gnuplot-info — For questions and discussion about gnuplot

[Gnuplot-info] how to make contour plot in 2d with other 2d lines

[Michael C. <van...@gm...>]

Hi, it is pretty common to see such a graph in nonlinear optimization
book: on xy plane, contour of objective function, and lines or curves
of constraints.

I tried to make contour using splot, but then I can not add 2d plots
onto it. Any suggestions?

--=20
Michael Chen

Re: [Gnuplot-info] Margins are too large in pm3d plots

[<br...@ph...>]

Daniel Graupner wrote:

> in my pm3d plots the white margins around the plot are too large,

And how large is "too large"?

Re: AW: Re: [Gnuplot-info] graph "disappears" with column() in using spec

[<br...@ph...>]

Daniel Graupner wrote:

> Of course, yes, I can do it with grep or even do the needed
> calculation before generating the logfile.  Just wanted to mention
> the problem, I thought that using IS for filtering.

It is for some kinds of filtering --- but not all.

Re: [Gnuplot-info] Windows file locations

[<br...@ph...>]

Ronald M Watkins wrote:
> 
> I cannot figure out where the data file is being referenced from. 

The current working directory of the gnuplot process, of course.  Which 
that is depends on how you ran gnuplot.  Display it with 'pwd', change 
it with 'cd'.

[Gnuplot-info] Windows file locations

[Ronald M W. <ron...@ae...>]

I cannot figure out where the data file is being referenced from. I have 
tried C:\data.dat as well as other very specific locations but always get 
the file not found error when plotting.
American Express made the following
 annotations on 05/17/06, 06:36:51
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American Express a ajouté le commentaire suivant le 05/17/06, 06:36:51

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AW: Re: [Gnuplot-info] graph "disappears" with column() in using spec

[Daniel G. <li...@da...>]

>Daniel Graupner wrote:
>In a nutshell: I don't think the scanf format string feature is a good 
>idea to use for filtering your data.  'grep' exists --- use it.

Of course, yes, I can do it with grep or even do the needed calculation before generating the logfile.  Just wanted to mention the problem, I thought that using IS for filtering.

However, there are always many ways to success 8-).

Regards,
Daniel.

[Gnuplot-info] -persist

[Jon D. <jd...@ya...>]

I have recently installed gnuplot 4.0 (gp400win32.zip) from the gnuplot  homepage on a MS windows machine.  I am not able to keep a plot  window open when I run a file from the command line.  I tried  putting a pause -1 in the script, have tried a '-' as the last argument  on the command line and '-persist' as the last argument on the command  line.  The script works because I am able to get the graph saved  as a .pgn file.  Any thoughts?
  
  Jon
  
		
---------------------------------
How low will we go? Check out Yahoo! Messenger’s low  PC-to-Phone call rates.

[Gnuplot-info] Plotting fifo

[Qiang J. <jiq...@in...>]

Hi all,

    I'm writing a program which solves a system of m differential 
equations in C(m is variable). In each step, I should draw m curses in 
the same graphic. To realise the real-time update of the graphic, I 
thought of use the FIFOs and plot the fifos in each step. The problem is 
that I create m FIFOs (I've tried with a fifo and m+1 columns, that 
didn't work),and the command gnuplot is:
plot "nameoffifo1" using 1:2 with linespoints,\
        "nameoffifo2" using 1:2 with linespoints,\
          ...
         "nameoffifom" using 1:2 with linespoints,\n
The program hangs when it try to write in the second fifo. I guess the 
problem is that gnuplot take just the first line in a time, it reads 
only the first fifo until the program finishes, so only the first fifo 
can work, the others, when i do a fopen, there's a dead lock.

I would like to know if anyone has a solution for this. Thank you.

--
QIANG Jiqing

Re: [Gnuplot-info] starting with gnuplot

[<br...@ph...>]

Geert Scholma wrote:

> I have installed gnuplot 4.0.0, 

Installed it *how*, on *what*?

 > but It seems to have disappeared. The
> readme says that it will install it in /usr/local, but I can't find
> this directory. 

/usr/local is the default installation prefix on Unix-like platforms, if 
you build via ./configure.  If your platform isn't Unix (or an emulation 
of it, e.g. Cygwin), then it'll end up elsewhere.

Re: [Gnuplot-info] graph "disappears" with column() in using spec

[<br...@ph...>]

Daniel Graupner wrote:
> Hello,
> 
> plotting
> plot 	"Pen10-M-$0.out" using 1:2 "LCE,%lf,77,500,%lf,%lf" title "0" with lines
> works fine.
> 
> Plotting
> plot 	"Pen10-M-$0.out" using 1:(column(2)) "LCE,%lf,77,500,%lf,%lf" title "0" with lines

Here's a guess: if you plot 'with points' instead, you'll get a plot.

To see what actually happened, plot this to the table terminal and 
observe the breaks in the sequence of points.  The problem is that two 
data points matching the format string never follow each other directly, 
in your data file.

