From 51557aff7122b2561037b31e84376764ada0e46b Mon Sep 17 00:00:00 2001
From: matao1984 <matao1984@hotmail.com>
Date: Wed, 27 May 2026 10:46:53 -0400
Subject: [PATCH 1/2] Modified parsing logic for empad data to be from the raw
 file name.

---
 rsciio/empad/_api.py | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/rsciio/empad/_api.py b/rsciio/empad/_api.py
index 88a6c1fe7..592e7fc48 100644
--- a/rsciio/empad/_api.py
+++ b/rsciio/empad/_api.py
@@ -80,16 +80,20 @@ def _parse_xml(filename):
     elif om.has_item("root.pix_x") and om.has_item("root.pix_y"):
         # 2D x 2D
         info.update({"scan_x": int(om.root.pix_x), "scan_y": int(om.root.pix_y)})
-    # in case root.pix_x and root.pix_y are not available
-    elif om.has_item("root.scan_parameters.scan_resolution_x") and om.has_item(
-        "root.scan_parameters.scan_resolution_y"
-    ):
-        info.update(
-            {
-                "scan_x": int(om.root.scan_parameters.scan_resolution_x),
-                "scan_y": int(om.root.scan_parameters.scan_resolution_y),
-            }
-        )
+    # in case root.pix_x and root.pix_y are not available, parse from the raw_file name
+    elif om.has_item("root.raw_file.filename"):
+        raw_filename = om.root.raw_file.filename
+        # The raw filename is in the format of "scan_xxx_yxx.raw", where xx is the scan size in x and y direction.
+        if raw_filename.startswith("scan_"):
+            try:
+                basename = raw_filename.split(".")[0]
+                scan_x = int(basename.split("_")[-2][1:])
+                scan_y = int(basename.split("_")[-1][1:])
+                info.update({"scan_x": scan_x, "scan_y": scan_y})
+            except Exception:
+                raise IOError(
+                    "Unsupported Empad file: the scan parameters cannot be imported."
+                )
     else:
         raise IOError("Unsupported Empad file: the scan parameters cannot be imported.")
 

From 1ec3a9b739b5c82812f9b449948359e3773d3e73 Mon Sep 17 00:00:00 2001
From: matao1984 <matao1984@hotmail.com>
Date: Wed, 27 May 2026 15:19:10 -0400
Subject: [PATCH 2/2] Modified parsing logic for empad data to be from the raw
 file name.

---
 upcoming_changes/513.bugfix.rst | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 upcoming_changes/513.bugfix.rst

diff --git a/upcoming_changes/513.bugfix.rst b/upcoming_changes/513.bugfix.rst
new file mode 100644
index 000000000..fcdf55de5
--- /dev/null
+++ b/upcoming_changes/513.bugfix.rst
@@ -0,0 +1 @@
+Modified empad reader to parse scan sizes from the raw file name following the pattern "scan_xaaa_ybbb.raw", where "aaa" and "bbb" represent the scan sizes in the x and y dimensions, respectively.
\ No newline at end of file