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Groups > comp.graphics.apps.gnuplot > #3104
| From | Karl-Friedrich Ratzsch <mail.kfr@gmx.net> |
|---|---|
| Newsgroups | comp.graphics.apps.gnuplot |
| Subject | Re: line 0: warning: Skipping data file with no valid points(gnuplot) |
| Date | 2015-10-11 13:01 +0200 |
| Organization | solani.org |
| Message-ID | <mvdfj0$eum$1@solani.org> (permalink) |
| References | <00007e50-135d-46d6-b1fc-7d088a4c09e0@googlegroups.com> |
Am 11.10.2015 um 12:11 schrieb Marcello Chiurazzi:
> I have a problem using gnupolot from a c++ source code.
> The error is this:line 0: warning: Skipping data file with no valid points
>
> The code is this:
> char * commandsForGnuplot[] = {"set title \"ThumbRest\"","plot [0:6][-8.0:8.0] 'Thumb_R_1' with linespoints lc rgb 'black', 'Thumb_R_2' with linespoints lc rgb 'green', 'Thumb_R_3' with linespoints lc rgb 'blue', 'Thumb_R_4' with linespoints lc rgb 'red'"};
The warning means that one of your temporary data files has nothing
to do for "plot [0:6][-8.0:8.0]". Why, I cannot tell.
It's very hard to see the source of the problem with everything
wrapped in your C code. It could be a bug in gnuplot, an error in
the commands you use, an error in your data processing, a problem
with your original data, or anything else.
You should test your gnuplot commands in a plain gnuplot script, and
only then transfer them to your C code. Check if your temp files
really contain what you think they should, etc.
Karl
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line 0: warning: Skipping data file with no valid points(gnuplot) Marcello Chiurazzi <chiurazzi.marcello@gmail.com> - 2015-10-11 03:11 -0700
Re: line 0: warning: Skipping data file with no valid points(gnuplot) Karl-Friedrich Ratzsch <mail.kfr@gmx.net> - 2015-10-11 13:01 +0200
Re: line 0: warning: Skipping data file with no valid points(gnuplot) Marcello Chiurazzi <chiurazzi.marcello@gmail.com> - 2015-10-12 15:38 -0700
Re: line 0: warning: Skipping data file with no valid points(gnuplot) Ethan A Merritt <sfeam@users.sourceforge.net> - 2015-10-12 16:30 -0700
Re: line 0: warning: Skipping data file with no valid points(gnuplot) Marcello Chiurazzi <chiurazzi.marcello@gmail.com> - 2015-10-13 00:33 -0700
Re: line 0: warning: Skipping data file with no valid points(gnuplot) Marcello Chiurazzi <chiurazzi.marcello@gmail.com> - 2015-10-13 00:42 -0700
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