Minor fix for Math Value Error on Alpha Shapes

Sieboldianus · Jan 30, 2018 · 9361e68 · 9361e68
1 parent 0965156
commit 9361e68
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/generateTagClusters.py b/generateTagClusters.py
@@ -1266,7 +1266,10 @@ def add_edge(edges, edge_points, coords, i, j):
         # Semiperimeter of triangle
         s = (a + b + c)/2.0
         # Area of triangle by Heron's formula
-        area = math.sqrt(s*(s-a)*(s-b)*(s-c))
+        try:
+            area = math.sqrt(s*(s-a)*(s-b)*(s-c))
+        except ValueError:
+            return False
         if area == 0:
             return False
         circum_r = a*b*c/(4.0*area)