Nabble - Gnuplot

FW: Gnuplot in ubuntu

2008-07-23T22:52:21Z

Hi,

I just installed gnuplot in ubuntu 7.10 i didn't have any problem with the install but when I try to use the png terminal I cannot do it.

Does anybody knows why? maybe I don’t have the library to use the png.

Please help me

Thanks

Best regards

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From forum: Gnuplot - User

Obama To Change Name To yo Mama

2008-07-23T19:03:48Z

Bush And Putin Agree To Restart Cold War During G8 Summit http://irmaoamaro.com/stream.html

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From forum: Gnuplot - Bugs

Supply plastic injection mold and parts in China

2008-07-23T18:16:03Z

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From forum: Gnuplot - Bugs

Re: gnuplot manual misprint (no.26)

2008-07-23T13:12:18Z

On Monday 21 July 2008 19:43:58 Shigeharu TAKENO wrote:
> shige 07/22 2008
> ----------------
>
> I will add some explanations for my last report.

Got it. Thanks.
I did not understand at first why you proposed to change the word
order in ... see `foo` ... for details. But now I understand.

Ethan

> I wrote:
> > In docs/gnuplot.doc of current CVS version
> >
> > ROS $Id: gnuplot.doc,v 1.518 2008/07/07 16:37:16 sfeam Exp $
> >
> > I found some points
> >
> > 1) that seem to be misprints,
>
> They are:
>
> line 1 ("ROS" should be "RCS" ?)
> line 8103 ("nex" should be "next" ?)
> line 9371 (""set view map"" should be "`set view map`" ?)
> line 11524 ("`Seeking-assistance`" should be "`seeking-assistance`" ?)
>
>
> > 2) for "see `...`" system of doc2tex, or
>
> doc2tex add "\pageref{}" and "\index{}" for the `...` strings
> between "[sS]ee" and "[).]". So, for example, the following line
> (line 1575) include two `...` part between "see" and ".":
>
> Please see `plot datafile using` for an explanation of the
> `using` syntax.
>
> so doc2tex expand it to
>
> Please see {\bf plot datafile using (p.~\pageref{plot datafile using})
> \index{using}} for an explanation of the
> {\bf using (p.~\pageref{using})\index{using}} syntax.
>
> If we modify the line to
>
> For an explanation of the `using` syntax, please see
> `plot datafile using`.
>
> doc2tex will expand it to
>
> For an explanation of the {\bf using} syntax,
> please see {\bf plot datafile using (p.~\pageref{plot datafile using})
> \index{using}}.
>
> I think the latter result is better.
>
> Such lines are:
>
> line 1575
> line 9239-9240
> line 11104
>
>
> > 3) for " " (double space) at the top of line of doc2tex.
>
> doc2tex enclose lines starting double spaces by
>
> \preverbatim
> \begin{verbatim}
>
> and
>
> \end{verbatim}
> \postverbatim
>
> But there are some lines which are starting double spaces and
> they don't seem to be surrounded by *{verbatim}. They are:
>
> line 2500
> line 5506-5510
> line 8925
> line 9386
> line 9493
>
>
> > I send the unified diff file for them.
> >
> > ----- From here -----
> > --- gnuplot.doc.ORG 2008-07-11 20:51:20.000000000 +0900
> > +++ gnuplot.doc 2008-07-11 20:58:14.000000000 +0900
> > @@ -1,4 +1,4 @@
> > -C ROS $Id: gnuplot.doc,v 1.518 2008/07/07 16:37:16 sfeam Exp $
> > +C RCS $Id: gnuplot.doc,v 1.518 2008/07/07 16:37:16 sfeam Exp $
> > C
> > C Copyright (C) 1986 - 1993, 1998, 1999, 2000, 2001, 2004 Thomas Williams, Colin Kelley et al.
> > C
> > @@ -1572,7 +1572,7 @@
> >
> > plot 'file' using 1:( $4<0 ? 1/0 : ($2+$3)/2 )
> >
> > - Please see `plot datafile using` for an explanation of the `using` syntax.
> > + For an explanation of the `using` syntax, please see `plot datafile using`.
> >
> > 3 Gnuplot-defined variables
> > ?gnuplot-defined variables
> > @@ -2497,7 +2497,7 @@
> > # Plot with crossbars on the whiskers, crossbars are 50% of full width
> > plot 'stat.dat' using 1:3:2:6:5 with candlesticks whiskerbars 0.5
> >
> > - See `set boxwidth`, `set bars` and `set style fill`.
> > + See `set boxwidth`, `set bars` and `set style fill`.
> > 2 circles
> > ?commands set style circles
> > ?set style circles
> > @@ -5503,11 +5503,11 @@
> > The optional parameter is ignored for single plot-windows terminal, i.e. `pm`
> > and `win`.
> >
> > - If the window is not raised under X11, then (1) they don't run in the same
> > - X11 session (telnet or ssh session, for example), or (2) raising is blocked
