[pstricks] axesboxed with surfaceparametree in solides3d

[Herbert Voss]

Am 20.08.2010 15:14, schrieb Zbigniew Nitecki:

> I got 
>> 5805-1282309844/exa026.pdf
>> (Error : mauvais type d argument dans solidwithinfaces)
> 
> 
> and a blank output.

I get not such error ...
However, you should tey r=1, then the greatest value of z is 4

Herbert





> 
> Zbigniew Nitecki
> Department of Mathematics
> Tufts University
> Medford, MA 02155
> 
> telephones:
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> 
> On Aug 20, 2010, at 3:03, Herbert Voss wrote:
> 
>> Am 19.08.2010 22:55, schrieb Zbigniew Nitecki:
>>> Yes, the picture is along the right lines.
>>>
>>> I understand some of the code, but not all of it.
>>> The starred version of \psSurface does not appear in the pst-solides3d documentation;
>>> I don't see the role of r=3 sqrt 2 mul
>>> and what does the last part of the function definition
>>> 	-5 It{pop -5} if
>>> mean or do?
>>
>> instead of using base=<xmin xmax ymin ymax> one can specify the
>> radius of the base: r²=x²+y²
>>
>> -5 lt {pop -5} if
>> on the stack is the z value. Is it less than -5 delete it (pop)
>> and replace it with -5.
>>
>> use \psSurface to see the differenve to the star version \psSurface*
>>
>> Herbert
>>
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