@visactor/vchart
Version:
charts lib based @visactor/VGrammar
37 lines (33 loc) • 1.61 kB
JavaScript
import { computeRatio, getInnerMostElements } from "./utils";
import { isEmpty, maxInArray, minInArray } from "@visactor/vutils";
const computeInnerAngleRange = (elements, startAngle, endAngle) => {
if (isEmpty(elements)) return [ startAngle, endAngle ];
return [ minInArray(elements.map((m => 1 * m.getGraphicAttribute("startAngle", !1)))), maxInArray(elements.map((m => 1 * m.getGraphicAttribute("endAngle", !1)))) ];
};
export const sunburstEnter = params => ({
channel: {
startAngle: {
from: (d, element) => {
const {startAngle: startAngle, endAngle: endAngle} = params.animationInfo(), innerElements = getInnerMostElements(element), angleRange = computeInnerAngleRange(innerElements, startAngle, endAngle);
return computeRatio(d.startAngle, angleRange) * (endAngle - startAngle) + startAngle;
},
to: d => d.startAngle
},
endAngle: {
from: (d, element) => {
const {startAngle: startAngle, endAngle: endAngle} = params.animationInfo(), innerElements = getInnerMostElements(element), angleRange = computeInnerAngleRange(innerElements, startAngle, endAngle);
return computeRatio(d.endAngle, angleRange) * (endAngle - startAngle) + startAngle;
},
to: d => d.endAngle
},
outerRadius: {
from: d => d.innerRadius,
to: d => d.outerRadius
},
innerRadius: {
from: d => d.innerRadius,
to: d => d.innerRadius
}
}
});
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