Merge pull request #332 from ImagingDataCommons/bug/slice_spacing_vr

Correctly format decimal string for spacing between slices

Author: CPBridge

src/highdicom/content.py

@@ -348,7 +348,10 @@ def __init__(
         if slice_thickness is not None:
             item.SliceThickness = DS(slice_thickness, auto_format=True)
         if spacing_between_slices is not None:
-            item.SpacingBetweenSlices = spacing_between_slices
+            item.SpacingBetweenSlices = DS(
+                spacing_between_slices,
+                auto_format=True
+            )
         self.append(item)
 
     @classmethod

src/highdicom/seg/sop.py

@@ -1265,7 +1265,9 @@ def __init__(
                     image_orientation=ori,
                 )
                 if slice_spacing is not None:
-                    pixel_measures[0].SpacingBetweenSlices = slice_spacing
+                    pixel_measures[0].SpacingBetweenSlices = (
+                        format_number_as_ds(slice_spacing)
+                    )
 
         if pixel_measures is not None:
             sffg_item.PixelMeasuresSequence = pixel_measures