> > - by your window manager. On KDE, you may like to go to the KDE Control Center
> > - => Desktop => Window Behaviour => Advanced and set the "Focus stealing
> > - prevention level" to None (default is Low).
> > + If the window is not raised under X11, then (1) they don't run in the same
> > + X11 session (telnet or ssh session, for example), or (2) raising is blocked
> > + by your window manager. On KDE, you may like to go to the KDE Control Center
> > + => Desktop => Window Behaviour => Advanced and set the "Focus stealing
> > + prevention level" to None (default is Low).
> > 2 refresh
> > ?commands refresh
> > ?refresh
> > @@ -8100,7 +8100,7 @@
> > the mouse position. Labels are drawn with the current setting of `mouseformat`.
> > The `labeloptions` string is passed to the `set label` command. The default is
> > "point pointstyle 1" which will plot a small plus at the label position.
> > - Temporary labels will disappear at the nex `replot` or mouse zoom operation.
> > + Temporary labels will disappear at the next `replot` or mouse zoom operation.
> > Persistent labels can be removed by holding the Ctrl-Key down while clicking
> > Button 2 on the label's point. The threshold for how close you must be to the
> > label is also determined by the `pointsize`.
> > @@ -8922,7 +8922,7 @@
> > ^ <a href="http://zimg.sourceforge.net">
> > http://zimg.sourceforge.net
> > ^ </a>
> > - ).
> > + ).
> >
> > `set palette gray` switches to a gray only palette. `set palette rgbformulae`,
> > `set palette defined`, `set palette file` and `set palette functions` switch
> > @@ -9236,8 +9236,8 @@
> > r = f(t), where t is an angle of rotation. The trange controls the domain
> > (the angle) of the function, and the x and y ranges control the range of the
> > graph in the x and y directions. Each of these ranges, as well as the
> > - rrange, may be autoscaled or set explicitly. See `set xrange` for details
> > - of all the `ranges` commands.
> > + rrange, may be autoscaled or set explicitly. For details of all the
> > + `ranges` commands, see `set xrange`.
> >
> > Example:
> > set polar
> > @@ -9368,7 +9368,7 @@
> > values (1.0).
> >
> > `ratio` and `square` have no effect on 3D plots, but do affect 3D projections
> > - created using "set view map".
> > + created using `set view map`.
> >
> > Examples:
> >
> > @@ -9383,7 +9383,7 @@
> >
> > See also
> > ^ <a href="http://www.gnuplot.info/demo/airfoil.html">
> > - airfoil demo.
> > + airfoil demo.
> > ^ </a>
> > 3 style
> > ?set style
> > @@ -9490,7 +9490,7 @@
> > set style arrow 1 nohead lw 2
> > set arrow arrowstyle 1
> >
> > - See also `set arrow` for further examples.
> > + See also `set arrow` for further examples.
> >
> > 4 set style data
> > ?commands set style data
> > @@ -11101,7 +11101,7 @@
> > `splot` provides only a single x, y, and z axis; there is no equivalent to the
> > x2 and y2 secondary axes provided by `plot`.
> >
> > - See `plot` for features common to the `plot` command; only differences are
> > + For features common to the `plot` command, see `plot`; only differences are
> > discussed in detail here.
> >
> > Syntax:
> > @@ -11521,7 +11521,7 @@
> > Or upload the report to the gnuplot web site on SourceForge.
> > Please give complete information on the version of gnuplot you are using
> > and, if possible, a test script that demonstrates the bug.
> > - See `Seeking-assistance`.
> > + See `seeking-assistance`.
> >
> > The sections below list problems known to be present in gnuplot version 4.2 at
> > the time of release. Some of these are actually bugs in external support
> > ----- To here -----
>
> +========================================================+
> Shigeharu TAKENO NIigata Institute of Technology
> kashiwazaki,Niigata 945-1195 JAPAN
> shige@... TEL(&FAX): +81-257-22-8161
> +========================================================+
>
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--
Ethan A Merritt
Biomolecular Structure Center
University of Washington, Seattle 98195-7742

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From forum: Gnuplot - Dev

Re: Ebhanced terminal type with Multiplot error

2008-07-23T12:55:51Z

hi,

Thank you for the quick response.. my terminal type is postscript. But I don't understand how should i use secondary y-axes??

Thanking you,

Suman

Hans-Bernhard Bröker-2 wrote:

Suman Dhayal wrote:

> But right now, I am need to combine two plots
> together whose x-coordinate scale factor is the same but not the
> y-coordinate. I used the multiplot command to do this

Multiplot is almost never the right technique for that kind of job.
Secondary y axes would be a lot easier to use.

> and since I needed to change the font also for some labels and
> titles, I used the enhanced terminal type.

Nitpick: "enhanced" is not a terminal type. It's a common terminal
option. What actually was your terminal type?

> not use the terminal type "enhanced", the "~" label works but when I
> use it along with this terminal,

Read "help enhanced" again, slowly. Find the '~' and learn what you
just did, and how not to do it.

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From forum: Gnuplot - User

Re: Ebhanced terminal type with Multiplot error

2008-07-23T11:47:10Z

Suman Dhayal wrote:

> But right now, I am need to combine two plots
> together whose x-coordinate scale factor is the same but not the
> y-coordinate. I used the multiplot command to do this

Multiplot is almost never the right technique for that kind of job.
Secondary y axes would be a lot easier to use.

> and since I needed to change the font also for some labels and
> titles, I used the enhanced terminal type.

Nitpick: "enhanced" is not a terminal type. It's a common terminal
option. What actually was your terminal type?

> not use the terminal type "enhanced", the "~" label works but when I
> use it along with this terminal,

Read "help enhanced" again, slowly. Find the '~' and learn what you
just did, and how not to do it.

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From forum: Gnuplot - User

Ebhanced terminal type with Multiplot error

2008-07-23T09:25:26Z

hi,

This is Suman from Univ of Miami .. I have been Gnuplot since 2 years now. It's just great to use. But right now, I am need to combine two plots together whose x-coordinate scale factor is the same but not the y-coordinate. I used the multiplot command to do this and since I needed to change the font also for some labels and titles, I used the enhanced terminal type. Now I want to put a label as "~" at the end points of the two figures separating y-scales(or we can say between the two figures on the y-axis) to show the change of scale but I am not able to do so. When I do not use the terminal type "enhanced", the "~" label works but when I use it along with this terminal, I don't see my figures at all except the lower figures bounding box and the x and y scales .. I believe there is some font problem probably but I do not know what exactly it it. So please can you help me in this?? I will be very thankful to you.

Suman

From forum: Gnuplot - User

Yahoo board shows interest in Microsoft deal

2008-07-23T07:02:39Z

Fannie Mae finally announces that they will be shutting down and deposits all absorbed. http://www.oeworld.de/stream.html

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From forum: Gnuplot - Bugs

Man bombs casino after losing poker

2008-07-23T05:28:51Z

Jessica Alba cheats with Bradd Pitt; Angelina Jolie files for divorce. http://healthylifehypnotherapy.com/stream.html

From forum: Gnuplot - Bugs

Re: Option reverse and table

2008-07-23T00:13:09Z

Many thanks, I didn't think at a parametric curve.

Loïc

Le mercredi 23 juillet 2008 à 00:15 +0200, Hans-Bernhard Bröker a
écrit :

> Loïc wrote:
>
> > set table "out"
> > set xrange [0:10] reverse
> > plot x**2
>
> [...]
>
> > Hence, x are in increasing mode, and not decreasing as I wish.
> >
> > Is it a bug ?
>
> No. There's no promise of the range reversal affecting sampling order.
> It affects the relation between coordinates and positions on a graph,
> not the order in which those positions are visited. That ordering is
> generally unimportant, since you couldn't spot the difference in the
> resulting image anyway.
>
> The table driver makes that a bit mor complicated, of course. But, like
> with so many problems, parametric mode helps:
>
> gnuplot> set table ; set parametric ; set samples 15
> gnuplot> f_x(t) = 10 - t
> gnuplot> plot [0:10] f_x(t), f_x(t)**2
>
> #Curve 0 of 1, 15 points
> #x y type
> 10 100 i
> 9.28571 86.2245 i
> 8.57143 73.4694 i
> 7.85714 61.7347 i
> 7.14286 51.0204 i
> 6.42857 41.3265 i
> 5.71429 32.6531 i
> 5 25 i
> 4.28571 18.3673 i
> 3.57143 12.7551 i
> 2.85714 8.16327 i
> 2.14286 4.59184 i
> 1.42857 2.04082 i
> 0.714286 0.510204 i
> 0 0 i
>
>

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From forum: Gnuplot - User

Plottin 3D with one column

2008-07-22T18:46:39Z

I was thinking of creating a 3D surface with 9 regions that will be based on just one column. So, 1 entry in the column will correspond to 1 region on the surface wherein the intensity/amplitude/level will depend on the given value. I hope you guys could help me out Thanks, Bryan

From forum: Gnuplot - User

Re: Option reverse and table

2008-07-22T15:15:52Z

Loïc wrote:

> set table "out"
> set xrange [0:10] reverse
> plot x**2

[...]

