ENH : siftfast filter & Example corrected

Code/FeatureExtraction/otbSiftFastImageFilter.txx

@@ -51,12 +51,6 @@ namespace otb
     rescaler->SetOutputMaximum(1);
     rescaler->Update();
 
-    typedef otb::ImageFileWriter<FloatImageType> WriterType;
-    WriterType::Pointer writer = WriterType::New();
-    writer->SetInput(rescaler->GetOutput());
-    writer->SetFileName("qb_RoadExtract.tif");
-    writer->Update();
-
     SiftFastImage siftInputImage = CreateImage(size[1],size[0]);
     itk::ImageRegionIterator<FloatImageType> inIt(rescaler->GetOutput(),rescaler->GetOutput()->GetLargestPossibleRegion());
 

Examples/FeatureExtraction/SIFTFastExample.cxx

@@ -139,7 +139,7 @@ int main(int argc, char * argv[])
 
 // Software Guide : BeginCodeSnippet      
 
-  filter->SetInput(reader->GetOutput());
+  filter->SetInput(0,reader->GetOutput());
   filter->SetNumberOfScales(scales);
   filter->Update();