Added resolution calculation.

pes_to_spec/test/prepare_plots.py

@@ -469,9 +469,10 @@ def plot_pes(df: pd.DataFrame,
             #cax[ch].xaxis.label.set_color(col[ch])
             #cax[ch].title.set_color(col[ch])
         if not tof:
-            locator = matplotlib.ticker.MultipleLocator(2)
-            locator.view_limits(1000, 1010)
-            cax[ch].xaxis.set_major_locator(locator)
+            #locator = matplotlib.ticker.MultipleLocator(2)
+            #locator.view_limits(1000, 1010)
+            #cax[ch].xaxis.set_major_locator(locator)
+            cax[ch].set_xticks(np.arange(998, 1010, 2))
     ax.legend(frameon=False, loc='center')
     plt.tight_layout()
     fig.savefig(filename)