newDisplay creates a window to display Image
 objects.
     
    
    Usage
    newDisplay(window_name = "Display", height = 480, width = 640)
 
     
    
    Arguments
- window_name
 
A character string representing the name of the display
window (default: "Display").
 
- height
 
An integer representing the height in pixels of the display
window.
 
- width
 
An integer representing the width in pixels of the display
window.
 
 
    
    Value
    This function does not return anything.
     
    
    
    
    Examples
    if (FALSE) { # \dontrun{
newDisplay()
} # }