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Re: Re: how draw box with open front

  • To: mathgroup at smc.vnet.net
  • Subject: [mg83902] Re: [mg83892] Re: how draw box with open front
  • From: Murray Eisenberg <murray at math.umass.edu>
  • Date: Tue, 4 Dec 2007 04:20:37 -0500 (EST)
  • Organization: Mathematics & Statistics, Univ. of Mass./Amherst
  • References: <200711301028.FAA07652@smc.vnet.net> <firebj$rpi$1@smc.vnet.net> <200712031213.HAA26270@smc.vnet.net>
  • Reply-to: murray at math.umass.edu

The issue is NOT printing directly from Mathematica 6, whether to a 
printer or to a pdf file (nor then printing from the created pdf file).

Rather the issue is solely using Export to export the single graphic to 
an eps file.  It's that file which -- whether viewed directly in 
GhostView on-screen, printed from Ghostview, or incorporated into a 
LaTeX document and viewed/printed from there -- shows the spurious grid 
lines.

Kevin J. McCann wrote:
> Murray,
> 
> I am using WindowsXP and I successfully printed the box to my printer 
> (HP5400) and to a PDF file. The latter looks fine on screen and when 
> printed as well. I am not sure where your problem arises.
> 
> Kevin
> 
> Murray Eisenberg wrote:
>> With most helpful suggestions from Kevin McCann to use Polygon in the 
>> Graphics3D, I've come up with the following which looks the way I want 
>> in Mathematica (6):
>>
>>    With[{y = 0.85},
>>   case = Graphics3D[{
>>      EdgeForm[{Thick, Black}], LightGray, Opacity[0.7],
>>      Polygon[{{0, 0, 0}, {1, 0, 0}, {1, y, 0}, {0, y, 0}, {0, 0, 0}}],
>>      Opacity[0.7],
>>      Polygon[{{1, 0, 0}, {1, y, 0}, {1, y, 1}, {1, 0, 1}, {1, 0, 0}}],
>>      Polygon[{{0, 0, 1}, {1, 0, 1}, {1, y, 1}, {0, y, 1}, {0, 0, 1}}],
>>      Polygon[{{0, y, 0}, {1, y, 0}, {1, y, 1}, {0, 1 y, 1}, {0, y,
>>         0}}], Polygon[{{0, 0, 0}, {0, y, 0}, {0, y, 1}, {0, 0, 1}, {0,
>>         0, 0}}],
>>      {Thick, Dashed, Line[{{1, y, 0}, {0.75, y, 0}}],
>>       Line[{{0, y, 1}, {0, y, 0.8}}]},
>>      txt["y", {1, 0.35, 0.95}], txt["y", {1.105, 0.35, 0.1}],
>>      txt["x", {0.6, 0.7, 1.1}], txt["x", {1.12, 0.6, 0.65}]
>>      },
>>     Boxed -> False, Lighting -> "Neutral", ViewPoint -> {1, -2, 0.75}]
>>   ]
>>
>> However, if I Export "case" as EPS and then view it in GhostView (or 
>> incorporate it into a LaTeX source and distill the result to pdf), I now 
>> see spurious dashed grid lines across the polygonal faces -- in white 
>> against the back and left-side polygons and in light gray across the top 
>> and right-side polygons.  There's also one spurious diagonal drawn 
>> across each of those polygons.
>>
>> What happened?  How can these spurious elements be eliminated in the 
>> exported file?
>>
>> Note that I believe I'm really forced to export to EPS, since the 
>> ultimate target is for inclusion in a LaTeX document where the EPS 
>> format is required so that TeX can determine the bounding box.
>>
>> Murray Eisenberg wrote:
>>> In Mathematica 6, what's the best way to draw a convincing box 
>>> (rectangular parallelepiped) with an open front?
>>>
>>> Of course I tried Cuboid, but no matter how I try to treat the faces, it 
>>> still looks like the front is solid, too.
>>
> 

-- 
Murray Eisenberg                     murray at math.umass.edu
Mathematics & Statistics Dept.
Lederle Graduate Research Tower      phone 413 549-1020 (H)
University of Massachusetts                413 545-2859 (W)
710 North Pleasant Street            fax   413 545-1801
Amherst, MA 01003-9305


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