Unconnected Nodes

static/js/pw.js

@@ -67,6 +67,9 @@ function draw(pathway, elem) {
         const horizontalSpacing = 75; // horizontal space between nodes
         const depthMap = new Map();
 
+        // Avoid leaving unconnected Nodes leaving the viewport
+        nodes.forEach(node => {if (node.depth < 0)  node.depth = 0;});
+
         // Sort nodes by depth first to minimize crossings
         const sortedNodes = [...nodes].sort((a, b) => a.depth - b.depth);