zoom limits

js/threeView.js

@@ -58,6 +58,8 @@ function initThreeView(globals) {
         controls.noPan = true;
         controls.staticMoving = true;
         controls.dynamicDampingFactor = 0.3;
+        controls.minDistance = 1;
+	    controls.maxDistance = 13;
         // controls.addEventListener("change", render);
 
         _render();//render before model loads