随笔分类 - Data Management

摘要：MongoDB2.4开始支持空间数据点线面的索引，本文依照MongoDB中的2dsphere中要求的格式，把空间点，线从GeoDataBase中转行到MongoDB中。阅读全文

posted @ 2013-07-19 12:20 rovoqo 阅读(446) 评论(0) 推荐(0)

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

posted @ 2013-03-31 10:49 rovoqo 阅读(1150) 评论(0) 推荐(0)