549 lines
18 KiB
JavaScript
549 lines
18 KiB
JavaScript
/**
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* @license Highcharts JS v6.1.0 (2018-04-13)
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* Wind barb series module
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*
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* (c) 2010-2017 Torstein Honsi
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*
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* License: www.highcharts.com/license
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*/
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'use strict';
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(function (factory) {
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if (typeof module === 'object' && module.exports) {
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module.exports = factory;
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} else {
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factory(Highcharts);
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}
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}(function (Highcharts) {
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var onSeriesMixin = (function (H) {
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/**
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* (c) 2010-2017 Torstein Honsi
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*
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* License: www.highcharts.com/license
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*/
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var each = H.each,
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defined = H.defined,
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seriesTypes = H.seriesTypes,
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stableSort = H.stableSort;
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var onSeriesMixin = {
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/**
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* Override getPlotBox. If the onSeries option is valid, return the plot box
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* of the onSeries, otherwise proceed as usual.
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*/
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getPlotBox: function () {
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return H.Series.prototype.getPlotBox.call(
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(
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this.options.onSeries &&
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this.chart.get(this.options.onSeries)
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) || this
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);
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},
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/**
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* Extend the translate method by placing the point on the related series
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*/
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translate: function () {
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seriesTypes.column.prototype.translate.apply(this);
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var series = this,
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options = series.options,
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chart = series.chart,
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points = series.points,
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cursor = points.length - 1,
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point,
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lastPoint,
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optionsOnSeries = options.onSeries,
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onSeries = optionsOnSeries && chart.get(optionsOnSeries),
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onKey = options.onKey || 'y',
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step = onSeries && onSeries.options.step,
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onData = onSeries && onSeries.points,
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i = onData && onData.length,
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inverted = chart.inverted,
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xAxis = series.xAxis,
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yAxis = series.yAxis,
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xOffset = 0,
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leftPoint,
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lastX,
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rightPoint,
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currentDataGrouping,
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distanceRatio;
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// relate to a master series
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if (onSeries && onSeries.visible && i) {
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xOffset = (onSeries.pointXOffset || 0) + (onSeries.barW || 0) / 2;
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currentDataGrouping = onSeries.currentDataGrouping;
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lastX = (
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onData[i - 1].x +
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(currentDataGrouping ? currentDataGrouping.totalRange : 0)
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); // #2374
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// sort the data points
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stableSort(points, function (a, b) {
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return (a.x - b.x);
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});
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onKey = 'plot' + onKey[0].toUpperCase() + onKey.substr(1);
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while (i-- && points[cursor]) {
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leftPoint = onData[i];
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point = points[cursor];
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point.y = leftPoint.y;
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if (leftPoint.x <= point.x && leftPoint[onKey] !== undefined) {
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if (point.x <= lastX) { // #803
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point.plotY = leftPoint[onKey];
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// interpolate between points, #666
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if (leftPoint.x < point.x && !step) {
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rightPoint = onData[i + 1];
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if (rightPoint && rightPoint[onKey] !== undefined) {
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// the distance ratio, between 0 and 1
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distanceRatio = (point.x - leftPoint.x) /
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(rightPoint.x - leftPoint.x);
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point.plotY +=
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distanceRatio *
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// the plotY distance
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(rightPoint[onKey] - leftPoint[onKey]);
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point.y +=
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distanceRatio *
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(rightPoint.y - leftPoint.y);
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}
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}
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}
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cursor--;
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i++; // check again for points in the same x position
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if (cursor < 0) {
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break;
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}
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}
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}
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}
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// Add plotY position and handle stacking
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each(points, function (point, i) {
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var stackIndex;
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point.plotX += xOffset; // #2049
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// Undefined plotY means the point is either on axis, outside series
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// range or hidden series. If the series is outside the range of the
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// x axis it should fall through with an undefined plotY, but then
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// we must remove the shapeArgs (#847). For inverted charts, we need
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// to calculate position anyway, because series.invertGroups is not
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// defined
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if (point.plotY === undefined || inverted) {
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if (point.plotX >= 0 && point.plotX <= xAxis.len) {
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// We're inside xAxis range
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if (inverted) {
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point.plotY = xAxis.translate(point.x, 0, 1, 0, 1);
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point.plotX = defined(point.y) ?
