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How to select the geometry type in ogrinfo?
The OGR_GEOMETRY special field represents the geometry type returned by OGRGeometry::getGeometryName () and can be used to distinguish the various types. By using this field one can select particular types of the geometries like: ogrinfo -sql “select * from test” test.shp INFO: Open of `test.shp’ using driver `ESRI Shapefile’ successful.
What is the name of the geometry in OGR?
So the name of the geometry is “OGR_GEOMETRY” for the OGR SQL and either “GEOMETRY” or the real name that is used in the datasource for the SQLite SQL dialect. The best thing is to read the documentation, which is now here: https://gdal.org/user/ogr_sql_dialect.html
How to find all intersects of polygons using T-SQL functions?
How can I find all intersects of polygons using T-SQL functions with more high performance? Is there are any function which help to find intersections without iteration and without comparison each polygon with each Or any sample how to do it. Can anyone help me?
How to ask a SQL Server geometry question?
Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience. To learn more, see our tips on writing great answers. Not the answer you’re looking for? Browse other questions tagged sql-server geometry polygon spatial or ask your own question.
How does the ogrinfo program in GDAL work?
The ogrinfo program lists various information about an OGR-supported data source to stdout (the terminal). By executing SQL statements it is also possible to edit data. Open the data source in read-only mode.
What happens if no layer names are passed in ogrinfo?
If no layer names are passed then ogrinfo will report a list of available layers (and their layer wide geometry type). If layer name (s) are given then their extents, coordinate system, feature count, geometry type, schema and all features matching query parameters will be reported to the terminal.
Where does the wildcard go in ogrinfo SQL?
It can be explicitly specified in the result column list of a SELECT, and is automatically selected if the wildcard is used.