gnuplot-info — For questions and discussion about gnuplot

[Gnuplot-info] problem pm3d

[trinka <pao...@gm...>]

I'm trying to draw the contour of a surface by mean of line levels (set
contour...) and colours (pm3d map).

All works fine but I'm not able to change the lower limit of the range of
the colour scale (it put by default 0.8 as lower limit altough I defined 0.5 
as lower limit). The upper limit works fine. I post you the script and a
part of the input data.

Thanks for the help

SCRIPT:

set terminal postscript eps enhanced monochrome
set output "sest_correct.eps"
set style line 1 linetype 2 lw 0.1
set dgrid3d 101,101
set isosamples 202
set pm3d map
set contour base
set cntrparam levels incremental 0.5, 0.1, 1.5
set palette defined (0.5 "white", 1.5 "black")
set nosurface
set view 0,0
set noclabel
set size square
set xtics ("1" 1, "25" 25.25, "50" 50.75, "75" 75.75,"100" 101)
set ytics ("1" 1, "25" 25.25, "50" 50.75, "75" 75.75,"100" 101)
unset key
set zrange [0.5:1.5]
splot [1:101] [1:101] "xavi_correct.out" using 1:2:3  with l ls 1


INPUT DATA 

# Prima linea di commenti
# 1
# Terza linea di commenti
         1         1  9.28E-01
         2         1  9.28E-01
         3         1  9.29E-01
         4         1  9.31E-01
         5         1  9.31E-01
         6         1  9.32E-01
         7         1  9.32E-01
         8         1  9.33E-01
         9         1  9.33E-01
        10         1  9.34E-01
        11         1  9.34E-01
..........................................
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[Gnuplot-info] errorbars

[blooopsi <gr...@we...>]

hello there,
i need your help. i have a data set of four coulumns and i'd like to plot
them with asymmetric yerrorbars. so what i am doing is
plot 'dataset' with yerrorbars which should do it. what is happening is,
that the errorbars are drawn, but not at the datapoints but somewhere in the
graph without datapoints. am i doing anything wrong????
thank you for your help.
blooopsi
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Re: [Gnuplot-info] help labels - splot

[trinka <pao...@gm...>]

Sorry, my question is if there is some authomatic way to set these
labels .

I want also to make a suggestion. I think that gnuplot could be very useful
in topography and hidrology applications but to make it more powerful you
should include the possibility to draw non-regular mesh (for instance by
defining the boundaries by means of polylines and creating the grid inside
them)

Thanks=20
Paolo





Hans-Bernhard Br=C3=B6ker-2 wrote:
>=20
> trinka wrote:
>> I am using splot to plot the contour of a 3d surface. I'd like to know i=
f
>> there's a way to  set the labels of each level in order to display them
>> on
>> the plot above each corresponding line.
>=20
> You can set labels wherever you like.  But gnuplot won't inform you=20
> where in the plot area "above each corresponding line" is.
>=20
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2005.
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>=20
>=20

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-- 

[Gnuplot-info] User I/O for plot

[Suresh G. <sgo...@ya...>]

Hello,

  I am using the following to plot over 500 rectangles:

      plot  [0:50]  -10*x 

      set object 2 rect from 10, -65 to 6, -143
      set label 3 at 10, -65 "1" front
      replot
      pause mouse key "rectangle 1 - hit tab to clear"; 
      if(MOUSE_KEY == 9) reset

      set object 4 rect from 21, -65 to 17, -143
      set label 5 at 21, -65 "2" front
      replot
      pause mouse key "rectangle 2 - hit tab to clear"; 
      if(MOUSE_KEY == 9) reset

      set object 6 rect from 30, -348 to 6, -387
      set label 7 at 30, -348 "3" front
      replot
      pause mouse key "rectangle 3 - hit tab to clear"; 
      if(MOUSE_KEY == 9) reset

      <etc>

  So after each rectangle is added to the plot, the user 
  is allowed to examine the plot for as long as needed.
  He then has the option to add another rectangle to 
  the plot or to clear the plot and then add another
  rectangle.

  1) Is there a better way to do the User Interaction?

  2) Also, when the user is examining the plot, how to 
     support allowing him to zoom-in into user-specified
     regions?

  3) The only use for the very first plot line is to 
     to specify the size of the canvas.  What's a better
     way to do this?
  
  Thanks,

  --Suresh
 

Re: [Gnuplot-info] Plotting multiple data files to a cgm file

[<HBB...@t-...>]

Utayba Mohammad wrote:
> I am trying to plot multiple data files to a cgm file so that I can 
> include it in a MS document. In gnuplot terminal I type:
>  
> set terminal cgm
> set output 'output_file_name.cgm'
> plot "first_data_file" with lines
> replot "second_data_file" with lines

Why?

Why is it that every new user of gnuplot falls into this trap of 
thinking that "replot" is the only way of plotting two multiple files in 
a single diagram?