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yAxis.translate(point.y, 0, 0, 0, 1) : 0;
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} else {
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point.plotY = chart.chartHeight - xAxis.bottom -
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(xAxis.opposite ? xAxis.height : 0) +
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xAxis.offset - yAxis.top; // #3517
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}
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} else {
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point.shapeArgs = {}; // 847
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}
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}
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// if multiple flags appear at the same x, order them into a stack
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lastPoint = points[i - 1];
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if (lastPoint && lastPoint.plotX === point.plotX) {
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if (lastPoint.stackIndex === undefined) {
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lastPoint.stackIndex = 0;
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}
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stackIndex = lastPoint.stackIndex + 1;
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}
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point.stackIndex = stackIndex; // #3639
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});
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this.onSeries = onSeries;
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}
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};
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return onSeriesMixin;
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}(Highcharts));
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(function (H, onSeriesMixin) {
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/**
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* Wind barb series module
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*
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* (c) 2010-2017 Torstein Honsi
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*
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* License: www.highcharts.com/license
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*/
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var each = H.each,
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noop = H.noop,
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seriesType = H.seriesType;
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/**
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* Wind barbs are a convenient way to represent wind speed and direction in one
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* graphical form. Wind direction is given by the stem direction, and wind speed
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* by the number and shape of barbs.
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*
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* @extends {plotOptions.column}
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* @excluding boostThreshold,marker,connectEnds,connectNulls,cropThreshold,
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* dashStyle,gapSize,gapUnit,dataGrouping,linecap,shadow,stacking,
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* step
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* @product highcharts highstock
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* @sample {highcharts|highstock} highcharts/demo/windbarb-series/
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* Wind barb series
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* @since 6.0.0
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* @optionparent plotOptions.windbarb
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*/
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seriesType('windbarb', 'column', {
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/**
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* The line width of the wind barb symbols.
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*/
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lineWidth: 2,
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/**
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* The id of another series in the chart that the wind barbs are projected
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* on. When `null`, the wind symbols are drawn on the X axis, but offset
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* up or down by the `yOffset` setting.
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*
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* @sample {highcharts|highstock} highcharts/plotoptions/windbarb-onseries
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* Projected on area series
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* @type {String|null}
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*/
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onSeries: null,
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states: {
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hover: {
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lineWidthPlus: 0
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}
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},
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tooltip: {
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/**
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* The default point format for the wind barb tooltip. Note the
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* `point.beaufort` property that refers to the Beaufort wind scale. The
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* names can be internationalized by modifying
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* `Highcharts.seriesTypes.windbarb.prototype.beaufortNames`.
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*/
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pointFormat: '<span style="color:{point.color}">\u25CF</span> {series.name}: <b>{point.value}</b> ({point.beaufort})<br/>'
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},
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/**
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* Pixel length of the stems.
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*/
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vectorLength: 20,
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/**
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* Vertical offset from the cartesian position, in pixels. The default value
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* makes sure the symbols don't overlap the X axis when `onSeries` is
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* `null`, and that they don't overlap the linked series when `onSeries` is
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* given.
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*/
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yOffset: -20,
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/**
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* Horizontal offset from the cartesian position, in pixels. When the chart
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* is inverted, this option allows translation like
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* [yOffset](#plotOptions.windbarb.yOffset) in non inverted charts.
