author Dmitriy Morozov Thu, 07 Jun 2012 21:21:11 -0700 branch dev changeset 264 55700750a464 parent 263 185923889ab4 child 265 66a311c0d597
Points at infinity in DiagramViewer
```--- a/bindings/python/dionysus/viewer/diagram.py	Thu Jun 07 21:16:06 2012 -0700
+++ b/bindings/python/dionysus/viewer/diagram.py	Thu Jun 07 21:21:11 2012 -0700
@@ -2,11 +2,13 @@
from    math        import fabs

class DiagramPoint(QtGui.QGraphicsEllipseItem):
-    def __init__(self,x,y, p):
+    def __init__(self,x,y, p, infty = False):
super(QtGui.QGraphicsEllipseItem, self).__init__()
self.setPen(QtGui.QPen(QtGui.QColor(225, 0, 0)))
self.setBrush(QtGui.QBrush(QtCore.Qt.red))
+        if infty:
+            self.radius *= 2
self.x, self.y = x,y
self.scale(1)
self.p = p
@@ -42,10 +44,16 @@

for p in dgm:
x,y = p[0],p[1]
-            if x == inf or y == inf: continue
if fabs(y - x) < noise:
continue
-            item = DiagramPoint(x,y,p)
+            if fabs(x) == inf or fabs(y) == inf:
+                if x == inf: x = maxx + 2
+                if y == inf: y = maxy + 2
+                if x == -inf: x = minx - 2
+                if y == -inf: y = miny - 2
+                item = DiagramPoint(x,y,p, infty = True)
+            else:
+                item = DiagramPoint(x,y,p)