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Added a few more samples (normals, inertia, sampling)

This commit is contained in:
Paolo Cignoni 2012-10-12 06:07:06 +00:00
parent 980b463a41
commit cd3af281cc
7 changed files with 228 additions and 0 deletions
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1
apps/sample/sample.pro
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@ -15,6 +15,7 @@ SUBDIRS = trimesh_base \
trimesh_intersection \
trimesh_ball_pivoting \
trimesh_hole \
trimesh_sampling \
polygonmesh_base \
aabb_binary_tree \
trimesh_attribute

75
apps/sample/trimesh_inertia/trimesh_inertia.cpp Normal file
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@ -0,0 +1,75 @@
/****************************************************************************
* 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. *
* *
****************************************************************************/
#include<vcg/complex/complex.h>
#include<wrap/io_trimesh/import_off.h>
#include<vcg/complex/algorithms/inertia.h>
#include<vcg/complex/algorithms/create/platonic.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::BitFlags >{};
class MyFace : public Face< MyUsedTypes, face::FFAdj, face::Normal3f, face::VertexRef, 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 tet,oct,hex,dod,ico;
tri::Hexahedron(hex);
tri::Tetrahedron(tet);
tri::Octahedron(oct);
tri::Dodecahedron(dod);
tri::Icosahedron(ico);
Matrix44f ScaleM,TransM;
ScaleM.SetScale(1,2,1);
TransM.SetTranslate(1,1,1);
// tri::UpdatePosition<MyMesh>::Matrix(hex,ScaleM);
tri::UpdatePosition<MyMesh>::Matrix(hex,TransM);
tri::Inertia<MyMesh> I;
I.Compute(hex);
Point3f cc = I.CenterOfMass();
printf("Mass %f \n",I.Mass());
printf("CenterOfMass %f %f %f\n",cc[0],cc[1],cc[2]);
Matrix33f IT;
Point3f ITv;
I.InertiaTensorEigen(IT,ITv);
printf("InertiaTensor %f %f %f\n\n",ITv[0],ITv[1],ITv[2]);
printf("InertiaTensor %f %f %f\n",IT[0][0],IT[0][1],IT[0][2]);
printf("InertiaTensor %f %f %f\n",IT[1][0],IT[1][1],IT[1][2]);
printf("InertiaTensor %f %f %f\n",IT[2][0],IT[2][1],IT[2][2]);
return 0;
}

3
apps/sample/trimesh_inertia/trimesh_inertia.pro Normal file
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@ -0,0 +1,3 @@
include(../common.pri)
TARGET = trimesh_inertia
SOURCES += trimesh_inertia.cpp

79
apps/sample/trimesh_normal/trimesh_normal.cpp Normal file
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@ -0,0 +1,79 @@
/****************************************************************************
* 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. *
* *
****************************************************************************/
#include<vcg/complex/complex.h>
#include<wrap/io_trimesh/import_off.h>
#include<vcg/complex/algorithms/update/curvature.h>
#include<vcg/complex/algorithms/update/normal.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::BitFlags >{};
class MyFace : public Face< MyUsedTypes, face::FFAdj, face::VertexRef, face::BitFlags > {};
class MyEdge : public Edge<MyUsedTypes>{};
class MyMesh : public tri::TriMesh< vector<MyVertex>, vector<MyFace> , vector<MyEdge> > {};
int main( int argc, char **argv )
{
if(argc<2)
{
printf("Usage trimesh_base <meshfilename.obj>\n");
return -1;
}
MyMesh m;
if(tri::io::ImporterOFF<MyMesh>::Open(m,argv[1])!=0)
{
printf("Error reading file %s\n",argv[1]);
exit(0);
}
Matrix44f m44 = Matrix44f::Identity();
tri::UpdateNormal<MyMesh>::PerVertexClear(m);
tri::UpdateNormal<MyMesh>::PerVertex(m);
tri::UpdateNormal<MyMesh>::PerVertexAngleWeighted(m);
tri::UpdateNormal<MyMesh>::PerVertexNelsonMaxWeighted(m);
tri::UpdateNormal<MyMesh>::PerFace(m);
tri::UpdateNormal<MyMesh>::PerVertexFromCurrentFaceNormal(m);
tri::UpdateNormal<MyMesh>::PerFaceFromCurrentVertexNormal(m);
tri::UpdateNormal<MyMesh>::NormalizePerVertex(m);
tri::UpdateNormal<MyMesh>::NormalizePerFace(m);
tri::UpdateNormal<MyMesh>::NormalizePerFaceByArea(m);
tri::UpdateNormal<MyMesh>::PerBitQuadFaceNormalized(m);
tri::UpdateNormal<MyMesh>::PerVertexMatrix(m,m44);
tri::UpdateNormal<MyMesh>::PerFaceMatrix(m,m44);
tri::UpdateNormal<MyMesh>::PerWedgeCrease(m, math::ToRad(45.0f));
return 0;
}

3
apps/sample/trimesh_normal/trimesh_normal.pro Normal file
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@ -0,0 +1,3 @@
include(../common.pri)
TARGET = trimesh_normal
SOURCES += trimesh_normal.cpp

64
apps/sample/trimesh_sampling/trimesh_sampling.cpp Normal file
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@ -0,0 +1,64 @@
/****************************************************************************
* 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. *
* *
****************************************************************************/
#include<vcg/complex/complex.h>
#include<wrap/io_trimesh/import_off.h>
#include<vcg/complex/algorithms/point_sampling.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::BitFlags >{};
class MyFace : public Face< MyUsedTypes, face::FFAdj, face::VertexRef, face::BitFlags > {};
class MyEdge : public Edge<MyUsedTypes>{};
class MyMesh : public tri::TriMesh< vector<MyVertex>, vector<MyFace> , vector<MyEdge> > {};
int main( int argc, char **argv )
{
if(argc<2)
{
printf("Usage trimesh_base <meshfilename.obj>\n");
return -1;
}
MyMesh m;
if(tri::io::ImporterOFF<MyMesh>::Open(m,argv[1])!=0)
{
printf("Error reading file %s\n",argv[1]);
exit(0);
}
vector<Point3f> pointVec;
float radius;
tri::PoissonSampling<MyMesh>(m,pointVec,1000,radius);
return 0;
}

3
apps/sample/trimesh_sampling/trimesh_sampling.pro Normal file
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@ -0,0 +1,3 @@
include(../common.pri)
TARGET = trimesh_sampling
SOURCES += trimesh_sampling.cpp