection.addMarker('start', merge(options.marker, options.startMarker), path);
                connection.addMarker('end', merge(options.marker, options.endMarker), path);
            };
            /**
             * Destroy connection by destroying the added graphics elements.
             *
             * @function Highcharts.Connection#destroy
             */
            Connection.prototype.destroy = function () {
                if (this.graphics) {
                    objectEach(this.graphics, function (val) {
                        val.destroy();
                    });
                    delete this.graphics;
                }
            };
            return Connection;
        }());
        // Add to Highcharts namespace
        H.Connection = Connection;
        // Add pathfinding capabilities to Points
        extend(Point.prototype, /** @lends Point.prototype */ {
            /**
             * Get coordinates of anchor point for pathfinder connection.
             *
             * @private
             * @function Highcharts.Point#getPathfinderAnchorPoint
             *
             * @param {Highcharts.ConnectorsMarkerOptions} markerOptions
             *        Connection options for position on point.
             *
             * @return {Highcharts.PositionObject}
             *         An object with x/y properties for the position. Coordinates are
             *         in plot values, not relative to point.
             */
            getPathfinderAnchorPoint: function (markerOptions) {
                var bb = getPointBB(this),
                    x,
                    y;
                switch (markerOptions.align) { // eslint-disable-line default-case
                    case 'right':
                        x = 'xMax';
                        break;
                    case 'left':
                        x = 'xMin';
                }
                switch (markerOptions.verticalAlign) { // eslint-disable-line default-case
                    case 'top':
                        y = 'yMin';
                        break;
                    case 'bottom':
                        y = 'yMax';
                }
                return {
                    x: x ? bb[x] : (bb.xMin + bb.xMax) / 2,
                    y: y ? bb[y] : (bb.yMin + bb.yMax) / 2
                };
            },
            /**
             * Utility to get the angle from one point to another.
             *
             * @private
             * @function Highcharts.Point#getRadiansToVector
             *
             * @param {Highcharts.PositionObject} v1
             *        The first vector, as an object with x/y properties.
             *
             * @param {Highcharts.PositionObject} v2
             *        The second vector, as an object with x/y properties.
             *
             * @return {number}
             *         The angle in degrees
             */
            getRadiansToVector: function (v1, v2) {
                var box;
                if (!defined(v2)) {
                    box = getPointBB(this);
                    if (box) {
                        v2 = {
                            x: (box.xMin + box.xMax) / 2,
                            y: (box.yMin + box.yMax) / 2
                        };
                    }
                }
                return Math.atan2(v2.y - v1.y, v1.x - v2.x);
            },
            /**
             * Utility to get the position of the marker, based on the path angle and
             * the marker's radius.
             *
             * @private
             * @function Highcharts.Point#getMarkerVector
             *
             * @param {number} radians
             *        The angle in radians from the point center to another vector.
             *
             * @param {number} markerRadius
             *        The radius of the marker, to calculate the additional distance to
             *        the center of the marker.
             *
             * @param {object} anchor
             *        The anchor point of the path and marker as an object with x/y
             *        properties.
             *
             * @return {object}
             *         The marker vector as an object with x/y properties.
             */
            getMarkerVector: function (radians, markerRadius, anchor) {
                var twoPI = Math.PI * 2.0,
                    theta = radians,
                    bb = getPointBB(this),
                    rectWidth = bb.xMax - bb.xMin,
                    rectHeight = bb.yMax - bb.yMin,
                    rAtan = Math.atan2(rectHeight,
                    rectWidth),
                    tanTheta = 1,
                    leftOrRightRegion = false,
                    rectHalfWidth = rectWidth / 2.0,
                    rectHalfHeight = rectHeight / 2.0,
                    rectHorizontalCenter = bb.xMin + rectHalfWidth,
                    rectVerticalCenter = bb.yMin + rectHalfHeight,
                    edgePoint = {
                        x: rectHorizontalCenter,
                        y: rectVerticalCenter
                    },
                    markerPoint = {},
                    xFactor = 1,
                    yFactor = 1;
                while (theta < -Math.PI) {
                    theta += twoPI;
                }
                while (theta > Math.PI) {
                    theta -= twoPI;
                }
                tanTheta = Math.tan(theta);
                if ((theta > -rAtan) && (theta <= rAtan)) {
                    // Right side
                    yFactor = -1;
                    leftOrRightRegion = true;
                }
                else if (theta > rAtan && theta <= (Math.PI - rAtan)) {
                    // Top side
                    yFactor = -1;
                }
                else if (theta > (Math.PI - rAtan) || theta <= -(Math.PI - rAtan)) {
                    // Left side
                    xFactor = -1;
                    leftOrRightRegion = true;
                }
                else {
                    // Bottom side
                    xFactor = -1;
                }
                // Correct the edgePoint according to the placement of the marker
                if (leftOrRightRegion) {
                    edgePoint.x += xFactor * (rectHalfWidth);
                    edgePoint.y += yFactor * (rectHalfWidth) * tanTheta;
                }
                else {
                    edgePoint.x += xFactor * (rectHeight / (2.0 * tanTheta));
                    edgePoint.y += yFactor * (rectHalfHeight);
                }
                if (anchor.x !== rectHorizontalCenter) {
                    edgePoint.x = anchor.x;
                }
                if (anchor.y !== rectVerticalCenter) {
                    edgePoint.y = anchor.y;
                }
                markerPoint.x = edgePoint.x + (markerRadius * Math.cos(theta));
                markerPoint.y = edgePoint.y - (markerRadius * Math.sin(theta));
                return markerPoint;
            }
        });
        /**
         * Warn if using legacy options. Copy the options over. Note that this will
         * still break if using the legacy options in chart.update, addSeries etc.
         * @private
         */
        function warnLegacy(chart) {
            if (chart.options.pathfinder ||
                chart.series.reduce(function (acc, series) {
                    if (series.options) {
                        merge(true, (series.options.connectors = series.options.connectors ||
                            {}), series.options.pathfinder);
                    }
                    return acc || series.options && series.options.pathfinder;
                }, false)) {
                merge(true, (chart.options.connectors = chart.options.connectors || {}), chart.options.pathfinder);
                error('WARNING: Pathfinder options have been renamed. ' +
                    'Use "chart.connectors" or "series.connectors" instead.');
            }
        }

        return Connection;
    });
    _registerModule(_modules, 'Gantt/PathfinderAlgorithms.js', [_modules['Core/Utilities.js']], function (U) {
        /* *
         *
         *  (c) 2016 Highsoft AS
         *  Author: Øystein Moseng
         *
         *  License: www.highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        var extend = U.extend,
            pick = U.pick;
        var min = Math.min,
            max = Math.max,
            abs = Math.abs;
        /**
         * Get index of last obstacle before xMin. Employs a type of binary search, and
         * thus requires that obstacles are sorted by xMin value.
         *
         * @private
         * @function findLastObstacleBefore
         *
         * @param {Array<object>} obstacles
         *        Array of obstacles to search in.
         *
         * @param {number} xMin
         *        The xMin threshold.
         *
         * @param {number} [startIx]
         *        Starting index to search from. Must be within array range.
         *
         * @return {number}
         *         The index of the last obstacle element before xMin.
         */
        function findLastObstacleBefore(obstacles, xMin, startIx) {
            var left = startIx || 0, // left limit
                right = obstacles.length - 1, // right limit
                min = xMin - 0.0000001, // Make sure we include all obstacles at xMin
                cursor,
                cmp;
            while (left <= right) {
                cursor = (right + left) >> 1;
                cmp = min - obstacles[cursor].xMin;
                if (cmp > 0) {
                    left = cursor + 1;
                }
                else if (cmp < 0) {
                    right = cursor - 1;
                }
                else {
                    return cursor;
                }
            }
            return left > 0 ? left - 1 : 0;
        }
        /**
         * Test if a point lays within an obstacle.
         *
         * @private
         * @function pointWithinObstacle
         *
         * @param {object} obstacle
         *        Obstacle to test.
         *
         * @param {Highcharts.Point} point
         *        Point with x/y props.
         *
         * @return {boolean}
         *         Whether point is within the obstacle or not.
         */
        function pointWithinObstacle(obstacle, point) {
            return (point.x <= obstacle.xMax &&
                point.x >= obstacle.xMin &&
                point.y <= obstacle.yMax &&
                point.y >= obstacle.yMin);
        }
        /**
         * Find the index of an obstacle that wraps around a point.
         * Returns -1 if not found.
         *
         * @private
         * @function findObstacleFromPoint
         *
         * @param {Array<object>} obstacles
         *        Obstacles to test.
         *
         * @param {Highcharts.Point} point
         *        Point with x/y props.
         *
         * @return {number}
         *         Ix of the obstacle in the array, or -1 if not found.
         */
        function findObstacleFromPoint(obstacles, point) {
            var i = findLastObstacleBefore(obstacles,
                point.x + 1) + 1;
            while (i--) {
                if (obstacles[i].xMax >= point.x &&
                    // optimization using lazy evaluation
                    pointWithinObstacle(obstacles[i], point)) {
                    return i;
                }
            }
            return -1;
        }
        /**
         * Get SVG path array from array of line segments.
         *
         * @private
         * @function pathFromSegments
         *
         * @param {Array<object>} segments
         *        The segments to build the path from.
         *
         * @return {Highcharts.SVGPathArray}
         *         SVG path array as accepted by the SVG Renderer.
         */
        function pathFromSegments(segments) {
            var path = [];
            if (segments.length) {
                path.push(['M', segments[0].start.x, segments[0].start.y]);
                for (var i = 0; i < segments.length; ++i) {
                    path.push(['L', segments[i].end.x, segments[i].end.y]);
                }
            }
            return path;
        }
        /**
         * Limits obstacle max/mins in all directions to bounds. Modifies input
         * obstacle.
         *
         * @private
         * @function limitObstacleToBounds
         *
         * @param {object} obstacle
         *        Obstacle to limit.
         *
         * @param {object} bounds
         *        Bounds to use as limit.
         *
         * @return {void}
         */
        function limitObstacleToBounds(obstacle, bounds) {
            obstacle.yMin = max(obstacle.yMin, bounds.yMin);
            obstacle.yMax = min(obstacle.yMax, bounds.yMax);
            obstacle.xMin = max(obstacle.xMin, bounds.xMin);
            obstacle.xMax = min(obstacle.xMax, bounds.xMax);
        }
        /**
         * Get an SVG path from a starting coordinate to an ending coordinate.
         * Draws a straight line.
         *
         * @function Highcharts.Pathfinder.algorithms.straight
         *
         * @param {Highcharts.PositionObject} start
         *        Starting coordinate, object with x/y props.
         *
         * @param {Highcharts.PositionObject} end
         *        Ending coordinate, object with x/y props.
         *
         * @return {object}
         *         An object with the SVG path in Array form as accepted by the SVG
         *         renderer, as well as an array of new obstacles making up this
         *         path.
         */
        function straight(start, end) {
            return {
                path: [
                    ['M', start.x, start.y],
                    ['L', end.x, end.y]
                ],
                obstacles: [{ start: start, end: end }]
            };
        }
        /**
         * Find a path from a starting coordinate to an ending coordinate, using
         * right angles only, and taking only starting/ending obstacle into
         * consideration.
         *
         * @function Highcharts.Pathfinder.algorithms.simpleConnect
         *
         * @param {Highcharts.PositionObject} start
         *        Starting coordinate, object with x/y props.
         *
         * @param {Highcharts.PositionObject} end
         *        Ending coordinate, object with x/y props.
         *
         * @param {object} options
         *        Options for the algorithm:
         *        - chartObstacles: Array of chart obstacles to avoid
         *        - startDirectionX: Optional. True if starting in the X direction.
         *          If not provided, the algorithm starts in the direction that is
         *          the furthest between start/end.
         *
         * @return {object}
         *         An object with the SVG path in Array form as accepted by the SVG
         *         renderer, as well as an array of new obstacles making up this
         *         path.
         */
        var simpleConnect = extend(function (start,
            end,
            options) {
                var segments = [],
            endSegment,
            dir = pick(options.startDirectionX,
            abs(end.x - start.x) > abs(end.y - start.y)) ? 'x' : 'y',
            chartObstacles = options.chartObstacles,
            startObstacleIx = findObstacleFromPoint(chartObstacles,
            start),
            endObstacleIx = findObstacleFromPoint(chartObstacles,
            end),
            startObstacle,
            endObstacle,
            prevWaypoint,
            waypoint,
            waypoint2,
            useMax,
            endPoint;
            // eslint-disable-next-line valid-jsdoc
            /**
             * Return a clone of a point with a property set from a target object,
             * optionally with an offset
             * @private
             */
            function copyFromPoint(from, fromKey, to, toKey, offset) {
                var point = {
                        x: from.x,
                        y: from.y
                    };
                point[fromKey] = to[toKey || fromKey] + (offset || 0);
                return point;
            }
            // eslint-disable-next-line valid-jsdoc
            /**
             * Return waypoint outside obstacle.
             * @private
             */
            function getMeOut(obstacle, point, direction) {
                var useMax = abs(point[direction] - obstacle[direction + 'Min']) >
                        abs(point[direction] - obstacle[direction + 'Max']);
                return copyFromPoint(point, direction, obstacle, direction + (useMax ? 'Max' : 'Min'), useMax ? 1 : -1);
            }
            // Pull out end point
            if (endObstacleIx > -1) {
                endObstacle = chartObstacles[endObstacleIx];
                waypoint = getMeOut(endObstacle, end, dir);
                endSegment = {
                    start: waypoint,
                    end: end
                };
                endPoint = waypoint;
            }
            else {
                endPoint = end;
            }
            // If an obstacle envelops the start point, add a segment to get out,
            // and around it.
            if (startObstacleIx > -1) {
                startObstacle = chartObstacles[startObstacleIx];
                waypoint = getMeOut(startObstacle, start, dir);
                segments.push({
                    start: start,
                    end: waypoint
                });
                // If we are going back again, switch direction to get around start
                // obstacle.
                if (
                // Going towards max from start:
                waypoint[dir] >= start[dir] ===
                    // Going towards min to end:
                    waypoint[dir] >= endPoint[dir]) {
                    dir = dir === 'y' ? 'x' : 'y';
                    useMax = start[dir] < end[dir];
                    segments.push({
                        start: waypoint,
                        end: copyFromPoint(waypoint, dir, startObstacle, dir + (useMax ? 'Max' : 'Min'), useMax ? 1 : -1)
                    });
                    // Switch direction again
                    dir = dir === 'y' ? 'x' : 'y';
                }
            }
            // We are around the start obstacle. Go towards the end in one
            // direction.
            prevWaypoint = segments.length ?
                segments[segments.length - 1].end :
                start;
            waypoint = copyFromPoint(prevWaypoint, dir, endPoint);
            segments.push({
                start: prevWaypoint,
                end: waypoint
            });
            // Final run to end point in the other direction
            dir = dir === 'y' ? 'x' : 'y';
            waypoint2 = copyFromPoint(waypoint, dir, endPoint);
            segments.push({
                start: waypoint,
                end: waypoint2
            });
            // Finally add the endSegment
            segments.push(endSegment);
            return {
                path: pathFromSegments(segments),
                obstacles: segments
            };
        }, {
            requiresObstacles: true
        });
        /**
         * Find a path from a starting coordinate to an ending coordinate, taking
         * obstacles into consideration. Might not always find the optimal path,
         * but is fast, and usually good enough.
