Fraxinus  16.5.0-fx-rc8
An IGT application
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cxVolumeProperty.cpp
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
3 
4 Copyright (c) 2008-2014, SINTEF Department of Medical Technology
5 All rights reserved.
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7 Redistribution and use in source and binary forms, with or without
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31 =========================================================================*/
32 
33 #include "cxVolumeProperty.h"
34 
35 #include <vtkPiecewiseFunction.h>
36 #include <vtkColorTransferFunction.h>
37 #include <vtkVolumeProperty.h>
38 
39 #include "cxImage.h"
40 #include "cxImageTF3D.h"
41 
42 
43 namespace cx
44 {
45 
46 VolumeProperty::VolumeProperty() : QObject(),
47  mOpacityTransferFunction(vtkPiecewiseFunctionPtr::New()),
48  mColorTransferFunction(vtkColorTransferFunctionPtr::New()),
49  mVolumeProperty(vtkVolumePropertyPtr::New())
50 {
51  double maxVal = 255;
52  mOpacityTransferFunction->AddPoint(0.0, 0.0);
53  mOpacityTransferFunction->AddPoint(maxVal, 1.0);
54 
55  mColorTransferFunction->SetColorSpaceToRGB();
56  mColorTransferFunction->AddRGBPoint(0.0, 0.0, 0.0, 0.0);
57  mColorTransferFunction->AddRGBPoint(maxVal, 1.0, 1.0, 1.0);
58 
59  mVolumeProperty->SetColor(mColorTransferFunction);
60  mVolumeProperty->SetScalarOpacity(mOpacityTransferFunction);
61  mVolumeProperty->SetInterpolationTypeToLinear();
62 
63  // from snw
64  mVolumeProperty->ShadeOff();
65  mVolumeProperty->SetAmbient ( 0.2 );
66  mVolumeProperty->SetDiffuse ( 0.9 );
67  mVolumeProperty->SetSpecular ( 0.3 );
68  mVolumeProperty->SetSpecularPower ( 15.0 );
69  mVolumeProperty->SetScalarOpacityUnitDistance(0.8919);
70 }
71 
73 {
74  return mVolumeProperty;
75 }
76 
78 {
79  if (image==mImage)
80  {
81  return;
82  }
83 
84  if (mImage)
85  {
86  disconnect(mImage.get(), SIGNAL(vtkImageDataChanged()), this, SLOT(transferFunctionsChangedSlot()));
87  disconnect(mImage.get(), SIGNAL(transferFunctionsChanged()), this, SLOT(transferFunctionsChangedSlot()));
88  }
89 
90  mImage = image;
91 
92  if (mImage)
93  {
94  connect(mImage.get(), SIGNAL(vtkImageDataChanged()), this, SLOT(transferFunctionsChangedSlot()));
95  connect(mImage.get(), SIGNAL(transferFunctionsChanged()), this, SLOT(transferFunctionsChangedSlot()));
96  }
97 
98  this->transferFunctionsChangedSlot();
99 }
100 
101 void VolumeProperty::transferFunctionsChangedSlot()
102 {
103  if (!mImage)
104  return;
105 
106  mVolumeProperty->SetColor(mImage->getTransferFunctions3D()->getColorTF());
107  mVolumeProperty->SetScalarOpacity(mImage->getTransferFunctions3D()->getOpacityTF());
108  mVolumeProperty->SetShade(mImage->getShadingOn());
109 
110  mVolumeProperty->SetAmbient(mImage->getShadingAmbient());
111  mVolumeProperty->SetDiffuse(mImage->getShadingDiffuse());
112  mVolumeProperty->SetSpecular(mImage->getShadingSpecular());
113  mVolumeProperty->SetSpecularPower(mImage->getShadingSpecularPower());
114 
115  mVolumeProperty->SetInterpolationType(mImage->getInterpolationType());
116 }
117 
118 } // namespace cx
119 
120 
vtkSmartPointer< class vtkVolumeProperty > vtkVolumePropertyPtr
boost::shared_ptr< class Image > ImagePtr
Definition: cxDicomWidget.h:48
vtkSmartPointer< class vtkPiecewiseFunction > vtkPiecewiseFunctionPtr
vtkSmartPointer< class vtkColorTransferFunction > vtkColorTransferFunctionPtr
vtkVolumePropertyPtr getVolumeProperty()
void setImage(ImagePtr image)