From afe7d79c534badfe8b1f93098db442f38722d67d Mon Sep 17 00:00:00 2001
From: Rubel <rubel.mozumder@outlook.com>
Date: Wed, 22 Nov 2023 10:53:46 +0100
Subject: [PATCH] adding an example for field.

---
 pynxtools/dataconverter/readers/xrd/config.py    | 16 ++++++++++------
 .../dataconverter/readers/xrd/xrd_helper.py      |  1 +
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/pynxtools/dataconverter/readers/xrd/config.py b/pynxtools/dataconverter/readers/xrd/config.py
index 6679aa1c3..d9bcca208 100644
--- a/pynxtools/dataconverter/readers/xrd/config.py
+++ b/pynxtools/dataconverter/readers/xrd/config.py
@@ -1,14 +1,16 @@
 """This is config file that mainly maps nexus definition to data path in raw file."""
+# field: {file_exp: {'value': "",
+#                    '@units': ""},}
 
 # pylint: disable=C0301
 xrdml_1_5 = {
     "/ENTRY[entry]/2theta_plot/chi": "",
-    "/ENTRY[entry]/2theta_plot/intensity": "file:/detector",
-    "/ENTRY[entry]/2theta_plot/omega": "file:/Omega",
+    "/ENTRY[entry]/2theta_plot/intensity": {"file": ["/detector"]},
+    "/ENTRY[entry]/2theta_plot/omega": {"file": ["/Omega"]},
     "/ENTRY[entry]/2theta_plot/phi": "",
-    "/ENTRY[entry]/2theta_plot/two_theta": "file:/2Theta",
-    "/ENTRY[entry]/COLLECTION[collection]/beam_attenuation_factors": "file:/beamAttenuationFactors",
-    "/ENTRY[entry]/COLLECTION[collection]/count_time": "file:/countTime",
+    "/ENTRY[entry]/2theta_plot/two_theta": {"file": ["/2Theta"]},
+    "/ENTRY[entry]/COLLECTION[collection]/beam_attenuation_factors": {"file": ["/beamAttenuationFactors"]},
+    "/ENTRY[entry]/COLLECTION[collection]/count_time": {"file": ["/countTime"]},
     "/ENTRY[entry]/COLLECTION[collection]/count_time/@units": "",
     "/ENTRY[entry]/COLLECTION[collection]/data_file": "",
     "/ENTRY[entry]/COLLECTION[collection]/goniometer_x": "file:/X",
@@ -44,5 +46,7 @@
     "/ENTRY[entry]/definition": "NXxrd_pan",
     "/ENTRY[entry]/method": "X-Ray Diffraction (XRD)",
     "/ENTRY[entry]/q_plot/intensity": "file:/detector",
-    "/ENTRY[entry]/q_plot/q": ""
+    "/ENTRY[entry]/q_plot/q": "",
+    "/@default": "entry",
+    "/ENTRY[entry]/@default": "2theta_plot",
 }
diff --git a/pynxtools/dataconverter/readers/xrd/xrd_helper.py b/pynxtools/dataconverter/readers/xrd/xrd_helper.py
index e3e16711b..2e43a09b2 100644
--- a/pynxtools/dataconverter/readers/xrd/xrd_helper.py
+++ b/pynxtools/dataconverter/readers/xrd/xrd_helper.py
@@ -1,4 +1,5 @@
 """XRD helper stuffs."""
+
 # Copyright The NOMAD Authors.
 #
 # This file is part of NOMAD. See https://nomad-lab.eu for further info.