Handle auxiliary signals that contain the main signal.

Strictly, the main signal in a NXdata group should not be included in the `auxiliary_signals` attribute, but this commit handles cases where the rule is violated.

src/nexpy/gui/mainwindow.py

@@ -1483,7 +1483,8 @@ def multiplot_lines(self):
                 self.treeview.status_message(node)
                 signals = [node.nxsignal]
                 signals.extend([node[signal] for signal
-                                in node.attrs['auxiliary_signals']])
+                                in node.attrs['auxiliary_signals']
+                                if signal != node.nxsignal.nxname])
                 colors = get_colors(len(signals))
                 for i, signal in enumerate(signals):
                     if i == 0:
@@ -1492,6 +1493,7 @@ def multiplot_lines(self):
                     else:
                         signal.oplot(marker='None', linestyle='-',
                                      color=colors[i])
+                self.plotview.ax.set_title(node.nxroot.nxname + node.nxpath)
                 self.plotview.otab.home()
                 self.plotview.legend(signal=True)
                 self.plotview.make_active()

src/nexpy/gui/treeview.py

@@ -117,6 +117,7 @@ def reload(self, name):
 
     def get_name(self, filename):
         return get_name(filename, self._shell)
+
     def get_new_name(self):
         ind = []
         for key in self._shell: