BUG: Do not wrap unsigned char for connected component output

Often the generated labels exceed 255.
InsightSoftwareConsortium · Jul 29, 2020 · f3e3286 · f3e3286
1 parent a1e778b
commit f3e3286
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Showing 3 changed files with 8 additions and 1 deletion.
diff --git a/Modules/Segmentation/ConnectedComponents/wrapping/itkConnectedComponentImageFilter.wrap b/Modules/Segmentation/ConnectedComponents/wrapping/itkConnectedComponentImageFilter.wrap
@@ -2,6 +2,8 @@ itk_wrap_class("itk::ConnectedComponentImageFilter" POINTER)
   # Create wrappers from every selected integral (signed and un) type to every
   # selected unsigned type. Also force ulong output for the watershed filter.
   UNIQUE(to_types "UL;${WRAP_ITK_INT}")
+  # Supports too few labels.
+  list(REMOVE_ITEM to_types "UC")
   itk_wrap_image_filter_combinations("${WRAP_ITK_INT}" "${to_types}" 2+)
   itk_wrap_image_filter_combinations("${WRAP_ITK_VECTOR}" "${WRAP_ITK_INT}" 2+)
 itk_end_wrap_class()
diff --git a/Modules/Segmentation/ConnectedComponents/wrapping/itkHardConnectedComponentImageFilter.wrap b/Modules/Segmentation/ConnectedComponents/wrapping/itkHardConnectedComponentImageFilter.wrap
@@ -2,5 +2,7 @@ itk_wrap_class("itk::HardConnectedComponentImageFilter" POINTER)
   # Create wrappers from every selected integral (signed and un) type to every
   # selected unsigned type. Also force ulong output for the watershed filter.
   UNIQUE(to_types "UL;${WRAP_ITK_INT}")
+  # Supports too few labels.
+  list(REMOVE_ITEM to_types "UC")
   itk_wrap_image_filter_combinations("${WRAP_ITK_INT}" "${to_types}")
 itk_end_wrap_class()
diff --git a/...les/Segmentation/ConnectedComponents/wrapping/itkScalarConnectedComponentImageFilter.wrap b/...les/Segmentation/ConnectedComponents/wrapping/itkScalarConnectedComponentImageFilter.wrap
@@ -1,3 +1,6 @@
 itk_wrap_class("itk::ScalarConnectedComponentImageFilter" POINTER_WITH_SUPERCLASS)
-  itk_wrap_image_filter("${WRAP_ITK_INT}" 2 2+)
+  UNIQUE(to_types "UL;${WRAP_ITK_INT}")
+  # Supports too few labels.
+  list(REMOVE_ITEM to_types "UC")
+  itk_wrap_image_filter_combinations("${WRAP_ITK_INT}" "${to_types}" 2+)
 itk_end_wrap_class()