Merge pull request #549 from xpsi-group/495-fix-ylim-of-channel-spectrum-in-post-processing

Update _spectrum.py to fix ylim in Post-processing

Author: sguillot

xpsi/PostProcessing/_spectrum.py

@@ -814,6 +814,7 @@ def _add_registered_spectrum(self, ax, spectrum, **kwargs):
         """ Add registered spectrum line as a function of channel number. """
         if not kwargs:
             kwargs.update(dict(color='k', linestyle='-', lw=0.05, alpha=1.0))
+            ax.set_ylim(0.9*_np.min(spectrum),1.1*_np.max(spectrum))
         elif 'ls' in kwargs:
             kwargs['linestyle'] = kwargs.pop('ls')