code: def getMapScale(self, latitude, level, dpi=96):
          '''
          returns the map scale on the dpi of the screen
          '''
          dpm = dpi / 0.0254  # convert to dots per meter
          return self.getGroundResolution(latitude, level) * dpf getMapScale(self, latitude, level, dpi=96):
          '''
          returns the map scale on the dpi of the screen
          '''
          dpm = dpi / 0.0254  # convert to dots per meter
          return self.getGroundResolution(latitude, level) * dpm
docs: returns the map scale on the dpi of the screen