lwpointiterator_create_rw()

LWPOINTITERATOR * lwpointiterator_create_rw ( LWGEOM *  g )

extern

Create a new LWPOINTITERATOR over supplied LWGEOM* Supports modification of coordinates during iteration.

Definition at line 252 of file lwiterator.c.

{
        LWPOINTITERATOR* it = lwalloc(sizeof(LWPOINTITERATOR));
 
        it->geoms = NULL;
        it->pointarrays = NULL;
        it->i = 0;
        it->allow_modification = LW_TRUE;
 
        add_lwgeom_to_stack(it, g);
        lwpointiterator_advance(it);
 
        return it;
}

References add_lwgeom_to_stack(), LWPOINTITERATOR::allow_modification, LWPOINTITERATOR::geoms, LWPOINTITERATOR::i, LW_TRUE, lwalloc(), lwpointiterator_advance(), and LWPOINTITERATOR::pointarrays.

Referenced by lwgeom_trim_bits_in_place(), lwpointiterator_create(), rt_raster_copy_to_geometry(), test_mixed_rw_access(), and test_modification().

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