/*=========================================================================
-
- Program: clitk
- Module: $RCSfile: clitkVfImageIO.cxx,v $
- Language: C++
- Date: $Date: 2010/01/06 13:32:01 $
- Version: $Revision: 1.1 $
-
- Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
- l'Image). All rights reserved. See Doc/License.txt or
- http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
-
- This software is distributed WITHOUT ANY WARRANTY; without even
- the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- PURPOSE. See the above copyright notices for more information.
-
-=========================================================================*/
+ Program: vv http://www.creatis.insa-lyon.fr/rio/vv
+ Authors belong to:
+ - University of LYON http://www.universite-lyon.fr/
+ - Léon Bérard cancer center http://www.centreleonberard.fr
+ - CREATIS CNRS laboratory http://www.creatis.insa-lyon.fr
+ This software is distributed WITHOUT ANY WARRANTY; without even
+ the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ PURPOSE. See the copyright notices for more information.
+ It is distributed under dual licence
+
+ - BSD See included LICENSE.txt file
+ - CeCILL-B http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
+===========================================================================**/
#ifndef CLITKVFIMAGEIO_CXX
#define CLITKVFIMAGEIO_CXX
* @file clitkVfImageIO.cxx
* @author Simon Rit <simon.rit@gmail.com>
* @date Mon Sep 18 10:14:53 2006
- *
+ *
* @brief VectorField .vf I/O implementation
- *
- *
+ *
+ *
*/
// clitk include
//====================================================================
// Read Image Information
-void clitk::VfImageIO::ReadImageInformation()
+void clitk::VfImageIO::ReadImageInformation()
{
// open file
std::ifstream is;
- clitk::openFileForReading(is, m_FileName);
+ clitk::openFileForReading(is, m_FileName);
// read magic number
- std::string mn;
- is >> mn;
+ std::string mn;
+ is >> mn;
//DD(mn);
if (mn != "IAMA3DVECTORFIELD") {
- itkExceptionMacro(<<"read magic number '" << mn << "' while expect IAMA3DVECTORFIELD");
- }
+ itkExceptionMacro(<<"read magic number '" << mn << "' while expect IAMA3DVECTORFIELD");
+ }
// read vf file version
- skipComment(is);
- is >> mn;
+ skipComment(is);
+ is >> mn;
//DD(mn);
if (mn != "V2") {
- itkExceptionMacro(<<"read old format '" << mn << "'. TODO");
- }
-
+ itkExceptionMacro(<<"read old format '" << mn << "'. TODO");
+ }
+
// read grid size/spacing
itk::Vector<unsigned int,3> dim;
itk::Vector<double,3> spacing;
itk::Vector<double,3> origin;
origin.Fill(0.0);
- skipComment(is);
- is >> dim[0];
- is >> dim[1];
+ skipComment(is);
+ is >> dim[0];
+ is >> dim[1];
is >> dim[2];
// DD(dim);
is >> spacing[0];
is >> spacing[1];
is >> spacing[2];
// DD(spacing);
-
+
// get header size
m_HeaderSize = is.tellg();
m_HeaderSize+=2;
// set dimension values
SetNumberOfDimensions(3);
for(unsigned int i=0; i<3; i++) {
- SetDimensions(i,dim[i]);
- SetSpacing(i,spacing[i]);
- SetOrigin(i,origin[i]);
+ SetDimensions(i,dim[i]);
+ SetSpacing(i,spacing[i]);
+ SetOrigin(i,origin[i]);
}
// set other information
SetByteOrderToLittleEndian();
SetPixelType(itk::ImageIOBase::VECTOR);
- SetNumberOfComponents(3);
+ SetNumberOfComponents(3);
SetComponentType(itk::ImageIOBase::FLOAT);
} ////
//====================================================================
// Read Image Information
-bool clitk::VfImageIO::CanReadFile(const char* FileNameToRead)
+bool clitk::VfImageIO::CanReadFile(const char* FileNameToRead)
{
std::string filename(FileNameToRead);
std::string filenameext = GetExtension(filename);
//====================================================================
