Added trimesh_select sample

apps/sample/sample.pro

@@ -32,6 +32,7 @@ SUBDIRS       = trimesh_allocate \
                 trimesh_refine \
                 trimesh_remeshing \
                 trimesh_sampling \
+                trimesh_select \
                 trimesh_smooth \
                 trimesh_split_vertex \
                 trimesh_texture \

apps/sample/trimesh_select/trimesh_select.cpp

@@ -0,0 +1,63 @@
+/****************************************************************************
+* VCGLib                                                            o o     *
+* Visual and Computer Graphics Library                            o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2004-2016                                           \/)\/    *
+* Visual Computing Lab                                            /\/|      *
+* ISTI - Italian National Research Council                           |      *
+*                                                                    \      *
+* All rights reserved.                                                      *
+*                                                                           *
+* This program is free software; you can redistribute it and/or modify      *
+* it under the terms of the GNU General Public License as published by      *
+* the Free Software Foundation; either version 2 of the License, or         *
+* (at your option) any later version.                                       *
+*                                                                           *
+* This program is distributed in the hope that it will be useful,           *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of            *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
+* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)          *
+* for more details.                                                         *
+*                                                                           *
+****************************************************************************/
+/*! \file trimesh_select.cpp
+\ingroup code_sample
+
+\brief the minimal example of using the selection functionality
+*/
+
+#include<vcg/complex/complex.h>
+#include<vcg/complex/algorithms/create/platonic.h>
+
+using namespace vcg;
+using namespace std;
+
+
+class MyFace;
+class MyVertex;
+
+struct MyUsedTypes : public UsedTypes<	Use<MyVertex>::AsVertexType, Use<MyFace>::AsFaceType>{};
+class MyVertex  : public Vertex< MyUsedTypes, vertex::VFAdj, vertex::Coord3f, vertex::Normal3f, vertex::BitFlags  >{};
+class MyFace    : public Face  < MyUsedTypes, face::VFAdj, face::Normal3f, face::VertexRef, face::BitFlags > {};
+class MyMesh    : public vcg::tri::TriMesh<vector<MyVertex>, vector<MyFace> > {};
+
+int main(int ,char ** )
+{
+  MyMesh m; 
+  // build a 10x10 grid of 100 vertices and 200 faces. 
+  tri::Grid(m,10,10,1.0f,1.0f);
+  tri::UpdateFlags<MyMesh>::VertexBorderFromNone(m);
+  int cornerNum = tri::UpdateSelection<MyMesh>::VertexCornerBorder(m,math::ToRad(100.0f));
+  printf("Mesh has %i vertexes  %i faces and %i corners\n",m.VN(),m.FN(),cornerNum);
+  
+  int borderNum = tri::UpdateSelection<MyMesh>::VertexFromBorderFlag(m);
+  int internalNum = tri::UpdateSelection<MyMesh>::VertexInvert(m);
+  int faceNotOnBoundaryNum = tri::UpdateSelection<MyMesh>::FaceFromVertexStrict(m);
+  printf("%i vertexes are on the boundary and %i internal and internal faces are %i \n",borderNum,internalNum,faceNotOnBoundaryNum);
+  int innerFacesNum = tri::UpdateSelection<MyMesh>::FaceErode(m);
+  printf("Eroding the face selection of on ring of faces bring it to %i faces\n",innerFacesNum);
+  
+  
+  return 0;
+}
+

apps/sample/trimesh_select/trimesh_select.pro

@@ -0,0 +1,3 @@
+include(../common.pri)
+TARGET = trimesh_select
+SOURCES += trimesh_select.cpp