读取shp文件,显示边界盒和文件长度,每个点的坐标-read AutoCAD documents, border box and the length of documents, the coordinates of each point

读取arcgis shp文件 ，mapinfo tab文件代码等，通过OGR也可以访问数据库表；进行属性查询，空间查询等-Read arcgis AutoCAD files, MapInfo TAB file code, OGR can also access a database table attribute query, spatial query

利用gdal库读取矢量文件（shp，dxf等）-Read vector files (shp, dxf, etc.) using Gdal library