[pstricks] Re : pst-solides3d psSurface

[Manuel Luque]

Leon Free wrote :

>i'd like to use the projection+intersection facilities included inpst-solides3d. i started plotting a >3d function z=f(x,y) (see attachedtex source).while \psplotThreeD from pst-3dplot works fine, the >\psSurface macrofrom pst-solides3d fails.


The cause of the error values are intervals \psSurface

\psSurface[options](xmin,ymin)(xmax,ymax){equation of the surface z=f(x,y)}

Try this:

\begin{pspicture}(-4,-2)(6,6)
\axesIIID[linecolor=gray](-3,-2,-0.5)(2.5,1.5,2.5)
\psSurface[grid,ngrid=.1 .1,fillcolor=yellow!50]%
(-2,-1)(1,1)%
{1 x add 2 exp y 2 exp 2 mul add x y mul sub 0.4 mul 0.2 add}
\end{pspicture}

Manuel

 

 


 

 

-----E-mail d'origine-----
De : Leon Free <leon.free at free.fr>
A : Graphics with PSTricks <pstricks at tug.org>
Envoyé le : Mardi, 31 Mai 2011 8:08
Sujet : [pstricks] pst-solides3d psSurface


hi
i'd like to use the projection+intersection facilities included in
pst-solides3d. i started plotting a 3d function z=f(x,y) (see attached
tex source).

while \psplotThreeD from pst-3dplot works fine, the \psSurface macro
from pst-solides3d fails.

latex+dvips does not complain but when trying to view the postscript,
ghostscript says:

Error: /undefinedresult in --div--
Operand stack:
   --nostringval--   dy   0   0
Execution stack:
   %interp_exit   .runexec2   --nostringval--   --nostringval--
--nostringval--   2   %stopped_push   --nostringval--   --nostringval--
  --nostringval--   false   1   %stopped_push   1878   1   3
%oparray_pop   1877   1   3   %oparray_pop   1861   1   3   %oparray_pop
  1755   1   3   %oparray_pop   --nostringval--   %errorexec_pop
.runexec2   --nostringval--   --nostringval--   --nostringval--   2
%stopped_push   --nostringval--   --nostringval--   --nostringval--
Dictionary stack:
   --dict:1157/1684(ro)(G)--   --dict:0/20(G)--   --dict:83/200(L)--
--dict:745/1012(L)--   --dict:176/300(L)--   --dict:38/200(L)--
--dict:197/200(L)--   --dict:745/1012(L)--   --dict:8/10(L)--
Current allocation mode is local
Last OS error: 2
GPL Ghostscript 8.71: Unrecoverable error, exit code 1

the ps2pdf utility issues the same message with the further information
that: Current file position is 455474

all i can guess is that a ./0 division occurs at some point. but i cant
debug it further. does anybody know what's wrong ?
lf



 
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