Index: detour/img/Makefile
===================================================================
--- detour/img/Makefile	(revision 892)
+++ detour/img/Makefile	(revision 893)
@@ -16,7 +16,8 @@
 
 DOTS = \
 	topo_tree2.png \
-	topo_tree1.png
+	topo_tree1.png \
+	geo_cases.png
 
 all: $(LHTS) $(DOTS)
 
Index: detour/img/geo_cases.dot
===================================================================
--- detour/img/geo_cases.dot	(nonexistent)
+++ detour/img/geo_cases.dot	(revision 893)
@@ -0,0 +1,34 @@
+digraph cases {
+
+	conflict [shape=square]
+	switch [label="switch\nlayer" shape=square]
+	stay [label="stay on\nlayer" shape=square]
+
+	via0 [label="V1\nno new vias,\nswitch on\nendpoints"]
+	via1 [label="V2\none new via,\nswitch on\n1 endpoint"]
+	via2 [label="V3\ntwo\nnew\nvias"]
+
+	in0 [label="both ends\noutside" shape=square]
+	in1 [label="one end\noutside" shape=square]
+	in2 [label="both ends\ninside" shape=square]
+
+	cross0 [label="S1\ncrossing\nor too\nclose to\nobstacle\n"]
+	cross1 [label="S2\ncrossing\nobstacle"]
+	cross2 [label="S3\ncrossing\nor too\nclose to\nobstacle\n"]
+
+
+	conflict -> switch
+	conflict -> stay
+
+	switch -> via0
+	switch -> via1
+	switch -> via2
+
+	stay -> in0
+	stay -> in1
+	stay -> in2
+
+	in0 -> cross0
+	in1 -> cross1
+	in2 -> cross2
+}
Index: detour/img/geo_cases.png
===================================================================
Cannot display: file marked as a binary type.
svn:mime-type = application/octet-stream
Index: detour/img/geo_cases.png
===================================================================
--- detour/img/geo_cases.png	(nonexistent)
+++ detour/img/geo_cases.png	(revision 893)

Property changes on: detour/img/geo_cases.png
___________________________________________________________________
Added: svn:mime-type
## -0,0 +1 ##
+application/octet-stream
\ No newline at end of property