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/* *
*
* (c) 2010-2019 Torstein Honsi
*
* License: www.highcharts.com/license
*
* */
'use strict';
import H from '../parts/Globals.js';
import '../parts/Utilities.js';
import '../parts/Options.js';
import '../parts/Point.js';
import '../parts/Series.js';
import '../parts/Legend.js';
import './ColorSeriesMixin.js';
var colorPointMixin = H.colorPointMixin,
colorSeriesMixin = H.colorSeriesMixin,
LegendSymbolMixin = H.LegendSymbolMixin,
merge = H.merge,
noop = H.noop,
pick = H.pick,
Series = H.Series,
seriesType = H.seriesType,
seriesTypes = H.seriesTypes;
/**
* @private
* @class
* @name Highcharts.seriesTypes.heatmap
*
* @augments Highcharts.Series
*/
seriesType(
'heatmap',
'scatter',
/**
* A heatmap is a graphical representation of data where the individual
* values contained in a matrix are represented as colors.
*
* @sample highcharts/demo/heatmap/
* Simple heatmap
* @sample highcharts/demo/heatmap-canvas/
* Heavy heatmap
*
* @extends plotOptions.scatter
* @excluding animationLimit, connectEnds, connectNulls, dashStyle,
* findNearestPointBy, getExtremesFromAll, jitter, linecap,
* lineWidth, marker, pointInterval, pointIntervalUnit,
* pointRange, pointStart, shadow, softThreshold, stacking,
* step, threshold
* @product highcharts highmaps
* @optionparent plotOptions.heatmap
*/
{
/**
* Animation is disabled by default on the heatmap series.
*/
animation: false,
/**
* The border width for each heat map item.
*/
borderWidth: 0,
/**
* Padding between the points in the heatmap.
*
* @type {number}
* @default 0
* @since 6.0
* @apioption plotOptions.heatmap.pointPadding
*/
/**
* The main color of the series. In heat maps this color is rarely used,
* as we mostly use the color to denote the value of each point. Unless
* options are set in the [colorAxis](#colorAxis), the default value
* is pulled from the [options.colors](#colors) array.
*
* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
* @since 4.0
* @product highcharts
* @apioption plotOptions.heatmap.color
*/
/**
* The column size - how many X axis units each column in the heatmap
* should span.
*
* @sample {highcharts} maps/demo/heatmap/
* One day
* @sample {highmaps} maps/demo/heatmap/
* One day
*
* @type {number}
* @default 1
* @since 4.0
* @product highcharts highmaps
* @apioption plotOptions.heatmap.colsize
*/
/**
* The row size - how many Y axis units each heatmap row should span.
*
* @sample {highcharts} maps/demo/heatmap/
* 1 by default
* @sample {highmaps} maps/demo/heatmap/
* 1 by default
*
* @type {number}
* @default 1
* @since 4.0
* @product highcharts highmaps
* @apioption plotOptions.heatmap.rowsize
*/
/**
* The color applied to null points. In styled mode, a general CSS class
* is applied instead.
*
* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
*/
nullColor: '#f7f7f7',
dataLabels: {
/** @ignore-option */
formatter: function () { // #2945
return this.point.value;
},
/** @ignore-option */
inside: true,
/** @ignore-option */
verticalAlign: 'middle',
/** @ignore-option */
crop: false,
/** @ignore-option */
overflow: false,
/** @ignore-option */
padding: 0 // #3837
},
/** @ignore */
marker: null,
/**
* @ignore
*/
pointRange: null, // dynamically set to colsize by default
tooltip: {
pointFormat: '{point.x}, {point.y}: {point.value}<br/>'
},
states: {
hover: {
/** @ignore-option */
halo: false, // #3406, halo is disabled on heatmaps by default
/**
* How much to brighten the point on interaction. Requires the
* main color to be defined in hex or rgb(a) format.
*
* In styled mode, the hover brightening is by default replaced
* with a fill-opacity set in the `.highcharts-point:hover`
* rule.
