Add unpumped data on plot azimuthal integral

DSSC.py

@@ -533,27 +533,29 @@ class DSSC:
             inputs:
                 kind: (str) either 'difference' or 'relative' to change the type of plot.
         """
-        fig, [ax1, ax2] = plt.subplots(nrows=2, sharex=True, sharey=True)
+        fig, [ax1, ax2, ax3] = plt.subplots(nrows=3, sharex=True, sharey=True)
 
         xr.plot.imshow(self.azimuthal.pumped, ax=ax1, vmin=0, robust=True)
         ax1.set_title('pumped')
-        ax1.set_xlabel(self.scan_vname)
-        
+
+        xr.plot.imshow(self.azimuthal.unpumped, ax=ax2, vmin=0, robust=True)
+        ax2.set_title('unpumped')
+                   
         if kind == 'difference':
             val = self.azimuthal.pumped - self.azimuthal.unpumped
-            ax2.set_title('pumped - unpumped')
+            ax3.set_title('pumped - unpumped')
         elif kind == 'relative':
             val = (self.azimuthal.pumped - self.azimuthal.unpumped)/self.azimuthal.unpumped
-            ax2.set_title('(pumped - unpumped)/unpumped')
+            ax3.set_title('(pumped - unpumped)/unpumped')
         else:
             raise ValueError('kind should be either difference or relative')
 
         if lim is None:
-            xr.plot.imshow(val, ax=ax2, robust=True)
+            xr.plot.imshow(val, ax=ax3, robust=True)
         else:
-            xr.plot.imshow(val, ax=ax2, vmin=lim[0], vmax=lim[1])
+            xr.plot.imshow(val, ax=ax3, vmin=lim[0], vmax=lim[1])
                    
-        ax2.set_xlabel(self.scan_vname)
+        ax3.set_xlabel(self.scan_vname)
         fig.suptitle(f'{self.plot_title}')
 
     def plot_azimuthal_line_cut(self, data, qranges, qwidths):