In a nutshell: I don't think the scanf format string feature is a good 
idea to use for filtering your data.  'grep' exists --- use it.

[Gnuplot-info] Margins are too large in pm3d plots

[Daniel G. <li...@da...>]

Hello,

in my pm3d plots the white margins around the plot are too large, this wastes space in latex and does not look nice (caption of the figure is far below the graph). This problem seems to be terminal independent, occurs also with png.

The result of the plot is here:
http://root.dael.de/MAC.gplotPar20.png

I have no idea how to change the margins.

Regards,
Daniel.

my plot is:
unset time 
set grid layerdefault

unset grid
unset mxtics
unset mytics
unset xtics
unset ytics

set xrange [5000:13500]
set yrange [4000:12000]
#set cbrange [0:0.5]

set title "MAC-Layer Load (Bandwidth Map)"
set cblabel "Bandwidth in Kbps"

set format xy ""
set cbtics in scale 4

set sample 11; set isosamples 11
set pm3d map implicit
set colorbox
set lmargin 0
set palette rgbformulae 7,5,15
set terminal epslatex input color 7
set view map
splot 	"cellsend.dat" using 1:2:3 notitle

[Gnuplot-info] Re: your AMBxtEN

[Darach H. <da...@gc...>]

Hi
=20
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Sing all ye joyful, now sing all together?=20
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And bright are the windows of Night in her tower.=20
Dance all ye joyful, now dance all together!=20
Soft is the grass, and let foot be like feather!=20

[Gnuplot-info] starting with gnuplot

[Geert S. <gee...@gm...>]

hello,

I have installed gnuplot 4.0.0, but It seems to have disappeared. The
readme says that it will install it in /usr/local, but I can't find
this directory. Who can help me?

Geert

[Gnuplot-info] Re: font for cbtics

[Anton K. <an...@ku...>]

Sorry, it was not clear from my message. I did set the font properly as 
it is described in help. It just does not work. That seems to me a bug.

No doubt I am able to set font for xtics or whatever.

Thanks

Hans-Bernhard Bröker wrote:
> Anton Kulchitsky wrote:
>> Well, in this case you might be aware of is how to change the font 
>> for cbtics! I could not. Finally, I made them white and put labels 
>> instead. Do you know a better trick?
>
> RTFM, please:  see help cbtics', read what it tells you to, and you'll 
> find 'font' mentioned.
>
>

[Gnuplot-info] Re: font for cbtics

[<br...@ph...>]

Anton Kulchitsky wrote:
> Well, in this case you might be aware of is how to change the font for 
> cbtics! I could not. Finally, I made them white and put labels instead. 
> Do you know a better trick?

RTFM, please:  see help cbtics', read what it tells you to, and you'll 
find 'font' mentioned.

[Gnuplot-info] font for cbtics

[Anton K. <an...@ku...>]

Well, in this case you might be aware of is how to change the font for 
cbtics! I could not. Finally, I made them white and put labels instead. 
Do you know a better trick?

Hans-Bernhard Bröker wrote:
> Anton Kulchitsky wrote:
>> I tried to put labels directly on the picture but could not. Pm3d 
>> image is put upon the labels and hides them. Gnuplot is the last 
>> update from the CVS.
>
> Now read 'help set label' again, and ask yourself what that '{front | 
> back}' option might be for.
>
>
> -------------------------------------------------------
> Using Tomcat but need to do more? Need to support web services, security?
> Get stuff done quickly with pre-integrated technology to make your job 
> easier
> Download IBM WebSphere Application Server v.1.0.1 based on Apache 
> Geronimo
> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
> _______________________________________________
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Re: [Gnuplot-info] pm3d draws above labels

[Anton K. <an...@ku...>]

Thanks. Cool!

Hans-Bernhard Bröker wrote:
> Anton Kulchitsky wrote:
>> I tried to put labels directly on the picture but could not. Pm3d 
>> image is put upon the labels and hides them. Gnuplot is the last 
>> update from the CVS.
>
> Now read 'help set label' again, and ask yourself what that '{front | 
> back}' option might be for.
>
>
> -------------------------------------------------------
> Using Tomcat but need to do more? Need to support web services, security?
> Get stuff done quickly with pre-integrated technology to make your job 
> easier
> Download IBM WebSphere Application Server v.1.0.1 based on Apache 
> Geronimo
> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
> _______________________________________________
> Gnuplot-info mailing list
> Gnu...@li...
> https://lists.sourceforge.net/lists/listinfo/gnuplot-info
>
>

Re: [Gnuplot-info] pm3d draws above labels

[<br...@ph...>]

Anton Kulchitsky wrote:
> I tried to put labels directly on the picture but could not. Pm3d image 
> is put upon the labels and hides them. Gnuplot is the last update from 
> the CVS.

Now read 'help set label' again, and ask yourself what that '{front | 
back}' option might be for.

Re: [Gnuplot-info] No graph appears

[<as...@ib...>]

Hi,
Porbably this behaviour is due to the new installation. In order to
chek that, try the folowing:
Open a terminal window, and launch gnuplot. You should see the
"standar gnuplot welcome" and this line:

Terminal type set to 'x11'

If you see =B4unknwon=B4 then you need to install some x11-dev packages.
Breezy (Ubuntu 5.10) has a package named gnuplot-x11 that is needed in
order to plot using the x11 terminal.


On 5/12/06, Benjamin Grandey <ben...@st...> wrote=
:
> Hi,
>
> I've just installed gnuplot following a recent installation of Kubuntu.
> However, whenever I try to run programs (written in C) which are meant
> to automatically provide a visual output using gnuplot, no graph appears
> - they worked fine in a previous installation of Debian Sarge and also
> work ok in Solaris.  Also, whenever I type 'plot x' etc within gnuplot,
> no graph appears.  What could the possible reasons for this be?
>
> Any help would be much appreciated.
>
> Thanks,
>
> Benjamin
>
>
> -------------------------------------------------------
> Using Tomcat but need to do more? Need to support web services, security?
> Get stuff done quickly with pre-integrated technology to make your job ea=
sier
> Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronim=
o
> http://sel.as-us.falkag.net/sel?cmd=3Dlnk&kid=3D120709&bid=3D263057&dat=
=3D121642
> _______________________________________________
> Gnuplot-info mailing list
> Gnu...@li...
> https://lists.sourceforge.net/lists/listinfo/gnuplot-info
>


--=20
------------------------------------------------
Mgter.  Hern=E1n  Gonzalo  Asorey
Instituto Balseiro - CAB
8400 - Bariloche - R=EDo Negro
Argentina
---------------------------------------------
as...@ib...

[Gnuplot-info] pm3d draws above labels

[Anton K. <an...@ku...>]

I tried to put labels directly on the picture but could not. Pm3d image 
is put upon the labels and hides them. Gnuplot is the last update from 
the CVS.


Thanks,

Anton

[Gnuplot-info] No graph appears

[Benjamin G. <ben...@st...>]

Hi,

I've just installed gnuplot following a recent installation of Kubuntu.  
However, whenever I try to run programs (written in C) which are meant 
to automatically provide a visual output using gnuplot, no graph appears 
- they worked fine in a previous installation of Debian Sarge and also 
work ok in Solaris.  Also, whenever I type 'plot x' etc within gnuplot, 
no graph appears.  What could the possible reasons for this be?

Any help would be much appreciated.

Thanks,

Benjamin

[Gnuplot-info] graph "disappears" with column() in using spec

[Daniel G. <li...@da...>]

Hello,

plotting
plot 	"Pen10-M-$0.out" using 1:2 "LCE,%lf,77,500,%lf,%lf" title "0" with lines
works fine.

Plotting
plot 	"Pen10-M-$0.out" using 1:(column(2)) "LCE,%lf,77,500,%lf,%lf" title "0" with lines

should produce the same result but the curve does not show up. Autoscale works but no plot appears. So it is not possible for me to plot:
plot 	"Pen10-M-$0.out" using 1:(column(2)+column(3)) "LCE,%lf,77,500,%lf,%lf" title "0" with lines
but it should.

Did I miss something?

Regards,
Daniel.

P.S. using gplot 4.1

[Gnuplot-info] Connect points if with some are missing

[Nikolaus R. <Nik...@ra...>]

Hello,

My datafile looks like this:

----snip----
0       100     100     100     -       -
1       92      100     95      -       -
5       149     77      -       -       -
10      86      82      71      113     79
20      85      64      -       88      73
30      84      61      -       84      70
50      106     55      37      82      58
100     77      13      -       99      25
----snip----

Now I want to make a plot containing 5 graphs, one for each column. I
tried this with:

set datafile missing "-"
plot "plot1.csv" using 1:2 title "MTT" with lp, \
     "" using 1:3 title "OD" with lp,  \
     "" using 1:4 title "Cell Count" with lp, \
     "" using 1:5 title "MTT with catalase" with lp, \
     "" using 1:6 title "OD with catalase" with lp

but unfortunately the datapoints in the fourth column are not
connected, I suspect because of the missing ones in between. Is there
a way to get a continous graph?


And when I'm already asking: Is there some way to stretch the entire
plot so that the difference between 0 and 1 becomes more visible? I
tried logscale, but this doesn't work for x=0..

Thanks in advance,

   --Nikolaus

Re: [Gnuplot-info] get data then calculate and then plot

[<br...@ph...>]

fly away wrote:
> Hans-Bernhard Bröker wrote:

>> If what you're trying to do isn't something like
>>
>> 	plot 'data' using 1:($2-$3)
>>
>> then gnuplot can't do it (--> 'help using').

> Couldn't one just write a function and do
> f(x,y)=x-y
> plot 'file' u 1:(f($2,$3))? 

Of course one can.  That's well within the boundaries of "something like 
..."

[Gnuplot-info] supply golf tees from China

[Huang K. <hua...@ya...>]

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My Email: go...@sh...
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