<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I don't understand what is going on here. The following code...<div>*****************************************************************</div><div>%!TEX TS-program = latex<br>\listfiles<br>\documentclass[11pt]{article}<br>\usepackage{pst-plot, pst-math, pst-3dplot}<br>\usepackage{pst-grad, pst-func, pst-text}<br>\usepackage{pstricks-add}<br><br>\begin{document}<br><br>\begin{figure}[htbp]<br>\begin{center}<br><span class="Apple-tab-span" style="white-space:pre"> </span>\begin{pspicture}(-1.5,-1.5)(1.5,3)<br><span class="Apple-tab-span" style="white-space:pre"> </span>\psset{Alpha=-70}<br><span class="Apple-tab-span" style="white-space:pre"> </span>\pstThreeDCoor[xMin=0, xMax=2.5, yMin=0, yMax=2.5, zMin=0, zMax=3]<br><span class="Apple-tab-span" style="white-space:pre"> </span>\multido{\rt=0+5}{19}{%<br><span class="Apple-tab-span" style="white-space:pre"> </span>\parametricplotThreeD(0.1,2){%<br><span class="Apple-tab-span" style="white-space:pre"> </span>\rt\space cos t mul %<br><span class="Apple-tab-span" style="white-space:pre"> </span>\rt\space sin t mul %<br><span class="Apple-tab-span" style="white-space:pre"> </span>4 t dup mul sub 0.5 exp%<br><span class="Apple-tab-span" style="white-space:pre"> </span>} <br><span class="Apple-tab-span" style="white-space:pre"> </span>\parametricplotThreeD(0.1,1){%<br><span class="Apple-tab-span" style="white-space:pre"> </span>\rt\space cos t mul %<br><span class="Apple-tab-span" style="white-space:pre"> </span>\rt\space sin t mul %<br><span class="Apple-tab-span" style="white-space:pre"> </span>1 t dup mul sub 0.5 exp%<br><span class="Apple-tab-span" style="white-space:pre"> </span>} <br><span class="Apple-tab-span" style="white-space:pre"> </span>}<br><span class="Apple-tab-span" style="white-space:pre"> </span>\end{pspicture}<br>\caption{Shell in first octant}<br>\label{fig:sphereshell}<br>\end{center}<br>\end{figure}<br><br>\end{document}</div><div>**************************************************************************</div><div>...crashes:</div><div>*****************************************</div><div>### This is /usr/texbin/simpdftex, Version 20070809<br>### /usr/texbin/latex picturetestx.tex<br>This is pdfTeX, Version 3.1415926-1.40.10 (TeX Live 2009)<br>entering extended mode<br>(./picturetestx.tex<br>LaTeX2e <2009/09/24><br>Babel <v3.8l> and hyphenation patterns for english, usenglishmax, dumylang, noh<br>yphenation, german-x-2009-06-19, ngerman-x-2009-06-19, ancientgreek, ibycus, ar<br>abic, basque, bulgarian, catalan, pinyin, coptic, croatian, czech, danish, dutc<br>h, esperanto, estonian, farsi, finnish, french, galician, german, ngerman, mono<br>greek, greek, hungarian, icelandic, indonesian, interlingua, irish, italian, ku<br>rmanji, latin, latvian, lithuanian, mongolian, mongolian2a, bokmal, nynorsk, po<br>lish, portuguese, romanian, russian, sanskrit, serbian, slovak, slovenian, span<br>ish, swedish, turkish, ukenglish, ukrainian, uppersorbian, welsh, loaded.<br>(/usr/local/texlive/2009/texmf-dist/tex/latex/base/article.cls<br>Document Class: article 2007/10/19 v1.4h Standard LaTeX document class<br>(/usr/local/texlive/2009/texmf-dist/tex/latex/base/size11.clo))<br>(/usr/local/texlive/2009/texmf-dist/tex/latex/pstricks/pst-plot.sty<br>(/usr/local/texlive/2009/texmf-dist/tex/latex/pstricks/pstricks.sty<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/pstricks/pstricks.tex<br>`PSTricks' v1.29 <2009/05/19> (tvz)<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/pstricks/pstricks.con))<br>(/usr/local/texlive/2009/texmf-dist/tex/latex/xcolor/xcolor.sty<br>(/usr/local/texlive/2009/texmf-dist/tex/latex/latexconfig/color.cfg)<br>(/usr/local/texlive/2009/texmf-dist/tex/latex/graphics/dvips.def)))<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/pstricks/pst-plot.tex<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/multido/multido.tex<br> v1.41, 2004/05/18 <tvz>) v1.04, 2009/06/08))<br>(/usr/local/texlive/2009/texmf-dist/tex/latex/pst-math/pst-math.sty<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/pst-math/pst-math.tex<br>`pst-math' v0.23 , (CJ,hv)))<br>(/usr/local/texlive/2009/texmf-dist/tex/latex/pst-3dplot/pst-3dplot.sty<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/pst-3dplot/pst-3dplot.tex<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/pst-3d/pst-3d.tex<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/xkeyval/pst-xkey.tex<br>(/usr/local/texlive/2009/texmf-dist/tex/latex/xkeyval/xkeyval.sty<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/xkeyval/xkeyval.tex<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/xkeyval/keyval.tex))))<br>`PST-3d' v1.00, 2005/09/03 (tvz))<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/pstricks-add/pstricks-add.tex<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/pstricks/pst-node.tex<br> v1.01, 2008/11/26)<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/pstricks-add/pst-fp.tex<br>`pst-fp' v0.02, 2009/04/02 (hv)) `pstricks-add' v3.35, 2009/10/12 (dr,hv))<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/multido/multido.tex<br> v1.41, 2004/05/18 <tvz>) `PST-3dplot' v1.86, 2009/10/06 (HV,DL)))<br>(/usr/local/texlive/2009/texmf-dist/tex/latex/pst-grad/pst-grad.sty<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/pst-grad/pst-grad.tex<br>`pst-grad' v1.06, 2006/11/27 (tvz,dg,hv)))<br>(/usr/local/texlive/2009/texmf-dist/tex/latex/pst-func/pst-func.sty<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/pst-func/pst-func.tex<br>`PST-func' v0.60, 2009/10/08 (hv)))<br>(/usr/local/texlive/2009/texmf-dist/tex/latex/pst-text/pst-text.sty<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/pst-text/pst-text.tex<br> v1.00, 2006/11/05(tvz,hv)))<br>(/usr/local/texlive/2009/texmf-dist/tex/latex/pstricks-add/pstricks-add.sty<br>(/usr/local/texlive/2009/texmf-dist/tex/generic/pstricks-add/pstricks-add.tex))<br> (./picturetestx.aux) [1] (./picturetestx.aux)<br><br> *File List*<br> article.cls 2007/10/19 v1.4h Standard LaTeX document class<br> size11.clo 2007/10/19 v1.4h Standard LaTeX file (size option)<br>pst-plot.sty 2004/07/15 package wrapper for pst-plot.tex<br>pstricks.sty 2008/11/26 v0.40 LaTeX wrapper for `PSTricks' (RN,HV)<br>pstricks.tex 2009/05/19 v1.29 `PSTricks' (tvz,hv)<br> xcolor.sty 2007/01/21 v2.11 LaTeX color extensions (UK)<br> color.cfg 2007/01/18 v1.5 color configuration of teTeX/TeXLive<br> dvips.def 1999/02/16 v3.0i Driver-dependant file (DPC,SPQR)<br>pst-plot.tex 2009/06/08 1.04 `pst-plot' (tvz)<br>pst-math.sty 2009/01/20 package wrapper for PSTricks pst-math.tex<br>pst-3dplot.sty 2009/07/28 package wrapper for pst-3dplot.tex (hv)<br>pst-3dplot.tex 2009/10/06 v1.86 `PST-3dplot' (hv)<br>pst-xkey.tex 2005/11/25 v1.6 PSTricks specialization of xkeyval (HA)<br> xkeyval.sty 2008/08/13 v2.6a package option processing (HA)<br> xkeyval.tex 2008/08/13 v2.6a key=value parser (HA)<br>pst-grad.sty 2004/07/15 package wrapper for pst-grad.tex (hv)<br>pst-grad.tex 2006/11/27 1.06 `pst-grad' (tvz)<br>pst-func.sty 2008/03/21 package wrapper for pst-func.tex (hv)<br>pst-func.tex 2009/10/08 v0.60 `PST-func' (hv)<br>pst-text.sty 2006/01/01 package wrapper for pst-text.tex (hv)<br>pst-text.tex 2006/11/05 1.00 `pst-text' (tvz)<br>pstricks-add.sty 2009/03/17 v. 0.13 package wrapper for pstricks-add.tex (hv<br>)<br>pstricks-add.tex 2006/11/05 v1.00 `PSTricks-add' (hv)<br> ***********<br><br> )<br>Output written on picturetestx.dvi (1 page, 83400 bytes).<br>Transcript written on picturetestx.log.<br>### /usr/texbin/dvips -R -Poutline -o /tmp/altpdflatex.12351-1262630704/picturetestx.ps picturetestx.dvi<br>This is dvips(k) 5.98 Copyright 2009 Radical Eye Software (<a href="http://www.radicaleye.com">www.radicaleye.com</a>)<br>' TeX output 2010.01.04:1345' -> /tmp/altpdflatex.12351-1262630704/picturetestx.ps<br></usr/local/texlive/2009/texmf/dvips/base/tex.pro><br></usr/local/texlive/2009/texmf-dist/dvips/pstricks/pstricks.pro><br></usr/local/texlive/2009/texmf-dist/dvips/pstricks/pst-algparser.pro><br></usr/local/texlive/2009/texmf-dist/dvips/pstricks/pst-dots.pro><br></usr/local/texlive/2009/texmf-dist/dvips/pst-math/pst-math.pro><br></usr/local/texlive/2009/texmf-dist/dvips/pstricks/pst-node.pro><br></usr/local/texlive/2009/texmf-dist/dvips/pstricks-add/pstricks-add.pro><br></usr/local/texlive/2009/texmf-dist/dvips/pst-3dplot/pst-3dplot.pro><br></usr/local/texlive/2009/texmf-dist/dvips/pst-grad/pst-grad.pro><br></usr/local/texlive/2009/texmf-dist/dvips/pst-func/pst-func.pro><br></usr/local/texlive/2009/texmf-dist/dvips/pst-text/pst-text.pro><br></usr/local/texlive/2009/texmf/dvips/base/texps.pro><br></usr/local/texlive/2009/texmf/dvips/base/special.pro><br></usr/local/texlive/2009/texmf/dvips/base/color.pro>. <br></usr/local/texlive/2009/texmf-dist/fonts/type1/public/amsfonts/cm/cmr10.pfb><br></usr/local/texlive/2009/texmf-dist/fonts/type1/public/amsfonts/cm/cmmi10.pfb><br>[1] <br>### ps2pdf13 /tmp/altpdflatex.12351-1262630704/picturetestx.ps /tmp/altpdflatex.12351-1262630704/picturetestx.pdf<br>Error: /undefinedresult in --exp--<br>Operand stack:<br> 1.0 0.0 -4.76837e-07 0.5<br>Execution stack:<br> %interp_exit .runexec2 --nostringval-- --nostringval-- --nostringval-- 2 %stopped_push --nostringval-- --nostringval-- --nostringval-- false 1 %stopped_push 1862 1 3 %oparray_pop 1861 1 3 %oparray_pop 1845 1 3 %oparray_pop 1739 1 3 %oparray_pop --nostringval-- %errorexec_pop .runexec2 --nostringval-- --nostringval-- --nostringval-- 2 %stopped_push --nostringval-- 0 --nostringval-- %repeat_continue --nostringval-- 0 --nostringval-- %repeat_continue --nostringval-- --nostringval--<br>Dictionary stack:<br> --dict:1150/1684(ro)(G)-- --dict:0/20(G)-- --dict:116/200(L)-- --dict:176/300(L)-- --dict:38/200(L)-- --dict:144/200(L)--<br>Current allocation mode is local<br>Last OS error: 2<br>Current file position is 205883<br>GPL Ghostscript 8.70: Unrecoverable error, exit code 1<br>### FAILED to generate /tmp/altpdflatex.12351-1262630704/picturetestx.pdf ()<br><br><div>
<span class="Apple-style-span" style="font-size: 12px; "><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">**************************************************************************************</font></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">But when I comment out the second parametricplotThreeD:</font></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">********************************************************************</font></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">%!TEX TS-program = latex<br>\listfiles<br>\documentclass[11pt]{article}<br>\usepackage{pst-plot, pst-math, pst-3dplot}<br>\usepackage{pst-grad, pst-func, pst-text}<br>\usepackage{pstricks-add}<br><br>\begin{document}<br><br>\begin{figure}[htbp]<br>\begin{center}<br><span class="Apple-tab-span" style="white-space:pre"> </span>\begin{pspicture}(-1.5,-1.5)(1.5,3)<br><span class="Apple-tab-span" style="white-space:pre"> </span>\psset{Alpha=-70}<br><span class="Apple-tab-span" style="white-space:pre"> </span>\pstThreeDCoor[xMin=0, xMax=2.5, yMin=0, yMax=2.5, zMin=0, zMax=3]<br><span class="Apple-tab-span" style="white-space:pre"> </span>\multido{\rt=0+5}{19}{%<br><span class="Apple-tab-span" style="white-space:pre"> </span>\parametricplotThreeD(0.1,2){%<br><span class="Apple-tab-span" style="white-space:pre"> </span>\rt\space cos t mul %<br><span class="Apple-tab-span" style="white-space:pre"> </span>\rt\space sin t mul %<br><span class="Apple-tab-span" style="white-space:pre"> </span>4 t dup mul sub 0.5 exp%<br><span class="Apple-tab-span" style="white-space:pre"> </span>} <br>%<span class="Apple-tab-span" style="white-space:pre"> </span>\parametricplotThreeD(0.1,1){%<br>%<span class="Apple-tab-span" style="white-space:pre"> </span>\rt\space cos t mul %<br>%<span class="Apple-tab-span" style="white-space:pre"> </span>\rt\space sin t mul %<br>%<span class="Apple-tab-span" style="white-space:pre"> </span>1 t dup mul sub 0.5 exp%<br>%<span class="Apple-tab-span" style="white-space:pre"> </span>} <br><span class="Apple-tab-span" style="white-space:pre"> </span>}<br><span class="Apple-tab-span" style="white-space:pre"> </span>\end{pspicture}<br>\caption{Shell in first octant}<br>\label{fig:sphereshell}<br>\end{center}<br>\end{figure}<br><br>\end{document}</font></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">***************************************************************************************</font></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">it works fine:</font></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><br></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "></p></span></div></div></body></html>