[pstricks] computed coordinates
Zbigniew Nitecki
zbigniew.nitecki at tufts.edu
Sun Apr 25 18:44:47 CEST 2010
I tried that, both with a space between the "add" and the comma, and without one.
I don't get the runaway argument, but it also fails to compile.
I can't see what I am doing wrong; do I have a wrong or outdated file?
Source code (complete .tex file):
> %!TEX TS-program = latex
> \documentclass[11pt]{article}
> \usepackage{amsmath, amssymb}
> \usepackage{pstricks, pst-plot, pst-math, pst-3dplot}
> \usepackage{pst-grad, pst-func, pst-text}
> \usepackage{pstricks-add}
>
> \listfiles
> \newcommand{\vectorfieldtwo}[8]{
> \multido{\rx=#1+#2}{#3}{%
> \multido{\ry=#4+#5}{#6}{%
> \psline{->}(!\rx\space \ry)(!\rx\space #7 add \ry\space #8 add)
> }}
> }%2-dim vectorfield: x starts at #1, increments by #2, #3 iterations;
> %y starts at #4, increments by #5, #6 iterations;
> %#7, #8 components of vector (in terms of \rx & \ry, postscript style
>
>
>
> \newcommand{\vecThree}[6]{\pstThreeDLine[arrows=->]%
> (#1\space,#2\space,#3\space)(#4\space,#5\space,#6\space)
> }
> %arrow from (#1,#2,#3) to (#4,#5,#6)
> \newcommand{\vecatThree}[6]{\pstThreeDLine[arrows=->]%
> (!#1\space, #2\space, #3\space)
> (!#1\space #4\space add, #2\space #5\space add, #3\space #6\space add)
> }
> % arrow pinned to (#1,#2,#3) with components (#4,#5,#6)
>
> \begin{document}
> \begin{pspicture}(-5,-5)(5,5)
> % \vectorfieldtwo{-1}{0.5}{6}{-1}{0.5}{6}{\rx\space dup mul}{\ry\space \rx\space add}
> % \vecThree{0.5}{1}{-1}{1}{-1}{2}
> \vecatThree{0.5}{1}{-1}{1}{-1}{2}
> \end{pspicture}
>
> \end{document}
Console output:
### This is /usr/texbin/simpdftex, Version 20070809
### /usr/texbin/latex minpicturetest.tex
This is pdfTeX, Version 3.1415926-1.40.10 (TeX Live 2009)
entering extended mode
(./minpicturetest.tex
LaTeX2e <2009/09/24>
Babel <v3.8l> and hyphenation patterns for english, usenglishmax, dumylang, noh
yphenation, german-x-2009-06-19, ngerman-x-2009-06-19, ancientgreek, ibycus, ar
abic, basque, bulgarian, catalan, pinyin, coptic, croatian, czech, danish, dutc
h, esperanto, estonian, farsi, finnish, french, galician, german, ngerman, mono
greek, greek, hungarian, icelandic, indonesian, interlingua, irish, italian, ku
rmanji, latin, latvian, lithuanian, mongolian, mongolian2a, bokmal, nynorsk, po
lish, portuguese, romanian, russian, sanskrit, serbian, slovak, slovenian, span
ish, swedish, turkish, ukenglish, ukrainian, uppersorbian, welsh, loaded.
(/usr/local/texlive/2009/texmf-dist/tex/latex/base/article.cls
Document Class: article 2007/10/19 v1.4h Standard LaTeX document class
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v1.41, 2004/05/18 <tvz>) v1.04, 2009/06/08))
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`pst-math' v0.23 , (CJ,hv)))
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(/usr/local/texlive/2009/texmf-dist/tex/generic/xkeyval/keyval.tex))))
`PST-3d' v1.00, 2005/09/03 (tvz))
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v1.01, 2008/11/26)
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`pst-fp' v0.02, 2009/04/02 (hv)) `pstricks-add' v3.35, 2009/10/12 (dr,hv))
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v1.41, 2004/05/18 <tvz>) `PST-3dplot' v1.86, 2009/10/06 (HV,DL)))
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v1.00, 2006/11/05(tvz,hv)))
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(/usr/local/texlive/2009/texmf-dist/tex/generic/pstricks-add/pstricks-add.tex))
No file minpicturetest.aux.
