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updated the slicing/capping/edgemesh sample

This commit is contained in:
Paolo Cignoni 2011-05-11 10:07:27 +00:00
parent 2239cbd747
commit 8d77ac39e3
2 changed files with 26 additions and 39 deletions
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62
apps/sample/trimesh_edge/trimesh_edge.cpp
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@ -20,6 +20,7 @@
* for more details. * * for more details. *
* * * *
****************************************************************************/ ****************************************************************************/
#include <QtOpenGL/qgl.h>
#include<vcg/simplex/vertex/base.h> #include<vcg/simplex/vertex/base.h>
#include<vcg/simplex/vertex/component.h> #include<vcg/simplex/vertex/component.h>
@ -31,6 +32,7 @@
#include<vcg/simplex/face/topology.h> #include<vcg/simplex/face/topology.h>
#include<vcg/complex/complex.h> #include<vcg/complex/complex.h>
#include<vcg/complex/append.h>
// input output // input output
#include<wrap/io_trimesh/import.h> #include<wrap/io_trimesh/import.h>
@ -38,10 +40,12 @@
// topology computation // topology computation
#include<vcg/complex/algorithms/update/topology.h> #include<vcg/complex/algorithms/update/topology.h>
#include<vcg/complex/algorithms/update/bounding.h>
// normals // normals
#include<vcg/complex/algorithms/update/normal.h> #include<vcg/complex/algorithms/update/normal.h>
#include <vcg/complex/algorithms/intersection.h> #include <vcg/complex/algorithms/intersection.h>
#include <wrap/gl/glu_tessellator_cap.h>
using namespace vcg; using namespace vcg;
using namespace std; using namespace std;
@ -66,7 +70,7 @@ int main( int argc, char **argv )
return -1; return -1;
} }
MyMesh m,em; MyMesh m,em,cm,full;
if(tri::io::ImporterPLY<MyMesh>::Open(m,argv[1])!=0) if(tri::io::ImporterPLY<MyMesh>::Open(m,argv[1])!=0)
{ {
@ -76,53 +80,35 @@ int main( int argc, char **argv )
tri::UpdateFlags<MyMesh>::FaceBorderFromFF(m); tri::UpdateFlags<MyMesh>::FaceBorderFromFF(m);
tri::UpdateNormals<MyMesh>::PerVertexNormalized(m); tri::UpdateNormals<MyMesh>::PerVertexNormalized(m);
tri::UpdateBounding<MyMesh>::Box(m);
printf("Input mesh vn:%i fn:%i\n",m.vn,m.fn); 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 ); printf( "Mesh has %i vert and %i faces\n", m.vn, m.fn );
srand(time(0));
Plane3f slicingPlane; Plane3f slicingPlane;
Point3f planeCenter = m.bbox.Center(); Point3f planeCenter = m.bbox.Center();
slicingPlane.Init(planeCenter,Point3f(0,0,1));
vcg::IntersectionPlaneMesh<MyMesh, MyMesh, float>(m, slicingPlane, em ); for(int i=0;i<10;++i)
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()) cm.Clear();
{ em.Clear();
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)), Point3f planeDir = Point3f(-0.5f+float(rand())/RAND_MAX,-0.5f+float(rand())/RAND_MAX,-0.5f+float(rand())/RAND_MAX);
tri::Index(em,em.edge[i].EEp(0)),tri::Index(em,em.edge[i].EEp(1))); planeDir.Normalize();
MyEdge* startE=&(em.edge[i]); printf("slicing dir %5.2f %5.2f %5.2f\n",planeDir[0],planeDir[1],planeDir[2]);
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); slicingPlane.Init(planeCenter+planeDir*0.3f*m.bbox.Diag()*float(rand())/RAND_MAX,planeDir);
printf("Found one outline of %i vertices\n\n",outline.size());
outline.clear(); vcg::IntersectionPlaneMesh<MyMesh, MyMesh, float>(m, slicingPlane, em );
} tri::Clean<MyMesh>::RemoveDuplicateVertex(em);
vcg::tri::CapEdgeMesh(em,cm);
printf(" edge mesh vn %5i en %5i fn %5i\n",em.vn,em.en,em.fn);
printf("sliced mesh vn %5i en %5i fn %5i\n",cm.vn,cm.en,cm.fn);
tri::Append<MyMesh,MyMesh>::Mesh(full,cm);
} }
printf("Found %i outlines for a total of %i vertices",outlines.size(),nv);
tri::io::ExporterPLY<MyMesh>::Save(full,"out.ply",false);
return 0; return 0;
} }

3
apps/sample/trimesh_edge/trimesh_edge.pro
View File

@ -5,9 +5,10 @@
TARGET = trimesh_edge TARGET = trimesh_edge
DEPENDPATH += . DEPENDPATH += .
INCLUDEPATH += . ../../.. INCLUDEPATH += . ../../..
CONFIG += console stl CONFIG += console stl opengl
TEMPLATE = app TEMPLATE = app
SOURCES += trimesh_edge.cpp ../../../wrap/ply/plylib.cpp SOURCES += trimesh_edge.cpp ../../../wrap/ply/plylib.cpp
HEADERS += ../../../vcg/complex/algorithms/update/topology.h HEADERS += ../../../vcg/complex/algorithms/update/topology.h
HEADERS += ../../../wrap/gl/glu_tessellator_cap.h
# Mac specific Config required to avoid to make application bundles # Mac specific Config required to avoid to make application bundles
CONFIG -= app_bundle CONFIG -= app_bundle