Does not work with `--output-directory` with either `contour gnuplot` or `contour lua`. #464

ghost · 2023-07-07T02:43:21Z

MWE

\documentclass[10pt]{book}
\usepackage{shellesc}
\usepackage{pgfplots}
\pgfplotsset{width=7cm,compat=1.18}
\begin{document}
\begin{tikzpicture}
\begin{axis}[title={$x \exp(-x^2-y^2)$},xlabel=$x$, ylabel=$y$,small,]
  \addplot3 [
contour gnuplot,
domain=-2:2,
domain y=-1.3:1.3,
] {exp(-x^2-y^2)*x};
\end{axis}
\end{tikzpicture}
\end{document}

Compile with

lualatex --shell-escape --output-directory='aux/' test-pgfplots.tex

broken with the following error:

line 0: warning: iconv failed to convert degree sign
line 0: Cannot load input from 'test-pgfplots_contourtmp0.script'


! Package pgfplots Error: sorry, plot file{test-pgfplots_contourtmp0.table} cou
ld not be opened.

See the pgfplots package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.14 ] {exp(-x^2-y^2)*x};

Compile with:

lualatex --shell-escape  test-pgfplots.tex

works.

It seems to be working with more low-level TikZ plots. I.e., the following works:

\begin{tikzpicture}
\draw (-1.5,0) -- (1.5,0);
\draw (0,-1.5) -- (0,1.5);
\end{tikzpicture}

This can be worked aroun, sort of, by setting:

\usepackage{pgfplots}
\pgfplotsset{width=7cm,compat=1.18}
\usepgfplotslibrary{external}
\tikzexternalize[prefix=auctex-aux/]

But this is very-very slow, and requires a hardcoded prefix=<...> in the file.

The text was updated successfully, but these errors were encountered:

muzimuzhi · 2023-07-07T08:11:02Z

Works find here, with latest TeX Live 2023 and gnuplot 5.4.8.

line 0: warning: iconv failed to convert degree sign
line 0: Cannot load input from 'test-pgfplots_contourtmp0.script'

These were thrown by gnuplot, thus not the fault of LaTeX, including pgfplots package. I find a similar ticket in gnuplot's bug tracker (https://sourceforge.net/p/gnuplot/bugs/2193/), which was solved by setting a utf8 locale.

ghost · 2023-07-07T08:17:17Z

What is the actual version of lualatex? I can reproduce this reliably without gnuplot:

This is LuaHBTeX, Version 1.17.0 (TeX Live 2023 on Slackware)
Development id: 7581

Execute  'luahbtex --credits'  for credits and version details.

There is NO warranty. Redistribution of this software is covered by
the terms of the GNU General Public License, version 2 or (at your option)
any later version. For more information about these matters, see the file
named COPYING and the LuaTeX source.

LuaTeX is Copyright 2022 Taco Hoekwater and the LuaTeX Team.

\documentclass[10pt]{book}
\usepackage{pgfplots}
\pgfplotsset{width=7cm,compat=1.18}
\begin{document}
\begin{tikzpicture}
\begin{axis}[title={$x \exp(-x^2-y^2)$},xlabel=$x$, ylabel=$y$,small,]
  \addplot3 [
contour lua,
domain=-2:2,
domain y=-1.3:1.3,
] {exp(-x^2-y^2)*x};
\end{axis}
\end{tikzpicture}
\end{document}

Package pgfplots notification 'compat/show suggested version=true': document ha
s been generated with the most recent feature set (\pgfplotsset{compat=1.18}).

[\directlua]:1: module 'test-pgfplots_contourtmp0' not found:
	no field package.preload['test-pgfplots_contourtmp0']
	[kpse lua searcher] file not found: 'test-pgfplots_contourtmp0'
stack traceback:
	[C]: in function 'require'
	[\directlua]:1: in main chunk.
\pgfplotsplothandlersurveyend ...ur external/cmd}}
                                                  \else \pgfplots@error {Cal...

l.11 ] {exp(-x^2-y^2)*x};

muzimuzhi · 2023-07-07T08:30:19Z

What is the actual version of lualatex?

The same as yours,

This is LuaTeX, Version 1.17.0 (TeX Live 2023)
Development id: 7581

With contour lua I can reproduce the problem. Doubt if these two have the same cause.

muzimuzhi · 2023-07-07T08:59:48Z

This fixes the case using contour lua with --output-directory for me (relevent code was introduced in 7f99e13):

diff --git a/tex/generic/pgfplots/libs/tikzlibrarypgfplots.contourlua.code.tex b/tex/generic/pgfplots/libs/tikzlibrarypgfplots.contourlua.code.tex
index f782101..7b3d9a1 100644
--- a/tex/generic/pgfplots/libs/tikzlibrarypgfplots.contourlua.code.tex
+++ b/tex/generic/pgfplots/libs/tikzlibrarypgfplots.contourlua.code.tex
@@ -50,7 +50,7 @@
 					end;
 					yvaries = \if 0\ordering 'x'\else 'y'\fi;
 					yvaries = (yvaries == 'y');
-					infile = io.open(\"\infile\", \"r\");
+					infile = io.open(kpse.find_file(\"\infile\"), \"r\");
 					outfile = io.open(\"\outfile\", \"w\");
 					mesh = PrepcMesh.new(yvaries, nblocks, nlines, copylines, infile, outfile);
 					\ifpgfplotsplothandlercontour@corners

muzimuzhi · 2023-07-07T09:09:34Z

@lockywolf Can you reproduce the original problem (using contour gnuplot and --output-directory) with simpler gnuplot plot, like the first example in pgfmanual (v3.1.10), sec.
22.6 "Plotting a Function Using Gnuplot" (https://tikz.dev/tikz-plots#sec-22.6)?

