title: How to get screen XY from Google maps (V3) LatLng?
body: <p>I have polyline in my map. I want to know the pixel (screen) xy-coordinates, when user clicks the polyline. Click event only returns the LatLng object, so does anyone have a clue how to get the pixel coordinates from latLng?</p>
  
  <p>I would appreciate very much if someone could help me! </p>