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MathGroup Archive 2004

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Re: Null entry in a Graphics list?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg51866] Re: [mg51795] Null entry in a Graphics list?
  • From: "Maxim A. Dubinnyi" <maxim at nmr.ru>
  • Date: Thu, 4 Nov 2004 01:49:07 -0500 (EST)
  • References: <200411020705.CAA21665@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Graphics[{}] is correct unswer

AES/newspost wrote:

>Is there a "Null" or a "None" for Graphics?
>
>If I want to accomplish something like
>
>    g1 = Graphics[---];
>    g2 = Graphics[---]
>    g3 = If[test, Graphics[---], NoGraphics ];
>    
>    Show[g1, g2, g3 ];
>
>is there something I can put in for "NoGraphics" (other than an 
>offscreen Point or a zero-size Point or . . . ) that will be acceptable 
>in subsequent graphics commands
>
>



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