From 7473b2177a6e54d2622914028bf98ae6a00b9108 Mon Sep 17 00:00:00 2001
From: cignoni <paolo.cignoni@isti.cnr.it>
Date: Wed, 5 May 2010 12:30:58 +0000
Subject: [PATCH] Added ComputePerFaceQualityHistogram (provided by Andrea
 Tagliasacchi)

---
 vcg/complex/trimesh/stat.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/vcg/complex/trimesh/stat.h b/vcg/complex/trimesh/stat.h
index a065100d..7abee649 100644
--- a/vcg/complex/trimesh/stat.h
+++ b/vcg/complex/trimesh/stat.h
@@ -128,6 +128,21 @@ class Stat
                 h.Add((*fi).Q());
               }
       }
+
+      static void ComputePerFaceQualityHistogram( MeshType & m, Histogramf &h, bool selectionOnly=false )
+      {
+        FaceIterator fi;
+        int HistSize=10000;
+        std::pair<float,float> minmax = tri::Stat<MeshType>::ComputePerFaceQualityMinMax(m);
+        h.Clear();
+        h.SetRange( minmax.first,minmax.second, HistSize );
+        for(fi = m.face.begin(); fi != m.face.end(); ++fi)
+          if(!(*fi).IsD() &&  ((!selectionOnly) || (*fi).IsS()) ){
+            assert(!math::IsNAN((*fi).Q()) && "You should never try to compute Histogram with Invalid Floating points numbers (NaN)");
+          h.Add((*fi).Q());
+        }
+      }
+
       static void ComputePerVertexQualityHistogram( MeshType & m, Histogramf &h, bool selectionOnly = false)    // V1.0
       {
 				VertexIterator vi;