Debug RTStruct conversion with empty struc

[clitk.git] / segmentation / clitkExtractPatientFilter.txx

diff --git a/segmentation/clitkExtractPatientFilter.txx b/segmentation/clitkExtractPatientFilter.txx
index fedf853c82590918849ddc8df2e9e58ec06a7f9e..97f79c5e9050bdcf1b5b4d2275ad0a32e73c60f8 100644 (file)
--- a/segmentation/clitkExtractPatientFilter.txx
+++ b/segmentation/clitkExtractPatientFilter.txx
@@ -117,6 +117,7 @@ GenerateOutputInformation() {
   StartNewStep("Find low densities areas");
 
   // Pad images with air to prevent patient touching the image border
+  // But the lungs can touch the outside air. In such case, use primaryOpeningRadius with 1 kernel
   typedef itk::ConstantPadImageFilter<InputImageType, InputImageType> PadFilterType;
   typename PadFilterType::Pointer padFilter = PadFilterType::New();
   padFilter->SetInput(input);