Comments (1)
Thanks !
We must check the shp spec to see if it can support empty geometry.
Here a unit test for H2GIS
@Test
public void exportImportEmptyGeometry() throws SQLException {
Statement stat = connection.createStatement();
stat.execute("DROP TABLE IF EXISTS GEOTABLE");
stat.execute("create table GEOTABLE(idarea int primary key, the_geom GEOMETRY(POINT))");
stat.execute("insert into GEOTABLE values(1, 'POINT (0 0)'::GEOMETRY),(2, 'POINT EMPTY'::GEOMETRY);");
// Create a shape file using table area
stat.execute("CALL SHPWrite('target/points_withempty.shp', 'GEOTABLE', true)");
stat.execute("CALL SHPRead('target/points_withempty.shp', 'IMPORT_GEOTABLE')");
ResultSet res = stat.executeQuery("SELECT THE_GEOM FROM IMPORT_GEOTABLE ORDER BY idarea;");
res.next();
assertGeometryEquals("POINT(0 0)", res.getObject(1));
res.next();
assertTrue( ((Geometry)res.getObject(1)).isEmpty());
res.close();
}
from h2gis.
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