Merge pull request #3708 from silx-kit/fix-slice-profile

Fix slice profile
silx-kit · Oct 27, 2022 · 0d6324e · 0d6324e
2 parents 547154b + da4f98b
commit 0d6324e
Showing 1 changed file with 9 additions and 3 deletions.
diff --git a/src/silx/gui/plot/tools/profile/rois.py b/src/silx/gui/plot/tools/profile/rois.py
@@ -944,13 +944,19 @@ def argnearest(array, value):
 
         if major_axis:
             # slice in the middle of the scatter
-            start = max_grid_second // 2 * max_grid_first
-            vslice = axis[start:start + max_grid_second]
+            actual_size_grid_second = len(axis) // max_grid_first
+            start = actual_size_grid_second // 2 * max_grid_first
+            vslice = axis[start:start + max_grid_first]
+            if len(vslice) == 0:
+                return None
             index = argnearest(vslice, position)
             slicing = slice(index, None, max_grid_first)
         else:
             # slice in the middle of the scatter
-            vslice = axis[max_grid_second // 2::max_grid_second]
+            actual_size_grid_second = len(axis) // max_grid_first
+            vslice = axis[actual_size_grid_second // 2::max_grid_second]
+            if len(vslice) == 0:
+                return None
             index = argnearest(vslice, position)
             start = index * max_grid_second
             slicing = slice(start, start + max_grid_second)