Index: trunk/src/plugins/rt_topo/crbs.c
===================================================================
--- trunk/src/plugins/rt_topo/crbs.c	(revision 1366)
+++ trunk/src/plugins/rt_topo/crbs.c	(revision 1367)
@@ -247,3 +247,31 @@
 
 	return 0;
 }
+
+void crbs_draw_routes(crbs_t *crbs, rtrnd_layer_t *ly_out, rtrnd_layer_t *ly_drw)
+{
+	grbs_line_t *l;
+	grbs_arc_t *a;
+	rtrnd_any_obj_t *o;
+	crbs_2net_t *ctn;
+
+	for(l = gdl_first(&crbs->grbs.all_lines); l != NULL; l = gdl_next(&crbs->grbs.all_lines, l)) {
+		ctn = l->user_data;
+		if ((ctn != NULL) && ctn->old) continue;
+		rtrnd_line_new(ly_drw, NULL, NULL, l->x1, l->y1, l->x2, l->y2, 0.2, 0);
+		if (ly_out != NULL) {
+			o = rtrnd_line_new(ly_out, NULL, NULL, l->x1, l->y1, l->x2, l->y2, rt_topo_cfg.wire_thick, 0);
+			rtrnd_res_add(crbs->ctx, o);
+		}
+	}
+
+	for(a = gdl_first(&crbs->grbs.all_arcs); a != NULL; a = gdl_next(&crbs->grbs.all_arcs, a)) {
+		if (!a->in_use) continue;
+		rtrnd_arc_new(ly_drw, NULL, NULL, a->parent_pt->x, a->parent_pt->y, a->r, a->sa, a->da, 0.2, 0);
+		if (ly_out != NULL) {
+			o = rtrnd_arc_new(ly_out, NULL, NULL, a->parent_pt->x, a->parent_pt->y, a->r, a->sa, a->da, rt_topo_cfg.wire_thick, 0);
+			rtrnd_res_add(crbs->ctx, o);
+		}
+	}
+}
+
Index: trunk/src/plugins/rt_topo/crbs.h
===================================================================
--- trunk/src/plugins/rt_topo/crbs.h	(revision 1366)
+++ trunk/src/plugins/rt_topo/crbs.h	(revision 1367)
@@ -29,6 +29,7 @@
 	grbs_2net_t *gtn;
 	unsigned int ripped_up; /* how many times this net got ripped up */
 	unsigned coll:1;        /* collided with current routing effort */
+	unsigned old:1;         /* virtual 2-net for an old object that already existed on load */
 	gdl_elem_t link;
 } crbs_2net_t;
 
Index: trunk/src/plugins/rt_topo/crbs_cdt.c
===================================================================
--- trunk/src/plugins/rt_topo/crbs_cdt.c	(revision 1366)
+++ trunk/src/plugins/rt_topo/crbs_cdt.c	(revision 1367)
@@ -45,6 +45,7 @@
 		tn->user_data = ctn; \
 		ctn->tn = NULL; \
 		ctn->net = obj->hdr.net; \
+		ctn->old = 1; \
 		gl = grbs_line_realize(&crbs->grbs, tn, cp1->gpt, cp2->gpt); \
 		gl->user_data = ctn; \
 	} \
Index: trunk/src/plugins/rt_topo/crbs_route.c
===================================================================
--- trunk/src/plugins/rt_topo/crbs_route.c	(revision 1366)
+++ trunk/src/plugins/rt_topo/crbs_route.c	(revision 1367)
@@ -618,7 +618,7 @@
 	vtp0_append(&annot, &ly_route);
 
 /* TODO */
-/*	crbs_draw_routes(crbs, (res == 0) ? ly : NULL, &ly_route);*/
+	crbs_draw_routes(crbs, (res == 0) ? ly : NULL, &ly_route);
 
 	rt_topo_crbs_cdt_draw(ctx, &ly_cdt2, &crbs->cdt);