From 91588b5e1048920459da6f811b70d0ebded4d671 Mon Sep 17 00:00:00 2001
From: Bradley Lowekamp <blowekamp@mail.nih.gov>
Date: Fri, 19 Jan 2024 16:31:58 -0500
Subject: [PATCH] Correct spacing of images read from zarr files.

The order was not reversed.
---
 sitkibex/io.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sitkibex/io.py b/sitkibex/io.py
index f20e775..ab64852 100644
--- a/sitkibex/io.py
+++ b/sitkibex/io.py
@@ -90,7 +90,8 @@ def _zarr_read_channel(filename: Path, channel=None) -> sitk.Image:
         arr = arr[0, channel_number, ...]
         img = sitk.GetImageFromArray(arr.astype(arr.dtype.newbyteorder("=")), isVector=False)
 
-    img.SetSpacing(spacing[2:])
+    # Select XYZ spacing from input TCZYX
+    img.SetSpacing(spacing[:1:-1])
 
     return img