add vcglib

vcglib/apps/sample/trimesh_join/trimesh_join.cpp

@@ -0,0 +1,118 @@
+/****************************************************************************
+* 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.                                                         *
+*                                                                           *
+****************************************************************************/
+#include<vcg/complex/complex.h>
+#include<vcg/complex/algorithms/clean.h>
+#include<vcg/complex/algorithms/clip.h>
+
+// input output
+#include <wrap/io_trimesh/import_ply.h>
+#include <wrap/io_trimesh/export_ply.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::Coord3f, vertex::BitFlags  >{};
+class MyFace    : public Face   < MyUsedTypes, face::VertexRef, face::BitFlags > {};
+class MyMesh    : public vcg::tri::TriMesh< vector<MyVertex>, vector<MyFace> > {};
+
+
+
+int main(int argc,char **argv )
+{
+ if(argc<2)
+    {
+        printf(	"Usage: trimesh_join [opt] filename.ply [filename.ply | *] \n"
+                "where opt can be:\n"
+                "   -b xmin ymin zmin xmax ymax zmax  : \n"
+                "      Returns only mesh composed by faces inside specified bbox\n"
+                "   -t Just scan all the input files computing the total bbox\n"
+            );
+        exit(0);
+    }
+
+  MyMesh ml,mr;
+  Box3f ClipBB,TotBB;
+  bool ClipFlag=false,MergeFlag=true;
+    int i=1;
+  // Parsing option loop
+  while(argv[i][0]=='-')
+  {
+    switch(argv[i][1])
+    {
+      case 'b': {
+              if(argc<i+7) {
+                printf("Error in parsing bbox option");
+                  exit(0);
+              }
+              ClipBB.min=Point3f::Construct(atof(argv[i+1]),atof(argv[i+2]),atof(argv[i+3]));
+              ClipBB.max=Point3f::Construct(atof(argv[i+4]),atof(argv[i+5]),atof(argv[i+6]));
+              i+=6;
+              printf("Clipping incoming meshes with box:\n (%7.4f %7.4f %7.4f) - (%7.4f %7.4f %7.4f)\n",
+                    ClipBB.min[0],ClipBB.min[1],ClipBB.min[2],
+                    ClipBB.max[0],ClipBB.max[1],ClipBB.max[2]);
+              ClipFlag=true;
+          } break;
+    case 't': MergeFlag=false; break;
+    default : printf("Unknown option '%s'\n",argv[i]);
+    }
+  ++i;
+  }
+    while(i<argc)
+        {
+          if(vcg::tri::io::ImporterPLY<MyMesh>::Open(mr,argv[i])!=0)
+          {
+        printf("Error reading file  %s\n",argv[1]);
+              exit(0);
+          }
+      printf("Input mesh %3i           vn:%9i fn:%9i\n",i, mr.VN(), mr.FN());
+      if(ClipFlag)
+      {
+        tri::GenericVertexInterpolator<MyMesh> interp(mr);
+        tri::TriMeshClipper<MyMesh>::Box(ClipBB,interp,mr);
+        printf("              clipped to vn:%9i fn:%9i\n", mr.VN(), mr.FN());
+      }
+      tri::UpdateBounding<MyMesh>::Box(mr);
+      TotBB.Add(mr.bbox);
+
+      if(MergeFlag) tri::Append<MyMesh,MyMesh>::Mesh(ml,mr); // append mesh mr to ml
+        ++i;
+        }
+
+  printf("Output mesh vn:%i fn:%i\n",ml.VN(),ml.FN());
+
+  tri::io::ExporterPLY<MyMesh>::Save(ml,"joined.ply");
+  int dv=tri::Clean<MyMesh>::RemoveDuplicateVertex(ml);
+  printf("Removed %i duplicated vertices\n",dv);
+  tri::io::ExporterPLY<MyMesh>::Save(ml,"joined_unif.ply");
+  printf("Final BBox of mesh :\n (%7.4f %7.4f %7.4f) - (%7.4f %7.4f %7.4f)\n",
+                    TotBB.min[0],TotBB.min[1],TotBB.min[2],
+                    TotBB.max[0],TotBB.max[1],TotBB.max[2]);
+
+}
+