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feat(pie): support specifying coordinate system for pie series. #17132

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Merged
plainheart merged 2 commits into from
Aug 14, 2022
Merged

feat(pie): support specifying coordinate system for pie series. #17132

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c1b6775
feat(pie): support specifying coordinate system for pie series.
plainheart May 28, 2022
a630782
feat(bmap): support `convertToPixel` & `convertFromPixel` API.
plainheart May 28, 2022
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14 changes: 14 additions & 0 deletions extension-src/bmap/BMapCoordSys.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,8 @@ function BMapCoordSys(bmap, api) {
this._projection = new BMap.MercatorProjection();
}

BMapCoordSys.prototype.type = 'bmap';

BMapCoordSys.prototype.dimensions = ['lng', 'lat'];

BMapCoordSys.prototype.setZoom = function (zoom) {
Expand Down Expand Up @@ -107,6 +109,15 @@ BMapCoordSys.prototype.prepareCustoms = function () {
};
};

BMapCoordSys.prototype.convertToPixel = function (ecModel, finder, value) {
// here we ignore finder as only one bmap component is allowed
return this.dataToPoint(value);
};

BMapCoordSys.prototype.convertFromPixel = function (ecModel, finder, value) {
return this.pointToData(value);
};

function dataToCoordSize(dataSize, dataItem) {
dataItem = dataItem || [0, 0];
return zrUtil.map([0, 1], function (dimIdx) {
Expand Down Expand Up @@ -229,6 +240,9 @@ BMapCoordSys.create = function (ecModel, api) {
seriesModel.coordinateSystem = bmapCoordSys;
}
});

// return created coordinate systems
return bmapCoordSys && [bmapCoordSys];
};

export default BMapCoordSys;
17 changes: 15 additions & 2 deletions src/chart/pie/pieLayout.ts
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Expand Up @@ -53,10 +53,23 @@ export function getBasicPieLayout(seriesModel: PieSeriesModel, api: ExtensionAPI
const width = parsePercent(viewRect.width, api.getWidth());
const height = parsePercent(viewRect.height, api.getHeight());
const size = Math.min(width, height);
const cx = parsePercent(center[0], width) + viewRect.x;
const cy = parsePercent(center[1], height) + viewRect.y;
const r0 = parsePercent(radius[0], size / 2);
const r = parsePercent(radius[1], size / 2);

let cx: number;
let cy: number;
const coordSys = seriesModel.coordinateSystem;
if (coordSys) {
// percentage is not allowed when coordinate system is specified
const point = coordSys.dataToPoint(center);
cx = point[0] || 0;
cy = point[1] || 0;
}
else {
cx = parsePercent(center[0], width) + viewRect.x;
cy = parsePercent(center[1], height) + viewRect.y;
}

return {
cx,
cy,
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