Optimizing SF+ matching including sextupoles.

Lattice plots have now also an indication for screens

plot.py

@@ -297,6 +297,15 @@ class OpticsPlot(QtWidgets.QMainWindow, Ui_OpticsPlotGUI):
                 s2 = s[i]
                 self.axes2.add_patch(patches.Rectangle((s1, 0.89), (s2 - s1), 0.02, facecolor='cyan', edgecolor="none"))
 
+            if 'dscr' in name:
+                if 'start' in name:
+                    sstart = s[i]
+                if 'end' in name:
+                    s1 = sstart
+                    s2 = s[i]
+                    self.axes2.add_patch(
+                        patches.Rectangle((s1, 0.89), (s2 - s1), 0.02, facecolor='orange', edgecolor="none"))
+
             if 'mqua' in name:
                 if splitquads == True:
                     if 'end' in name: