highcharts
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JavaScript charting framework
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JavaScript
/**
* @license Highcharts JS v10.0.0 (2022-03-07)
*
* (c) 2009-2021 Torstein Honsi
*
* License: www.highcharts.com/license
*/
(function (factory) {
if (typeof module === 'object' && module.exports) {
factory['default'] = factory;
module.exports = factory;
} else if (typeof define === 'function' && define.amd) {
define('highcharts/highcharts-more', ['highcharts'], function (Highcharts) {
factory(Highcharts);
factory.Highcharts = Highcharts;
return factory;
});
} else {
factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
}
}(function (Highcharts) {
'use strict';
var _modules = Highcharts ? Highcharts._modules : {};
function _registerModule(obj, path, args, fn) {
if (!obj.hasOwnProperty(path)) {
obj[path] = fn.apply(null, args);
if (typeof CustomEvent === 'function') {
window.dispatchEvent(
new CustomEvent(
'HighchartsModuleLoaded',
{ detail: { path: path, module: obj[path] }
})
);
}
}
}
_registerModule(_modules, 'Extensions/Pane.js', [_modules['Core/Chart/Chart.js'], _modules['Series/CenteredUtilities.js'], _modules['Core/Globals.js'], _modules['Core/Pointer.js'], _modules['Core/Utilities.js']], function (Chart, CU, H, Pointer, U) {
/* *
*
* (c) 2010-2021 Torstein Honsi
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
var addEvent = U.addEvent,
extend = U.extend,
merge = U.merge,
pick = U.pick,
splat = U.splat;
/**
* @typedef {"arc"|"circle"|"solid"} Highcharts.PaneBackgroundShapeValue
*/
/* eslint-disable no-invalid-this, valid-jsdoc */
Chart.prototype.collectionsWithUpdate.push('pane');
/**
* The Pane object allows options that are common to a set of X and Y axes.
*
* In the future, this can be extended to basic Highcharts and Highcharts Stock.
*
* @private
* @class
* @name Highcharts.Pane
* @param {Highcharts.PaneOptions} options
* @param {Highcharts.Chart} chart
*/
var Pane = /** @class */ (function () {
function Pane(options, chart) {
this.background = void 0;
this.center = void 0;
this.chart = void 0;
this.options = void 0;
this.coll = 'pane'; // Member of chart.pane
/**
* The pane serves as a container for axes and backgrounds for circular
* gauges and polar charts.
*
* @since 2.3.0
* @product highcharts
* @requires highcharts-more
* @optionparent pane
*/
this.defaultOptions = {
/**
* The end angle of the polar X axis or gauge value axis, given in
* degrees where 0 is north. Defaults to [startAngle](#pane.startAngle)
* + 360.
*
* @sample {highcharts} highcharts/demo/gauge-vu-meter/
* VU-meter with custom start and end angle
*
* @type {number}
* @since 2.3.0
* @product highcharts
* @apioption pane.endAngle
*/
/**
* The center of a polar chart or angular gauge, given as an array
* of [x, y] positions. Positions can be given as integers that
* transform to pixels, or as percentages of the plot area size.
*
* @sample {highcharts} highcharts/demo/gauge-vu-meter/
* Two gauges with different center
*
* @type {Array<string|number>}
* @default ["50%", "50%"]
* @since 2.3.0
* @product highcharts
*/
center: ['50%', '50%'],
/**
* The size of the pane, either as a number defining pixels, or a
* percentage defining a percentage of the available plot area (the
* smallest of the plot height or plot width).
*
* @sample {highcharts} highcharts/demo/gauge-vu-meter/
* Smaller size
*
* @type {number|string}
* @product highcharts
*/
size: '85%',
/**
* The inner size of the pane, either as a number defining pixels, or a
* percentage defining a percentage of the pane's size.
*
* @sample {highcharts} highcharts/series-polar/column-inverted-inner
* The inner size set to 20%
*
* @type {number|string}
* @product highcharts
*/
innerSize: '0%',
/**
* The start angle of the polar X axis or gauge axis, given in degrees
* where 0 is north. Defaults to 0.
