Index: trunk/src/plugins/rt_topo/crbs.c
===================================================================
--- trunk/src/plugins/rt_topo/crbs.c	(revision 1361)
+++ trunk/src/plugins/rt_topo/crbs.c	(revision 1362)
@@ -196,10 +196,10 @@
 	if (f == NULL)
 		return -1;
 
-	grbs_svg_begin(&crbs->grbs, f);
-	grbs_svg_draw_points(&crbs->grbs, f);
-	grbs_svg_draw_wires(&crbs->grbs, f);
-	grbs_svg_end(&crbs->grbs, f);
+	grbs_draw_begin(&crbs->grbs, f);
+	grbs_draw_points(&crbs->grbs, f);
+	grbs_draw_wires(&crbs->grbs, f);
+	grbs_draw_end(&crbs->grbs, f);
 
 	fclose(f);
 
@@ -213,8 +213,8 @@
 	if (f == NULL)
 		return -1;
 
-	grbs_svg_dump_points(&crbs->grbs, f);
-	grbs_svg_dump_wires(&crbs->grbs, f);
+	grbs_dump_points(&crbs->grbs, f);
+	grbs_dump_wires(&crbs->grbs, f);
 
 	fclose(f);
 
Index: trunk/src/plugins/rt_topo/crbs_cdt.c
===================================================================
--- trunk/src/plugins/rt_topo/crbs_cdt.c	(revision 1361)
+++ trunk/src/plugins/rt_topo/crbs_cdt.c	(revision 1362)
@@ -122,9 +122,9 @@
 
 	if (crbs->enable_mid_virt) {
 		vtd0_t np = {0};
-		double minlen2 = (rt_topo_cfg.wire_thick + rt_topo_cfg.wire_clr/2) * 16; /* minimum length of an edge to split */
+		double minlen2, minlen = (rt_topo_cfg.wire_thick + rt_topo_cfg.wire_clr/2) * 16; /* minimum length of an edge to split */
 
-		minlen2 = minlen2 * minlen2;
+		minlen2 = minlen * minlen;
 
 		for(n = 0; n < cdt->edges.used; n++) {
 			double len;
@@ -138,8 +138,21 @@
 			dy = e->endp[0]->pos.y - e->endp[1]->pos.y;
 			len2 = dx*dx + dy*dy;
 			if (len2 > minlen2) {
-				vtd0_append(&np, (e->endp[0]->pos.x + e->endp[1]->pos.x)/2);
-				vtd0_append(&np, (e->endp[0]->pos.y + e->endp[1]->pos.y)/2);
+				long i;
+				int bad = 0;
+				double x = (e->endp[0]->pos.x + e->endp[1]->pos.x)/2, y = (e->endp[0]->pos.y + e->endp[1]->pos.y)/2;
+
+				/* avoid multiple splits too close */
+				for(i = 0; i < np.used; i++) {
+					if ((fabs(x - np.array[i]) < minlen) && (fabs(y - np.array[i+1]) < minlen)) {
+						bad = 1;
+						break;
+					}
+				}
+				if (!bad) {
+					vtd0_append(&np, x);
+					vtd0_append(&np, y);
+				}
 			}
 		}
 #warning TODO: this should be 0,0 for copper and clearance once grbs supports convex implicit attachments
Index: trunk/src/plugins/rt_topo/crbs_route.c
===================================================================
--- trunk/src/plugins/rt_topo/crbs_route.c	(revision 1361)
+++ trunk/src/plugins/rt_topo/crbs_route.c	(revision 1362)
@@ -551,6 +551,7 @@
 		return 0; /* nothing to rip up */
 
 	printf(" ripping up %s\n", best->tn->net->hdr.oid);
+	printf("GT 2net_del %s\n", best->tn->net->hdr.oid);
 
 	sprintf(tmp, "3_GRBS_routed_%d_rip1.svg", cnt_grbs);
 	crbs_grbs_draw(crbs, tmp);