lwcollection_ngeoms()

int lwcollection_ngeoms ( const LWCOLLECTION *  col )

extern

Definition at line 319 of file lwcollection.c.

{
        uint32_t i;
        int ngeoms = 0;
 
        if ( ! col )
        {
                lwerror("Null input geometry.");
                return 0;
        }
 
        for ( i = 0; i < col->ngeoms; i++ )
        {
                if ( col->geoms[i])
                {
                        switch (col->geoms[i]->type)
                        {
                        case POINTTYPE:
                        case LINETYPE:
                        case CIRCSTRINGTYPE:
                        case POLYGONTYPE:
                                ngeoms += 1;
                                break;
                        case MULTIPOINTTYPE:
                        case MULTILINETYPE:
                        case MULTICURVETYPE:
                        case MULTIPOLYGONTYPE:
                                ngeoms += col->ngeoms;
                                break;
                        case COLLECTIONTYPE:
                                ngeoms += lwcollection_ngeoms((LWCOLLECTION*)col->geoms[i]);
                                break;
                        }
                }
        }
        return ngeoms;
}

References CIRCSTRINGTYPE, COLLECTIONTYPE, LWCOLLECTION::geoms, LINETYPE, lwcollection_ngeoms(), lwerror(), MULTICURVETYPE, MULTILINETYPE, MULTIPOINTTYPE, MULTIPOLYGONTYPE, LWCOLLECTION::ngeoms, POINTTYPE, POLYGONTYPE, and LWGEOM::type.

Referenced by lwcollection_ngeoms().

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