1 /*=========================================================================
2 Program: vv http://www.creatis.insa-lyon.fr/rio/vv
5 - University of LYON http://www.universite-lyon.fr/
6 - Léon Bérard cancer center http://oncora1.lyon.fnclcc.fr
7 - CREATIS CNRS laboratory http://www.creatis.insa-lyon.fr
9 This software is distributed WITHOUT ANY WARRANTY; without even
10 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
11 PURPOSE. See the copyright notices for more information.
13 It is distributed under dual licence
15 - BSD See included LICENSE.txt file
16 - CeCILL-B http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
17 ======================================================================-====*/
21 #include "clitkCommon.h"
22 #include <vtkImageData.h>
23 #include <vtkImageReslice.h>
26 #include <vtkTransform.h>
30 //--------------------------------------------------------------------
31 vvImage::vvImage():mTransform(vtkSmartPointer<vtkTransform>::New())
35 //--------------------------------------------------------------------
38 //--------------------------------------------------------------------
44 //--------------------------------------------------------------------
46 //--------------------------------------------------------------------
49 DD("vvImage got deleted!");
52 //--------------------------------------------------------------------
54 //--------------------------------------------------------------------
57 for (unsigned int i = 0; i < mVtkImages.size(); i++)
59 mVtkImages[i]->Delete();
61 mVtkImageReslice[i]->GetInput()->Delete();
65 mVtkImageReslice.resize(0);
69 //--------------------------------------------------------------------
71 //--------------------------------------------------------------------
72 void vvImage::SetImage(std::vector< vtkImageData* > images)
75 for (unsigned int i = 0; i < images.size(); i++)
78 //--------------------------------------------------------------------
81 //--------------------------------------------------------------------
82 void vvImage::AddImage(vtkImageData* image)
85 mVtkImages.push_back(image);
89 mVtkImageReslice.push_back(vtkSmartPointer<vtkImageReslice>::New());
90 mVtkImageReslice.back()->SetInterpolationModeToLinear();
91 mVtkImageReslice.back()->AutoCropOutputOn();
92 mVtkImageReslice.back()->SetBackgroundColor(-1000,-1000,-1000,1);
93 mVtkImageReslice.back()->SetResliceTransform(mTransform);
94 mVtkImageReslice.back()->SetInput(0, image);
95 mVtkImageReslice.back()->Update();
96 mVtkImages.push_back( mVtkImageReslice.back()->GetOutput(0) );
98 //--------------------------------------------------------------------
100 //--------------------------------------------------------------------
101 int vvImage::GetNumberOfSpatialDimensions()
103 int dim=GetNumberOfDimensions();
104 if (IsTimeSequence())
109 //--------------------------------------------------------------------
111 //--------------------------------------------------------------------
112 int vvImage::GetNumberOfDimensions() const
114 if (mVtkImages.size()) {
117 mVtkImages[0]->GetWholeExtent(extent);
118 if (extent[5] - extent[4] >= 1)
120 if (mVtkImages.size() > 1)
126 //--------------------------------------------------------------------
128 //--------------------------------------------------------------------
129 void vvImage::GetScalarRange(double* range)
131 assert(mVtkImages.size());
132 double * temp = mVtkImages[0]->GetScalarRange();
135 for (unsigned int i=1; i<mVtkImages.size(); i++) {
136 temp = mVtkImages[i]->GetScalarRange();
137 if (temp[0] < range[0]) range[0]=temp[0];
138 if (temp[1] > range[1]) range[1]=temp[1];
141 //--------------------------------------------------------------------
143 //--------------------------------------------------------------------
144 std::string vvImage::GetScalarTypeAsITKString()
146 // WARNING VTK pixel type different from ITK Pixel type
147 std::string vtktype = mVtkImages[0]->GetScalarTypeAsString();
148 if (vtktype == "unsigned char") return "unsigned_char";
149 if (vtktype == "unsigned short") return "unsigned_short";
150 if (vtktype == "unsigned int") return "unsigned_int";
153 //--------------------------------------------------------------------