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*
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* @since 6.1.0
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*/
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xOffset: 0
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}, {
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pointArrayMap: ['value', 'direction'],
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parallelArrays: ['x', 'value', 'direction'],
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beaufortName: ['Calm', 'Light air', 'Light breeze',
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'Gentle breeze', 'Moderate breeze', 'Fresh breeze',
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'Strong breeze', 'Near gale', 'Gale', 'Strong gale', 'Storm',
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'Violent storm', 'Hurricane'],
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beaufortFloor: [0, 0.3, 1.6, 3.4, 5.5, 8.0, 10.8, 13.9, 17.2, 20.8,
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24.5, 28.5, 32.7],
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trackerGroups: ['markerGroup'],
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/**
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* Get presentational attributes.
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*/
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pointAttribs: function (point, state) {
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var options = this.options,
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stroke = point.color || this.color,
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strokeWidth = this.options.lineWidth;
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if (state) {
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stroke = options.states[state].color || stroke;
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strokeWidth =
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(options.states[state].lineWidth || strokeWidth) +
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(options.states[state].lineWidthPlus || 0);
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}
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return {
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'stroke': stroke,
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'stroke-width': strokeWidth
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};
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},
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markerAttribs: function () {
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return undefined;
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},
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getPlotBox: onSeriesMixin.getPlotBox,
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/**
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* Create a single wind arrow. It is later rotated around the zero
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* centerpoint.
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*/
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windArrow: function (point) {
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var knots = point.value * 1.943844,
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level = point.beaufortLevel,
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path,
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barbs,
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u = this.options.vectorLength / 20,
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pos = -10;
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if (point.isNull) {
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return [];
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}
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if (level === 0) {
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return this.chart.renderer.symbols.circle(
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-10 * u,
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-10 * u,
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20 * u,
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20 * u
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);
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}
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// The stem and the arrow head
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path = [
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'M', 0, 7 * u, // base of arrow
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'L', -1.5 * u, 7 * u,
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0, 10 * u,
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1.5 * u, 7 * u,
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0, 7 * u,
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0, -10 * u// top
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];
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// For each full 50 knots, add a pennant
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barbs = (knots - knots % 50) / 50; // pennants
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if (barbs > 0) {
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while (barbs--) {
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path.push(
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pos === -10 ? 'L' : 'M',
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0,
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pos * u,
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'L',
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5 * u,
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pos * u + 2,
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'L',
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0,
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pos * u + 4
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);
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// Substract from the rest and move position for next
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knots -= 50;
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pos += 7;
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}
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}
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// For each full 10 knots, add a full barb
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barbs = (knots - knots % 10) / 10;
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if (barbs > 0) {
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while (barbs--) {
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path.push(
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pos === -10 ? 'L' : 'M',
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0,
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pos * u,
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'L',
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7 * u,
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pos * u
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);
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knots -= 10;
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pos += 3;
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}
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}
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// For each full 5 knots, add a half barb
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barbs = (knots - knots % 5) / 5; // half barbs
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if (barbs > 0) {
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while (barbs--) {
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path.push(
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pos === -10 ? 'L' : 'M',
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0,
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pos * u,
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'L',
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4 * u,
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pos * u
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);
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knots -= 5;
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pos += 3;
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}
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}
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return path;
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},
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translate: function () {
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var beaufortFloor = this.beaufortFloor,
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beaufortName = this.beaufortName;
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onSeriesMixin.translate.call(this);
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each(this.points, function (point) {
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var level = 0;
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// Find the beaufort level (zero based)
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for (; level < beaufortFloor.length; level++) {
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if (beaufortFloor[level] > point.value) {
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break;
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}
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}
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point.beaufortLevel = level - 1;
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point.beaufort = beaufortName[level - 1];
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});
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},
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drawPoints: function () {
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var chart = this.chart,
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yAxis = this.yAxis,
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inverted = chart.inverted,
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shapeOffset = this.options.vectorLength / 2;
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each(this.points, function (point) {
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var plotX = point.plotX,
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plotY = point.plotY;
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// Check if it's inside the plot area, but only for the X dimension.
