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Added more functionality #1

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34 changes: 31 additions & 3 deletions src/utils/vcgDefaultMesh.h
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Original file line number Diff line number Diff line change
@@ -1,9 +1,19 @@
// Copyright 2018 Andrea Mantovani
// https://github.com/korut94/VCGLibForParaview/tree/master/src/utils

#ifndef UTILSVCGDEFAULTMESH_H
#define UTILSVCGDEFAULTMESH_H

#include "vcg/complex/complex.h"
// stuff to define the mesh
#include <vcg/complex/complex.h>

// io
#include <wrap/io_trimesh/import.h>
#include <wrap/io_trimesh/export_ply.h>

// local optimization
#include <vcg/complex/algorithms/local_optimization.h>
#include <vcg/complex/algorithms/local_optimization/tri_edge_collapse_quadric.h>

namespace utils
{
Expand All @@ -21,14 +31,21 @@ class VCGDefaultVertex : public vcg::Vertex<
vcg::vertex::Coord3f,
vcg::vertex::Normal3f,
vcg::vertex::Color4b,
vcg::vertex::VFAdj,
vcg::vertex::BitFlags,
vcg::vertex::Qualityf> {};
vcg::vertex::Qualityf> {
public:
vcg::math::Quadric<double> &Qd() {return q;}
private:
vcg::math::Quadric<double> q;
};

class VCGDefaultFace : public vcg::Face<
VCGDefaultUsedTypes,
vcg::face::VertexRef,
vcg::face::Normal3f,
vcg::face::FFAdj,
vcg::face::VFAdj,
vcg::face::BitFlags,
vcg::face::Mark> {};

Expand All @@ -38,6 +55,17 @@ class VCGDefaultMesh : public vcg::tri::TriMesh<
std::vector<VCGDefaultVertex>,
std::vector<VCGDefaultFace>,
std::vector<VCGDefaultEdge>> {};

typedef BasicVertexPair<VCGDefaultVertex> VCGDefaultVertexPair;

class VCGDefaultTriEdgeCollapse: public vcg::tri::TriEdgeCollapseQuadric< VCGDefaultMesh, VCGDefaultVertexPair, VCGDefaultTriEdgeCollapse, QInfoStandard<VCGDefaultVertex> >
{
public:
typedef vcg::tri::TriEdgeCollapseQuadric< VCGDefaultMesh, VCGDefaultVertexPair, VCGDefaultTriEdgeCollapse, QInfoStandard<VCGDefaultVertex> > TECQ;
typedef VCGDefaultMesh::VertexType::EdgeType EdgeType;
inline VCGDefaultTriEdgeCollapse( const VCGDefaultVertexPair &p, int i, vcg::BaseParameterClass *pp) :TECQ(p,i,pp){}
};

} // namespace utils

#endif // UTILSVCGDEFAULTMESH_H
#endif // UTILSVCGDEFAULTMESH_H
81 changes: 76 additions & 5 deletions src/utils/vcgFactory.h
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Original file line number Diff line number Diff line change
@@ -1,13 +1,17 @@
// Copyright 2018 Andrea Mantovani

// https://github.com/korut94/VCGLibForParaview/tree/master/src/utils

#ifndef UTILSVCGFACTORY_H
#define UTILSVCGFACTORY_H

#include "vtkCellIterator.h"
#include "vtkCellArray.h"
#include "vtkDataSet.h"
#include "vtkPolyData.h"
#include "vtkPolygon.h"
#include "vtkOutputWindow.h"
#include "vtkPoints.h"

#include "vcg/complex/algorithms/create/platonic.h"

namespace utils
Expand All @@ -25,6 +29,12 @@ class vcgFactory
template <typename MeshType>
static int FromVCGMeshExtractVTKPoints(const MeshType &mesh, vtkPoints *points);

template <typename MeshType>
static int FromVCGMeshExtractFacesVertices(const MeshType &mesh, int* faces, double *vertices);

template <typename MeshType>
static int FromVCGMeshBuildVTKPolyData(const MeshType &mesh, vtkPolyData *polydata);

template <typename MeshType>
static int FromVTKDataSetBuildVCGMesh(MeshType &mesh, vtkDataSet *data);

Expand All @@ -40,8 +50,8 @@ class vcgFactory

template <typename MeshType>
int vcgFactory::FromVTKDataSetExtractVCGVertexes(
vtkDataSet *data,
std::vector<vcg::Point3f> &coords,
vtkDataSet *data,
std::vector<vcg::Point3f> &coords,
std::vector<vcg::Point3i> &ids) {
vtkOutputWindow *outputWindow = vtkOutputWindow::GetInstance();

Expand Down Expand Up @@ -123,6 +133,67 @@ int vcgFactory::FromVCGMeshExtractVTKPoints(const MeshType &mesh, vtkPoints *poi

return 1;
}
} // namespace utils

#endif // UTILSVCGFACTORY_H
template <typename MeshType>
int vcgFactory::FromVCGMeshExtractFacesVertices(const MeshType &mesh, int* faces, double *vertices) {
// Only works with triangular meshes only (no face with more than 3 vertices)

int i = 0;
vcg::SimpleTempData<typename const MeshType::VertContainer, int> indices(mesh.vert);
for (auto &&vertex : mesh.vert) {
indices[vertex] = i++;
}
i = 0;
for (auto &&f : mesh.face) {
for (int k = 0; k < f.VN(); ++k)
faces[3 * i + k] = indices[f.cV(k)];
i++;
}

i = 0;
for (auto &&vertex : mesh.vert) {
auto point = vertex.P();
vertices[3 * i] = point.X();
vertices[3 * i + 1] = point.Y();
vertices[3 * i + 2] = point.Z();
i++;
}

return 1;
}

template <typename MeshType>
int vcgFactory::FromVCGMeshBuildVTKPolyData(const MeshType &mesh, vtkPolyData *polydata) {

// Only for triangular polygons

vtkSmartPointer<vtkCellArray> polygons = vtkSmartPointer<vtkCellArray>::New();
vtkSmartPointer<vtkPolygon> polygon = vtkSmartPointer<vtkPolygon>::New();
vtkSmartPointer<vtkPoints> points = vtkSmartPointer<vtkPoints>::New();

int* faces = new int[3 * mesh.fn];
double *vertices = new double[3 * mesh.vn];
int res = FromVCGMeshExtractFacesVertices(mesh, faces, vertices);

for (int i = 0; i < mesh.vn; i++)
points->InsertNextPoint(vertices[3 * i], vertices[3 * i + 1], vertices[3 * i + 2]);

polygon->GetPointIds()->SetNumberOfIds(3);
for (int i = 0; i < mesh.fn; i++) {
polygon->GetPointIds()->SetId(0, faces[3 * i]);
polygon->GetPointIds()->SetId(1, faces[3 * i + 1]);
polygon->GetPointIds()->SetId(2, faces[3 * i + 2]);
polygons->InsertNextCell(polygon);
}

polydata->SetPoints(points);
polydata->SetPolys(polygons);

delete faces;
delete vertices;

return 1;
}
} // namespace utils

#endif // UTILSVCGFACTORY_H