}

// tileCacheKey returns the cache key for the tile.
func (c *Client) tileCacheKey(tile tlog.Tile) string {
	return c.name + "/" + tile.Path()
}

// tileRemotePath returns the remote path for the tile.
func (c *Client) tileRemotePath(tile tlog.Tile) string {
	return "/" + tile.Path()
}

// readTile reads a single tile, either from the on-disk cache or the server.