Re: Null entry in a Graphics list?
- To: mathgroup at smc.vnet.net
- Subject: [mg51809] Re: [mg51795] Null entry in a Graphics list?
- From: "Ingolf Dahl" <ingolf.dahl at telia.com>
- Date: Wed, 3 Nov 2004 01:23:21 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
Replace NoGraphics with Sequence[] Ingolf Dahl Sweden >-----Original Message----- >From: AES/newspost [mailto:siegman at stanford.edu] To: mathgroup at smc.vnet.net >Sent: Tuesday, November 02, 2004 08:05 >To: mathgroup at smc.vnet.net >Subject: [mg51809] [mg51795] Null entry in a Graphics list? > > >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 >