public int latitudeToUnscaledY(double latitude) {
    double factor = (latitude - mNorth) / mDistanceLatitude;
    return (int) (mPixelHeight * factor);
  }
Translate latitude coordinate to a y pixel value, without considering scale

@param latitude The latitude.
@return The pixel value.
tileview/src/main/java/com/moagrius/tileview/plugins/CoordinatePlugin.java