Python使用XML操作mapnik,实现复杂标注（Multi line text symbolizer）
test.pyimport mapniknstylesheet = ‘world_style.xml’nimage = ‘world_style.png’nm = mapnik.Map(1200, 800)nmapnik.load_map(m, stylesheet)nm.zoom_all() nmapnik.render_to_file(m, image)nprint “rendered imag