Pinches the image in towards, or pushes it out from a user-defined point. The amount of distortion and the area affected can
               be controlled.
            
            Requires an Input (Any).
            
            Produces an Output (Any).
            
             
               Pinch
               
 
               
                  
                     
                        
                        
                     
                     
                        |   
                            | Sets the amount of swirl. Set any floating-point value. Negative values swirl the image anti-clockwise, positive values swirl
                              it clockwise.
                            | 
                     
                        |   
                            | Set the center of the effect as a normalized proportion of the image. Set any floating-point values. | 
                     
                        |   
                            | Sets the diameter of the circle as a normalized proportion of the vertical size of the image. Set any floating-point value. | 
                     
                        |   
                            | Sets whether or not transformed areas will be smoothed. |