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Re: how draw box with open front

• To: mathgroup at smc.vnet.net
• Subject: [mg83892] Re: how draw box with open front
• From: "Kevin J. McCann" <Kevin.McCann at umbc.edu>
• Date: Mon, 3 Dec 2007 07:13:26 -0500 (EST)
• Organization: University System of Maryland
• References: <200711301028.FAA07652@smc.vnet.net> <firebj$rpi$1@smc.vnet.net>

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.
> 
> 

-- 

Kevin J. McCann
Research Associate Professor
JCET/Physics
Physics Building
University of Maryland, Baltimore County
1000 Hilltop Circle
Baltimore, MD 21250

• Follow-Ups:
  • Re: Re: how draw box with open front
    • From: Murray Eisenberg <murray@math.umass.edu>