Fix collecting FieldPerp for parallelised Z

ZedThree · ZedThree · commit d89cf3731e27 · 2026-03-13T18:43:36.000Z
diff --git a/src/boutdata/collect.py b/src/boutdata/collect.py
@@ -334,7 +334,7 @@ def getDataFile(i):
                 varname,
                 yindex_global,
                 temp_yindex,
-                i // grid_info["nxpe"],
+                grid_info["nype"],
                 fieldperp_yproc,
                 var_attributes,
                 temp_f_attributes,
