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 <vtkGeneralTransform.h>
27 #include <vtkTransform.h>
28 #include <vtkGridTransform.h>
30 //--------------------------------------------------------------------
31 vvImage::vvImage():mGeneralTransform(vtkSmartPointer<vtkGeneralTransform>::New()),
32 mTransform (vtkSmartPointer<vtkTransform>::New()),
33 mGridTransform (vtkSmartPointer<vtkGridTransform>::New())
35 mGeneralTransform->Concatenate(mTransform);
36 mGeneralTransform->Concatenate(mGridTransform);
39 //--------------------------------------------------------------------
42 //--------------------------------------------------------------------
48 //--------------------------------------------------------------------
50 //--------------------------------------------------------------------
55 //--------------------------------------------------------------------
57 //--------------------------------------------------------------------
60 for (unsigned int i = 0; i < mVtkImages.size(); i++)
61 mVtkImageReslice[i]->GetInput()->Delete();
64 mVtkImageReslice.resize(0);
68 //--------------------------------------------------------------------
70 //--------------------------------------------------------------------
71 void vvImage::SetImage(std::vector< vtkImageData* > images)
74 for (unsigned int i = 0; i < images.size(); i++)
77 //--------------------------------------------------------------------
80 //--------------------------------------------------------------------
81 void vvImage::AddImage(vtkImageData* image)
83 mVtkImageReslice.push_back(vtkSmartPointer<vtkImageReslice>::New());
85 mVtkImageReslice.back()->SetInterpolationModeToLinear();
86 mVtkImageReslice.back()->AutoCropOutputOn();
87 mVtkImageReslice.back()->SetBackgroundColor(-1000,-1000,-1000,1);
88 mVtkImageReslice.back()->SetResliceTransform(mGeneralTransform);
89 mVtkImageReslice.back()->SetInput(0, image);
90 mVtkImageReslice.back()->Update();
92 mVtkImages.push_back( mVtkImageReslice.back()->GetOutput(0) );
94 //--------------------------------------------------------------------
96 //--------------------------------------------------------------------
97 int vvImage::GetNumberOfSpatialDimensions()
99 int dim=GetNumberOfDimensions();
100 if (IsTimeSequence())
105 //--------------------------------------------------------------------
107 //--------------------------------------------------------------------
108 int vvImage::GetNumberOfDimensions() const
110 if (mVtkImages.size()) {
113 mVtkImages[0]->GetWholeExtent(extent);
114 if (extent[5] - extent[4] >= 1)
116 if (mVtkImages.size() > 1)
122 //--------------------------------------------------------------------
124 //--------------------------------------------------------------------
125 void vvImage::GetScalarRange(double* range)
127 assert(mVtkImages.size());
128 double * temp = mVtkImages[0]->GetScalarRange();
131 for (unsigned int i=1; i<mVtkImages.size(); i++) {
132 temp = mVtkImages[i]->GetScalarRange();
133 if (temp[0] < range[0]) range[0]=temp[0];
134 if (temp[1] > range[1]) range[1]=temp[1];
137 //--------------------------------------------------------------------
139 //--------------------------------------------------------------------
140 std::string vvImage::GetScalarTypeAsITKString()
142 // WARNING VTK pixel type different from ITK Pixel type
143 std::string vtktype = mVtkImages[0]->GetScalarTypeAsString();
144 if (vtktype == "unsigned char") return "unsigned_char";
145 if (vtktype == "unsigned short") return "unsigned_short";
146 if (vtktype == "unsigned int") return "unsigned_int";
149 //--------------------------------------------------------------------
151 //--------------------------------------------------------------------
152 int vvImage::GetNumberOfScalarComponents()
154 return mVtkImages[0]->GetNumberOfScalarComponents();
156 //--------------------------------------------------------------------
158 //--------------------------------------------------------------------
159 int vvImage::GetScalarSize()
161 return mVtkImages[0]->GetScalarSize();
