setMapTileOpacity :: Scf -> RenderMTilesProgram -> RenderMTilesProgram
setMapTileOpacity o p = p { rmtTexOpacity = o}
setMapTileOpacity :: Scf -> RenderMTilesProgram -> RenderMTilesProgram
setMapTileOpacity o p = p { rmtTexOpacity = o}
setMapTileOpacity o p = p { rmtTexOpacity = o}