         *
         * @function Highcharts.Pathfinder.algorithms.fastAvoid
         *
         * @param {Highcharts.PositionObject} start
         *        Starting coordinate, object with x/y props.
         *
         * @param {Highcharts.PositionObject} end
         *        Ending coordinate, object with x/y props.
         *
         * @param {object} options
         *        Options for the algorithm.
         *        - chartObstacles:  Array of chart obstacles to avoid
         *        - lineObstacles:   Array of line obstacles to jump over
         *        - obstacleMetrics: Object with metrics of chartObstacles cached
         *        - hardBounds:      Hard boundaries to not cross
         *        - obstacleOptions: Options for the obstacles, including margin
         *        - startDirectionX: Optional. True if starting in the X direction.
         *                           If not provided, the algorithm starts in the
         *                           direction that is the furthest between
         *                           start/end.
         *
         * @return {object}
         *         An object with the SVG path in Array form as accepted by the SVG
         *         renderer, as well as an array of new obstacles making up this
         *         path.
         */
        var fastAvoid = extend(function (start,
            end,
            options) {
                /*
                    Algorithm rules/description
                    - Find initial direction
                    - Determine soft/hard max for each direction.
                    - Move along initial direction until obstacle.
                    - Change direction.
                    - If hitting obstacle,
            first try to change length of previous line
                        before changing direction again.
    
                    Soft min/max x = start/destination x +/- widest obstacle + margin
                    Soft min/max y = start/destination y +/- tallest obstacle + margin
    
                    @todo:
                        - Make retrospective,
            try changing prev segment to reduce
                            corners
                        - Fix logic for breaking out of end-points - not always picking
                            the best direction currently
                        - When going around the end obstacle we should not always go the
                            shortest route,
            rather pick the one closer to the end point
                */
                var dirIsX = pick(options.startDirectionX,
            abs(end.x - start.x) > abs(end.y - start.y)),
            dir = dirIsX ? 'x' : 'y',
            segments,
            useMax,
            extractedEndPoint,
            endSegments = [],
            forceObstacleBreak = false, // Used in clearPathTo to keep track of
                // when to force break through an obstacle.
                // Boundaries to stay within. If beyond soft boundary, prefer to
                // change direction ASAP. If at hard max, always change immediately.
                metrics = options.obstacleMetrics,
            softMinX = min(start.x,
            end.x) - metrics.maxWidth - 10,
            softMaxX = max(start.x,
            end.x) + metrics.maxWidth + 10,
            softMinY = min(start.y,
            end.y) - metrics.maxHeight - 10,
            softMaxY = max(start.y,
            end.y) + metrics.maxHeight + 10, 
                // Obstacles
                chartObstacles = options.chartObstacles,
            startObstacleIx = findLastObstacleBefore(chartObstacles,
            softMinX),
            endObstacleIx = findLastObstacleBefore(chartObstacles,
            softMaxX);
            // eslint-disable-next-line valid-jsdoc
            /**
             * How far can you go between two points before hitting an obstacle?
             * Does not work for diagonal lines (because it doesn't have to).
             * @private
             */
            function pivotPoint(fromPoint, toPoint, directionIsX) {
                var firstPoint,
                    lastPoint,
                    highestPoint,
                    lowestPoint,
                    i,
                    searchDirection = fromPoint.x < toPoint.x ? 1 : -1;
                if (fromPoint.x < toPoint.x) {
                    firstPoint = fromPoint;
                    lastPoint = toPoint;
                }
                else {
                    firstPoint = toPoint;
                    lastPoint = fromPoint;
                }
                if (fromPoint.y < toPoint.y) {
                    lowestPoint = fromPoint;
                    highestPoint = toPoint;
                }
                else {
                    lowestPoint = toPoint;
                    highestPoint = fromPoint;
                }
                // Go through obstacle range in reverse if toPoint is before
                // fromPoint in the X-dimension.
                i = searchDirection < 0 ?
                    // Searching backwards, start at last obstacle before last point
                    min(findLastObstacleBefore(chartObstacles, lastPoint.x), chartObstacles.length - 1) :
                    // Forwards. Since we're not sorted by xMax, we have to look
                    // at all obstacles.
                    0;
                // Go through obstacles in this X range
                while (chartObstacles[i] && (searchDirection > 0 && chartObstacles[i].xMin <= lastPoint.x ||
                    searchDirection < 0 && chartObstacles[i].xMax >= firstPoint.x)) {
                    // If this obstacle is between from and to points in a straight
                    // line, pivot at the intersection.
                    if (chartObstacles[i].xMin <= lastPoint.x &&
                        chartObstacles[i].xMax >= firstPoint.x &&
                        chartObstacles[i].yMin <= highestPoint.y &&
                        chartObstacles[i].yMax >= lowestPoint.y) {
                        if (directionIsX) {
                            return {
                                y: fromPoint.y,
                                x: fromPoint.x < toPoint.x ?
                                    chartObstacles[i].xMin - 1 :
                                    chartObstacles[i].xMax + 1,
                                obstacle: chartObstacles[i]
                            };
                        }
                        // else ...
                        return {
                            x: fromPoint.x,
                            y: fromPoint.y < toPoint.y ?
                                chartObstacles[i].yMin - 1 :
                                chartObstacles[i].yMax + 1,
                            obstacle: chartObstacles[i]
                        };
                    }
                    i += searchDirection;
                }
                return toPoint;
            }
            /**
             * Decide in which direction to dodge or get out of an obstacle.
             * Considers desired direction, which way is shortest, soft and hard
             * bounds.
             *
             * (? Returns a string, either xMin, xMax, yMin or yMax.)
             *
             * @private
             * @function
             *
             * @param {object} obstacle
             *        Obstacle to dodge/escape.
             *
             * @param {object} fromPoint
             *        Point with x/y props that's dodging/escaping.
             *
             * @param {object} toPoint
             *        Goal point.
             *
             * @param {boolean} dirIsX
             *        Dodge in X dimension.
             *
             * @param {object} bounds
             *        Hard and soft boundaries.
             *
             * @return {boolean}
             *         Use max or not.
             */
            function getDodgeDirection(obstacle, fromPoint, toPoint, dirIsX, bounds) {
                var softBounds = bounds.soft, hardBounds = bounds.hard, dir = dirIsX ? 'x' : 'y', toPointMax = { x: fromPoint.x, y: fromPoint.y }, toPointMin = { x: fromPoint.x, y: fromPoint.y }, minPivot, maxPivot, maxOutOfSoftBounds = obstacle[dir + 'Max'] >=
                        softBounds[dir + 'Max'], minOutOfSoftBounds = obstacle[dir + 'Min'] <=
                        softBounds[dir + 'Min'], maxOutOfHardBounds = obstacle[dir + 'Max'] >=
                        hardBounds[dir + 'Max'], minOutOfHardBounds = obstacle[dir + 'Min'] <=
                        hardBounds[dir + 'Min'], 
                    // Find out if we should prefer one direction over the other if
                    // we can choose freely
                    minDistance = abs(obstacle[dir + 'Min'] - fromPoint[dir]), maxDistance = abs(obstacle[dir + 'Max'] - fromPoint[dir]), 
                    // If it's a small difference, pick the one leading towards dest
                    // point. Otherwise pick the shortest distance
                    useMax = abs(minDistance - maxDistance) < 10 ?
