source: GTP/trunk/Lib/Geom/shared/GTGeometry/src/GeoMeshSimplifier.cpp @ 774

#include "GeoMeshSimplifier.h"
#include "GeoMeshSimpSequence.h"
#include "SimplificationMethod.h"
#include <iostream>
#include <fstream>

using namespace Geometry;
using namespace std;

MeshSimplifier::MeshSimplifier( const Geometry::Mesh    *m,
                                                                                                                                Geometry::TIPOFUNC              upb)
{
        objmesh                                 =       m;
        meshsalida                      =       NULL;
        msimpsequence           =       NULL;
        indexMeshLeaves =       -1;

        //      Sets the actual progress bar function.
        mUPB    =       upb;
}

MeshSimplifier::~MeshSimplifier()
{
        delete msimpsequence;
}

// Returns the simplified mesh.
Geometry::Mesh *MeshSimplifier::GetMesh ()
{
        return meshsalida;
}

void MeshSimplifier::setMeshLeaves(Geometry::Index index)
{
        indexMeshLeaves =       index;
}

// Returns the simplification sequence for general meshes.
Geometry::MeshSimplificationSequence *MeshSimplifier::GetSimplificationSequence()
{
        return msimpsequence;
}

ImageBasedSimplifier::ImageBasedSimplifier (const Geometry::Mesh        *m,
                                                                                                                                                                                Geometry::TIPOFUNC              upb)
                                                                                                                                                                                :MeshSimplifier(m,upb)
{
}

ImageBasedSimplifier::~ImageBasedSimplifier()
{
}

// Starts the simplification process. Receives as a parameter the LOD factor in a range of [0,1]. Implements the Simplifier::Simplify method to perform an image based simplification.
void ImageBasedSimplifier::Simplify (Geometry::Real paramlod)
{
        SimplificationMethod *m_qslim   =       new SimplificationMethod(objmesh);
        
        m_qslim->setMeshLeaves(indexMeshLeaves);
        
        msimpsequence   =       m_qslim->Decimate(paramlod,&meshsalida,0,mUPB);
        
        delete  m_qslim;
}

// Starts the simplification process. Receives as a parameter the number of vertices of the resulting mesh. Implements the Simplifier::Simplify method to perform an image based simplification.
void ImageBasedSimplifier::Simplify (Geometry::uint32 numvertices)
{
        SimplificationMethod *m_qslim   =       new SimplificationMethod(objmesh);
        
        m_qslim->setMeshLeaves(indexMeshLeaves);
        
        msimpsequence   =       m_qslim->Decimate((float)numvertices,&meshsalida,1,mUPB);
        
        delete m_qslim;
}