public static function getPixelOffsetInTile($lat, $lng, $zoom)
{
$pixelCoords = GoogleMapUtility::toZoomedPixelCoords($lat, $lng, $zoom);
return new GoogleMapPoint($pixelCoords->x % GoogleMapUtility::$TILE_SIZE, $pixelCoords->y % GoogleMapUtility::$TILE_SIZE);
}
protected function lngLatToPixels($lngLatPoints)
{
GoogleMapUtility::$TILE_SIZE = $this->tileSize;
// points contain simple array of x,y,x,y,...
$pointlist = array();
$pointcount = 0;
foreach ($lngLatPoints as $coords) {
$lng = $coords[0];
$lat = $coords[1];
$relativePixelPoint = GoogleMapUtility::toZoomedPixelCoords($lat, $lng, $this->zoom);
$pointlist[] = $absolutePixelX = $relativePixelPoint->x - $this->tileSize * $this->pixelX + $this->offsetX;
$pointlist[] = $absolutePixelY = $relativePixelPoint->y - $this->tileSize * $this->pixelY + $this->offsetY;
$pointcount++;
}
return $pointlist;
}
