Fix sw_issymspec to recognise powder spectra (#146)

* Fix sw_issymspec to recognise powder spectra * Add release notes for #146
SpinW · Jun 27, 2023 · 92551aa · 92551aa
1 parent 12b0b45
commit 92551aa
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
@@ -90,5 +90,7 @@ Bug Fixes
 - No longer require a magnetic structure be initialised with ``genmagstr``
   before using ``optmagstr``. If not intialised, a default ``nExt`` of
   ``[1 1 1]`` is used. This has also been clarified in the docstring.
+- Fix bug where powder spectra was not recognised in ``sw_plotspec``,
+  introduced by a previous update to provide more helpful error messages.
 - ``sw_instrument`` now calculates the limits for thetaMax, before it was
-  using the continuation of the thetaMin line to high Q which is incorrect.
+  using the continuation of the thetaMin line to high Q which is incorrect.
diff --git a/swfiles/private/sw_issymspec.m b/swfiles/private/sw_issymspec.m
@@ -25,6 +25,9 @@
 if ~isfield(spectra, 'ham')
     if isfield(spectra, 'omega')
         symobj = spectra.omega;
+    elseif size(spectra.hklA, 1) == 1  % Is a powder spectra
+        issym = false;
+        return
     else
         error('sw_issymspec:WrongInput', 'Invalid input spectra structure');
     end