*/
brightness: 0.2
}
}
}, merge(colorSeriesMixin, {
pointArrayMap: ['y', 'value'],
hasPointSpecificOptions: true,
getExtremesFromAll: true,
directTouch: true,
/**
* Override the init method to add point ranges on both axes.
*
* @private
* @function Highcharts.seriesTypes.heatmap#init
*/
init: function () {
var options;
seriesTypes.scatter.prototype.init.apply(this, arguments);
options = this.options;
// #3758, prevent resetting in setData
options.pointRange = pick(options.pointRange, options.colsize || 1);
// general point range
this.yAxis.axisPointRange = options.rowsize || 1;
},
/**
* @private
* @function Highcharts.seriesTypes.heatmap#translate
*/
translate: function () {
var series = this,
options = series.options,
xAxis = series.xAxis,
yAxis = series.yAxis,
seriesPointPadding = options.pointPadding || 0,
between = function (x, a, b) {
return Math.min(Math.max(a, x), b);
},
pointPlacement = series.pointPlacementToXValue(); // #7860
series.generatePoints();
series.points.forEach(function (point) {
var xPad = (options.colsize || 1) / 2,
yPad = (options.rowsize || 1) / 2,
x1 = between(
Math.round(
xAxis.len -
xAxis.translate(point.x - xPad,
0,
1,
0,
1,
-pointPlacement)
),
-xAxis.len, 2 * xAxis.len
),
x2 = between(
Math.round(
xAxis.len -
xAxis.translate(point.x + xPad,
0,
1,
0,
1,
-pointPlacement)
),
-xAxis.len, 2 * xAxis.len
),
y1 = between(
Math.round(yAxis.translate(point.y - yPad, 0, 1, 0, 1)),
-yAxis.len, 2 * yAxis.len
),
y2 = between(
Math.round(yAxis.translate(point.y + yPad, 0, 1, 0, 1)),
-yAxis.len, 2 * yAxis.len
),
pointPadding = pick(point.pointPadding, seriesPointPadding);
// Set plotX and plotY for use in K-D-Tree and more
point.plotX = point.clientX = (x1 + x2) / 2;
point.plotY = (y1 + y2) / 2;
point.shapeType = 'rect';
point.shapeArgs = {
x: Math.min(x1, x2) + pointPadding,
y: Math.min(y1, y2) + pointPadding,
width: Math.abs(x2 - x1) - pointPadding * 2,
height: Math.abs(y2 - y1) - pointPadding * 2
};
});
series.translateColors();
},
/**
* @private
* @function Highcharts.seriesTypes.heatmap#drawPoints
*/
drawPoints: function () {
// In styled mode, use CSS, otherwise the fill used in the style
// sheet will take precedence over the fill attribute.
var func = this.chart.styledMode ? 'css' : 'attr';
seriesTypes.column.prototype.drawPoints.call(this);
this.points.forEach(function (point) {
point.graphic[func](this.colorAttribs(point));
}, this);
},
// Define hasData function for non-cartesian series.
// Returns true if the series has points at all.
hasData: function () {
return !!this.processedXData.length; // != 0
},
// Override to also allow null points, used when building the k-d-tree
// for tooltips in boost mode.
