摘要：
1、spatialite操作手册：http://www.gaia-gis.it/spatialite-2.1/SpatiaLite-manual.htmlspatialite支持的格式：Well-Known Text (WKT) formatWell-Known Binary (WKB) formatInternal BLOB format [the one used by SpatiaLite to store geometries in SQLite columns]SELECT AsText(geometry) FROM table;这就把数据读取出来2、GeometryEngine 参 阅读全文
