SurfaceCleaner.cpp

/*
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 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 */

#include <vtkDecimatePro.h>
#include <vtkLinearSubdivisionFilter.h>
#include "Exception.hpp"
#include "SurfaceCleaner.hpp"

SurfaceCleaner::SurfaceCleaner()
    : mpInputSurface(),
      mpOutputSurface(),
      mDecimateTargetReduction(0.9994),
      mDecimateFeatureAngle(15.0),
      mLinearSubdivisionNumber(3)
{

}

boost::shared_ptr<SurfaceCleaner> SurfaceCleaner::Create()
{
    MAKE_PTR(SurfaceCleaner, pSelf);
    return pSelf;
}

SurfaceCleaner::~SurfaceCleaner()
{

}

vtkSmartPointer<vtkPolyData> SurfaceCleaner::GetOutput()
{
    if(mpOutputSurface)
    {
        return(mpOutputSurface);
    }
    else
    {
        EXCEPTION("No output set. Did you run 'Update()' ?");
    }
}

void SurfaceCleaner::SetInput(vtkSmartPointer<vtkPolyData> pInput)
{
    mpInputSurface = pInput;
}

void SurfaceCleaner::SetDecimateTargetReduction(double value)
{
    mDecimateTargetReduction = value;
}

void SurfaceCleaner::SetDecimateFeatureAngle(double value)
{
    mDecimateFeatureAngle = value;
}

void SurfaceCleaner::SetLinearSubdivisionNumber(double value)
{
    mLinearSubdivisionNumber = value;
}

void SurfaceCleaner::Update()
{
    if(!mpInputSurface)
    {
        EXCEPTION("No input set.");
    }

    vtkSmartPointer<vtkDecimatePro> p_decimate = vtkSmartPointer<vtkDecimatePro>::New();
    #if VTK_MAJOR_VERSION <= 5
        p_decimate->SetInput(mpInputSurface);
    #else
        p_decimate->SetInputData(mpInputSurface);
    #endif
    p_decimate->SetTargetReduction(mDecimateTargetReduction);
    p_decimate->SetFeatureAngle(mDecimateFeatureAngle);
    p_decimate->Update();

    vtkSmartPointer<vtkLinearSubdivisionFilter> p_divide = vtkSmartPointer<vtkLinearSubdivisionFilter>::New();
    p_divide->SetInputConnection(p_decimate->GetOutputPort());
    p_divide->SetNumberOfSubdivisions(mLinearSubdivisionNumber);
    p_divide->Update();

    mpOutputSurface = p_divide->GetOutput();
}