ptarray_copy_point()

void ptarray_copy_point	(	POINTARRAY *	pa,
		uint32_t	from,
		uint32_t	to
	)

Definition at line 395 of file lwgeom_api.c.

{
        int ndims = FLAGS_NDIMS(pa->flags);
        switch (ndims)
        {
                case 2:
                {
                        POINT2D *p_from = (POINT2D*)(getPoint_internal(pa, from));
                        POINT2D *p_to = (POINT2D*)(getPoint_internal(pa, to));
                        *p_to = *p_from;
                        return;
                }
                case 3:
                {
                        POINT3D *p_from = (POINT3D*)(getPoint_internal(pa, from));
                        POINT3D *p_to = (POINT3D*)(getPoint_internal(pa, to));
                        *p_to = *p_from;
                        return;
                }
                case 4:
                {
                        POINT4D *p_from = (POINT4D*)(getPoint_internal(pa, from));
                        POINT4D *p_to = (POINT4D*)(getPoint_internal(pa, to));
                        *p_to = *p_from;
                        return;
                }
                default:
                {
                        lwerror("%s: unsupported number of dimensions - %d", __func__, ndims);
                        return;
                }
        }
        return;
}

References POINTARRAY::flags, FLAGS_NDIMS, getPoint_internal(), and lwerror().

Referenced by lwgeom_remove_repeated_points_in_place(), and lwgeom_simplify_in_place().

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