Merge pull request #361 from GSharker/dev/ceca/infinite-curvature-fix

infinite curvature bug fix

src/GShark/Analyze/Curve.cs

@@ -67,7 +67,7 @@ internal static Vector3 Curvature(Vector3 derivative1, Vector3 derivative2)
             double curvatureLength = curvature.Length;
             if (curvatureLength < 1.490116119385E-08) // SqrtEpsilon value that is used when comparing square roots.
             {
-                throw new Exception("Curvature is infinite.");
+                curvatureLength = 1e10;
             }
 
             double radius = (curvature / (curvatureLength * curvatureLength)).Length;