Re #20603 Made sample_empty_scale default to 1.0 in polaris

docs/source/techniques/ISISPowder-Polaris-v1.rst

@@ -117,12 +117,7 @@ above:
 The following parameters may also be optionally set:
 
 - :ref:`file_ext_polaris_isis-powder-diffraction-ref`
-- :ref:`sample_empty_polaris_isis_powder-diffraction-ref`
 
-If :ref:`sample_empty_polaris_isis_powder-diffraction-ref` is 
-set then the following parameter is also required:
-
-- :ref:`sample_empty_scale_polaris_isis-powder-diffraction-ref`
 
 Example
 =======
@@ -509,7 +504,7 @@ Please visit the above page for more details.
 
 *Note: If this parameter is set to* **True**
 :ref:`sample_empty_scale_polaris_isis-powder-diffraction-ref`
-*must also be set.*
+*must also be set.* This is set to 1.0 by default.
 
 Example Input:
 
@@ -520,26 +515,6 @@ Example Input:
   # Or a range of numbers
   polaris_example.focus(sample_empty="100-110", ...)
 
-
-.. _sample_empty_scale_polaris_isis-powder-diffraction-ref:
-
-sample_empty_scale
-^^^^^^^^^^^^^^^^^^
-Required if :ref:`sample_empty_polaris_isis_powder-diffraction-ref` 
-is set to **True**
-
-Sets a factor to scale the sample empty run(s) to before
-subtracting. This value is multiplied after summing the 
-sample empty runs and before subtracting the empty from
-the data set. For more details see: :ref:`Scale <algm-Scale-v1>`.
-
-Example Input:
-
-..  code-block:: python
-
-  # Scale sample empty to 90% of original
-  polaris_example.focus(sample_empty_scale=0.9, ...)
-
 .. _user_name_polaris_isis-powder-diffraction-ref:
 
 user_name
@@ -627,6 +602,25 @@ On POLARIS this is set to the following:
 
   vanadium_peaks_masking_file: "VanaPeaks.dat"
 
+.. _sample_empty_scale_polaris_isis-powder-diffraction-ref:
+
+sample_empty_scale
+^^^^^^^^^^^^^^^^^^
+Required if :ref:`sample_empty_polaris_isis_powder-diffraction-ref` 
+is set to **True**
+
+Sets a factor to scale the sample empty run(s) to before
+subtracting. This value is multiplied after summing the 
+sample empty runs and before subtracting the empty from
+the data set. For more details see: :ref:`Scale <algm-Scale-v1>`.
+
+Example Input:
+
+..  code-block:: python
+
+  # Scale sample empty to 90% of original
+  polaris_example.focus(sample_empty_scale=0.9, ...)
+
 .. _raw_data_cropping_values_polaris_isis-powder-diffraction-ref:
 
 raw_data_cropping_values

scripts/Diffraction/isis_powder/polaris_routines/polaris_advanced_config.py

@@ -48,6 +48,8 @@ vanadium_cropping_values = [
     (800, 19995),  # Bank 5
 ]
 
+sample_empty_scale = 1.0
+
 variable_help = {
     "file_names": {
         "vanadium_peaks_masking_file": "Specifies the name of the of the file containing the positions of the vanadium "
@@ -79,4 +81,5 @@ variables = {
     "focused_cropping_values": focused_cropping_values,
     "vanadium_cropping_values": vanadium_cropping_values,
     "focused_bin_widths": focused_bin_widths,
+    "sample_empty_scale": sample_empty_scale
 }