fires event when point added

lib/torque/renderer/point.js

@@ -276,6 +276,7 @@ var Filters = require('./torque_filters');
              var x = tile.x[posIdx]- (sp.width >> 1) + anchor;
              var y = tileMax - tile.y[posIdx] + anchor; // flip mercator
              ctx.drawImage(sp, x, y - (sp.height >> 1));
+             this.fire("pointAdded", {x: pos.x + x, y: pos.y + y, value: c});
            }
           }
         }