Exemples de la formation

Utils/otbConcatenateImages.cxx

+#include <iostream>
+#include "otbImage.h"
+#include "otbVectorImage.h"
+#include "otbImageFileReader.h"
+#include "otbObjectList.h"
+#include "otbImageList.h"
+#include "otbImageListToVectorImageFilter.h"
+#include "otbStreamingImageFileWriter.h"
+#include "otbCommandLineArgumentParser.h"
+
+
+int main(int argc, char** argv)
+{
+  // Parse command line parameters
+  typedef otb::CommandLineArgumentParser ParserType;	
+  ParserType::Pointer parser = ParserType::New();
+  
+  parser->AddOutputImage();
+  parser->AddOption("--InputImagesList","Images list to concatenate","-il",argc-4,true);
+
+  typedef otb::CommandLineArgumentParseResult ParserResultType;
+  ParserResultType::Pointer  parseResult = ParserResultType::New();
+  
+  try
+    {
+      parser->ParseCommandLine(argc,argv,parseResult);
+    }
+  catch( itk::ExceptionObject & err ) 
+    { 
+      return EXIT_SUCCESS;
+    }
+
+  const unsigned int NbImages = argc-4;
+
+  std::cout << "Concat of " << NbImages << " images into a multi-band image " <<
+    std::endl;
+  
+  typedef unsigned short int PixelType;
+  const unsigned int Dimension = 2;
+  
+  typedef otb::Image< PixelType, Dimension > InputImageType;
+
+  typedef otb::ImageFileReader< InputImageType > ImageReaderType;
+  
+  typedef otb::ObjectList< ImageReaderType > ReaderListType;
+
+  ReaderListType::Pointer readerList = ReaderListType::New();
+
+  typedef otb::ImageList< InputImageType > ImageListType;
+
+  ImageListType::Pointer imageList = ImageListType::New();
+
+  for(unsigned int i = 0; i<NbImages; i++)
+    {
+
+    ImageReaderType::Pointer imageReader = ImageReaderType::New();
+
+    imageReader->SetFileName(parseResult->GetParameterString("--InputImagesList",i).c_str()  );
+
+    std::cout << "Adding image " <<parseResult->GetParameterString("--InputImagesList",i).c_str()  << std::endl;
+
+    imageReader->UpdateOutputInformation();
+
+    imageList->PushBack( imageReader->GetOutput() );
+    
+    readerList->PushBack( imageReader );
+    
+    }
+
+  typedef otb::VectorImage< PixelType, Dimension > VectorImageType;
+
+  typedef otb::ImageListToVectorImageFilter< ImageListType, VectorImageType >
+    ImageListToVectorImageFilterType;
+
+  ImageListToVectorImageFilterType::Pointer iL2VI =
+    ImageListToVectorImageFilterType::New();
+
+  iL2VI->SetInput( imageList );
+
+  typedef otb::StreamingImageFileWriter< VectorImageType > ImageWriterType;
+
+  ImageWriterType::Pointer imageWriter = ImageWriterType::New();
+
+  imageWriter->SetFileName(parseResult->GetOutputImage().c_str());
+
+  
+  unsigned long size = (10000 * 10000 * sizeof(PixelType)) / NbImages;
+  
+  std::cout<<"Streaming size: "<<size<<std::endl;
+
+  imageWriter->SetBufferMemorySize(size);
+
+  imageWriter->SetInput( iL2VI->GetOutput() );
+
+  imageWriter->Update();
+ 
+  
+  
+  return 0;
+}