155 //--------------------------------------------------------------------
156 int vvImage::GetNumberOfScalarComponents()
158 return mVtkImages[0]->GetNumberOfScalarComponents();
160 //--------------------------------------------------------------------
162 //--------------------------------------------------------------------
163 int vvImage::GetScalarSize()
165 return mVtkImages[0]->GetScalarSize();
167 //--------------------------------------------------------------------
169 //--------------------------------------------------------------------
170 std::vector<double> vvImage::GetSpacing()
172 std::vector<double> spacing;
173 int dim = this->GetNumberOfDimensions();
174 for (int i = 0; i < dim; i++) {
176 spacing.push_back(mTimeSpacing);
178 spacing.push_back(mVtkImages[0]->GetSpacing()[i]);
182 //--------------------------------------------------------------------
183 std::vector<double> vvImage::GetOrigin() const
185 std::vector<double> origin;
186 int dim = this->GetNumberOfDimensions();
187 for (int i = 0; i < dim; i++) {
189 origin.push_back(mTimeOrigin);
191 origin.push_back(mVtkImages[0]->GetOrigin()[i]);
195 //--------------------------------------------------------------------
197 //--------------------------------------------------------------------
198 std::vector<int> vvImage::GetSize()
200 std::vector<int> size0;
201 int dim = this->GetNumberOfDimensions();
202 for (int i = 0; i < dim; i++) {
204 size0.push_back(mVtkImages.size());
206 size0.push_back(mVtkImages[0]->GetDimensions()[i]);
210 //--------------------------------------------------------------------
212 //--------------------------------------------------------------------
213 unsigned long vvImage::GetActualMemorySize()
215 unsigned long size = 0;
216 for (unsigned int i = 0; i < mVtkImages.size(); i++) {
217 size += mVtkImages[i]->GetActualMemorySize();
221 //--------------------------------------------------------------------
224 //--------------------------------------------------------------------
225 bool vvImage::IsTimeSequence()
227 return mVtkImages.size()>1;
229 //--------------------------------------------------------------------
232 //--------------------------------------------------------------------
233 const std::vector<vtkImageData*>& vvImage::GetVTKImages()
237 //--------------------------------------------------------------------
239 //--------------------------------------------------------------------
240 vtkImageData* vvImage::GetFirstVTKImageData()
242 return mVtkImages[0];
244 //--------------------------------------------------------------------
246 //--------------------------------------------------------------------
247 bool vvImage::IsScalarTypeInteger()
249 assert(mVtkImages.size()> 0);
250 int t = mVtkImages[0]->GetScalarType();
251 return IsScalarTypeInteger(t);
253 //--------------------------------------------------------------------
255 //--------------------------------------------------------------------
256 bool vvImage::IsScalarTypeInteger(int t)
258 if ((t == VTK_BIT) ||
260 (t == VTK_UNSIGNED_CHAR) ||
262 (t == VTK_UNSIGNED_SHORT) ||
264 (t == VTK_UNSIGNED_INT) ||
266 (t == VTK_UNSIGNED_LONG)) {
273 //--------------------------------------------------------------------
275 //--------------------------------------------------------------------
276 vtkSmartPointer<vtkTransform> vvImage::GetTransform()
278 return this->mTransform;
280 //--------------------------------------------------------------------
282 //--------------------------------------------------------------------
283 void vvImage::UpdateReslice()
285 for (unsigned int i=0; i<mVtkImageReslice.size(); i++) {
286 mVtkImageReslice[i]->Update();
289 //--------------------------------------------------------------------
292 //--------------------------------------------------------------------
293 vtkImageData * CopyAndCastToFloatFrom(vtkImageData * input)
295 vtkImageData * p = vtkImageData::New();
296 p->SetExtent(input->GetExtent ()); // Only first ! could not be 4D
297 p->SetScalarTypeToFloat();
298 p->AllocateScalars();
299 p->CopyAndCastFrom(input, input->GetExtent());
302 //--------------------------------------------------------------------
305 #endif // VVIMAGE_CXX