private void drawTile(GL gl, Camera camera, MeshTile tile) {
TileKey key = tile.getTileKey();
ElevationMesh mesh = (ElevationMesh) this.cache.getObject(key);
if (mesh == null && !this.cache.contains(key)) {
BufferWrapperRaster raster = this.readTileRaster(tile);
mesh = this.createMesh(tile, raster, this.verticalOffset, this.verticalScale);
long size = (mesh != null) ? mesh.getSizeInBytes() : 1L;
this.cache.add(key, mesh, size);
}
if (mesh != null) mesh.render(gl, camera);
}
