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#ifdef HAVE_VTK
#include "VTKWrap.hpp"
#include "VTKWindow.hpp"
#include <QtCore/QString>
#include <QtGui/QLabel>
#include <QtGui/QMenu>
#include <QtGui/QMenuBar>
#include <QtGui/QAction>
#include <QtGui/QFrame>
#include <QtGui/QComboBox>
#include <QtGui/QHBoxLayout>
#include <QtGui/QVBoxLayout>
#include <QtGui/QCompleter>
#include <QtGui/QFileSystemModel>
#include <QtGui/QPushButton>
#include <QtGui/QSplitter>
#include <QtGui/QGroupBox>
#include <QtCore/QDebug>
#include <vtkActor.h>
#include <vtkRenderer.h>
#include <vtkRenderWindow.h>
#include "vtkCylinderSource.h"
#include <vtkPolyDataMapper.h>
#include <vtkStructuredPointsReader.h>
#include <vtkStructuredPoints.h>
#include <vtkVolumeRayCastMapper.h>
#include <vtkPiecewiseFunction.h>
#include <vtkColorTransferFunction.h>
#include <vtkVolumeProperty.h>
#include <vtkVolumeRayCastCompositeFunction.h>
#include <vtkVolumeTextureMapper3D.h>
#include <vtkOpenGLVolumeTextureMapper3D.h>
#include <vtkFixedPointVolumeRayCastMapper.h>
#include <vtkImagePlaneWidget.h>
#include <vtkActor2D.h>
#include <vtkOpenGLImageMapper.h>
#include <vtkImageReslice.h>
#include <vtkPNGWriter.h>
#include <vtkProperty.h>
#include <vtkImageImport.h>
void VTKViewer::LoadData(const Array &dp,
const Array &Opacity,
const Array &ColorTransfer,
const Array &Material) {
source = vtkImageImport::New();
volume = dp.asDenseArray().toClass(UInt16);
source->SetImportVoidPointer(volume.getVoidPointer());
source->SetDataScalarTypeToUnsignedShort();
source->SetDataExtent(0,volume.dimensions()[0]-1,
0,volume.dimensions()[1]-1,
0,volume.dimensions()[2]-1);
// Create transfer mapping scalar value to opacity
vtkPiecewiseFunction* opacityTransferFunction = vtkPiecewiseFunction::New();
const BasicArray<double>& opt = Opacity.constReal<double>();
for (int i=0;i<opt.cols();i++)
opacityTransferFunction->AddPoint(opt[NTuple(1,i+1)],opt[NTuple(2,i+1)]);
// Create transfer mapping scalar value to color
vtkColorTransferFunction* colorTransferFunction = vtkColorTransferFunction::New();
const BasicArray<double> &cpt = ColorTransfer.constReal<double>();
for (int i=0;i<cpt.cols();i++)
colorTransferFunction->AddHSVPoint(cpt[NTuple(1,i+1)],
cpt[NTuple(2,i+1)],
cpt[NTuple(3,i+1)],
cpt[NTuple(4,i+1)]);
// The property describes how the data will look
vtkVolumeProperty* volumeProperty = vtkVolumeProperty::New();
volumeProperty->SetColor ( colorTransferFunction );
volumeProperty->SetScalarOpacity ( opacityTransferFunction );
volumeProperty->ShadeOn();
const BasicArray<double> &mpt = Material.constReal<double>();
volumeProperty->SetDiffuse ( mpt[1] );
volumeProperty->SetAmbient ( mpt[2] );
volumeProperty->SetSpecular ( mpt[3] );
volumeProperty->SetSpecularPower ( mpt[4] );
volumeProperty->SetInterpolationTypeToLinear();
// The mapper / ray cast function know how to render the data
vtkVolumeRayCastCompositeFunction* compositeFunction = vtkVolumeRayCastCompositeFunction::New();
// Mapper
// mapper = vtkOpenGLVolumeTextureMapper3D::New();
mapper = vtkFixedPointVolumeRayCastMapper::New();
//mapper->ImmediateModeRenderingOn();
//mapper->SetVolumeRayCastFunction ( compositeFunction );
mapper->SetInputConnection ( source->GetOutputPort() );
