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/* *
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*
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* (c) 2010-2021 Highsoft AS
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*
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* Author: Sebastian Domas
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*
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* License: www.highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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* */
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'use strict';
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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if (typeof b !== "function" && b !== null)
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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import DerivedComposition from '../DerivedComposition.js';
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import SeriesRegistry from '../../Core/Series/SeriesRegistry.js';
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var AreaSplineSeries = SeriesRegistry.seriesTypes.areaspline;
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import U from '../../Core/Utilities.js';
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var correctFloat = U.correctFloat, extend = U.extend, isNumber = U.isNumber, merge = U.merge;
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/**
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* Bell curve class
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*
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* @private
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* @class
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* @name Highcharts.seriesTypes.bellcurve
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*
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* @augments Highcharts.Series
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*/
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var BellcurveSeries = /** @class */ (function (_super) {
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__extends(BellcurveSeries, _super);
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function BellcurveSeries() {
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/* *
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*
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* Static Properties
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*
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* */
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var _this = _super !== null && _super.apply(this, arguments) || this;
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/* eslint-enable valid-jsdoc */
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/* *
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*
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* Properties
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*
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* */
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_this.data = void 0;
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_this.options = void 0;
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_this.points = void 0;
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return _this;
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/* eslint-enable valid-jsdoc */
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}
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/* *
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*
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* Static Functions
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*
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* */
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/* eslint-disable valid-jsdoc */
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/**
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* @private
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*/
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BellcurveSeries.mean = function (data) {
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var length = data.length, sum = data.reduce(function (sum, value) {
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return (sum += value);
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}, 0);
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return length > 0 && sum / length;
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};
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/**
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* @private
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*/
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BellcurveSeries.standardDeviation = function (data, average) {
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var len = data.length, sum;
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average = isNumber(average) ?
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average : BellcurveSeries.mean(data);
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sum = data.reduce(function (sum, value) {
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var diff = value - average;
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return (sum += diff * diff);
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}, 0);
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return len > 1 && Math.sqrt(sum / (len - 1));
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};
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/**
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* @private
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*/
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BellcurveSeries.normalDensity = function (x, mean, standardDeviation) {
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var translation = x - mean;
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return Math.exp(-(translation * translation) /
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(2 * standardDeviation * standardDeviation)) / (standardDeviation * Math.sqrt(2 * Math.PI));
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};
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/* *
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*
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* Functions
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*
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* */
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/* eslint-disable valid-jsdoc */
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BellcurveSeries.prototype.derivedData = function (mean, standardDeviation) {
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var intervals = this.options.intervals, pointsInInterval = this.options.pointsInInterval, x = mean - intervals * standardDeviation, stop = intervals * pointsInInterval * 2 + 1, increment = standardDeviation / pointsInInterval, data = [], i;
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for (i = 0; i < stop; i++) {
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data.push([x, BellcurveSeries.normalDensity(x, mean, standardDeviation)]);
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x += increment;
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}
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return data;
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};
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BellcurveSeries.prototype.setDerivedData = function () {
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if (this.baseSeries.yData.length > 1) {
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this.setMean();
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this.setStandardDeviation();
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this.setData(this.derivedData(this.mean, this.standardDeviation), false);
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}
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return (void 0);
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};
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BellcurveSeries.prototype.setMean = function () {
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this.mean = correctFloat(BellcurveSeries.mean(this.baseSeries.yData));
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};
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BellcurveSeries.prototype.setStandardDeviation = function () {
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this.standardDeviation = correctFloat(BellcurveSeries.standardDeviation(this.baseSeries.yData, this.mean));
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};
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/**
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* A bell curve is an areaspline series which represents the probability
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* density function of the normal distribution. It calculates mean and
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* standard deviation of the base series data and plots the curve according
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* to the calculated parameters.
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*
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* @sample {highcharts} highcharts/demo/bellcurve/
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* Bell curve
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*
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* @extends plotOptions.areaspline
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* @since 6.0.0
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* @product highcharts
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* @excluding boostThreshold, connectNulls, dragDrop, stacking,
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* pointInterval, pointIntervalUnit
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* @requires modules/bellcurve
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* @optionparent plotOptions.bellcurve
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*/
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BellcurveSeries.defaultOptions = merge(AreaSplineSeries.defaultOptions, {
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/**
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* @see [fillColor](#plotOptions.bellcurve.fillColor)
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* @see [fillOpacity](#plotOptions.bellcurve.fillOpacity)
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*
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* @apioption plotOptions.bellcurve.color
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*/
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/**
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* @see [color](#plotOptions.bellcurve.color)
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* @see [fillOpacity](#plotOptions.bellcurve.fillOpacity)
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*
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* @apioption plotOptions.bellcurve.fillColor
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*/
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/**
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* @see [color](#plotOptions.bellcurve.color)
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* @see [fillColor](#plotOptions.bellcurve.fillColor)
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*
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* @default {highcharts} 0.75
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* @default {highstock} 0.75
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* @apioption plotOptions.bellcurve.fillOpacity
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*/
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/**
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* This option allows to define the length of the bell curve. A unit of
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* the length of the bell curve is standard deviation.
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*
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* @sample highcharts/plotoptions/bellcurve-intervals-pointsininterval
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* Intervals and points in interval
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*/
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intervals: 3,
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/**
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* Defines how many points should be plotted within 1 interval. See
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* `plotOptions.bellcurve.intervals`.
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*
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* @sample highcharts/plotoptions/bellcurve-intervals-pointsininterval
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* Intervals and points in interval
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*/
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pointsInInterval: 3,
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marker: {
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enabled: false
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}
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});
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return BellcurveSeries;
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}(AreaSplineSeries));
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DerivedComposition.compose(BellcurveSeries);
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SeriesRegistry.registerSeriesType('bellcurve', BellcurveSeries);
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/* *
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*
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* Default Export
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*
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* */
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export default BellcurveSeries;
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/* *
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*
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* API Options
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*
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* */
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/**
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* A `bellcurve` series. If the [type](#series.bellcurve.type) option is not
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* specified, it is inherited from [chart.type](#chart.type).
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*
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* For options that apply to multiple series, it is recommended to add
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* them to the [plotOptions.series](#plotOptions.series) options structure.
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* To apply to all series of this specific type, apply it to
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* [plotOptions.bellcurve](#plotOptions.bellcurve).
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*
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* @extends series,plotOptions.bellcurve
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* @since 6.0.0
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* @product highcharts
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* @excluding dataParser, dataURL, data, boostThreshold, boostBlending
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* @requires modules/bellcurve
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* @apioption series.bellcurve
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*/
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/**
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* An integer identifying the index to use for the base series, or a string
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* representing the id of the series.
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*
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* @type {number|string}
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* @apioption series.bellcurve.baseSeries
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*/
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/**
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* @see [fillColor](#series.bellcurve.fillColor)
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* @see [fillOpacity](#series.bellcurve.fillOpacity)
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*
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* @apioption series.bellcurve.color
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*/
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/**
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* @see [color](#series.bellcurve.color)
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* @see [fillOpacity](#series.bellcurve.fillOpacity)
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*
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* @apioption series.bellcurve.fillColor
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*/
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/**
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* @see [color](#series.bellcurve.color)
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* @see [fillColor](#series.bellcurve.fillColor)
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*
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* @default {highcharts} 0.75
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* @default {highstock} 0.75
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* @apioption series.bellcurve.fillOpacity
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*/
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''; // adds doclets above to transpiled file
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