Re: Null entry in a Graphics list?
- To: mathgroup at smc.vnet.net
- Subject: [mg51818] Re: Null entry in a Graphics list?
- From: David Bailey <dave at Remove_Thisdbailey.co.uk>
- Date: Wed, 3 Nov 2004 01:23:37 -0500 (EST)
- References: <cm7chn$lea$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
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
>
Hi,
Simply using Graphics[{}] seems to work fine.
I was not sure if Mathematica would 'like' a graphical object like that
which contains absolutely nothing on which to determine a scale - but it
seems to understand!
David Bailey