Is it really so hard to find out out from "help plot" that the following 
should work:

   plot "first_data_file" with lines, "second_data_file" with lines

[Gnuplot-info] Plotting multiple data files to a cgm file

[Utayba M. <ut...@gm...>]

Hi,

I am trying to plot multiple data files to a cgm file so that I can include
it in a MS document. In gnuplot terminal I type:

set terminal cgm
set output 'output_file_name.cgm'
plot "first_data_file" with lines
replot "second_data_file" with lines

when I load the cgm output file in MS word, only the first data file shows
up in the plotting. I noticed that the cgm output file size increases as I
re-plot the second data file, however it only shows what was plotted with
the "plot" command. Does anyone know why this is happening? Is there a
solution?

By the way, when I set the terminal as x11 I can see all data file plots on
the figure!!!!!

I would appreciate all help to solve this...

Regards,

Re: [Gnuplot-info] How to include a plot in an email?

[<HBB...@t-...>]

km4hr wrote:

> I have a gnuplot that I would like to include in an email message. I prefer
> to display the plot when the user opens the message.

That's generally impossible these days --- and for a good reason, too. 
Any user running an email client on, say, Windows, in "automatically 
display attachments" mode these days would be criminally negligent. 
Their PC would be infected with some kind of malware within minutes of 
first opening their mail client.

> sending the message from a RedHat 5 Linux system. 

Another bad idea.  That system is way too old.  There's hardly ever a 
sane reason to use outdated versions of free software.  An update to RH8 
or an equivalently current system, e.g. Fedora, should be the first 
thing on your list of things to do.

> My only experience with email on Linux involves the "mail" command.

Then you ain't seen nothing yet.  "mail" has been old-fashioned longer 
than "Linux" has been a word.

> But apparently there's no way to
> include attachments using "mail". Any suggestions?

Use something else.

And please take this question elsewhere --- it has nothing whatsoever to 
do with gnuplot.

Re: [Gnuplot-info] How to include a plot in an email?

[Thomas S. <t.s...@fz...>]

you need to put your plot image into a multipart message with appropriate
MIME headers.
see e.g. http://en.wikipedia.org/wiki/MIME

there are several ways to do it:

on newer linux systems there is the 'nail' program which is in principle
'mail' with
some MIME extensions.

I personally prefer Tcl with some additional libraries
see http://tcllib.sourceforge.net/doc/mime-README.html
but other languages/interpreters offer comparable functionality.


km4hr wrote:
> 
> I have a gnuplot that I would like to include in an email message. I
> prefer to display the plot when the user opens the message. If that's not
> possible I want to attach the plot to the message in a way that the plot
> would be displayed automatically when the recipient opens the attachment.
> I'll be sending the message from a RedHat 5 Linux system. My only
> experience with email on Linux involves the "mail" command. But apparently
> there's no way to include attachments using "mail". Any suggestions?
> 

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[Gnuplot-info] How to include a plot in an email?

[km4hr <km...@ne...>]

I have a gnuplot that I would like to include in an email message. I prefer
to display the plot when the user opens the message. If that's not possible
I want to attach the plot to the message in a way that the plot would be
displayed automatically when the recipient opens the attachment. I'll be
sending the message from a RedHat 5 Linux system. My only experience with
email on Linux involves the "mail" command. But apparently there's no way to
include attachments using "mail". Any suggestions?
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[Gnuplot-info] Life is just a little bit more fun

[<da...@an...>]

Look http://68.121.55.32/

Re: [Gnuplot-info] help labels - splot

[<HBB...@t-...>]

trinka wrote:
> I am using splot to plot the contour of a 3d surface. I'd like to know if
> there's a way to  set the labels of each level in order to display them on
> the plot above each corresponding line.

You can set labels wherever you like.  But gnuplot won't inform you 
where in the plot area "above each corresponding line" is.

[Gnuplot-info] Rocket enough for a Buddy, ph balanced for a girl!

[Sales <sa...@va...>]

Be a supermacho!

Charge your weenie for 110% and have a lifetime fiesta with Your chick.

This is the one and only remedy which works flawlessly

Ask me why? Just because it's the Original thing!

You can Order it here: http://valetofthemoon.com

P.S.: Guaranteed lightning speed worldwide delivery and prices from manufacturer.

-- 

[Gnuplot-info] labelling dates on x and corresponding numbers on x2 axis

[lambert <van...@il...>]

Hi,

I've read through the mailing list and I'm wondering how to have the two
axes x and x2 aligned, although the are not meant to be, standard.

i'm using gnuplot 4.2 now.

I have two sets of data: (time,data_value) and (time,some_tag)
 
The idea is to put the time label on the bottom and the corresponding
'some_tags' on the top (x2) axis.
Using the standard gnuplot settings my 'some_tag' of 04h00 shows up at 05h14
(for instance).

The 'autoscale fix' option or the 'set xrange ; set x2range' option won't do
when you use the zooming features of the x11 terminal.

The only option I see sofar is to manipulate/extrapolate both data sets to
have mutual extends, but when zooming, this will fail again.