                        fromPoint[dir] < toPoint[dir] :
                        maxDistance < minDistance;
                // Check if we hit any obstacles trying to go around in either
                // direction.
                toPointMin[dir] = obstacle[dir + 'Min'];
                toPointMax[dir] = obstacle[dir + 'Max'];
                minPivot = pivotPoint(fromPoint, toPointMin, dirIsX)[dir] !==
                    toPointMin[dir];
                maxPivot = pivotPoint(fromPoint, toPointMax, dirIsX)[dir] !==
                    toPointMax[dir];
                useMax = minPivot ?
                    (maxPivot ? useMax : true) :
                    (maxPivot ? false : useMax);
                // useMax now contains our preferred choice, bounds not taken into
                // account. If both or neither direction is out of bounds we want to
                // use this.
                // Deal with soft bounds
                useMax = minOutOfSoftBounds ?
                    (maxOutOfSoftBounds ? useMax : true) : // Out on min
                    (maxOutOfSoftBounds ? false : useMax); // Not out on min
                // Deal with hard bounds
                useMax = minOutOfHardBounds ?
                    (maxOutOfHardBounds ? useMax : true) : // Out on min
                    (maxOutOfHardBounds ? false : useMax); // Not out on min
                return useMax;
            }
            // eslint-disable-next-line valid-jsdoc
            /**
             * Find a clear path between point.
             * @private
             */
            function clearPathTo(fromPoint, toPoint, dirIsX) {
                // Don't waste time if we've hit goal
                if (fromPoint.x === toPoint.x && fromPoint.y === toPoint.y) {
                    return [];
                }
                var dir = dirIsX ? 'x' : 'y',
                    pivot,
                    segments,
                    waypoint,
                    waypointUseMax,
                    envelopingObstacle,
                    secondEnvelopingObstacle,
                    envelopWaypoint,
                    obstacleMargin = options.obstacleOptions.margin,
                    bounds = {
                        soft: {
                            xMin: softMinX,
                            xMax: softMaxX,
                            yMin: softMinY,
                            yMax: softMaxY
                        },
                        hard: options.hardBounds
                    };
                // If fromPoint is inside an obstacle we have a problem. Break out
                // by just going to the outside of this obstacle. We prefer to go to
                // the nearest edge in the chosen direction.
                envelopingObstacle =
                    findObstacleFromPoint(chartObstacles, fromPoint);
                if (envelopingObstacle > -1) {
                    envelopingObstacle = chartObstacles[envelopingObstacle];
                    waypointUseMax = getDodgeDirection(envelopingObstacle, fromPoint, toPoint, dirIsX, bounds);
                    // Cut obstacle to hard bounds to make sure we stay within
                    limitObstacleToBounds(envelopingObstacle, options.hardBounds);
                    envelopWaypoint = dirIsX ? {
                        y: fromPoint.y,
                        x: envelopingObstacle[waypointUseMax ? 'xMax' : 'xMin'] +
                            (waypointUseMax ? 1 : -1)
                    } : {
                        x: fromPoint.x,
                        y: envelopingObstacle[waypointUseMax ? 'yMax' : 'yMin'] +
                            (waypointUseMax ? 1 : -1)
                    };
                    // If we crashed into another obstacle doing this, we put the
                    // waypoint between them instead
                    secondEnvelopingObstacle = findObstacleFromPoint(chartObstacles, envelopWaypoint);
                    if (secondEnvelopingObstacle > -1) {
                        secondEnvelopingObstacle = chartObstacles[secondEnvelopingObstacle];
                        // Cut obstacle to hard bounds
                        limitObstacleToBounds(secondEnvelopingObstacle, options.hardBounds);
                        // Modify waypoint to lay between obstacles
                        envelopWaypoint[dir] = waypointUseMax ? max(envelopingObstacle[dir + 'Max'] - obstacleMargin + 1, (secondEnvelopingObstacle[dir + 'Min'] +
                            envelopingObstacle[dir + 'Max']) / 2) :
                            min((envelopingObstacle[dir + 'Min'] + obstacleMargin - 1), ((secondEnvelopingObstacle[dir + 'Max'] +
                                envelopingObstacle[dir + 'Min']) / 2));
                        // We are not going anywhere. If this happens for the first
                        // time, do nothing. Otherwise, try to go to the extreme of
                        // the obstacle pair in the current direction.
                        if (fromPoint.x === envelopWaypoint.x &&
                            fromPoint.y === envelopWaypoint.y) {
                            if (forceObstacleBreak) {
                                envelopWaypoint[dir] = waypointUseMax ?
                                    max(envelopingObstacle[dir + 'Max'], secondEnvelopingObstacle[dir + 'Max']) + 1 :
                                    min(envelopingObstacle[dir + 'Min'], secondEnvelopingObstacle[dir + 'Min']) - 1;
                            }
                            // Toggle on if off, and the opposite
                            forceObstacleBreak = !forceObstacleBreak;
                        }
                        else {
                            // This point is not identical to previous.
                            // Clear break trigger.
                            forceObstacleBreak = false;
                        }
                    }
                    segments = [{
                            start: fromPoint,
                            end: envelopWaypoint
                        }];
                }
                else { // If not enveloping, use standard pivot calculation
                    pivot = pivotPoint(fromPoint, {
                        x: dirIsX ? toPoint.x : fromPoint.x,
                        y: dirIsX ? fromPoint.y : toPoint.y
                    }, dirIsX);
                    segments = [{
                            start: fromPoint,
                            end: {
                                x: pivot.x,
                                y: pivot.y
                            }
                        }];
                    // Pivot before goal, use a waypoint to dodge obstacle
                    if (pivot[dirIsX ? 'x' : 'y'] !== toPoint[dirIsX ? 'x' : 'y']) {
                        // Find direction of waypoint
                        waypointUseMax = getDodgeDirection(pivot.obstacle, pivot, toPoint, !dirIsX, bounds);
                        // Cut waypoint to hard bounds
                        limitObstacleToBounds(pivot.obstacle, options.hardBounds);
                        waypoint = {
                            x: dirIsX ?
                                pivot.x :
                                pivot.obstacle[waypointUseMax ? 'xMax' : 'xMin'] +
                                    (waypointUseMax ? 1 : -1),
                            y: dirIsX ?
                                pivot.obstacle[waypointUseMax ? 'yMax' : 'yMin'] +
                                    (waypointUseMax ? 1 : -1) :
                                pivot.y
                        };
                        // We're changing direction here, store that to make sure we
                        // also change direction when adding the last segment array
                        // after handling waypoint.
                        dirIsX = !dirIsX;
                        segments = segments.concat(clearPathTo({
                            x: pivot.x,
                            y: pivot.y
                        }, waypoint, dirIsX));
                    }
                }
                // Get segments for the other direction too
                // Recursion is our friend
                segments = segments.concat(clearPathTo(segments[segments.length - 1].end, toPoint, !dirIsX));
                return segments;
            }
            // eslint-disable-next-line valid-jsdoc
            /**
             * Extract point to outside of obstacle in whichever direction is
             * closest. Returns new point outside obstacle.
