add vcglib

vcglib/apps/sample/trimesh_remeshing/trimesh_remeshing.cpp

@@ -0,0 +1,119 @@
+/****************************************************************************
+* VCGLib                                                            o o     *
+* Visual and Computer Graphics Library                            o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2004-2012                                           \/)\/    *
+* 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_normal.cpp
+\ingroup code_sample
+
+\brief An example of all the methods for computing normals over a mesh.
+
+*/
+#include<vcg/complex/complex.h>
+
+#include<wrap/io_trimesh/import.h>
+#include<wrap/io_trimesh/export.h>
+
+#include<vcg/complex/algorithms/clean.h>
+#include<vcg/complex/algorithms/isotropic_remeshing.h>
+
+using namespace vcg;
+using namespace std;
+
+class MyEdge;
+class MyFace;
+class MyVertex;
+struct MyUsedTypes : public UsedTypes<	Use<MyVertex>   ::AsVertexType,
+        Use<MyEdge>     ::AsEdgeType,
+        Use<MyFace>     ::AsFaceType>{};
+
+class MyVertex  : public Vertex<MyUsedTypes, vertex::Coord3f, vertex::Normal3f, vertex::VFAdj, vertex::Qualityf, vertex::BitFlags,  vertex::Mark>{};
+class MyFace    : public Face< MyUsedTypes, face::Mark,  face::VertexRef, face::VFAdj, face::FFAdj, face::Normal3f, face::BitFlags > {};
+class MyEdge    : public Edge<MyUsedTypes>{};
+class MyMesh    : public tri::TriMesh< vector<MyVertex>, vector<MyFace> , vector<MyEdge>  > {};
+
+int main( int argc, char **argv )
+{
+	MyMesh original,toremesh;
+	if(argc<2)
+	{
+		printf("Usage: trimesh_remesh <filename> [[targetLen (bbox perc)] [iterNum] [creaseAngle] [maxSurfDist (bbox perc)]]");
+		exit(0);
+	}
+
+	if(tri::io::Importer<MyMesh>::Open(original,argv[1])!=0)
+	{
+		printf("Error reading file  %s\n",argv[1]);
+		exit(0);
+	}
+	float targetLenPerc=.2f;
+	int iterNum=20;
+	float creaseAngle = 30.f;
+	float maxSurfDistPerc = 0.001f;
+	if(argc>=3) targetLenPerc = atof(argv[2]);
+	if(argc>=4) iterNum = atoi(argv[3]);
+	if(argc>=5) creaseAngle = atof(argv[4]);
+	if(argc>=6) maxSurfDistPerc = atof(argv[5]);
+
+
+	// Mesh cleaning
+	tri::Clean<MyMesh>::RemoveUnreferencedVertex(original);
+	vcg::tri::Allocator<MyMesh>::CompactEveryVector(original);
+
+
+	tri::UpdateNormal<MyMesh>::PerVertexNormalizedPerFaceNormalized(original);
+	tri::UpdateBounding<MyMesh>::Box(original);
+
+	vcg::tri::Append<MyMesh,MyMesh>::MeshCopy(toremesh,original);
+	tri::UpdateNormal<MyMesh>::PerVertexNormalizedPerFaceNormalized(toremesh);
+	tri::UpdateBounding<MyMesh>::Box(toremesh);
+
+	tri::UpdateTopology<MyMesh>::FaceFace(toremesh);
+	float lengthThr = targetLenPerc*(original.bbox.Diag()/100.f);
+	float maxSurfDist = maxSurfDistPerc*(original.bbox.Diag()/100.f);
+	printf("Length Thr: %8.3f ~ %4.2f %% on %5.3f\n",lengthThr,targetLenPerc,original.bbox.Diag());
+
+	vcg::tri::IsotropicRemeshing<MyMesh>::Params params;
+	params.SetTargetLen(lengthThr);
+	params.SetFeatureAngleDeg(creaseAngle);
+	params.iter=iterNum;
+
+	if (maxSurfDistPerc != 0)
+	{
+		params.surfDistCheck = true;
+		params.maxSurfDist = maxSurfDist;
+	}
+	else
+	{
+		params.surfDistCheck = false;
+	}
+
+	params.cleanFlag = true;
+	params.userSelectedCreases = false;
+
+
+
+	printf(" Input mesh %8i v %8i f\n",toremesh.VN(),toremesh.FN());
+	vcg::tri::IsotropicRemeshing<MyMesh>::Do(toremesh, original, params);
+	vcg::tri::io::ExporterPLY<MyMesh>::Save(toremesh, "remesh.ply");
+	printf("Output mesh %8i v %8i f\n",toremesh.VN(),toremesh.FN());
+
+	return 0;
+}