[1] (./minpicturetest.aux)
*File List*
article.cls 2007/10/19 v1.4h Standard LaTeX document class
size11.clo 2007/10/19 v1.4h Standard LaTeX file (size option)
amsmath.sty 2000/07/18 v2.13 AMS math features
amstext.sty 2000/06/29 v2.01
amsgen.sty 1999/11/30 v2.0
amsbsy.sty 1999/11/29 v1.2d
amsopn.sty 1999/12/14 v2.01 operator names
amssymb.sty 2009/06/22 v3.00
amsfonts.sty 2009/06/22 v3.00 Basic AMSFonts support
pstricks.sty 2008/11/26 v0.40 LaTeX wrapper for `PSTricks' (RN,HV)
pstricks.tex 2009/05/19 v1.29 `PSTricks' (tvz,hv)
xcolor.sty 2007/01/21 v2.11 LaTeX color extensions (UK)
color.cfg 2007/01/18 v1.5 color configuration of teTeX/TeXLive
dvips.def 1999/02/16 v3.0i Driver-dependant file (DPC,SPQR)
pst-plot.sty 2004/07/15 package wrapper for pst-plot.tex
pst-plot.tex 2009/06/08 1.04 `pst-plot' (tvz)
pst-math.sty 2009/01/20 package wrapper for PSTricks pst-math.tex
pst-3dplot.sty 2009/07/28 package wrapper for pst-3dplot.tex (hv)
pst-3dplot.tex 2009/10/06 v1.86 `PST-3dplot' (hv)
pst-xkey.tex 2005/11/25 v1.6 PSTricks specialization of xkeyval (HA)
xkeyval.sty 2008/08/13 v2.6a package option processing (HA)
xkeyval.tex 2008/08/13 v2.6a key=value parser (HA)
pst-grad.sty 2004/07/15 package wrapper for pst-grad.tex (hv)
pst-grad.tex 2006/11/27 1.06 `pst-grad' (tvz)
pst-func.sty 2008/03/21 package wrapper for pst-func.tex (hv)
pst-func.tex 2009/10/08 v0.60 `PST-func' (hv)
pst-text.sty 2006/01/01 package wrapper for pst-text.tex (hv)
pst-text.tex 2006/11/05 1.00 `pst-text' (tvz)
pstricks-add.sty 2009/03/17 v. 0.13 package wrapper for pstricks-add.tex (hv
)
pstricks-add.tex 2006/11/05 v1.00 `PSTricks-add' (hv)
***********
)
Output written on minpicturetest.dvi (1 page, 3560 bytes).
Transcript written on minpicturetest.log.
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[1]
### ps2pdf13 /tmp/altpdflatex.13452-1272213493/minpicturetest.ps /tmp/altpdflatex.13452-1272213493/minpicturetest.pdf
Error: /undefined in !0.5
Operand stack:
--nostringval--
Execution stack:
%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--
Dictionary stack:
--dict:1150/1684(ro)(G)-- --dict:0/20(G)-- --dict:116/200(L)-- --dict:175/300(L)-- --dict:38/200(L)-- --dict:95/200(L)--
Current allocation mode is local
Last OS error: 2
Current file position is 161598
GPL Ghostscript 8.70: Unrecoverable error, exit code 1
### FAILED to generate /tmp/altpdflatex.13452-1272213493/minpicturetest.pdf ()
Zbigniew Nitecki
Department of Mathematics
Tufts University
Medford, MA 02155
telephones:
Office (617)627-3843
Dept. (617)627-3234
Dept. fax (617)627-3966
http://www.tufts.edu/~znitecki/
On Apr 25, 2010, at 12:10, Michael Sharpe wrote:
>
> On Apr 25, 2010, at 7:00 AM, Zbigniew Nitecki wrote:
>
>> I'm still confused about how to introduce computations on inputs into a macro.
>>
>> I am trying to create a macro to then include in a \multido for drawing an arrow
>> indicating a vector field. The following two-dimensional version works fine: I can
>> insert a postscript formula for the components of the last two inputs and get a reasonable
>> picture.
>> \newcommand{\vectorfieldtwo}[8]{
>> \multido{\rx=#1+#2}{#3}{%
>> \multido{\ry=#4+#5}{#6}{%
>> \psline{->}(!\rx\space \ry)(!\rx\space #7 add \ry\space #8 add)
>> }}
>> }%2-dim vectorfield: x starts at #1, increments by #2, #3 iterations;
>> %y starts at #4, increments by #5, #6 iterations;
>> %#7, #8 components of vector (in terms of \rx & \ry, postscript style
>>
>> The following also works in 3D, but I am giving both endpoints of the vector explicitly:
>> \newcommand{\vecThree}[6]{\pstThreeDLine[arrows=->]%
>> (#1\space,#2\space,#3\space)(#4\space,#5\space,#6\space)
>> }
>> %arrow from (#1,#2,#3) to (#4,#5,#6)
>> However, when I try to do the following, which uses as input the components of the vector
>> instead of explicit coordinates for its endpoint, I get an error message (the error is the same
>> whether I use an exclamation before the coordinates or not):
>>
>> \newcommand{\vecatThree}[6]{\pstThreeDLine[arrows=->]%
>> (#1\space #2\space #3\space)
>> (#1\space #4\space add #2\space #5\space add #3\space #6\space add)
>> }
>> % arrow pinned to (#1,#2,#3) with components (#4,#5,#6)
>>
>>> Runaway argument?
>>> \@nil \edef \pst at coors {\pst at coor \pst at coors }\@ifnextchar ({\pst@@getcoors \ET
>>> C.
>>> ! Paragraph ended before \cartesianIIID at coor was complete.
>>> <to be read again>
>>> \par
>>> l.41
>>
>> I would like, ultimately, to insert such a macro either into a multido as in the 2-dim example,
>> or to do something more sophisticated: given a surface plotted via say parametricplotThreeD,
>> to insert a formula for the entries #1, #2, and #3 as well (to plot the vectors only along the points
>> of the surface).
>>
>> I would also prefer to use the algebraic rather than postscript form for formulas, but that is a minor
>> and separate matter.
>>
>
> Just change (#1\space #4\space add #2\space #5\space add #3\space #6\space add) to
>> (#1\space #4\space add, #2\space #5\space add ,#3\space #6\space add)
>
> The three-d coordinate parser always expects coordinates separated by commas, unlike the two-d coordinate parser.
>
> Michael
> _______________________________________________
> PSTricks mailing list
> PSTricks at tug.org
> http://tug.org/mailman/listinfo/pstricks
> archive: http://www.tug.org/pipermail/pstricks/
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