             * @private
             */
            function extractFromObstacle(obstacle, point, goalPoint) {
                var dirIsX = min(obstacle.xMax - point.x,
                    point.x - obstacle.xMin) <
                        min(obstacle.yMax - point.y,
                    point.y - obstacle.yMin),
                    bounds = {
                        soft: options.hardBounds,
                        hard: options.hardBounds
                    },
                    useMax = getDodgeDirection(obstacle,
                    point,
                    goalPoint,
                    dirIsX,
                    bounds);
                return dirIsX ? {
                    y: point.y,
                    x: obstacle[useMax ? 'xMax' : 'xMin'] + (useMax ? 1 : -1)
                } : {
                    x: point.x,
                    y: obstacle[useMax ? 'yMax' : 'yMin'] + (useMax ? 1 : -1)
                };
            }
            // Cut the obstacle array to soft bounds for optimization in large
            // datasets.
            chartObstacles =
                chartObstacles.slice(startObstacleIx, endObstacleIx + 1);
            // If an obstacle envelops the end point, move it out of there and add
            // a little segment to where it was.
            if ((endObstacleIx = findObstacleFromPoint(chartObstacles, end)) > -1) {
                extractedEndPoint = extractFromObstacle(chartObstacles[endObstacleIx], end, start);
                endSegments.push({
                    end: end,
                    start: extractedEndPoint
                });
                end = extractedEndPoint;
            }
            // If it's still inside one or more obstacles, get out of there by
            // force-moving towards the start point.
            while ((endObstacleIx = findObstacleFromPoint(chartObstacles, end)) > -1) {
                useMax = end[dir] - start[dir] < 0;
                extractedEndPoint = {
                    x: end.x,
                    y: end.y
                };
                extractedEndPoint[dir] = chartObstacles[endObstacleIx][useMax ? dir + 'Max' : dir + 'Min'] + (useMax ? 1 : -1);
                endSegments.push({
                    end: end,
                    start: extractedEndPoint
                });
                end = extractedEndPoint;
            }
            // Find the path
            segments = clearPathTo(start, end, dirIsX);
            // Add the end-point segments
            segments = segments.concat(endSegments.reverse());
            return {
                path: pathFromSegments(segments),
                obstacles: segments
            };
        }, {
            requiresObstacles: true
        });
        // Define the available pathfinding algorithms.
        // Algorithms take up to 3 arguments: starting point, ending point, and an
        // options object.
        var algorithms = {
                fastAvoid: fastAvoid,
                straight: straight,
                simpleConnect: simpleConnect
            };

        return algorithms;
    });
    _registerModule(_modules, 'Gantt/Pathfinder.js', [_modules['Gantt/Connection.js'], _modules['Core/Chart/Chart.js'], _modules['Core/Globals.js'], _modules['Core/Options.js'], _modules['Core/Series/Point.js'], _modules['Core/Utilities.js'], _modules['Gantt/PathfinderAlgorithms.js']], function (Connection, Chart, H, O, Point, U, pathfinderAlgorithms) {
        /* *
         *
         *  (c) 2016 Highsoft AS
         *  Authors: Øystein Moseng, Lars A. V. Cabrera
         *
         *  License: www.highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        /**
         * The default pathfinder algorithm to use for a chart. It is possible to define
         * your own algorithms by adding them to the
         * `Highcharts.Pathfinder.prototype.algorithms`
         * object before the chart has been created.
         *
         * The default algorithms are as follows:
         *
         * `straight`:      Draws a straight line between the connecting
         *                  points. Does not avoid other points when drawing.
         *
         * `simpleConnect`: Finds a path between the points using right angles
         *                  only. Takes only starting/ending points into
         *                  account, and will not avoid other points.
         *
         * `fastAvoid`:     Finds a path between the points using right angles
         *                  only. Will attempt to avoid other points, but its
         *                  focus is performance over accuracy. Works well with
         *                  less dense datasets.
         *
         * @typedef {"fastAvoid"|"simpleConnect"|"straight"|string} Highcharts.PathfinderTypeValue
         */
        ''; // detach doclets above
        var defaultOptions = O.defaultOptions;
        var addEvent = U.addEvent,
            defined = U.defined,
            error = U.error,
            extend = U.extend,
            merge = U.merge,
            objectEach = U.objectEach,
            pick = U.pick,
            splat = U.splat;
        var deg2rad = H.deg2rad,
            max = Math.max,
            min = Math.min;
        /*
         @todo:
             - Document how to write your own algorithms
             - Consider adding a Point.pathTo method that wraps creating a connection
               and rendering it
        */
        // Set default Pathfinder options
        extend(defaultOptions, {
            /**
             * The Pathfinder module allows you to define connections between any two
             * points, represented as lines - optionally with markers for the start
             * and/or end points. Multiple algorithms are available for calculating how
             * the connecting lines are drawn.
             *
             * Connector functionality requires Highcharts Gantt to be loaded. In Gantt
             * charts, the connectors are used to draw dependencies between tasks.
             *
             * @see [dependency](series.gantt.data.dependency)
             *
             * @sample gantt/pathfinder/demo
             *         Pathfinder connections
             *
             * @declare      Highcharts.ConnectorsOptions
             * @product      gantt
             * @optionparent connectors
             */
            connectors: {
                /**
                 * Enable connectors for this chart. Requires Highcharts Gantt.
                 *
                 * @type      {boolean}
                 * @default   true
                 * @since     6.2.0
                 * @apioption connectors.enabled
                 */
                /**
                 * Set the default dash style for this chart's connecting lines.
                 *
                 * @type      {string}
                 * @default   solid
                 * @since     6.2.0
                 * @apioption connectors.dashStyle
                 */
                /**
                 * Set the default color for this chart's Pathfinder connecting lines.
                 * Defaults to the color of the point being connected.
                 *
                 * @type      {Highcharts.ColorString}
                 * @since     6.2.0
                 * @apioption connectors.lineColor
                 */
                /**
                 * Set the default pathfinder margin to use, in pixels. Some Pathfinder
                 * algorithms attempt to avoid obstacles, such as other points in the
                 * chart. These algorithms use this margin to determine how close lines
                 * can be to an obstacle. The default is to compute this automatically
                 * from the size of the obstacles in the chart.
                 *
                 * To draw connecting lines close to existing points, set this to a low
                 * number. For more space around existing points, set this number
                 * higher.
                 *
                 * @sample gantt/pathfinder/algorithm-margin
                 *         Small algorithmMargin
                 *
                 * @type      {number}
                 * @since     6.2.0
                 * @apioption connectors.algorithmMargin
                 */
                /**
                 * Set the default pathfinder algorithm to use for this chart. It is
                 * possible to define your own algorithms by adding them to the
                 * Highcharts.Pathfinder.prototype.algorithms object before the chart
                 * has been created.
                 *
                 * The default algorithms are as follows:
                 *
                 * `straight`:      Draws a straight line between the connecting
                 *                  points. Does not avoid other points when drawing.
                 *
                 * `simpleConnect`: Finds a path between the points using right angles
                 *                  only. Takes only starting/ending points into
                 *                  account, and will not avoid other points.
                 *
                 * `fastAvoid`:     Finds a path between the points using right angles
                 *                  only. Will attempt to avoid other points, but its
                 *                  focus is performance over accuracy. Works well with
                 *                  less dense datasets.
                 *
                 * Default value: `straight` is used as default for most series types,
                 * while `simpleConnect` is used as default for Gantt series, to show
                 * dependencies between points.
                 *
                 * @sample gantt/pathfinder/demo
                 *         Different types used
                 *
                 * @type    {Highcharts.PathfinderTypeValue}
                 * @default undefined
                 * @since   6.2.0
                 */
                type: 'straight',
                /**
                 * Set the default pixel width for this chart's Pathfinder connecting
                 * lines.
                 *
                 * @since 6.2.0
                 */
                lineWidth: 1,
                /**
                 * Marker options for this chart's Pathfinder connectors. Note that
                 * this option is overridden by the `startMarker` and `endMarker`
                 * options.
