lwcollection_locate_between_m()

static LWGEOM * lwcollection_locate_between_m ( LWCOLLECTION *  lwcoll, double  m0, double  m1  )

static

Definition at line 629 of file lwgeom_functions_lrs.c.

{
        uint32_t i;
        int ngeoms=0;
        LWGEOM **geoms;
 
        POSTGIS_DEBUGF(2, "lwcollection_locate_between_m called for lwcoll %p", lwcoll);
 
        geoms=lwalloc(sizeof(LWGEOM *)*lwcoll->ngeoms);
        for (i=0; i<lwcoll->ngeoms; i++)
        {
                LWGEOM *sub=lwgeom_locate_between_m(lwcoll->geoms[i],
                                                    m0, m1);
                if ( sub != NULL )
                        geoms[ngeoms++] = sub;
        }
 
        if ( ngeoms == 0 ) return NULL;
 
        return (LWGEOM *)lwcollection_construct(COLLECTIONTYPE,
                                                lwcoll->srid, NULL, ngeoms, geoms);
}

References COLLECTIONTYPE, LWCOLLECTION::geoms, lwalloc(), lwcollection_construct(), lwgeom_locate_between_m(), LWCOLLECTION::ngeoms, and LWCOLLECTION::srid.

Referenced by lwgeom_locate_between_m().

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