*
* @sample {highcharts} highcharts/demo/gauge-vu-meter/
* VU-meter with custom start and end angle
*
* @since 2.3.0
* @product highcharts
*/
startAngle: 0
};
/**
* An array of background items for the pane.
*
* @sample {highcharts} highcharts/demo/gauge-speedometer/
* Speedometer gauge with multiple backgrounds
*
* @type {Array<*>}
* @optionparent pane.background
*/
this.defaultBackgroundOptions = {
/**
* The class name for this background.
*
* @sample {highcharts} highcharts/css/pane/
* Panes styled by CSS
* @sample {highstock} highcharts/css/pane/
* Panes styled by CSS
* @sample {highmaps} highcharts/css/pane/
* Panes styled by CSS
*
* @type {string}
* @default highcharts-pane
* @since 5.0.0
* @apioption pane.background.className
*/
/**
* The shape of the pane background. When `solid`, the background
* is circular. When `arc`, the background extends only from the min
* to the max of the value axis.
*
* @type {Highcharts.PaneBackgroundShapeValue}
* @since 2.3.0
* @product highcharts
*/
shape: 'circle',
/**
* The pixel border width of the pane background.
*
* @since 2.3.0
* @product highcharts
*/
borderWidth: 1,
/**
* The pane background border color.
*
* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
* @since 2.3.0
* @product highcharts
*/
borderColor: "#cccccc" /* neutralColor20 */,
/**
* The background color or gradient for the pane.
*
* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
* @default { linearGradient: { x1: 0, y1: 0, x2: 0, y2: 1 }, stops: [[0, #ffffff], [1, #e6e6e6]] }
* @since 2.3.0
* @product highcharts
*/
backgroundColor: {
/** @ignore-option */
linearGradient: { x1: 0, y1: 0, x2: 0, y2: 1 },
/** @ignore-option */
stops: [
[0, "#ffffff" /* backgroundColor */],
[1, "#e6e6e6" /* neutralColor10 */]
]
},
/** @ignore-option */
from: -Number.MAX_VALUE,
/**
* The inner radius of the pane background. Can be either numeric
* (pixels) or a percentage string.
*
* @type {number|string}
* @since 2.3.0
* @product highcharts
*/
innerRadius: 0,
/** @ignore-option */
to: Number.MAX_VALUE,
/**
* The outer radius of the circular pane background. Can be either
* numeric (pixels) or a percentage string.
*
* @type {number|string}
* @since 2.3.0
* @product highcharts
*/
outerRadius: '105%'
};
this.init(options, chart);
}
/**
* Initialize the Pane object
*
* @private
* @function Highcharts.Pane#init
*
* @param {Highcharts.PaneOptions} options
*
* @param {Highcharts.Chart} chart
*/
Pane.prototype.init = function (options, chart) {
this.chart = chart;
this.background = [];
chart.pane.push(this);
this.setOptions(options);
};
/**
* @private
* @function Highcharts.Pane#setOptions
*
* @param {Highcharts.PaneOptions} options
*/
Pane.prototype.setOptions = function (options) {
// Set options. Angular charts have a default background (#3318)
this.options = options = merge(this.defaultOptions, this.chart.angular ? { background: {} } : void 0, options);
};
/**
* Render the pane with its backgrounds.
*
* @private
* @function Highcharts.Pane#render
*/
Pane.prototype.render = function () {
var options = this.options,
backgroundOption = this.options.background,
renderer = this.chart.renderer,
len,
i;
if (!this.group) {
this.group = renderer.g('pane-group')
.attr({ zIndex: options.zIndex || 0 })
.add();
}
this.updateCenter();
// Render the backgrounds
if (backgroundOption) {
backgroundOption = splat(backgroundOption);
len = Math.max(backgroundOption.length, this.background.length || 0);
for (i = 0; i < len; i++) {
// #6641 - if axis exists, chart is circular and apply
// background
if (backgroundOption[i] && this.axis) {
this.renderBackground(merge(this.defaultBackgroundOptions, backgroundOption[i]), i);
}
else if (this.background[i]) {
this.background[i] = this.background[i].destroy();
this.background.splice(i, 1);
}
}
}
};
/**
* Render an individual pane background.
*
* @private
* @function Highcharts.Pane#renderBackground
*
* @param {Highcharts.PaneBackgroundOptions} backgroundOptions
* Background options
*
* @param {number} i
* The index of the background in this.backgrounds
*/
Pane.prototype.renderBackground = function (backgroundOptions, i) {
var method = 'animate',
attribs = {
'class': 'highcharts-pane ' + (backgroundOptions.className || '')
};
if (!this.chart.styledMode) {
extend(attribs, {
'fill': backgroundOptions.backgroundColor,
'stroke': backgroundOptions.borderColor,
'stroke-width': backgroundOptions.borderWidth
});
}
if (!this.background[i]) {
this.background[i] = this.chart.renderer
.path()
.add(this.group);
method = 'attr';
}
this.background[i][method]({
'd': this.axis.getPlotBandPath(backgroundOptions.from, backgroundOptions.to, backgroundOptions)
}).attr(attribs);
};
/**
* Gets the center for the pane and its axis.
*
* @private
* @function Highcharts.Pane#updateCenter
* @param {Highcharts.Axis} [axis]
*/
Pane.prototype.updateCenter = function (axis) {
this.center = (axis ||
this.axis ||
{}).center = CU.getCenter.call(this);
};
/**
* Destroy the pane item
*
* @ignore
* @private
* @function Highcharts.Pane#destroy
* /
destroy: function () {
erase(this.chart.pane, this);
this.background.forEach(function (background) {
background.destroy();
});
this.background.length = 0;
this.group = this.group.destroy();
},
*/
/**
* Update the pane item with new options
*
* @private
* @function Highcharts.Pane#update
* @param {Highcharts.PaneOptions} options
* New pane options
* @param {boolean} [redraw]
*/
Pane.prototype.update = function (options, redraw) {
merge(true, this.options, options);
this.setOptions(this.options);
this.render();
this.chart.axes.forEach(function (axis) {
if (axis.pane === this) {
axis.pane = null;
axis.update({}, redraw);
}
}, this);
};
return Pane;
}());
/**
* Check whether element is inside or outside pane.
* @private
* @param {number} x
* Element's x coordinate
* @param {number} y
* Element's y coordinate
* @param {Array<number>} center
* Pane's center (x, y) and diameter
*/
function isInsidePane(x, y, center) {
return Math.sqrt(Math.pow(x - center[0], 2) + Math.pow(y - center[1], 2)) <= center[2] / 2;
}
Chart.prototype.getHoverPane = function (eventArgs) {
var chart = this;
var hoverPane;
if (eventArgs) {
chart.pane.forEach(function (pane) {
var plotX = eventArgs.chartX - chart.plotLeft,
plotY = eventArgs.chartY - chart.plotTop,
x = chart.inverted ? plotY : plotX,
y = chart.inverted ? plotX : plotY;
if (isInsidePane(x, y, pane.center)) {
hoverPane = pane;
}
});
}
return hoverPane;
};
addEvent(Chart, 'afterIsInsidePlot', function (e) {
var chart = this;
if (chart.polar) {
e.isInsidePlot = chart.pane.some(function (pane) { return isInsidePane(e.x, e.y, pane.center); });
}
});
addEvent(Pointer, 'beforeGetHoverData', function (eventArgs) {
var chart = this.chart;
if (chart.polar) {
// Find pane we are currently hovering over.
chart.hoverPane = chart.getHoverPane(eventArgs);
// Edit filter method to handle polar
eventArgs.filter = function (s) {
return (s.visible &&
!(!eventArgs.shared && s.directTouch) && // #3821
pick(s.options.enableMouseTracking, true) &&
(!chart.hoverPane || s.xAxis.pane === chart.hoverPane));
};
}
else {
chart.hoverPane = void 0;
}
});
addEvent(Pointer, 'afterGetHoverData', function (eventArgs) {
var chart = this.chart;
if (eventArgs.hoverPoint &&
eventArgs.hoverPoint.plotX &&
eventArgs.hoverPoint.plotY &&
chart.hoverPane &&
!isInsidePane(eventArgs.hoverPoint.plotX, eventArgs.hoverPoint.plotY, chart.hoverPane.center)) {
eventArgs.hoverPoint = void 0;
}
});
H.Pane = Pane;
return H.Pane;
});
_registerModule(_modules, 'Core/Axis/RadialAxis.js', [_modules['Core/Axis/AxisDefaults.js'], _modules['Core/DefaultOptions.js'], _modules['Core/Globals.js'], _modules['Core/Utilities.js']], function (AxisDefaults, D, H, U) {
/* *
*
* (c) 2010-2021 Torstein Honsi
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
var defaultOptions = D.defaultOptions;
var noop = H.noop;
var addEvent = U.addEvent,
correctFloat = U.correctFloat,
defined = U.defined,
extend = U.extend,
fireEvent = U.fireEvent,
merge = U.merge,
pick = U.pick,
relativeLength = U.relativeLength,
wrap = U.wrap;
/* *
*
* Composition
*
* */
var RadialAxis;
(function (RadialAxis) {
/* *
*
* Declarations
*
* */
/* *
*
* Constants
*
* */
var composedClasses = [];
/**
* Circular axis around the perimeter of a polar chart.
* @private
*/
var defaultCircularOptions = {
gridLineWidth: 1,
labels: {
align: void 0,
distance: 15,
x: 0,
y: void 0,
style: {
textOverflow: 'none' // wrap lines by default (#7248)
}
},
maxPadding: 0,
minPadding: 0,
showLastLabel: false,
tickLength: 0
};
/**
* The default options extend defaultYAxisOptions.
* @private
*/
var defaultRadialGaugeOptions = {
labels: {
align: 'center',
x: 0,
y: void 0 // auto
},
minorGridLineWidth: 0,
minorTickInterval: 'auto',
minorTickLength: 10,
minorTickPosition: 'inside',
minorTickWidth: 1,
tickLength: 10,
tickPosition: 'inside',
tickWidth: 2,
title: {
rotation: 0
},
zIndex: 2 // behind dials, points in the series group
};
/**
* Radial axis, like a spoke in a polar chart.
* @private
*/
var defaultRadialOptions = {
/**
* In a polar chart, this is the angle of the Y axis in degrees, where
* 0 is up and 90 is right. The angle determines the position of the
* axis line and the labels, though the coordinate system is unaffected.
* Since v8.0.0 this option is also applicable for X axis (inverted
* polar).
*
* @sample {highcharts} highcharts/xaxis/angle/
* Custom X axis' angle on inverted polar chart
* @sample {highcharts} highcharts/yaxis/angle/
* Dual axis polar chart
*
* @type {number}
* @default 0
* @since 4.2.7
* @product highcharts
* @apioption xAxis.angle
*/
/**
* Polar charts only. Whether the grid lines should draw as a polygon
* with straight lines between categories, or as circles. Can be either
* `circle` or `polygon`. Since v8.0.0 this option is also applicable
* for X axis (inverted polar).
*
* @sample {highcharts} highcharts/demo/polar-spider/
* Polygon grid lines
* @sample {highcharts} highcharts/xaxis/gridlineinterpolation/
* Circle and polygon on inverted polar
* @sample {highcharts} highcharts/yaxis/gridlineinterpolation/
* Circle and polygon
*
* @type {string}
* @product highcharts
* @validvalue ["circle", "polygon"]
* @apioption xAxis.gridLineInterpolation
*/
gridLineInterpolation: 'circle',
gridLineWidth: 1,
labels: {
align: 'right',
x: -3,
y: -2
},
showLastLabel: false,
title: {
x: 4,
text: null,
rotation: 90
}
};
/* *
*
* Functions
*
* */
/* eslint-disable valid-jsdoc */
/**
* In case of auto connect, add one closestPointRange to the max value
* right before tickPositions are computed, so that ticks will extend
* passed the real max.
* @private
*/
function beforeSetTickPositions() {
// If autoConnect is true, polygonal grid lines are connected, and
// one closestPointRange is added to the X axis to prevent the last
// point from overlapping the first.
this.autoConnect = (this.isCircular &&
typeof pick(this.userMax, this.options.max) === 'undefined' &&
correctFloat(this.endAngleRad - this.startAngleRad) ===
correctFloat(2 * Math.PI));
// This will lead to add an extra tick to xAxis in order to display
// a correct range on inverted polar
if (!this.isCircular && this.chart.inverted) {
this.max++;
}
if (this.autoConnect) {
this.max += ((this.categories && 1) ||
this.pointRange ||
this.closestPointRange ||
0); // #1197, #2260
}
}
/**
* Augments methods for the value axis.
*
* @private
*
* @param {Highcharts.Axis} AxisClass
* Axis class to extend.
*
* @param {Highcharts.Tick} TickClass
* Tick class to use.
*
* @return {Highcharts.Axis}
* Axis composition.
*/
function compose(AxisClass, TickClass) {
if (composedClasses.indexOf(AxisClass) === -1) {
composedClasses.push(AxisClass);
addEvent(AxisClass, 'afterInit', onAxisAfterInit);
addEvent(AxisClass, 'autoLabelAlign', onAxisAutoLabelAlign);
addEvent(AxisClass, 'destroy', onAxisDestroy);
addEvent(AxisClass, 'init', onAxisInit);
addEvent(AxisClass, 'initialAxisTranslation', onAxisInitialAxisTranslation);
}
if (composedClasses.indexOf(TickClass) === -1) {
composedClasses.push(TickClass);
addEvent(TickClass, 'afterGetLabelPosition', onTickAfterGetLabelPosition);
addEvent(TickClass, 'afterGetPosition', onTickAfterGetPosition);
wrap(TickClass.prototype, 'getMarkPath', wrapTickGetMarkPath);
}
return AxisClass;
}
RadialAxis.compose = compose;
/**
* Attach and return collecting function for labels in radial axis for
* anti-collision.
*
* @private
*/
function createLabelCollector() {
var _this = this;
return function () {
if (_this.isRadial &&
_this.tickPositions &&
// undocumented option for now, but working
_this.options.labels &&
_this.options.labels.allowOverlap !== true) {
return _this.tickPositions
.map(function (pos) {
return _this.ticks[pos] && _this.ticks[pos].label;
})
.filter(function (label) {
return Boolean(label);
});
}
};
}
/**
* Creates an empty collector function.
* @private
*/
function createLabelCollectorHidden() {
return noop;
}
/**
* Find the correct end values of crosshair in polar.
* @private
*/
function getCrosshairPosition(options, x1, y1) {
var center = this.pane.center;
var value = options.value,
shapeArgs,
end,
x2,
y2;
if (this.isCircular) {
if (!defined(value)) {
// When the snap is set to false
x2 = options.chartX || 0;
y2 = options.chartY || 0;
value = this.translate(Math.atan2(y2 - y1, x2 - x1) - this.startAngleRad, true);
}
else if (options.point) {
// When the snap is set to true
shapeArgs = options.point.shapeArgs || {};
if (shapeArgs.start) {
// Find a true value of the point based on the
// angle
value = this.chart.inverted ?
this.translate(options.point.rectPlotY, true) :
options.point.x;
}
}
end = this.getPosition(value);
x2 = end.x;
y2 = end.y;
}
else {
if (!defined(value)) {
x2 = options.chartX;
y2 = options.chartY;
}
if (defined(x2) && defined(y2)) {
// Calculate radius of non-circular axis' crosshair
y1 = center[1] + this.chart.plotTop;
value = this.translate(Math.min(Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2)), center[2] / 2) - center[3] / 2, true);
}
}
return [value, x2 || 0, y2 || 0];
}
/**
* Get the path for the axis line. This method is also referenced in the
* getPlotLinePath method.
*
* @private
* @param {number} _lineWidth
* Line width is not used.
* @param {number} [radius]
* Radius of radial path.
* @param {number} [innerRadius]
* Inner radius of radial path.
