removed message, removed draw from release_select, added view limits update in scatterplot

system/plots.py

@@ -273,6 +273,7 @@ class NavToolbar(NavigationToolbar2):
     def __init__(self, *args):
         NavigationToolbar2.__init__(self, *args)
         self._select_callback = None
+        self.message.hide()
 
     def select(self, *args):
         """Selection mode selected handler."""
@@ -294,8 +295,7 @@ class NavToolbar(NavigationToolbar2):
             self._idRelease = self.canvas.mpl_connect('button_release_event', self.release_select)
             self.mode = 'Select rectangle mode'
 
-        #self.set_message(self.mode)
-        self.set_message(None)
+        self.set_message(self.mode)
 
     def set_message(self, s):
         """Set status in toolbar to string s.
@@ -332,7 +332,6 @@ class NavToolbar(NavigationToolbar2):
                 self._select_callback(lastx, lasty, x, y)
         
         self._xypress = None
-        self.draw()
         self.release(event)
 
     def mouse_move(self, event):
@@ -495,6 +494,7 @@ class ScatterPlot(Plot):
         if len(self.ax.lines)>1:
             del self.ax.lines[-1]
         self.ax.plot(xdata_new,ydata_new,'ok')
+        self._toolbar.forward() #update data lims before draw
         self.canvas.draw()
 
 class NetworkPlot(Plot):