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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
8 modification, are permitted provided that the following conditions are met:
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10 1. Redistributions of source code must retain the above copyright notice,
11  this list of conditions and the following disclaimer.
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13 2. Redistributions in binary form must reproduce the above copyright notice,
14  this list of conditions and the following disclaimer in the documentation
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17 3. Neither the name of the copyright holder nor the names of its contributors
18  may be used to endorse or promote products derived from this software
19  without specific prior written permission.
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21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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30 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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)