Example excerpted from pgfmanual sec. 22.6

\documentclass{article}
\usepackage{tikz}

\begin{document}
\begin{tikzpicture}[domain=0:4]
  \draw[very thin,color=gray] (-0.1,-1.1) grid (3.9,3.9);

  \draw[->] (-0.2,0) -- (4.2,0) node[right] {$x$};
  \draw[->] (0,-1.2) -- (0,4.2) node[above] {$f(x)$};

  \draw[color=red]    plot[id=x]   function{x}           node[right] {$f(x) =x$};
  \draw[color=blue]   plot[id=sin] function{sin(x)}      node[right] {$f(x) = \sin x$};
  \draw[color=orange] plot[id=exp] function{0.05*exp(x)} node[right] {$f(x) = \frac{1}{20} \mathrm e^x$};
\end{tikzpicture}
\end{document}

Update:

line 0: warning: iconv failed to convert degree sign
line 0: Cannot load input from 'test-pgfplots_contourtmp0.script'
These were thrown by gnuplot, thus not the fault of LaTeX, including pgfplots package.

Also the .script file contains no degree sign... Wired.

ghost · 2023-07-07T09:21:57Z

Your patch does not affect my setup, seemingly.
I am seeing the same error (lua.

s been generated with the most recent feature set (\pgfplotsset{compat=1.18}).

[\directlua]:1: module 'test-pgfplots_contourtmp0' not found:
	no field package.preload['test-pgfplots_contourtmp0']
	[kpse lua searcher] file not found: 'test-pgfplots_contourtmp0'
	[kpse C searcher] file not found: 'test-pgfplots_contourtmp0'
stack traceback:
	[C]: in function 'require'
	[\directlua]:1: in main chunk.
\pgfplotsplothandlersurveyend ...ur external/cmd}}
                                                  \else \pgfplots@error {Cal...

l.11 ] {exp(-x^2-y^2)*x};
                       
? x

@muzimuzhi

The answer to the second question is also negative

[Loading MPS to PDF converter (version 2006.09.02).]
) (/usr/share/texmf-dist/tex/latex/epstopdf-pkg/epstopdf-base.sty
(/usr/share/texmf-dist/tex/latex/latexconfig/epstopdf-sys.cfg))line 0: warning: iconv failed to convert degree sign
line 0: Cannot load input from 'test-gnuplot.x.gnuplot'



Package pgf Warning: Plot data file `test-gnuplot.x.table' not found. on input 
line 11.

line 0: warning: iconv failed to convert degree sign
line 0: Cannot load input from 'test-gnuplot.sin.gnuplot'


Package pgf Warning: Plot data file `test-gnuplot.sin.table' not found. on inpu
t line 12.

line 0: warning: iconv failed to convert degree sign
line 0: Cannot load input from 'test-gnuplot.exp.gnuplot'


Package pgf Warning: Plot data file `test-gnuplot.exp.table' not found. on inpu
t line 13.

I will test with the latest gnuplot.

ghost · 2023-07-07T09:40:13Z

line 0: warning: iconv failed to convert degree sign
line 0: Cannot load input from 'test-pgfplots_contourtmp0.script'
These were thrown by gnuplot, thus not the fault of LaTeX, including pgfplots package.
Also the .script file contains no degree sign... Wired.

gnuplot is printing this warning when just launched.

lockywolf@laptop:/tmp/mwe>gnuplot 

	G N U P L O T
	Version 5.4 patchlevel 8    last modified 2023-06-01

	Copyright (C) 1986-1993, 1998, 2004, 2007-2023
	Thomas Williams, Colin Kelley and many others

	gnuplot home:     http://www.gnuplot.info
	faq, bugs, etc:   type "help FAQ"
	immediate help:   type "help"  (plot window: hit 'h')
warning: iconv failed to convert degree sign

Terminal type is now 'qt'

ghost · 2023-07-07T09:41:05Z

./configure \
  --prefix=/usr \
  --mandir=/usr/man \
  --infodir=/usr/info \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --with-gd \
  --with-caca \
  --with-qt=qt5 \
  --without-libcerf \
  --with-texdir=/usr/share/texmf-dist/tex/latex/gnuplot \
  --datadir=/usr/share/gnuplot \
  --with-readline=builtin \

muzimuzhi · 2023-07-07T10:44:51Z

Works find here, [...]

I know why I can't reproduce it before: there existed *.table from previous run without --output-directory in current working directory.

It seems the call to gnuplot doesn't take value of --output-directory into consideration, see this question posted in 2013 https://tex.stackexchange.com/q/109331.

ghost · 2023-07-07T11:02:37Z

I suspect that the lua issue is the same issue then. The SO question seems to give a working solution to this issue, given that the value of --output-directory is available in runtime. Could it be added to the pgfplots code somewhere?

muzimuzhi changed the title ~~Does not work with --output-directory.~~ contour gnuplot does not work with --output-directory. Jul 7, 2023

ghost changed the title ~~contour gnuplot does not work with --output-directory.~~ Does not work with --output-directory with either contour gnuplot or contour lua. Jul 7, 2023

pgf-tikz deleted a comment Jul 14, 2023

op3 mentioned this issue Jun 11, 2024

contour lua does not work with separate build directory #481

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Does not work with `--output-directory` with either `contour gnuplot` or `contour lua`. #464

Does not work with `--output-directory` with either `contour gnuplot` or `contour lua`. #464

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ghost commented Jul 7, 2023

Does not work with --output-directory with either contour gnuplot or contour lua. #464

Does not work with --output-directory with either contour gnuplot or contour lua. #464

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Does not work with `--output-directory` with either `contour gnuplot` or `contour lua`. #464

Does not work with `--output-directory` with either `contour gnuplot` or `contour lua`. #464

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