diff -r 39e5f73667ba -r c2ef9095503a hostsupport/hostopenvg/genheader/plot-edges.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hostsupport/hostopenvg/genheader/plot-edges.py	Wed Oct 06 17:59:01 2010 +0100
@@ -0,0 +1,91 @@
+# Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and /or associated documentation files
+# (the "Materials "), to deal in the Materials without restriction,
+# including without limitation the rights to use, copy, modify, merge,
+# publish, distribute, sublicense, and/or sell copies of the Materials,
+# and to permit persons to whom the Materials are furnished to do so,
+# subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Materials.
+#
+# THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR
+# THE USE OR OTHER DEALINGS IN THE MATERIALS.
+
+import sys
+import matplotlib
+matplotlib.use("wxAgg")
+import matplotlib.pyplot
+import lines
+
+
+if __name__ == '__main__':
+
+    start = 0
+    if len(sys.argv) > 2:
+        start = int(sys.argv[1])
+
+    minx = 65535.
+    miny = 65535.
+    maxx = -65535.
+    maxy = -65535.
+
+    z = zip(lines.lines[::2], lines.lines[1::2]) 
+
+    if len(sys.argv) == 2:
+        end = int(sys.argv[1])
+    elif len(sys.argv) > 2:
+        end = int(sys.argv[2])
+    else:
+        assert(len(sys.argv) == 1)
+        end = len(z)
+
+    print start, end
+
+    legend = False
+    if end - start < 10:
+        legend = True
+
+    for seg in z:
+        px0 = seg[0][0]/128.
+        py0 = seg[0][1]/8.
+        px1 = seg[1][0]/128.
+        py1 = seg[1][1]/8.
+        minx = min(px0, minx)
+        miny = min(py0, miny)
+        maxx = max(px0, maxx)
+        maxy = max(py0, maxy)
+        minx = min(px1, minx)
+        miny = min(py1, miny)
+        maxx = max(px1, maxx)
+        maxy = max(py1, maxy)
+
+    currLegend = 0
+    for seg in z[start:end]:
+        px0 = seg[0][0]/128.
+        py0 = seg[0][1]/8.
+        px1 = seg[1][0]/128.
+        py1 = seg[1][1]/8.
+
+        if not legend:
+            matplotlib.pyplot.plot([px0, px1], [py0, py1])
+        else:
+            matplotlib.pyplot.plot([px0, px1], [py0, py1], label = str(currLegend))
+            currLegend += 1
+
+    minx = min(minx, miny)
+    maxx = max(maxx, maxy)
+    
+    #matplotlib.pyplot.plot(x, y)
+    matplotlib.pyplot.axis([minx,maxx,minx,maxx])
+    if legend:
+        matplotlib.pyplot.legend()
+    matplotlib.pyplot.show()
+