From 32d500be36e8c1b5e091748b28d852809d66e2a4 Mon Sep 17 00:00:00 2001
From: mcallieri <marco.callieri@isti.cnr.it>
Date: Tue, 5 Jan 2016 10:27:50 +0000
Subject: [PATCH] corrected a bug: a pushback of normal was missing in the case
 (qH[m.face[i].V(j)] == 0)

---
 vcg/complex/algorithms/intersection.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/vcg/complex/algorithms/intersection.h b/vcg/complex/algorithms/intersection.h
index 668dbc1f..0a527ec0 100644
--- a/vcg/complex/algorithms/intersection.h
+++ b/vcg/complex/algorithms/intersection.h
@@ -159,7 +159,7 @@ bool IntersectionPlaneMesh(TriMeshType & m,
       nmVec.clear();
       for(int j=0;j<3;++j)
       {
-        if((qH[m.face[i].V0(j)] * qH[m.face[i].V1(j)])<0)
+       if((qH[m.face[i].V0(j)] * qH[m.face[i].V1(j)])<0)
        {
          const Point3<ScalarType> &p0 = m.face[i].V0(j)->cP();
          const Point3<ScalarType> &p1 = m.face[i].V1(j)->cP();
@@ -175,7 +175,11 @@ bool IntersectionPlaneMesh(TriMeshType & m,
          Point3<ScalarType> nn =(n0*fabs(q1) + n1*fabs(q0))/fabs(q0-q1);
          nmVec.push_back(nn);
        }
-        if(qH[m.face[i].V(j)]==0)  ptVec.push_back(m.face[i].V(j)->cP());
+	   if (qH[m.face[i].V(j)] == 0)
+	   {
+		   ptVec.push_back(m.face[i].V(j)->cP());
+		   nmVec.push_back(m.face[i].V(j)->cN());
+	   }
       }
       if(ptVec.size()>=2)
       {