(self, widget)
Creates a slider that controls point size
Creates a slider that controls point size
Creates a slider that controls point size
def point_size_slider(self, widget):
        '''
            Creates a slider that controls point size
        '''
        self._slider(widget, 'point_width', "Symbol size:   ", 1, 20, 1, 'update_point_size')
def point_size_slider ( self , widget ) : self . _slider ( widget , 'point_width' , "Symbol size:   " , 1 , 20 , 1 , 'update_point_size' )