- Real linethickness = me->get_paper ()->get_dimension (ly_symbol2scm ("linethickness"));
- Real blotdiameter = me->get_paper ()->get_dimension (ly_symbol2scm ("blotdiameter"));
- Interval x_extent = 0.5 * Interval (-linethickness, +linethickness);
- Interval y_extent = 0.5 * Interval (pmin, pmax);
+ Real linethickness = me->layout ()->get_dimension (ly_symbol2scm ("line-thickness"))
+ * robust_scm2double (me->get_property ("thickness"), 1.0);
+ Real blotdiameter = me->layout ()->get_dimension (ly_symbol2scm ("blot-diameter"));
+ Interval x_extent = 0.5 * linethickness * Interval (-1, 1);
+ Interval y_extent = Interval (pmin, pmax);