Refactor: Extract functions

examples/js/src/neighbourSampling-papaparsing/otherAlgo.js

@@ -0,0 +1,43 @@
+/**
+ * Initialize the t-SNE algorithm and start simulation.
+*/
+function starttSNE() {
+  springForce = false;
+  simulation.stop();
+  p1 = performance.now();
+
+  simulation
+    .alphaDecay(1 - Math.pow(0.001, 1 / ITERATIONS))
+    .force(forceName, d3.tSNE()
+      // Set the parameter for the algorithm (optional).
+      .perplexity(PERPLEXITY)
+      .learningRate(LEARNING_RATE)
+      // The distance function that will be used to calculate distances
+      //  between nodes.
+      .distance(function (s, t) {
+        return distanceFunction(s, t, props, norm) * MULTIPLIER;
+      }));
+  // Restart the simulation.
+  console.log(simulation.force(forceName).perplexity(), simulation.force(forceName).learningRate());
+  simulation.alpha(1).restart();
+}
+
+/**
+ * Initialize the Barnes-Hut algorithm and start simulation.
+*/
+function startBarnesHutSimulation() {
+  springForce = false;
+  simulation.stop();
+  p1 = performance.now();
+
+  simulation
+    .alphaDecay(1 - Math.pow(0.001, 1 / ITERATIONS))
+    .force(forceName, d3.forceBarnesHut()
+      // The distance function that will be used to calculate distances
+      //  between nodes.
+      .distance(function (s, t) {
+        return distanceFunction(s, t, props, norm) * MULTIPLIER;
+      }));
+  // Restart the simulation.
+  simulation.alpha(1).restart();
+}