Added sample on edge mesh (intersection of a mesh with a plane
This commit is contained in:
parent
384ea891dc
commit
6b7e9fb37d
|
|
@ -0,0 +1,128 @@
|
|||
/****************************************************************************
|
||||
* VCGLib o o *
|
||||
* Visual and Computer Graphics Library o o *
|
||||
* _ O _ *
|
||||
* Copyright(C) 2004-2009 \/)\/ *
|
||||
* 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/simplex/vertex/base.h>
|
||||
#include<vcg/simplex/vertex/component.h>
|
||||
|
||||
#include <vcg/complex/used_types.h>
|
||||
|
||||
#include<vcg/simplex/face/base.h>
|
||||
#include<vcg/simplex/face/component.h>
|
||||
|
||||
#include<vcg/simplex/face/topology.h>
|
||||
#include<vcg/complex/complex.h>
|
||||
|
||||
// input output
|
||||
#include<wrap/io_trimesh/import.h>
|
||||
#include<wrap/io_trimesh/export.h>
|
||||
|
||||
// topology computation
|
||||
#include<vcg/complex/algorithms/update/topology.h>
|
||||
|
||||
// normals
|
||||
#include<vcg/complex/algorithms/update/normal.h>
|
||||
#include <vcg/complex/algorithms/intersection.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,edge::EVAdj,edge::BitFlags,edge::EEAdj>{};
|
||||
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.ply>\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
MyMesh m,em;
|
||||
|
||||
if(tri::io::ImporterPLY<MyMesh>::Open(m,argv[1])!=0)
|
||||
{
|
||||
printf("Error reading file %s\n",argv[1]);
|
||||
exit(0);
|
||||
}
|
||||
|
||||
tri::UpdateFlags<MyMesh>::FaceBorderFromFF(m);
|
||||
tri::UpdateNormals<MyMesh>::PerVertexNormalized(m);
|
||||
|
||||
printf("Input mesh vn:%i fn:%i\n",m.vn,m.fn);
|
||||
printf( "Mesh has %i vert and %i faces\n", m.vn, m.fn );
|
||||
|
||||
Plane3f slicingPlane;
|
||||
Point3f planeCenter = m.bbox.Center();
|
||||
slicingPlane.Init(planeCenter,Point3f(0,0,1));
|
||||
|
||||
vcg::IntersectionPlaneMesh<MyMesh, MyMesh, float>(m, slicingPlane, em );
|
||||
tri::Clean<MyMesh>::RemoveDuplicateVertex(em);
|
||||
std::vector< std::vector<Point3f> > outlines;
|
||||
std::vector<Point3f> outline;
|
||||
vcg::tri::UpdateFlags<MyMesh>::EdgeClearV(em);
|
||||
int nv=0;
|
||||
|
||||
tri::UpdateTopology<MyMesh>::EdgeEdge(em);
|
||||
|
||||
for(size_t i=0;i<em.edge.size();i++)
|
||||
{
|
||||
if (!em.edge[i].IsV())
|
||||
{
|
||||
printf("Edge %i (%i %i) ee0=%i ee1=%i\n",i,tri::Index(em,em.edge[i].V(0)),tri::Index(em,em.edge[i].V(1)),
|
||||
tri::Index(em,em.edge[i].EEp(0)),tri::Index(em,em.edge[i].EEp(1)));
|
||||
MyEdge* startE=&(em.edge[i]);
|
||||
int startI = 0;
|
||||
int curI = startI;
|
||||
MyEdge* curE = startE;
|
||||
MyEdge* nextE; int nextI;
|
||||
do
|
||||
{
|
||||
curE->SetV();
|
||||
outline.push_back(curE->V(curI)->P());
|
||||
nextE=curE->EEp((curI+1)%2);
|
||||
nextI=curE->EEi((curI+1)%2);
|
||||
curE=nextE;
|
||||
curI=nextI;
|
||||
nv++;
|
||||
}
|
||||
while(curE != startE);
|
||||
|
||||
outlines.push_back(outline);
|
||||
printf("Found one outline of %i vertices\n\n",outline.size());
|
||||
|
||||
outline.clear();
|
||||
}
|
||||
}
|
||||
printf("Found %i outlines for a total of %i vertices",outlines.size(),nv);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
######################################################################
|
||||
# Automatically generated by qmake (2.00a) ven 24. giu 14:14:20 2005
|
||||
######################################################################
|
||||
|
||||
TARGET = trimesh_edge
|
||||
DEPENDPATH += .
|
||||
INCLUDEPATH += . ../../..
|
||||
CONFIG += console stl
|
||||
TEMPLATE = app
|
||||
SOURCES += trimesh_edge.cpp ../../../wrap/ply/plylib.cpp
|
||||
HEADERS += ../../../vcg/complex/algorithms/update/topology.h
|
||||
# Mac specific Config required to avoid to make application bundles
|
||||
CONFIG -= app_bundle
|
||||
Loading…
Reference in New Issue