// Read Image Content
-void clitk::VfImageIO::Read(void * buffer)
+void clitk::VfImageIO::Read(void * buffer)
{
// Adapted from itkRawImageIO
unsigned long streamStart = m_HeaderSize;
file.seekg((long)streamStart, std::ios::beg);
if ( file.fail() ) {
- itkExceptionMacro(<<"File seek failed (Vf Read)");
+ itkExceptionMacro(<<"File seek failed (Vf Read)");
}
-
+
float * tmpBuff = new float[GetImageSizeInComponents()];
if(!this->ReadBufferAsBinary(file, tmpBuff, GetImageSizeInBytes())) {
- itkExceptionMacro(<<"Read failed: Wanted "
- << GetImageSizeInBytes()
- << " bytes, but read "
- << file.gcount() << " bytes.");
+ itkExceptionMacro(<<"Read failed: Wanted "
+ << GetImageSizeInBytes()
+ << " bytes, but read "
+ << file.gcount() << " bytes.");
}
itkDebugMacro(<< "Reading Done");
-
+
float *pb = (float *)buffer;
float *px = tmpBuff;
float *py = tmpBuff + GetImageSizeInPixels();
float *pz = tmpBuff + 2 * GetImageSizeInPixels();
const float *pbe = (float *)buffer + GetImageSizeInComponents();
- while(pb != pbe){
+ while(pb != pbe) {
*pb++ = (*px++)*GetSpacing(0);
*pb++ = (*py++)*GetSpacing(1);
*pb++ = (*pz++)*GetSpacing(2);
}
delete [] tmpBuff;
-
+
typedef itk::ByteSwapper< float > InternalByteSwapperType;
InternalByteSwapperType::SwapRangeFromSystemToLittleEndian((float *)buffer, GetImageSizeInComponents());
}
{
// Check dimension
if (GetNumberOfDimensions() != 3) {
- itkExceptionMacro(<<"Write failed: only 3D image for Vf file format yet.");
+ itkExceptionMacro(<<"Write failed: only 3D image for Vf file format yet.");
}
// Open the file
clitk::openFileForWriting(file, m_FileName);
+ file.precision(40);
// write magic number
file << "IAMA3DVECTORFIELD V2 " << std::endl;
// write grid size/spacing
- file << GetDimensions(0) << ' '
- << GetDimensions(1) << ' '
- << GetDimensions(2) << ' '
- << GetSpacing(0) << ' '
- << GetSpacing(1) << ' '
- << GetSpacing(2) << ' ' << std::endl;
+ file << GetDimensions(0) << ' '
+ << GetDimensions(1) << ' '
+ << GetDimensions(2) << ' '
+ << GetSpacing(0) << ' '
+ << GetSpacing(1) << ' '
+ << GetSpacing(2) << ' ' << std::endl;
// close file
- if (!keepOfStream) file.close();
+ if (!keepOfStream) file.close();
}
-
+
//====================================================================
// Write Image Information
bool clitk::VfImageIO::CanWriteFile(const char* FileNameToWrite)
//====================================================================
// Write Image
-void clitk::VfImageIO::Write(const void * buffer)
+void clitk::VfImageIO::Write(const void * buffer)
{
clitk::VfImageIO::WriteImageInformation(true);
-
+
typedef itk::ByteSwapper< float > InternalByteSwapperType;
std::cout << "GetImageSizeInBytes() " << GetImageSizeInBytes() << std::endl;
float* tempBuffer = new float[ GetImageSizeInPixels() ];
- for(int i=0 ; i< 3 ; i++){
- float *pb = (float *)buffer;
- pb+=i;
- float *ptb = tempBuffer;
- const float *pbe = (float *)buffer + GetImageSizeInComponents() + i;
- while(pb != pbe){
- *ptb++ = (*pb)/GetSpacing(i);
- pb+=3;
- }
- InternalByteSwapperType::SwapRangeFromSystemToLittleEndian(tempBuffer,GetImageSizeInPixels());
- file.write((char*)tempBuffer, GetImageSizeInBytes()/3 );
+ for(int i=0 ; i< 3 ; i++) {
+ float *pb = (float *)buffer;
+ pb+=i;
+ float *ptb = tempBuffer;
+ const float *pbe = (float *)buffer + GetImageSizeInComponents() + i;
+ while(pb != pbe) {
+ *ptb++ = (*pb)/GetSpacing(i);
+ pb+=3;
+ }
+ InternalByteSwapperType::SwapRangeFromSystemToLittleEndian(tempBuffer,GetImageSizeInPixels());
+ file.write((char*)tempBuffer, GetImageSizeInBytes()/3 );
}
- delete [] tempBuffer;
-
+ delete [] tempBuffer;
+
file.close();
} ////
git://git.creatis.insa-lyon.fr / clitk.git / blobdiff