163 //--------------------------------------------------------------------
165 //--------------------------------------------------------------------
166 std::vector<double> vvImage::GetSpacing()
168 std::vector<double> spacing;
169 int dim = this->GetNumberOfDimensions();
170 for (int i = 0; i < dim; i++) {
172 spacing.push_back(mTimeSpacing);
174 spacing.push_back(mVtkImages[0]->GetSpacing()[i]);
178 //--------------------------------------------------------------------
179 std::vector<double> vvImage::GetOrigin() const
181 std::vector<double> origin;
182 int dim = this->GetNumberOfDimensions();
183 for (int i = 0; i < dim; i++) {
185 origin.push_back(mTimeOrigin);
187 origin.push_back(mVtkImages[0]->GetOrigin()[i]);
191 //--------------------------------------------------------------------
193 //--------------------------------------------------------------------
194 std::vector<int> vvImage::GetSize()
196 std::vector<int> size0;
197 int dim = this->GetNumberOfDimensions();
198 for (int i = 0; i < dim; i++) {
200 size0.push_back(mVtkImages.size());
202 size0.push_back(mVtkImages[0]->GetDimensions()[i]);
206 //--------------------------------------------------------------------
208 //--------------------------------------------------------------------
209 unsigned long vvImage::GetActualMemorySize()
211 unsigned long size = 0;
212 for (unsigned int i = 0; i < mVtkImages.size(); i++) {
213 size += mVtkImages[i]->GetActualMemorySize();
217 //--------------------------------------------------------------------
220 //--------------------------------------------------------------------
221 bool vvImage::IsTimeSequence()
223 return mVtkImages.size()>1;
225 //--------------------------------------------------------------------
228 //--------------------------------------------------------------------
229 const std::vector<vtkImageData*>& vvImage::GetVTKImages()
233 //--------------------------------------------------------------------
235 //--------------------------------------------------------------------
236 vtkImageData* vvImage::GetFirstVTKImageData()
238 return mVtkImages[0];
240 //--------------------------------------------------------------------
242 //--------------------------------------------------------------------
243 bool vvImage::IsScalarTypeInteger()
245 assert(mVtkImages.size()> 0);
246 int t = mVtkImages[0]->GetScalarType();
247 return IsScalarTypeInteger(t);
249 //--------------------------------------------------------------------
251 //--------------------------------------------------------------------
252 bool vvImage::IsScalarTypeInteger(int t)
254 if ((t == VTK_BIT) ||
256 (t == VTK_UNSIGNED_CHAR) ||
258 (t == VTK_UNSIGNED_SHORT) ||
260 (t == VTK_UNSIGNED_INT) ||
262 (t == VTK_UNSIGNED_LONG)) {
269 //--------------------------------------------------------------------
271 //--------------------------------------------------------------------
272 vtkSmartPointer<vtkTransform> vvImage::GetTransform()
276 //--------------------------------------------------------------------
278 //--------------------------------------------------------------------
279 vtkSmartPointer<vtkGridTransform> vvImage::GetGridTransform()
281 return mGridTransform;
283 //--------------------------------------------------------------------
285 //--------------------------------------------------------------------
286 void vvImage::UpdateReslice()
288 for (unsigned int i=0; i<mVtkImageReslice.size(); i++) {
289 mVtkImageReslice[i]->Update();
292 //--------------------------------------------------------------------
295 //--------------------------------------------------------------------
296 vtkImageData * CopyAndCastToFloatFrom(vtkImageData * input)
298 vtkImageData * p = vtkImageData::New();
299 p->SetExtent(input->GetExtent ()); // Only first ! could not be 4D
300 p->SetScalarTypeToFloat();
301 p->AllocateScalars();
302 p->CopyAndCastFrom(input, input->GetExtent());
305 //--------------------------------------------------------------------
308 #endif // VVIMAGE_CXX