+ _canvas_separator = new ArdourCanvas::Line(_canvas_display);
+ CANVAS_DEBUG_NAME (_canvas_separator, "separator for TAV");
+ _canvas_separator->set (ArdourCanvas::Duple(0.0, 0.0), ArdourCanvas::Duple(ArdourCanvas::COORD_MAX, 0.0));
+ _canvas_separator->set_outline_color(ArdourCanvas::rgba_to_color (0, 0, 0, 1.0));
+ _canvas_separator->set_outline_width(1.0);
+ _canvas_separator->hide();
+