(self, widget)
Creates a slider that controls point transparency
Creates a slider that controls point transparency
Creates a slider that controls point transparency
def alpha_value_slider(self, widget):
        '''
            Creates a slider that controls point transparency
        '''
        self._slider(widget, 'alpha_value', "Opacity: ", 0, 255, 10, 'update_alpha_value')
def alpha_value_slider ( self , widget ) : self . _slider ( widget , 'alpha_value' , "Opacity: " , 0 , 255 , 10 , 'update_alpha_value' )