*/
function getLinePath(_lineWidth, radius, innerRadius) {
var center = this.pane.center,
chart = this.chart,
left = this.left || 0,
top = this.top || 0;
var end,
r = pick(radius,
center[2] / 2 - this.offset),
path;
if (typeof innerRadius === 'undefined') {
innerRadius = this.horiz ? 0 : this.center && -this.center[3] / 2;
}
// In case when innerSize of pane is set, it must be included
if (innerRadius) {
r += innerRadius;
}
if (this.isCircular || typeof radius !== 'undefined') {
path = this.chart.renderer.symbols.arc(left + center[0], top + center[1], r, r, {
start: this.startAngleRad,
end: this.endAngleRad,
open: true,
innerR: 0
});
// Bounds used to position the plotLine label next to the line
// (#7117)
path.xBounds = [left + center[0]];
path.yBounds = [top + center[1] - r];
}
else {
end = this.postTranslate(this.angleRad, r);
path = [
[
'M',
this.center[0] + chart.plotLeft,
this.center[1] + chart.plotTop
],
['L', end.x, end.y]
];
}
return path;
}
/**
* Wrap the getOffset method to return zero offset for title or labels
* in a radial axis.
*/
function getOffset() {
var axisProto = this.constructor.prototype;
// Call the Axis prototype method (the method we're in now is on the
// instance)
axisProto.getOffset.call(this);
// Title or label offsets are not counted
this.chart.axisOffset[this.side] = 0;
}
/**
* Find the path for plot bands along the radial axis.
*
* @private
*/
function getPlotBandPath(from, to, options) {
var chart = this.chart,
radiusToPixels = function (radius) {
if (typeof radius === 'string') {
var r = parseInt(radius, 10);
if (percentRegex.test(radius)) {
r = (r * fullRadius) / 100;
}
return r;
}
return radius;
}, center = this.center, startAngleRad = this.startAngleRad, fullRadius = center[2] / 2, offset = Math.min(this.offset, 0), left = this.left || 0, top = this.top || 0, percentRegex = /%$/, isCircular = this.isCircular; // X axis in a polar chart
var start,
end,
angle,
xOnPerimeter,
open,
path,
outerRadius = pick(radiusToPixels(options.outerRadius),
fullRadius),
innerRadius = radiusToPixels(options.innerRadius),
thickness = pick(radiusToPixels(options.thickness), 10);
// Polygonal plot bands
if (this.options.gridLineInterpolation === 'polygon') {
path = this.getPlotLinePath({ value: from }).concat(this.getPlotLinePath({ value: to, reverse: true }));
// Circular grid bands
}
else {
// Keep within bounds
from = Math.max(from, this.min);
to = Math.min(to, this.max);
var transFrom = this.translate(from),
transTo = this.translate(to);
// Plot bands on Y axis (radial axis) - inner and outer
// radius depend on to and from
if (!isCircular) {
outerRadius = transFrom || 0;
innerRadius = transTo || 0;
}
// Handle full circle
if (options.shape === 'circle' || !isCircular) {
start = -Math.PI / 2;
end = Math.PI * 1.5;
open = true;
}
else {
start = startAngleRad + (transFrom || 0);
end = startAngleRad + (transTo || 0);
}
outerRadius -= offset; // #5283
thickness -= offset; // #5283
path = chart.renderer.symbols.arc(left + center[0], top + center[1], outerRadius, outerRadius, {
// Math is for reversed yAxis (#3606)
start: Math.min(start, end),
end: Math.max(start, end),
innerR: pick(innerRadius, outerRadius - thickness),
open: open
});
// Provide positioning boxes for the label (#6406)
if (isCircular) {
angle = (end + start) / 2;
xOnPerimeter = (left +
center[0] +
(center[2] / 2) * Math.cos(angle));
path.xBounds = angle > -Math.PI / 2 && angle < Math.PI / 2 ?
// Right hemisphere
[xOnPerimeter, chart.plotWidth] :
// Left hemisphere
[0, xOnPerimeter];
path.yBounds = [
top + center[1] + (center[2] / 2) * Math.sin(angle)
];
// Shift up or down to get the label clear of the perimeter
path.yBounds[0] += ((angle > -Math.PI && angle < 0) ||
(angle > Math.PI)) ? -10 : 10;
}
}
return path;
}
/**
* Find the path for plot lines perpendicular to the radial axis.
*/
function getPlotLinePath(options) {
var _this = this;
var center = this.pane.center, chart = this.chart, inverted = chart.inverted, reverse = options.reverse, background = this.pane.options.background ?
(this.pane.options.background[0] ||
this.pane.options.background) :
{}, innerRadius = background.innerRadius || '0%', outerRadius = background.outerRadius || '100%', x1 = center[0] + chart.plotLeft, y1 = center[1] + chart.plotTop, height = this.height, isCrosshair = options.isCrosshair, paneInnerR = center[3] / 2;
var value = options.value,
innerRatio,
distance,
a,
b,
otherAxis,
xy,
tickPositions,
crossPos,
path;
var end = this.getPosition(value);
var x2 = end.x,
y2 = end.y;
// Crosshair logic
if (isCrosshair) {
// Find crosshair's position and perform destructuring
// assignment
crossPos = this.getCrosshairPosition(options, x1, y1);
value = crossPos[0];
x2 = crossPos[1];
y2 = crossPos[2];
}
// Spokes
if (this.isCircular) {
distance = Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2));
a = (typeof innerRadius === 'string') ?
relativeLength(innerRadius, 1) :
(innerRadius / distance);
b = (typeof outerRadius === 'string') ?
relativeLength(outerRadius, 1) :
(outerRadius / distance);
// To ensure that gridlines won't be displayed in area
// defined by innerSize in case of custom radiuses of pane's
// background
if (center && paneInnerR) {
innerRatio = paneInnerR / distance;
if (a < innerRatio) {
a = innerRatio;
}
if (b < innerRatio) {
b = innerRatio;
}
}
path = [
['M', x1 + a * (x2 - x1), y1 - a * (y1 - y2)],
['L', x2 - (1 - b) * (x2 - x1), y2 + (1 - b) * (y1 - y2)]
];
// Concentric circles
}
else {
// Pick the right values depending if it is grid line or
// crosshair
value = this.translate(value);
// This is required in case when xAxis is non-circular to
// prevent grid lines (or crosshairs, if enabled) from
// rendering above the center after they supposed to be
// displayed below the center point
if (value) {
if (value < 0 || value > height) {
value = 0;
}
}
if (this.options.gridLineInterpolation === 'circle') {
// A value of 0 is in the center, so it won't be
// visible, but draw it anyway for update and animation
// (#2366)
path = this.getLinePath(0, value, paneInnerR);
// Concentric polygons
}
else {
path = [];
// Find the other axis (a circular one) in the same pane
chart[inverted ? 'yAxis' : 'xAxis'].forEach(function (a) {
if (a.pane === _this.pane) {
otherAxis = a;
}
});
if (otherAxis) {
tickPositions = otherAxis.tickPositions;
if (otherAxis.autoConnect) {
tickPositions =
tickPositions.concat([tickPositions[0]]);
}
// Reverse the positions for concatenation of polygonal
// plot bands
if (reverse) {
tickPositions = tickPositions.slice().reverse();
}
if (value) {
value += paneInnerR;
}
for (var i = 0; i < tickPositions.length; i++) {
xy = otherAxis.getPosition(tickPositions[i], value);
path.push(i ? ['L', xy.x, xy.y] : ['M', xy.x, xy.y]);
}
}
}
}
return path;
}
/**
* Returns the x, y coordinate of a point given by a value and a pixel
* distance from center.
*
* @private
* @param {number} value
* Point value.
* @param {number} [length]
* Distance from center.
*/
function getPosition(value, length) {
var translatedVal = this.translate(value);
return this.postTranslate(this.isCircular ? translatedVal : this.angleRad, // #2848
// In case when translatedVal is negative, the 0 value must be
// used instead, in order to deal with lines and labels that
// fall out of the visible range near the center of a pane
pick(this.isCircular ?
length :
(translatedVal < 0 ? 0 : translatedVal), this.center[2] / 2) - this.offset);
}
/**
* Find the position for the axis title, by default inside the gauge.
*/
function getTitlePosition() {
var center = this.center,
chart = this.chart,
titleOptions = this.options.title;
return {
x: chart.plotLeft + center[0] + (titleOptions.x || 0),
y: (chart.plotTop +
center[1] -
({
high: 0.5,
middle: 0.25,
low: 0
}[titleOptions.align] *
center[2]) +
(titleOptions.y || 0))
};
}
/**
* Modify radial axis.
