球的生成算法。

example/package.json

@@ -1,7 +1,7 @@
 {
-  "name": "react-stock-heatmap-example",
+  "name": "heatmap",
   "homepage": ".",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "private": true,
   "main": "main.js",
   "scripts": {

src/index.js

@@ -676,7 +676,7 @@ export default class StockHeatmap extends React.Component {
         let trade_color = d3.color(marketDepth.side == 'sell' ? '#cc5040' : '#44c98b').rgb();
         trade_color.opacity = 0.7;
         this.drawingContext.fillStyle = trade_color.toString();
-        const r = /*xh2*/ Math.min(this.defaults.volumeCircleMaxRadius * (+marketDepth.lastTradedQty / avgTradedVolume) + 10, 50);
+        const r = 50 - 45 * (2.71 ** (-0.01 * (+marketDepth.lastTradedQty / avgTradedVolume)))
         this.drawingContext.beginPath();
         this.drawingContext.arc(
           this.xScale(ts) + xh2,