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Re: multiple ListPlot3D help required

• To: mathgroup at smc.vnet.net
• Subject: [mg7829] Re: [mg7788] multiple ListPlot3D help required
• From: seanross at worldnet.att.net
• Date: Mon, 14 Jul 1997 03:01:11 -0400
• Sender: owner-wri-mathgroup at wolfram.com

phs503e at vaxc.cc.monash.edu.au wrote:
> 
> Hi.. I would like some help with ploting some 3D listplot graphs.
> In particular I need to plot 2 graphs on the same axes...one lot
> of data has positive values, the other negative. The problem is though
> that not all the data in the 2x2 array is useful...I have set
> these elements to -10 by default (for the +ve data, +10 for the -ve).
> When just doing one 3D ListPlot there is no probs as I can set the
> plotrange to 0->x , and then set ClipFill->None, and this does
> the effect I want.. i.e. doesn't show any patches where the
> data is junk i.e. -10. I do the same for the -ve data, this time
> with a plotrange -x->0 , which clips of the +10 junk. But when
> I show them on the same graph with a Show or similar, the plotrange
> needs to be from -x->+x , but then all the 'junk' -10 and +10 data
> elements show up as patches again... this is what I am
> trying to eliminate.
> 
> Is there anyway to do this? Thanks for any help
> 
> Scott S

Generate the graphics separately, then combine them using Show.  By
judicious use of DisplayFunction->Identity and
DisplayFunction->$DisplayFunction, you can even suppress display of the
separate graphs.