linestring_from_pa()

static LWGEOM* linestring_from_pa ( const POINTARRAY *  pa, int  srid, int  start, int  end  )

static

Definition at line 842 of file lwstroke.c.

References getPoint4d_p(), LWDEBUGF, lwline_as_lwgeom(), lwline_construct(), ptarray_construct(), ptarray_has_m(), ptarray_has_z(), and ptarray_set_point4d().

Referenced by geom_from_pa().

{
        int i = 0, j = 0;
        POINT4D p;
        POINTARRAY *pao = ptarray_construct(ptarray_has_z(pa), ptarray_has_m(pa), end-start+2);
        LWDEBUGF(4, "srid=%d, start=%d, end=%d", srid, start, end);
        for( i = start; i < end + 2; i++ )
        {
                getPoint4d_p(pa, i, &p);
                ptarray_set_point4d(pao, j++, &p);
        }
        return lwline_as_lwgeom(lwline_construct(srid, NULL, pao));
}

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