highcharts
Version:
JavaScript charting framework
62 lines (61 loc) • 2.1 kB
JavaScript
/* *
*
* (c) 2010-2020 Torstein Honsi
*
* Extension to the Series object in 3D charts.
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
;
import H from '../Globals.js';
import Math3D from '../../Extensions/Math3D.js';
var perspective = Math3D.perspective;
import U from '../Utilities.js';
var addEvent = U.addEvent, pick = U.pick;
import './Series.js';
/* eslint-disable no-invalid-this */
// Wrap the translate method to post-translate points into 3D perspective
addEvent(H.Series, 'afterTranslate', function () {
if (this.chart.is3d()) {
this.translate3dPoints();
}
});
// Translate the plotX, plotY properties and add plotZ.
H.Series.prototype.translate3dPoints = function () {
var series = this, chart = series.chart, zAxis = pick(series.zAxis, chart.options.zAxis[0]), rawPoints = [], rawPoint, projectedPoints, projectedPoint, zValue, i;
for (i = 0; i < series.data.length; i++) {
rawPoint = series.data[i];
if (zAxis && zAxis.translate) {
zValue = zAxis.logarithmic && zAxis.val2lin ?
zAxis.val2lin(rawPoint.z) :
rawPoint.z; // #4562
rawPoint.plotZ = zAxis.translate(zValue);
rawPoint.isInside = rawPoint.isInside ?
(zValue >= zAxis.min &&
zValue <= zAxis.max) :
false;
}
else {
rawPoint.plotZ = 0;
}
rawPoint.axisXpos = rawPoint.plotX;
rawPoint.axisYpos = rawPoint.plotY;
rawPoint.axisZpos = rawPoint.plotZ;
rawPoints.push({
x: rawPoint.plotX,
y: rawPoint.plotY,
z: rawPoint.plotZ
});
}
projectedPoints = perspective(rawPoints, chart, true);
for (i = 0; i < series.data.length; i++) {
rawPoint = series.data[i];
projectedPoint = projectedPoints[i];
rawPoint.plotX = projectedPoint.x;
rawPoint.plotY = projectedPoint.y;
rawPoint.plotZ = projectedPoint.z;
}
};