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    2.unReal BufferNode 
       
      Node 
        
       
      Main panel 
        
       
        BufferNode is a node which gets the buffer value 
      for the outline detection which unReal creates inside at the time of a rendering. 
       
      This node can be used only by the node editor of brush setting of ToonTracer, 
      and outline detection setting. 
       
      Input  
      
        - X (NodeInput)
 
         
        - Y (NodeInput)
 
         
        The coordinate which gets a value is specified.  
        Value ranges are -1.0 to 1.0 and 0.0 becomes a center of a rendering image. 
         
         
       
      
        - Offset X (Panel)
 
         
        - Offset Y (Panel)
 
         
        The coordinate which gets a value is specified by the relative pixel coordinate 
        centering on the current processing position.  
       
       
      Output  
      
        - X
 
         
        - Y
 
         
        It is the coordinate determined by a node input etc.  
        A value range is set to -1.0 to 1.0.  
       
      
        - Group ID
 
         
        It is a GroupID.  
        It becomes a integer of 0 to 99.  
       
      
        - Normal
 
         
        It is the normal of the point seen from the camera.  
       
      
        - Depth
 
         
        It is a depth.  
        1.0 becomes 1m.  
       
      
        - Custom1
 
         
        - Custom2
 
         
        - Custom3
 
         
        - Custom4
 
         
        It is the CustomBuffer value set up by EdgeTracer.  
       
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