support cfg.colorgroups=labelcharN also for N>9

fieldtrip · Apr 17, 2021 · 1f06db1 · 1f06db1
1 parent 5cef80d
commit 1f06db1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/private/linecolor_common.m b/private/linecolor_common.m
@@ -65,7 +65,7 @@
   linecolor = cfg.linecolor(cfg.colorgroups(:),:);
 elseif startsWith(cfg.colorgroups, 'labelchar')
   % channel groups are defined by the Nth letter of the channel label
-  labelchar_num = str2double(cfg.colorgroups(10));
+  labelchar_num = sscanf(cfg.colorgroups, 'labelchar%d');
   vec_letters = num2str(zeros(Nchan,1));
   for iChan = 1:Nchan
     vec_letters(iChan) = label{iChan}(labelchar_num);