source->Update();
qDebug() << source->GetOutput()->GetDimensions() [0];
qDebug() << source->GetOutput()->GetDimensions() [2];
// Actor in scene
actor = vtkVolume::New();
actor->SetMapper ( mapper );
actor->SetProperty ( volumeProperty );
// Add Actor to renderer
ren->AddVolume ( actor );
// Reset camera
ren->ResetCamera();
ren->GetRenderWindow()->Render();
}
VTKViewer::VTKViewer() {
actor = NULL;
QVBoxLayout *layout = new QVBoxLayout;
// QT/VTK interact
vtkWidget = new QVTKWidget ( this );
vtkWidget->setMinimumSize ( 400, 400 );
ren = vtkRenderer::New();
ren->SetBackground ( 1, 1, 1 );
vtkWidget->GetRenderWindow()->AddRenderer ( ren );
layout->addWidget(vtkWidget);
setLayout(layout);
source = NULL;
mapper = NULL;
actor = NULL;
}
VTKViewer::~VTKViewer() {
ren->Delete();
if ( source ) {
source->Delete();
}
if ( mapper ) {
mapper->Delete();
}
if ( actor ) {
actor->Delete();
}
}
// Help for volrender
//
// volrender(volume, opacityfunction, colortransferfunction, matlpropvec)
//@@Signature
//sgfunction vtkfigure VTKFigureFunction
//input render
//output none
ArrayVector VTKFigureFunction(int nargout, const ArrayVector& arg, Interpreter *)
{
if (arg.size() != 1) return ArrayVector();
vtkRenderer *r = GetVTKPointer<vtkRenderer>(arg[0]);
QVTKWidget *p = new QVTKWidget;
p->setMinimumSize(400,400);
p->GetRenderWindow()->AddRenderer(r);
p->show();
return ArrayVector();
}
//@@Signature
//sgfunction volrender VolRenderFunction
//input volume opacity ctransfer material
//output none
ArrayVector VolRenderFunction(int nargout, const ArrayVector& arg, Interpreter *)
{
if (arg.size() < 4)
throw Exception("volrender requires at least 4 arguments (volume, opacity, colortransfer, material)");
// Validate the data
if (arg[0].isReferenceType())
throw Exception("volrender cannot accept non-numeric volumes");
if (!arg[0].allReal())
throw Exception("volrender dataset cannot be complex");
Array Opacity = arg[1].asDenseArray().toClass(Double);
if (!Opacity.is2D() || Opacity.rows() != 2)
throw Exception("opacity argument must be a 2 X N array");
Array ColorTransfer = arg[2].asDenseArray().toClass(Double);
if (!ColorTransfer.is2D() || ColorTransfer.rows() != 4)
throw Exception("color transfer function must be a 4 X N array");
Array Material = arg[3].asDenseArray().toClass(Double);
if (Material.length() != 4)
throw Exception("material properties vector must be a length 4 vector");
VTKViewer *foo = new VTKViewer();
foo->LoadData(arg[0],Opacity,ColorTransfer,Material);
foo->show();
return ArrayVector();
}
//**********************************************************************
//#include "/home/sbasu/Devel/fm4/tools/vtkwrap/tst.c"
//**********************************************************************
#else
#include "Array.hpp"
ArrayVector VolRenderFunction(int nargout, const ArrayVector& arg, Interpreter *)
{
throw Exception("volrender function requires VTK support, which was not enabled at compile time");
}
ArrayVector VTKFigureFunction(int nargout, const ArrayVector& arg, Interpreter *)
{
throw Exception("vtkfigure function requries VTK support, which was not enabled at compile time");
}
#endif
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