feature: vor und nachteile

praesentation/node_modules/d3-shape/src/symbol/plus.js

@@ -0,0 +1,11 @@
+import {min, sqrt} from "../math.js";
+
+export default {
+  draw(context, size) {
+    const r = sqrt(size - min(size / 7, 2)) * 0.87559;
+    context.moveTo(-r, 0);
+    context.lineTo(r, 0);
+    context.moveTo(0, r);
+    context.lineTo(0, -r);
+  }
+};