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if (chart.isInsidePlot(plotX, 0, false)) {
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// Create the graphic the first time
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if (!point.graphic) {
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point.graphic = this.chart.renderer
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.path()
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.add(this.markerGroup);
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}
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// Position the graphic
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point.graphic
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.attr({
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d: this.windArrow(point),
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translateX: plotX + this.options.xOffset,
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translateY: plotY + this.options.yOffset,
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rotation: point.direction
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})
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.attr(this.pointAttribs(point));
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} else if (point.graphic) {
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point.graphic = point.graphic.destroy();
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}
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// Set the tooltip anchor position
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point.tooltipPos = [
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plotX + this.options.xOffset + (inverted && !this.onSeries ?
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shapeOffset : 0),
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plotY + this.options.yOffset - (inverted ? 0 :
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shapeOffset + yAxis.pos - chart.plotTop)
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]; // #6327
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}, this);
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},
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/**
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* Fade in the arrows on initiating series.
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*/
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animate: function (init) {
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if (init) {
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this.markerGroup.attr({
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opacity: 0.01
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});
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} else {
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this.markerGroup.animate({
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opacity: 1
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}, H.animObject(this.options.animation));
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this.animate = null;
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}
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},
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/**
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* Don't invert the marker group (#4960)
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*/
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invertGroups: noop
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}, {
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isValid: function () {
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return H.isNumber(this.value) && this.value >= 0;
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}
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});
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/**
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* A `windbarb` series. If the [type](#series.windbarb.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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* @type {Object}
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* @extends series,plotOptions.windbarb
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* @excluding dataParser,dataURL
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* @product highcharts highstock
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* @apioption series.windbarb
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*/
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/**
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* An array of data points for the series. For the `windbarb` series type,
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* points can be given in the following ways:
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*
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* 1. An array of arrays with 3 values. In this case, the values correspond
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* to `x,value,direction`. If the first value is a string, it is applied as
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* the name of the point, and the `x` value is inferred.
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*
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* ```js
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* data: [
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* [Date.UTC(2017, 0, 1, 0), 3.3, 90],
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* [Date.UTC(2017, 0, 1, 1), 12.1, 180],
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* [Date.UTC(2017, 0, 1, 2), 11.1, 270]
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* ]
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* ```
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*
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* 2. An array of objects with named values. The objects are point
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* configuration objects as seen below. If the total number of data
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* points exceeds the series' [turboThreshold](#series.area.turboThreshold),
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* this option is not available.
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*
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* ```js
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* data: [{
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* x: Date.UTC(2017, 0, 1, 0),
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* value: 12.1,
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* direction: 90
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* }, {
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* x: Date.UTC(2017, 0, 1, 1),
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* value: 11.1,
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* direction: 270
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* }]
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* ```
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*
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* @type {Array<Object|Array|Number>}
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* @extends series.line.data
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* @sample {highcharts} highcharts/chart/reflow-true/
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* Numerical values
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* @sample {highcharts} highcharts/series/data-array-of-arrays/
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* Arrays of numeric x and y
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* @sample {highcharts} highcharts/series/data-array-of-arrays-datetime/
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* Arrays of datetime x and y
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* @sample {highcharts} highcharts/series/data-array-of-name-value/
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* Arrays of point.name and y
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* @sample {highcharts} highcharts/series/data-array-of-objects/
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* Config objects
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* @product highcharts highstock
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* @apioption series.windbarb.data
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*/
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/**
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* The wind speed in meters per second.
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*
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* @type {Number}
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* @product highcharts highstock
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* @apioption series.windbarb.data.value
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*/
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/**
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* The wind direction in degrees, where 0 is north (pointing towards south).
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*
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* @type {Number}
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* @product highcharts highstock
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* @apioption series.windbarb.data.direction
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*/
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}(Highcharts, onSeriesMixin));
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}));
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