                 *
                 * @declare Highcharts.ConnectorsMarkerOptions
                 * @since   6.2.0
                 */
                marker: {
                    /**
                     * Set the radius of the connector markers. The default is
                     * automatically computed based on the algorithmMargin setting.
                     *
                     * Setting marker.width and marker.height will override this
                     * setting.
                     *
                     * @type      {number}
                     * @since     6.2.0
                     * @apioption connectors.marker.radius
                     */
                    /**
                     * Set the width of the connector markers. If not supplied, this
                     * is inferred from the marker radius.
                     *
                     * @type      {number}
                     * @since     6.2.0
                     * @apioption connectors.marker.width
                     */
                    /**
                     * Set the height of the connector markers. If not supplied, this
                     * is inferred from the marker radius.
                     *
                     * @type      {number}
                     * @since     6.2.0
                     * @apioption connectors.marker.height
                     */
                    /**
                     * Set the color of the connector markers. By default this is the
                     * same as the connector color.
                     *
                     * @type      {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
                     * @since     6.2.0
                     * @apioption connectors.marker.color
                     */
                    /**
                     * Set the line/border color of the connector markers. By default
                     * this is the same as the marker color.
                     *
                     * @type      {Highcharts.ColorString}
                     * @since     6.2.0
                     * @apioption connectors.marker.lineColor
                     */
                    /**
                     * Enable markers for the connectors.
                     */
                    enabled: false,
                    /**
                     * Horizontal alignment of the markers relative to the points.
                     *
                     * @type {Highcharts.AlignValue}
                     */
                    align: 'center',
                    /**
                     * Vertical alignment of the markers relative to the points.
                     *
                     * @type {Highcharts.VerticalAlignValue}
                     */
                    verticalAlign: 'middle',
                    /**
                     * Whether or not to draw the markers inside the points.
                     */
                    inside: false,
                    /**
                     * Set the line/border width of the pathfinder markers.
                     */
                    lineWidth: 1
                },
                /**
                 * Marker options specific to the start markers for this chart's
                 * Pathfinder connectors. Overrides the generic marker options.
                 *
                 * @declare Highcharts.ConnectorsStartMarkerOptions
                 * @extends connectors.marker
                 * @since   6.2.0
                 */
                startMarker: {
                    /**
                     * Set the symbol of the connector start markers.
                     */
                    symbol: 'diamond'
                },
                /**
                 * Marker options specific to the end markers for this chart's
                 * Pathfinder connectors. Overrides the generic marker options.
                 *
                 * @declare Highcharts.ConnectorsEndMarkerOptions
                 * @extends connectors.marker
                 * @since   6.2.0
                 */
                endMarker: {
                    /**
                     * Set the symbol of the connector end markers.
                     */
                    symbol: 'arrow-filled'
                }
            }
        });
        /**
         * Override Pathfinder connector options for a series. Requires Highcharts Gantt
         * to be loaded.
         *
         * @declare   Highcharts.SeriesConnectorsOptionsObject
         * @extends   connectors
         * @since     6.2.0
         * @excluding enabled, algorithmMargin
         * @product   gantt
         * @apioption plotOptions.series.connectors
         */
        /**
         * Connect to a point. This option can be either a string, referring to the ID
         * of another point, or an object, or an array of either. If the option is an
         * array, each element defines a connection.
         *
         * @sample gantt/pathfinder/demo
         *         Different connection types
         *
         * @declare   Highcharts.XrangePointConnectorsOptionsObject
         * @type      {string|Array<string|*>|*}
         * @extends   plotOptions.series.connectors
         * @since     6.2.0
         * @excluding enabled
         * @product   gantt
         * @requires  highcharts-gantt
         * @apioption series.xrange.data.connect
         */
        /**
         * The ID of the point to connect to.
         *
         * @type      {string}
         * @since     6.2.0
         * @product   gantt
         * @apioption series.xrange.data.connect.to
         */
        /**
         * Get point bounding box using plotX/plotY and shapeArgs. If using
         * graphic.getBBox() directly, the bbox will be affected by animation.
         *
         * @private
         * @function
         *
         * @param {Highcharts.Point} point
         *        The point to get BB of.
         *
         * @return {Highcharts.Dictionary<number>|null}
         *         Result xMax, xMin, yMax, yMin.
         */
        function getPointBB(point) {
            var shapeArgs = point.shapeArgs,
                bb;
            // Prefer using shapeArgs (columns)
            if (shapeArgs) {
                return {
                    xMin: shapeArgs.x,
                    xMax: shapeArgs.x + shapeArgs.width,
                    yMin: shapeArgs.y,
                    yMax: shapeArgs.y + shapeArgs.height
                };
            }
            // Otherwise use plotX/plotY and bb
            bb = point.graphic && point.graphic.getBBox();
            return bb ? {
                xMin: point.plotX - bb.width / 2,
                xMax: point.plotX + bb.width / 2,
                yMin: point.plotY - bb.height / 2,
                yMax: point.plotY + bb.height / 2
            } : null;
        }
        /**
         * Calculate margin to place around obstacles for the pathfinder in pixels.
         * Returns a minimum of 1 pixel margin.
         *
         * @private
         * @function
         *
         * @param {Array<object>} obstacles
         *        Obstacles to calculate margin from.
         *
         * @return {number}
         *         The calculated margin in pixels. At least 1.
         */
        function calculateObstacleMargin(obstacles) {
            var len = obstacles.length,
                i = 0,
                j,
                obstacleDistance,
                distances = [], 
                // Compute smallest distance between two rectangles
                distance = function (a,
                b,
                bbMargin) {
                    // Count the distance even if we are slightly off
                    var margin = pick(bbMargin, 10),
                yOverlap = a.yMax + margin > b.yMin - margin &&
                        a.yMin - margin < b.yMax + margin,
                xOverlap = a.xMax + margin > b.xMin - margin &&
                        a.xMin - margin < b.xMax + margin,
                xDistance = yOverlap ? (a.xMin > b.xMax ? a.xMin - b.xMax : b.xMin - a.xMax) : Infinity,
                yDistance = xOverlap ? (a.yMin > b.yMax ? a.yMin - b.yMax : b.yMin - a.yMax) : Infinity;
                // If the rectangles collide, try recomputing with smaller margin.
                // If they collide anyway, discard the obstacle.
                if (xOverlap && yOverlap) {
                    return (margin ?
                        distance(a, b, Math.floor(margin / 2)) :
                        Infinity);
                }
                return min(xDistance, yDistance);
            };
            // Go over all obstacles and compare them to the others.
            for (; i < len; ++i) {
                // Compare to all obstacles ahead. We will already have compared this
                // obstacle to the ones before.
                for (j = i + 1; j < len; ++j) {
                    obstacleDistance = distance(obstacles[i], obstacles[j]);
                    // TODO: Magic number 80
                    if (obstacleDistance < 80) { // Ignore large distances
                        distances.push(obstacleDistance);
                    }
                }
            }
            // Ensure we always have at least one value, even in very spaceous charts
            distances.push(80);
            return max(Math.floor(distances.sort(function (a, b) {
                return (a - b);
            })[
            // Discard first 10% of the relevant distances, and then grab
            // the smallest one.
            Math.floor(distances.length / 10)] / 2 - 1 // Divide the distance by 2 and subtract 1.
            ), 1 // 1 is the minimum margin
            );
        }
        /* eslint-disable no-invalid-this, valid-jsdoc */
        /**
         * The Pathfinder class.
