| 
        
            | Methods |  |  
        | __init__ draw
 get_svg_element
 move
 transform
 
 |  
            |  | __init__ |  
        | 
__init__ (
        self,
        atom,
        x,
        y,
        size=10,
        auto=1,
        )
 |  
            |  | draw |  
        | 
draw ( self )
 |  
            |  | get_svg_element |  
        | 
get_svg_element ( self,  doc )
 |  
            |  | move |  
        | 
move (
        self,
        dx,
        dy,
        )
marks that have a direction and not only position should be redrawn on move |  
            |  | transform |  
        | 
transform ( self,  tr )
 |  |