getValidPoints: function (points, insideOnly) {
return Series.prototype.getValidPoints.call(
this,
points,
insideOnly,
true
);
},
/**
* @ignore
* @deprecated
* @function Highcharts.seriesTypes.heatmap#animate
*/
animate: noop,
/**
* @ignore
* @deprecated
* @function Highcharts.seriesTypes.heatmap#getBox
*/
getBox: noop,
/**
* @private
* @borrows Highcharts.LegendSymbolMixin.drawRectangle as Highcharts.seriesTypes.heatmap#drawLegendSymbol
*/
drawLegendSymbol: LegendSymbolMixin.drawRectangle,
/**
* @private
* @borrows Highcharts.seriesTypes.column#alignDataLabel as Highcharts.seriesTypes.heatmap#alignDataLabel
*/
alignDataLabel: seriesTypes.column.prototype.alignDataLabel,
/**
* @private
* @function Highcharts.seriesTypes.heatmap#getExtremes
*/
getExtremes: function () {
// Get the extremes from the value data
Series.prototype.getExtremes.call(this, this.valueData);
this.valueMin = this.dataMin;
this.valueMax = this.dataMax;
// Get the extremes from the y data
Series.prototype.getExtremes.call(this);
}
}), H.extend({
/**
* @private
* @function Highcharts.Point#haloPath
*
* @param {number} size
*
* @return {Highcharts.SVGPathArray}
*/
haloPath: function (size) {
if (!size) {
return [];
}
var rect = this.shapeArgs;
return [
'M', rect.x - size, rect.y - size,
'L', rect.x - size, rect.y + rect.height + size,
rect.x + rect.width + size, rect.y + rect.height + size,
rect.x + rect.width + size, rect.y - size,
'Z'
];
}
}, colorPointMixin)
);
/**
* A `heatmap` series. If the [type](#series.heatmap.type) option is
* not specified, it is inherited from [chart.type](#chart.type).
*
* @extends series,plotOptions.heatmap
* @excluding dataParser, dataURL, marker, pointRange, stack
* @product highcharts highmaps
* @apioption series.heatmap
*/
/**
* An array of data points for the series. For the `heatmap` series
* type, points can be given in the following ways:
*
* 1. An array of arrays with 3 or 2 values. In this case, the values
* correspond to `x,y,value`. If the first value is a string, it is
* applied as the name of the point, and the `x` value is inferred.
* The `x` value can also be omitted, in which case the inner arrays
* should be of length 2\. Then the `x` value is automatically calculated,
* either starting at 0 and incremented by 1, or from `pointStart`
* and `pointInterval` given in the series options.
*
* ```js
* data: [
* [0, 9, 7],
* [1, 10, 4],
* [2, 6, 3]
* ]
* ```
*
* 2. An array of objects with named values. The following snippet shows only a
* few settings, see the complete options set below. If the total number of data
* points exceeds the series' [turboThreshold](#series.heatmap.turboThreshold),
* this option is not available.
*
* ```js
* data: [{
* x: 1,
* y: 3,
* value: 10,
* name: "Point2",
* color: "#00FF00"
* }, {
* x: 1,
* y: 7,
* value: 10,
* name: "Point1",
* color: "#FF00FF"
* }]
* ```
*
* @sample {highcharts} highcharts/chart/reflow-true/
* Numerical values
* @sample {highcharts} highcharts/series/data-array-of-arrays/
* Arrays of numeric x and y
* @sample {highcharts} highcharts/series/data-array-of-arrays-datetime/
* Arrays of datetime x and y
* @sample {highcharts} highcharts/series/data-array-of-name-value/
* Arrays of point.name and y
* @sample {highcharts} highcharts/series/data-array-of-objects/
* Config objects
*
* @type {Array<Array<number>|*>}
* @extends series.line.data
* @excluding marker
* @product highcharts highmaps
* @apioption series.heatmap.data
*/
/**
* The color of the point. In heat maps the point color is rarely set
* explicitly, as we use the color to denote the `value`. Options for
* this are set in the [colorAxis](#colorAxis) configuration.
*
* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
* @product highcharts highmaps
* @apioption series.heatmap.data.color
*/
/**
* The value of the point, resulting in a color controled by options
* as set in the [colorAxis](#colorAxis) configuration.
*
* @type {number}
* @product highcharts highmaps
* @apioption series.heatmap.data.value
*/
/**
* The x value of the point. For datetime axes,
* the X value is the timestamp in milliseconds since 1970.
*
* @type {number}
* @product highcharts highmaps
* @apioption series.heatmap.data.x
*/
/**
* The y value of the point.
*
* @type {number}
* @product highcharts highmaps
* @apioption series.heatmap.data.y
*/
/**
* Point padding for a single point.
*
* @sample maps/plotoptions/tilemap-pointpadding
* Point padding on tiles
*
* @type {number}
* @product highcharts highmaps
* @apioption series.heatmap.data.pointPadding
*/