         *
         * @private
         * @class
         * @name Highcharts.Pathfinder
         *
         * @param {Highcharts.Chart} chart
         *        The chart to operate on.
         */
        var Pathfinder = /** @class */ (function () {
                function Pathfinder(chart) {
                    /* *
                     *
                     * Properties
                     *
                     * */
                    this.chart = void 0;
                this.chartObstacles = void 0;
                this.chartObstacleMetrics = void 0;
                this.connections = void 0;
                this.group = void 0;
                this.lineObstacles = void 0;
                this.init(chart);
            }
            /**
             * @name Highcharts.Pathfinder#algorithms
             * @type {Highcharts.Dictionary<Function>}
             */
            /**
             * Initialize the Pathfinder object.
             *
             * @function Highcharts.Pathfinder#init
             *
             * @param {Highcharts.Chart} chart
             *        The chart context.
             */
            Pathfinder.prototype.init = function (chart) {
                // Initialize pathfinder with chart context
                this.chart = chart;
                // Init connection reference list
                this.connections = [];
                // Recalculate paths/obstacles on chart redraw
                addEvent(chart, 'redraw', function () {
                    this.pathfinder.update();
                });
            };
            /**
             * Update Pathfinder connections from scratch.
             *
             * @function Highcharts.Pathfinder#update
             *
             * @param {boolean} [deferRender]
             *        Whether or not to defer rendering of connections until
             *        series.afterAnimate event has fired. Used on first render.
             */
            Pathfinder.prototype.update = function (deferRender) {
                var chart = this.chart,
                    pathfinder = this,
                    oldConnections = pathfinder.connections;
                // Rebuild pathfinder connections from options
                pathfinder.connections = [];
                chart.series.forEach(function (series) {
                    if (series.visible && !series.options.isInternal) {
                        series.points.forEach(function (point) {
                            var ganttPointOptions = point.options;
                            // For Gantt series the connect could be
                            // defined as a dependency
                            if (ganttPointOptions && ganttPointOptions.dependency) {
                                ganttPointOptions.connect = ganttPointOptions.dependency;
                            }
                            var to,
                                connects = (point.options &&
                                    point.options.connect &&
                                    splat(point.options.connect));
                            if (point.visible && point.isInside !== false && connects) {
                                connects.forEach(function (connect) {
                                    to = chart.get(typeof connect === 'string' ?
                                        connect : connect.to);
                                    if (to instanceof Point &&
                                        to.series.visible &&
                                        to.visible &&
                                        to.isInside !== false) {
                                        // Add new connection
                                        pathfinder.connections.push(new Connection(point, // from
                                        to, typeof connect === 'string' ?
                                            {} :
                                            connect));
                                    }
                                });
                            }
                        });
                    }
                });
                // Clear connections that should not be updated, and move old info over
                // to new connections.
                for (var j = 0, k, found, lenOld = oldConnections.length, lenNew = pathfinder.connections.length; j < lenOld; ++j) {
                    found = false;
                    for (k = 0; k < lenNew; ++k) {
                        if (oldConnections[j].fromPoint ===
                            pathfinder.connections[k].fromPoint &&
                            oldConnections[j].toPoint ===
                                pathfinder.connections[k].toPoint) {
                            pathfinder.connections[k].graphics =
                                oldConnections[j].graphics;
                            found = true;
                            break;
                        }
                    }
                    if (!found) {
                        oldConnections[j].destroy();
                    }
                }
                // Clear obstacles to force recalculation. This must be done on every
                // redraw in case positions have changed. Recalculation is handled in
                // Connection.getPath on demand.
                delete this.chartObstacles;
                delete this.lineObstacles;
                // Draw the pending connections
                pathfinder.renderConnections(deferRender);
            };
            /**
             * Draw the chart's connecting paths.
             *
             * @function Highcharts.Pathfinder#renderConnections
             *
             * @param {boolean} [deferRender]
             *        Whether or not to defer render until series animation is finished.
             *        Used on first render.
             */
            Pathfinder.prototype.renderConnections = function (deferRender) {
                if (deferRender) {
                    // Render after series are done animating
                    this.chart.series.forEach(function (series) {
                        var render = function () {
                                // Find pathfinder connections belonging to this series
                                // that haven't rendered, and render them now.
                                var pathfinder = series.chart.pathfinder,
                            conns = pathfinder && pathfinder.connections || [];
                            conns.forEach(function (connection) {
                                if (connection.fromPoint &&
                                    connection.fromPoint.series === series) {
                                    connection.render();
                                }
                            });
                            if (series.pathfinderRemoveRenderEvent) {
                                series.pathfinderRemoveRenderEvent();
                                delete series.pathfinderRemoveRenderEvent;
                            }
                        };
                        if (series.options.animation === false) {
                            render();
                        }
                        else {
                            series.pathfinderRemoveRenderEvent = addEvent(series, 'afterAnimate', render);
                        }
                    });
                }
                else {
                    // Go through connections and render them
                    this.connections.forEach(function (connection) {
                        connection.render();
                    });
                }
            };
            /**
             * Get obstacles for the points in the chart. Does not include connecting
             * lines from Pathfinder. Applies algorithmMargin to the obstacles.
             *
             * @function Highcharts.Pathfinder#getChartObstacles
             *
             * @param {object} options
             *        Options for the calculation. Currenlty only
             *        options.algorithmMargin.
             *
             * @return {Array<object>}
             *         An array of calculated obstacles. Each obstacle is defined as an
             *         object with xMin, xMax, yMin and yMax properties.
             */
            Pathfinder.prototype.getChartObstacles = function (options) {
                var obstacles = [],
                    series = this.chart.series,
                    margin = pick(options.algorithmMargin, 0),
                    calculatedMargin;
                for (var i = 0, sLen = series.length; i < sLen; ++i) {
                    if (series[i].visible && !series[i].options.isInternal) {
                        for (var j = 0, pLen = series[i].points.length, bb, point; j < pLen; ++j) {
                            point = series[i].points[j];
                            if (point.visible) {
                                bb = getPointBB(point);
                                if (bb) {
                                    obstacles.push({
                                        xMin: bb.xMin - margin,
                                        xMax: bb.xMax + margin,
                                        yMin: bb.yMin - margin,
                                        yMax: bb.yMax + margin
                                    });
                                }
                            }
                        }
                    }
                }
                // Sort obstacles by xMin for optimization
                obstacles = obstacles.sort(function (a, b) {
                    return a.xMin - b.xMin;
                });
                // Add auto-calculated margin if the option is not defined
                if (!defined(options.algorithmMargin)) {
                    calculatedMargin =
                        options.algorithmMargin =
                            calculateObstacleMargin(obstacles);
                    obstacles.forEach(function (obstacle) {
                        obstacle.xMin -= calculatedMargin;
                        obstacle.xMax += calculatedMargin;
                        obstacle.yMin -= calculatedMargin;
                        obstacle.yMax += calculatedMargin;
                    });
                }
                return obstacles;
            };
            /**
             * Utility function to get metrics for obstacles:
             * - Widest obstacle width
             * - Tallest obstacle height
             *
             * @function Highcharts.Pathfinder#getObstacleMetrics
             *
             * @param {Array<object>} obstacles
             *        An array of obstacles to inspect.
             *
             * @return {object}
             *         The calculated metrics, as an object with maxHeight and maxWidth
             *         properties.
