lwpoint_locate_along()

static LWMPOINT* lwpoint_locate_along ( const LWPOINT *  lwpoint, double  m, double  offset  )

static

Definition at line 182 of file lwlinearreferencing.c.

References FP_EQUALS, lwgeom_get_srid(), lwgeom_has_m(), lwgeom_has_z(), lwmpoint_add_lwpoint(), lwmpoint_construct_empty(), lwpoint_as_lwgeom(), lwpoint_clone(), lwpoint_get_m(), and r.

Referenced by lwgeom_locate_along().

{
        double point_m = lwpoint_get_m(lwpoint);
        LWGEOM *lwg = lwpoint_as_lwgeom(lwpoint);
        LWMPOINT *r = lwmpoint_construct_empty(lwgeom_get_srid(lwg), lwgeom_has_z(lwg), lwgeom_has_m(lwg));
        if ( FP_EQUALS(m, point_m) )
        {
                lwmpoint_add_lwpoint(r, lwpoint_clone(lwpoint));
        }
        return r;
}

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