Index: trunk/src/plugins/rt_topo/crbs.h
===================================================================
--- trunk/src/plugins/rt_topo/crbs.h	(revision 1486)
+++ trunk/src/plugins/rt_topo/crbs.h	(revision 1487)
@@ -54,7 +54,6 @@
 	htad_t addrs;
 
 	unsigned disable_vconcave:1;  /* when set to 1, so not do the virtual-concave optimization */
-	unsigned enable_mid_virt:1;   /* when set to 1, insert a virtual point in between any two real points in the original cdt; this allows convex-only routing to emulate concave in corridors */
 
 	/* routing */
 	grbs_detached_addr_t *first;  /* the address the twonet is starting from */
Index: trunk/src/plugins/rt_topo/crbs_cdt.c
===================================================================
--- trunk/src/plugins/rt_topo/crbs_cdt.c	(revision 1486)
+++ trunk/src/plugins/rt_topo/crbs_cdt.c	(revision 1487)
@@ -146,47 +146,6 @@
 				;
 		}
 	}
-
-	if (crbs->enable_mid_virt) {
-		vtd0_t np = {0};
-		double minlen2, minlen = (rt_topo_cfg.wire_thick + rt_topo_cfg.wire_clr/2) * 16; /* minimum length of an edge to split */
-
-		minlen2 = minlen * minlen;
-
-		for(n = 0; n < cdt->edges.used; n++) {
-			edge_t *e = cdt->edges.array[n];
-			double dx, dy, len2;
-			
-			if (e->is_constrained)
-				continue;
-
-			dx = e->endp[0]->pos.x - e->endp[1]->pos.x;
-			dy = e->endp[0]->pos.y - e->endp[1]->pos.y;
-			len2 = dx*dx + dy*dy;
-			if (len2 > minlen2) {
-				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
-		for(n = 0; n < np.used; n+=2)
-			crbs_make_point(crbs, np.array[n], np.array[n+1], rt_topo_cfg.wire_thick/2, rt_topo_cfg.wire_clr, NULL, NULL);
-		vtd0_uninit(&np);
-	}
-
 }
 
 void rt_topo_crbs_cdt_create_edges(rtrnd_t *ctx, rtrnd_layer_t *ly, crbs_t *crbs)
Index: trunk/src/plugins/rt_topo/crbs_route.c
===================================================================
--- trunk/src/plugins/rt_topo/crbs_route.c	(revision 1486)
+++ trunk/src/plugins/rt_topo/crbs_route.c	(revision 1487)
@@ -723,7 +723,6 @@
 
 	memset(&crbs, 0, sizeof(crbs_t));
 	crbs.disable_vconcave = 0;
-	crbs.enable_mid_virt = rt_topo_cfg.mid_virt;
 	crbs_init(&crbs, ctx);
 
 	rt_topo_crbs_cdt_init(ctx, &crbs);
Index: trunk/src/plugins/rt_topo/rt_topo.c
===================================================================
--- trunk/src/plugins/rt_topo/rt_topo.c	(revision 1486)
+++ trunk/src/plugins/rt_topo/rt_topo.c	(revision 1487)
@@ -43,8 +43,7 @@
 	RTRND_CONF_COORD("wire_clr",          0.20, 0.01, 10, "clearance around signal wire", &rt_topo_cfg.wire_clr)
 	RTRND_CONF_COORD("via_dia",           1.2,  0.01, 10, "via copper ring outer diameter", &rt_topo_cfg.via_dia)
 	RTRND_CONF_COORD("via_clr",           0.20, 0.01, 10, "clearance around via copper", &rt_topo_cfg.via_clr)
-	RTRND_CONF_DOUBLE("beta",             50,   0, 100,   "via vs. wire length preference; high value = short wires, low value = less vias", &rt_topo_cfg.beta)
-	RTRND_CONF_BOOLEAN("mid_virt",        0,              "split long triangulation edges in half by inserting 0 sized virtual points; makes more routes possible but also makes tracks longer with unnecessary curves and detours", &rt_topo_cfg.beta)
+	RTRND_CONF_DOUBLE("beta",             1,   0, 100,    "via vs. wire length preference; high value = short wires, low value = less vias", &rt_topo_cfg.beta)
 	RTRND_CONF_DOUBLE("max_hop_mult",     1,  0.1, 10000, "when to give up the search for a route on a layer; higher value means give up later", &rt_topo_cfg.max_hop_mult)
 	RTRND_CONF_DOUBLE("junction_penalty", 1,  0.25, 1000, "higher value results in less junctions (Stenier points)", &rt_topo_cfg.junction_penalty)
 	RTRND_CONF_DOUBLE("via_via_space",    1,  0.1,  10,   "higher value makes newly placed vias keep more space between each other so more wires can pass", &rt_topo_cfg.via_via_space)
Index: trunk/src/plugins/rt_topo/rt_topo.h
===================================================================
--- trunk/src/plugins/rt_topo/rt_topo.h	(revision 1486)
+++ trunk/src/plugins/rt_topo/rt_topo.h	(revision 1487)
@@ -18,7 +18,7 @@
 typedef struct {
 	/* configured */
 	double wire_thick, wire_clr, via_dia, via_clr, beta;
-	int octilin, algo, mid_virt;
+	int octilin, algo;
 	double max_hop_mult, junction_penalty, via_via_space;
 
 	/* calculated */