def _init_glyph(self, plot, mapping, properties):
tile_source = mapping['<STR_LIT>']<EOL>level = properties.pop('<STR_LIT>', '<STR_LIT>')<EOL>renderer = plot.add_tile(tile_source, level=level)<EOL>renderer.alpha = properties.get('<STR_LIT>', <NUM_LIT:1>)<EOL>plot.tools = [t for t in plot.tools if not isinstance(t, SaveTool)]<EOL>return renderer, tile_source<EOL>
Returns a Bokeh glyph object.