How Pixels, Tiles, and Map Coordinates are Transformed

The following sections provide background information on the underlying process used by the Map Tiling Interface methods to perform transformations between pixels, tiles and coordinate systems. These transformations enable applications to return, pan, zoom, and display the appropriate tile.

The Map Tiling Interface methods convertScreenToMapCoord, convertScreenToTileCoord, convertMapToVirtualPixelCoord and convertMapToTileCoord provide a much easier way to perform the transformations described in the following sections. For information on these methods, see convertScreenToMapCoord, convertScreenToTileCoord, convertMapToVirtualPixelCoord and convertMapToTileCoord.