From 1c12797aa1e7a2356343d44f2724565c8ac19854 Mon Sep 17 00:00:00 2001
From: Christian Becke <christian.becke@fu-berlin.de>
Date: Mon, 24 Apr 2023 18:08:48 +0200
Subject: [PATCH] Add support for Eiger detector at PETRA P13

---
 .../format/FormatCBFMiniEigerPetraP13.py      | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 src/dxtbx/format/FormatCBFMiniEigerPetraP13.py

diff --git a/src/dxtbx/format/FormatCBFMiniEigerPetraP13.py b/src/dxtbx/format/FormatCBFMiniEigerPetraP13.py
new file mode 100644
index 000000000..d385435a0
--- /dev/null
+++ b/src/dxtbx/format/FormatCBFMiniEigerPetraP13.py
@@ -0,0 +1,38 @@
+"""An implementation of the CBF image reader for Eiger images"""
+
+
+from __future__ import annotations
+
+import sys
+
+from dxtbx.format.FormatCBFMiniEiger import FormatCBFMiniEiger
+
+
+class FormatCBFMiniEigerPetraP13(FormatCBFMiniEiger):
+    """A class for reading mini CBF format Eiger images, and correctly
+    constructing a model for the experiment from this. This tuned for Petra P13"""
+
+    @staticmethod
+    def understand(image_file):
+        """Check to see if this looks like an Eiger mini CBF format image,
+        i.e. we can make sense of it."""
+
+        header = FormatCBFMiniEiger.get_cbf_header(image_file)
+
+        for record in header.split("\n"):
+            if (
+                "# detector" in record.lower()
+                and "eiger" in record.lower()
+                and "E-32-0107" in record
+            ):
+                return True
+
+        return False
+
+    def _goniometer(self):
+        return self._goniometer_factory.known_axis((1, 0, 0))
+
+
+if __name__ == "__main__":
+    for arg in sys.argv[1:]:
+        print(FormatCBFMiniEigerPetraP13.understand(arg))