             */
            Pathfinder.prototype.getObstacleMetrics = function (obstacles) {
                var maxWidth = 0,
                    maxHeight = 0,
                    width,
                    height,
                    i = obstacles.length;
                while (i--) {
                    width = obstacles[i].xMax - obstacles[i].xMin;
                    height = obstacles[i].yMax - obstacles[i].yMin;
                    if (maxWidth < width) {
                        maxWidth = width;
                    }
                    if (maxHeight < height) {
                        maxHeight = height;
                    }
                }
                return {
                    maxHeight: maxHeight,
                    maxWidth: maxWidth
                };
            };
            /**
             * Utility to get which direction to start the pathfinding algorithm
             * (X vs Y), calculated from a set of marker options.
             *
             * @function Highcharts.Pathfinder#getAlgorithmStartDirection
             *
             * @param {Highcharts.ConnectorsMarkerOptions} markerOptions
             *        Marker options to calculate from.
             *
             * @return {boolean}
             *         Returns true for X, false for Y, and undefined for autocalculate.
             */
            Pathfinder.prototype.getAlgorithmStartDirection = function (markerOptions) {
                var xCenter = markerOptions.align !== 'left' &&
                        markerOptions.align !== 'right', yCenter = markerOptions.verticalAlign !== 'top' &&
                        markerOptions.verticalAlign !== 'bottom', undef;
                return xCenter ?
                    (yCenter ? undef : false) : // x is centered
                    (yCenter ? true : undef); // x is off-center
            };
            return Pathfinder;
        }());
        Pathfinder.prototype.algorithms = pathfinderAlgorithms;
        // Add to Highcharts namespace
        H.Pathfinder = Pathfinder;
        // Add pathfinding capabilities to Points
        extend(Point.prototype, /** @lends Point.prototype */ {
            /**
             * Get coordinates of anchor point for pathfinder connection.
             *
             * @private
             * @function Highcharts.Point#getPathfinderAnchorPoint
             *
             * @param {Highcharts.ConnectorsMarkerOptions} markerOptions
             *        Connection options for position on point.
             *
             * @return {Highcharts.PositionObject}
             *         An object with x/y properties for the position. Coordinates are
             *         in plot values, not relative to point.
             */
            getPathfinderAnchorPoint: function (markerOptions) {
                var bb = getPointBB(this),
                    x,
                    y;
                switch (markerOptions.align) { // eslint-disable-line default-case
                    case 'right':
                        x = 'xMax';
                        break;
                    case 'left':
                        x = 'xMin';
                }
                switch (markerOptions.verticalAlign) { // eslint-disable-line default-case
                    case 'top':
                        y = 'yMin';
                        break;
                    case 'bottom':
                        y = 'yMax';
                }
                return {
                    x: x ? bb[x] : (bb.xMin + bb.xMax) / 2,
                    y: y ? bb[y] : (bb.yMin + bb.yMax) / 2
                };
            },
            /**
             * Utility to get the angle from one point to another.
             *
             * @private
             * @function Highcharts.Point#getRadiansToVector
             *
             * @param {Highcharts.PositionObject} v1
             *        The first vector, as an object with x/y properties.
             *
             * @param {Highcharts.PositionObject} v2
             *        The second vector, as an object with x/y properties.
             *
             * @return {number}
             *         The angle in degrees
             */
            getRadiansToVector: function (v1, v2) {
                var box;
                if (!defined(v2)) {
                    box = getPointBB(this);
                    if (box) {
                        v2 = {
                            x: (box.xMin + box.xMax) / 2,
                            y: (box.yMin + box.yMax) / 2
                        };
                    }
                }
                return Math.atan2(v2.y - v1.y, v1.x - v2.x);
            },
            /**
             * Utility to get the position of the marker, based on the path angle and
             * the marker's radius.
             *
             * @private
             * @function Highcharts.Point#getMarkerVector
             *
             * @param {number} radians
             *        The angle in radians from the point center to another vector.
             *
             * @param {number} markerRadius
             *        The radius of the marker, to calculate the additional distance to
             *        the center of the marker.
             *
             * @param {object} anchor
             *        The anchor point of the path and marker as an object with x/y
             *        properties.
             *
             * @return {object}
             *         The marker vector as an object with x/y properties.
             */
            getMarkerVector: function (radians, markerRadius, anchor) {
                var twoPI = Math.PI * 2.0,
                    theta = radians,
                    bb = getPointBB(this),
                    rectWidth = bb.xMax - bb.xMin,
                    rectHeight = bb.yMax - bb.yMin,
                    rAtan = Math.atan2(rectHeight,
                    rectWidth),
                    tanTheta = 1,
                    leftOrRightRegion = false,
                    rectHalfWidth = rectWidth / 2.0,
                    rectHalfHeight = rectHeight / 2.0,
                    rectHorizontalCenter = bb.xMin + rectHalfWidth,
                    rectVerticalCenter = bb.yMin + rectHalfHeight,
                    edgePoint = {
                        x: rectHorizontalCenter,
                        y: rectVerticalCenter
                    },
                    markerPoint = {},
                    xFactor = 1,
                    yFactor = 1;
                while (theta < -Math.PI) {
                    theta += twoPI;
                }
                while (theta > Math.PI) {
                    theta -= twoPI;
                }
                tanTheta = Math.tan(theta);
                if ((theta > -rAtan) && (theta <= rAtan)) {
                    // Right side
                    yFactor = -1;
                    leftOrRightRegion = true;
                }
                else if (theta > rAtan && theta <= (Math.PI - rAtan)) {
                    // Top side
                    yFactor = -1;
                }
                else if (theta > (Math.PI - rAtan) || theta <= -(Math.PI - rAtan)) {
                    // Left side
                    xFactor = -1;
                    leftOrRightRegion = true;
                }
                else {
                    // Bottom side
                    xFactor = -1;
                }
                // Correct the edgePoint according to the placement of the marker
                if (leftOrRightRegion) {
                    edgePoint.x += xFactor * (rectHalfWidth);
                    edgePoint.y += yFactor * (rectHalfWidth) * tanTheta;
                }
                else {
                    edgePoint.x += xFactor * (rectHeight / (2.0 * tanTheta));
                    edgePoint.y += yFactor * (rectHalfHeight);
                }
                if (anchor.x !== rectHorizontalCenter) {
                    edgePoint.x = anchor.x;
                }
                if (anchor.y !== rectVerticalCenter) {
                    edgePoint.y = anchor.y;
                }
                markerPoint.x = edgePoint.x + (markerRadius * Math.cos(theta));
                markerPoint.y = edgePoint.y - (markerRadius * Math.sin(theta));
                return markerPoint;
            }
        });
        /**
         * Warn if using legacy options. Copy the options over. Note that this will
         * still break if using the legacy options in chart.update, addSeries etc.
         * @private
         */
        function warnLegacy(chart) {
            if (chart.options.pathfinder ||
                chart.series.reduce(function (acc, series) {
                    if (series.options) {
                        merge(true, (series.options.connectors = series.options.connectors ||
                            {}), series.options.pathfinder);
                    }
                    return acc || series.options && series.options.pathfinder;
                }, false)) {
                merge(true, (chart.options.connectors = chart.options.connectors || {}), chart.options.pathfinder);
                error('WARNING: Pathfinder options have been renamed. ' +
                    'Use "chart.connectors" or "series.connectors" instead.');
            }
        }
        // Initialize Pathfinder for charts
        Chart.prototype.callbacks.push(function (chart) {
            var options = chart.options;
            if (options.connectors.enabled !== false) {
                warnLegacy(chart);
                this.pathfinder = new Pathfinder(this);
                this.pathfinder.update(true); // First draw, defer render
            }
        });

        return Pathfinder;
    });
    _registerModule(_modules, 'masters/modules/pathfinder.src.js', [], function () {


    });
}));

Youez - 2016 - github.com/yon3zu
LinuXploit