Hi Khun San Aung, Please check this link. http://thematicmapping.org/playground/openlayers_piecharts_geojson_google_chart.php Aditya Kumar ----- GIS Developer -- View this message in context: http://osgeo-org.1560.x6.nabble.com/Pie-Chart-Symbol-tp5128956p5128957.html Sent from the OpenLayers Users mailing list archive at Nabble.com.