* @private
*
* @param {Highcharts.Axis} radialAxis
* Radial axis to modify.
*/
function modify(axis) {
axis.beforeSetTickPositions = beforeSetTickPositions;
axis.createLabelCollector = createLabelCollector;
axis.getCrosshairPosition = getCrosshairPosition;
axis.getLinePath = getLinePath;
axis.getOffset = getOffset;
axis.getPlotBandPath = getPlotBandPath;
axis.getPlotLinePath = getPlotLinePath;
axis.getPosition = getPosition;
axis.getTitlePosition = getTitlePosition;
axis.postTranslate = postTranslate;
axis.setAxisSize = setAxisSize;
axis.setAxisTranslation = setAxisTranslation;
axis.setOptions = setOptions;
}
/**
* Modify radial axis as hidden.
* @private
*
* @param {Highcharts.Axis} radialAxis
* Radial axis to modify.
*/
function modifyAsHidden(radialAxis) {
radialAxis.isHidden = true;
radialAxis.createLabelCollector = createLabelCollectorHidden;
radialAxis.getOffset = noop;
radialAxis.redraw = renderHidden;
radialAxis.render = renderHidden;
radialAxis.setScale = noop;
radialAxis.setCategories = noop;
radialAxis.setTitle = noop;
}
/**
* Finalize modification of axis instance with radial logic.
*/
function onAxisAfterInit() {
var chart = this.chart,
options = this.options,
isHidden = chart.angular && this.isXAxis,
pane = this.pane,
paneOptions = pane && pane.options;
if (!isHidden && pane && (chart.angular || chart.polar)) {
// Start and end angle options are given in degrees relative to
// top, while internal computations are in radians relative to
// right (like SVG).
// Y axis in polar charts
this.angleRad = (options.angle || 0) * Math.PI / 180;
// Gauges
this.startAngleRad =
(paneOptions.startAngle - 90) * Math.PI / 180;
this.endAngleRad = (pick(paneOptions.endAngle, paneOptions.startAngle + 360) - 90) * Math.PI / 180; // Gauges
this.offset = options.offset || 0;
}
}
/**
* Wrap auto label align to avoid setting axis-wide rotation on radial axes.
* (#4920)
*/
function onAxisAutoLabelAlign(e) {
if (this.isRadial) {
e.align = void 0;
e.preventDefault();
}
}
/**
* Remove label collector function on axis remove/update.
*/
function onAxisDestroy() {
if (this.chart &&
this.chart.labelCollectors) {
var index = (this.labelCollector ?
this.chart.labelCollectors.indexOf(this.labelCollector) :
-1);
if (index >= 0) {
this.chart.labelCollectors.splice(index, 1);
}
}
}
/**
* Modify axis instance with radial logic before common axis init.
*/
function onAxisInit(e) {
var chart = this.chart,
inverted = chart.inverted,
angular = chart.angular,
polar = chart.polar,
isX = this.isXAxis,
coll = this.coll,
isHidden = angular && isX,
chartOptions = chart.options,
paneIndex = e.userOptions.pane || 0,
pane = this.pane = chart.pane && chart.pane[paneIndex];
var isCircular;
// Prevent changes for colorAxis
if (coll === 'colorAxis') {
this.isRadial = false;
return;
}
// Before prototype.init
if (angular) {
if (isHidden) {
modifyAsHidden(this);
}
else {
modify(this);
}
isCircular = !isX;
if (isCircular) {
this.defaultPolarOptions = defaultRadialGaugeOptions;
}
}
else if (polar) {
modify(this);
// Check which axis is circular
isCircular = this.horiz;
this.defaultPolarOptions = isCircular ?
defaultCircularOptions :
merge(coll === 'xAxis' ?
AxisDefaults.defaultXAxisOptions :
AxisDefaults.defaultYAxisOptions, defaultRadialOptions);
// Apply the stack labels for yAxis in case of inverted chart
if (inverted && coll === 'yAxis') {
this.defaultPolarOptions.stackLabels = AxisDefaults