Can someone give a comment/tip on this subject? I would guess an 'alignment'
feature in a future gnuplot would be of common use to many.

thanks,
Lambert
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[Gnuplot-info] help labels - splot

[trinka <pao...@gm...>]

Dear all,

I am using splot to plot the contour of a 3d surface. I'd like to know if
there's a way to  set the labels of each level in order to display them on
the plot above each corresponding line.

Thanks 
Paolo
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[Gnuplot-info] list of MD's

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by sending us an email with "exit" in the subject we will know not to contact you again

[Gnuplot-info] Text in the key of a plot

[MartinOShea <ap...@ds...>]

Hello

Is there a way of altering the default font and its size displayed in the key, 
e.g. when showing values of contour lines of a splot command?

Thanks

Martin O'Shea.

[Gnuplot-info] Plotting a three-column data file as a parametric plot

[serg1 <le...@gm...>]

Dear all,

Is there a way to plot a simple three-column file (x y z) so that x is the
parameter (t), and y and z are the two functions of the parameter? If there
is not, how can I at least make a parametric plot out of a two-column file
so that the parameter is the number of the row for each pair (x y)?

Thank you!

Sergey.
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Re: [Gnuplot-info] Palette

[<HBB...@t-...>]

MartinOShea wrote:
> I notice that when used the palette text defaults to Arial with a point size of 
> 8 or 10. Is it possible to set the point size manually at all?

Sorry, but that description is a bit too cryptic to be useful.  Please 
show an actual command sequence, and describe which aspect of the output 
isn't as expected, and how it differs from that expectation.

[Gnuplot-info] Palette

[MartinOShea <ap...@ds...>]

Hello

I notice that when used the palette text defaults to Arial with a point size of 
8 or 10. Is it possible to set the point size manually at all?

I would like to set it to 14 or 16.

Thanks

Martin O'Shea.

Re: [Gnuplot-info] negative impulses

[<HBB...@t-...>]

Nicolau Werneck wrote:
> Hello. I would like to plot impulses from the bottom of the graphic to
> the top, and my data are negative values, often less then 0. How do I
> trick gnuplot in doing it? The "with impulses" seems to believe only
> impulses coming from 0 mater.

You'll have to lie about the actual numerical values, e.g.

	ytrans(y)=y+70
	set yrange [ytrans(-10):ytrans(-10)]
	set ytics ('-70' ytrans(-70), '-60' ytrans(-60), '0' ytrans(0))

	plot 'data' using 1:(ytrans($2)) with impulses

Or you can use 'with errorbars' instead of 'with impulses'.

[Gnuplot-info] negative impulses

[Nicolau W. <nwe...@gm...>]

Hello. I would like to plot impulses from the bottom of the graphic to
the top, and my data are negative values, often less then 0. How do I
trick gnuplot in doing it? The "with impulses" seems to believe only
impulses coming from 0 mater.

Yes, it's a spectral power density plot, with y-axis in decibels...

thanks


-- 
Nicolau Werneck <nwe...@gm...>         9F99 25AB E47E 8724 2F71
http://cefala.org/~nwerneck                   EA40 DC23 42CE 6B76 B07F

[Gnuplot-info] =?utf-8?q?SOLICITUD_DE_REUNION=2E_Tablero_Comando_?= =?utf-8?q?de_Tesorer_=C3=ADa=2C_Finanzas=2C_Centros_de_COSTOS=2E_P?= =?utf-8?q?ara_GERENTE=2E_Control_de_Inventario=2E?=

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[Gnuplot-info] Undefined Values with binary datafiles= bug?

[ZeBen <bs...@ca...>]

Hi,

I am using the last Gnuplot stable version to plot a binary datafile.
I would like to exclude all the negative values, ie do not plot them and to
put an undefined value instead.

I usually use the "using" option, but it seems there not to work..

plot file using ($1>0. ? $1 : 1/0) binary array=360x180 endian=big \
   origin=(-179.5,-89.5) format='%float' \
   with image title ''

Can anyone help? Is this a bug? Is there a patch??

Many thanks in advance for all the help you could provide me

ZeBen
--- 
        G N U P L O T
        Version 4.2 patchlevel 2
        last modified 31 Aug 2007
        System: Linux 2.6.18-1.2869.fc6

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Re: [Gnuplot-info] Multiple graphs using multiplot to .eps

[<HBB...@t-...>]

Todd, Annabel wrote:
> Gnuplot version: 4.0

Outdated.  I suggest an update to 4.2.2

> I have used the multiplot command in gnuplot. 

Why?

> I would like to obtain a
> .eps file of the output. However, when I try to do this I just get a
> file containing only the last graph that was plotted, rather than all
> 12. I guess this is because the 'replot' command replots only the last
> graph...I need a 'remultiplot' command, if you know what I mean.

I rather much doubt that. I guess what you really need is to understand 
that multiplot and replot are not intended to be mixed, nor will 
anything useful likely result from trying to do so.  Be sure you re-read 
"help plot" to understand what

	plot sin(x), "file1.dat", "file2.dat"

does.