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2022-05-31 16:21:53 -04:00
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+/* ------------------------------------------------------------------------------
+ *
+ *  # D3.js - weighted Venn diagram
+ *
+ *  Venn diagram demo with weights
+ *
+ *  Version: 1.0
+ *  Latest update: August 1, 2015
+ *
+ * ---------------------------------------------------------------------------- */
+
+$(function () {
+
+
+    // Data set
+    // ------------------------------
+
+    // Circles
+    var sets = [{label: "0", size: 7000},
+               {label: "1", size: 7000},
+               {label: "2", size: 2000},
+               {label: "3", size: 11000},
+               {label: "4", size: 11000}];
+
+    // Overlaps
+    var overlaps = [{id: 1, sets: [2,0], size: 300},
+                   {id: 2, sets: [2,1], size: 300},
+                   {id: 4, sets: [2,3], size: 100},
+                   {id: 5, sets: [2,4], size: 100},
+                   {sets: [0,0], size: 0, weight: 1e-10},
+                   {sets: [0,1], size: 0, weight: 1e-10},
+                   {sets: [0,3], size: 0, weight: 1e-10},
+                   {sets: [0,4], size: 0, weight: 1e-10},
+                   {sets: [1,0], size: 0, weight: 1e-10},
+                   {sets: [1,1], size: 0, weight: 1e-10},
+                   {sets: [1,3], size: 0, weight: 1e-10},
+                   {sets: [1,4], size: 0, weight: 1e-10},
+                   {sets: [3,0], size: 0, weight: 1e-10},
+                   {sets: [3,1], size: 0, weight: 1e-10},
+                   {sets: [3,3], size: 0, weight: 1e-10},
+                   {sets: [3,4], size: 0, weight: 1e-10},
+                   {sets: [4,0], size: 0, weight: 1e-10},
+                   {sets: [4,1], size: 0, weight: 1e-10},
+                   {sets: [4,3], size: 0, weight: 1e-10},
+                   {sets: [4,4], size: 0, weight: 1e-10}];
+
+
+    // Initialize chart
+    // ------------------------------
+
+    // Colors
+    var colours = d3.scale.category10();
+
+
+    // Bind data
+    sets = venn.venn(sets, overlaps);
+
+
+    // Draw diagram
+    var diagram = venn.drawD3Diagram(d3.select("#d3-venn-weighted"), sets, 350, 350);
+
+
+    // Circle styles
+    diagram.circles
+        .style("fill-opacity", .7)
+        .style("stroke-opacity", 0)
+        .style("fill", function(d,i) { return colours(i); })
+        .style("stroke", function(d,i) { return colours(i); });
+
+
+    // Text styles
+    diagram.text
+        .style("fill", "white")
+        .style("font-weight", "500");
+});