From d7416434bf9c869e26a96c5503252665ca98bc84 Mon Sep 17 00:00:00 2001
From: "Anthony J. Thibault" <tony@highfidelity.io>
Date: Mon, 26 Jun 2017 11:38:24 -0700
Subject: [PATCH] added tool to visualize avatar-animation.json using graphviz.

---
 tools/avatar-json-to-dot.js | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 tools/avatar-json-to-dot.js

diff --git a/tools/avatar-json-to-dot.js b/tools/avatar-json-to-dot.js
new file mode 100644
index 0000000000..fcd75a99c1
--- /dev/null
+++ b/tools/avatar-json-to-dot.js
@@ -0,0 +1,27 @@
+// usage:
+//   node avatar-json-to-dot.js /path/to/avatar-animaton.json > out.dot
+//
+// Then if you have graphviz installed you can run the following command to generate a png.
+//   dot -Tpng out.dot > out.png
+
+var fs = require('fs');
+var filename = process.argv[2];
+
+function dumpNodes(node) {
+    node.children.forEach(function (child) {
+        console.log('    ' + node.id + ' -> ' + child.id + ';');
+        dumpNodes(child);
+    });
+}
+
+fs.readFile(filename, 'utf8', function (err, data) {
+    if (err) {
+        console.log('error opening ' + filename + ', err = ' + err);
+    } else {
+        var graph = JSON.parse(data);
+        console.log('digraph graphname {');
+        console.log('    rankdir = "LR";');
+        dumpNodes(graph.root);
+        console.log('}');
+    }
+});