[no subject]

*To*: mathgroup at smc.vnet.net*From*: "Wolf, Hartmut" <Hartmut.Wolf at t-systems.com>*Date*: Wed, 16 Feb 2005 14:35:58 -0500 (EST)*Sender*: owner-wri-mathgroup at wolfram.com

>-----Original Message----- >From: Bruce Colletti [mailto:vze269bv at verizon.net] To: mathgroup at smc.vnet.net >Sent: Tuesday, February 15, 2005 3:51 AM >To: mathgroup at smc.vnet.net >Subject: [mg54279] [mg54248] Missing Graphics > >Re Mathematica 5.1. > >This code displays (as intended) five versions of g (first two >are same): > >g = Plot3D[Sin@x Cos@y, {x, -PI, PI}, {y, -PI, PI}]; > >Scan[Show@#@g &, {SurfaceGraphics, Graphics, ContourGraphics, > DensityGraphics}]; > >However, when DisplayFunction->Identity is added to Plot3D, >only the SurfaceGraphics plot appears. Why don't the others? > >Thankx. > >Bruce > > Bruce, it's not the SurfaceGraphics which appears -- that would be queer -- yet the Graphics, which is ok, see: In[10]:= Options[#[g], DisplayFunction] & /@ {SurfaceGraphics, Graphics, ContourGraphics, DensityGraphics} >From In[10]:= Options::"optnf": DisplayFunction is not a known option for - Graphics - Out[10]= {{DisplayFunction -> Identity}, {}, {DisplayFunction -> Identity}, {DisplayFunction -> Identity}} As DisplayFunction is no option for Graphics it cannot be retained; in fact no option of g is retained. If you look at In[13]:= Options[g] you'll indeed note that none of those would make sense after the conversion of g to a 2D object. -- Hartmut Wolf

**Follow-Ups**:**Re:***From:*Andrzej Kozlowski <akoz@mimuw.edu.pl>