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otbMosaicFromDirectoryHandler.txx 4.66 KiB
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/*
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 * otbMosaicFromDirectoryHandler.hxx
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 *
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 *  Created on: 24 mars 2016
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 *      Author: cresson
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 */
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#ifndef MODULES_REMOTE_OTB_MosaicFromDirectoryHandler_INCLUDE_OTBMosaicFromDirectoryHandler_HXX_
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#define MODULES_REMOTE_OTB_MosaicFromDirectoryHandler_INCLUDE_OTBMosaicFromDirectoryHandler_HXX_
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#include "otbMosaicFromDirectoryHandler.h"
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#include "otbImageFileWriter.h"
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namespace otb
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{
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template <class TOutputImage, class TReferenceImage>
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MosaicFromDirectoryHandler<TOutputImage, TReferenceImage>
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::MosaicFromDirectoryHandler()
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 {
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  mosaicFilter = MosaicFilterType::New();
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  castFilter = CastFilterType::New();
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  m_UseReferenceImage = false;
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  m_RefImagePtr = 0;
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 }
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template <class TOutputImage, class TReferenceImage>
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MosaicFromDirectoryHandler<TOutputImage, TReferenceImage>
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::~MosaicFromDirectoryHandler()
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{
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}
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template <class TOutputImage, class TReferenceImage>
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void
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MosaicFromDirectoryHandler<TOutputImage, TReferenceImage>
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::GenerateOutputInformation()
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 {
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  if (m_Directory[m_Directory.size()-1] != '/')
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    {
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    // If not, we add the separator
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    m_Directory.append("/");
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    }
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  // Get the list of files in the directory
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  itk::Directory::Pointer dir = itk::Directory::New();
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  if (!dir->Load(m_Directory.c_str()))
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    {
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    itkExceptionMacro(<< "Unable to browse directory " << m_Directory);
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    }
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  // Instanciate a new mosaic filter
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  mosaicFilter = MosaicFilterType::New();
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  mosaicFilter->SetGlobalWarningDisplay(false);
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  readers.clear();
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  resamplers.clear();
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  // Browse the directory
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  for (unsigned int i = 0; i < dir->GetNumberOfFiles(); i++)
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    {
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    const char *filename = dir->GetFile(i);
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    std::string sfilename(filename);
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    sfilename = m_Directory + sfilename;
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    // Try to read the file
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    otb::ImageIOBase::Pointer imageIO =
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        otb::ImageIOFactory::CreateImageIO(sfilename.c_str(),otb::ImageIOFactory::ReadMode);
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    if( imageIO.IsNotNull() )
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      {
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        // create reader
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        ReaderPointerType reader = ReaderType::New();
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reader->SetFileName(sfilename); reader->UpdateOutputInformation(); readers.push_back(reader); if (m_UseReferenceImage) { ResamplerPointerType resampler = ResamplerType::New(); resampler->SetInput(reader->GetOutput()); // Setup transform through projRef and Keywordlist SpacingType defSpacing = m_RefImagePtr->GetSignedSpacing(); defSpacing[0] *= 10; defSpacing[1] *= 10; resampler->SetDisplacementFieldSpacing(defSpacing); // resampler->SetInputKeywordList(reader->GetOutput()->GetImageKeywordlist()); resampler->SetInputProjectionRef(reader->GetOutput()->GetProjectionRef()); // resampler->SetOutputKeywordList(m_RefImagePtr->GetImageKeywordlist()); resampler->SetOutputProjectionRef(m_RefImagePtr->GetProjectionRef()); resampler->SetOutputOrigin(m_RefImagePtr->GetOrigin()); resampler->SetOutputSpacing(m_RefImagePtr->GetSignedSpacing()); resampler->SetOutputSize(m_RefImagePtr->GetLargestPossibleRegion().GetSize()); resampler->SetOutputStartIndex(m_RefImagePtr->GetLargestPossibleRegion().GetIndex()); typename NNInterpolatorType::Pointer interpolator = NNInterpolatorType::New(); resampler->SetInterpolator(interpolator); resamplers.push_back(resampler); mosaicFilter->PushBackInput(resampler->GetOutput()); } else { mosaicFilter->PushBackInput(reader->GetOutput()); } } else { // itkWarningMacro(<<"Unable to read file " << sfilename); } } if (m_UseReferenceImage) { mosaicFilter->SetOutputOrigin(m_RefImagePtr->GetOrigin()); mosaicFilter->SetOutputSpacing(m_RefImagePtr->GetSignedSpacing()); mosaicFilter->SetOutputSize(m_RefImagePtr->GetLargestPossibleRegion().GetSize()); } else { mosaicFilter->SetOutputOrigin(m_OutputOrigin); mosaicFilter->SetOutputSpacing(m_OutputSpacing); mosaicFilter->SetOutputSize(m_OutputSize); } mosaicFilter->SetAutomaticOutputParametersComputation(false); castFilter->SetInput(mosaicFilter->GetOutput()); castFilter->GraftOutput( this->GetOutput() ); castFilter->UpdateOutputInformation(); this->GraftOutput( castFilter->GetOutput() ); } template <class TOutputImage, class TReferenceImage> void MosaicFromDirectoryHandler<TOutputImage, TReferenceImage> ::GenerateData() { castFilter->GraftOutput( this->GetOutput() );
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castFilter->Update(); this->GraftOutput( castFilter->GetOutput() ); } } // end namespace otb #endif /* MODULES_REMOTE_OTB_MosaicFromDirectoryHandler_INCLUDE_OTBMosaicFromDirectoryHandler_HXX_ */