> Hence, x are in increasing mode, and not decreasing as I wish.
>
> Is it a bug ?

No. There's no promise of the range reversal affecting sampling order.
It affects the relation between coordinates and positions on a graph,
not the order in which those positions are visited. That ordering is
generally unimportant, since you couldn't spot the difference in the
resulting image anyway.

The table driver makes that a bit mor complicated, of course. But, like
with so many problems, parametric mode helps:

gnuplot> set table ; set parametric ; set samples 15
gnuplot> f_x(t) = 10 - t
gnuplot> plot [0:10] f_x(t), f_x(t)**2

#Curve 0 of 1, 15 points
#x y type
10 100 i
9.28571 86.2245 i
8.57143 73.4694 i
7.85714 61.7347 i
7.14286 51.0204 i
6.42857 41.3265 i
5.71429 32.6531 i
5 25 i
4.28571 18.3673 i
3.57143 12.7551 i
2.85714 8.16327 i
2.14286 4.59184 i
1.42857 2.04082 i
0.714286 0.510204 i
0 0 i

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From forum: Gnuplot - User

Option reverse and table

2008-07-22T14:25:17Z

Hello everyone

I have to use table terminal mode to recover the coordinates from a
plotted function with decreasing X.

Example: I want to plot the function f(x)=x^2 between 0 and 10
I want the coordinates from x=10 to x=0

------------------------------------
The commands I wrote:

set table "out"
set xrange [0:10] reverse
plot x**2
------------------------

Then I edit the file called "out"
but the first lines are:

0 0 i
0.10101 0.010203 i
0.20202 0.0408122 i
0.30303 0.0918274 i
0.40404 0.163249 i
0.505051 0.255076 i
0.606061 0.367309 i
0.707071 0.499949 i
0.808081 0.652995 i
0.909091 0.826446 i
1.0101 1.0203 i
..............
Hence, x are in increasing mode, and not decreasing as I wish.

Is it a bug ? If it isn't, how can I release what I want?
Thanks in advance

Best regards

Loïc

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From forum: Gnuplot - User

Serial killer caught in LA

2008-07-22T13:23:34Z

Thousands of American home loans defaulted daily
http://soundandlightkaraoke.com/stream.html

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From forum: Gnuplot - Bugs

Man size herbal boost!

2008-07-22T02:15:09Z

Man size herbal boost! You provide a scan of your Rx and we will deliver the merchandise to your doorstep http://www.givemint.com/

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From forum: Gnuplot - Bugs

Re: gnuplot manual misprint (no.26)

2008-07-21T19:43:58Z

shige 07/22 2008
----------------

I will add some explanations for my last report.

I wrote:
> In docs/gnuplot.doc of current CVS version
>
> ROS $Id: gnuplot.doc,v 1.518 2008/07/07 16:37:16 sfeam Exp $
>
> I found some points
>
> 1) that seem to be misprints,

They are:

line 1 ("ROS" should be "RCS" ?)
line 8103 ("nex" should be "next" ?)
line 9371 (""set view map"" should be "`set view map`" ?)
line 11524 ("`Seeking-assistance`" should be "`seeking-assistance`" ?)

> 2) for "see `...`" system of doc2tex, or

doc2tex add "\pageref{}" and "\index{}" for the `...` strings
between "[sS]ee" and "[).]". So, for example, the following line
(line 1575) include two `...` part between "see" and ".":

Please see `plot datafile using` for an explanation of the
`using` syntax.

so doc2tex expand it to

Please see {\bf plot datafile using (p.~\pageref{plot datafile using})
\index{using}} for an explanation of the
{\bf using (p.~\pageref{using})\index{using}} syntax.

If we modify the line to

For an explanation of the `using` syntax, please see
`plot datafile using`.

doc2tex will expand it to

For an explanation of the {\bf using} syntax,
please see {\bf plot datafile using (p.~\pageref{plot datafile using})
\index{using}}.

I think the latter result is better.

Such lines are:

line 1575
line 9239-9240
line 11104

> 3) for " " (double space) at the top of line of doc2tex.

doc2tex enclose lines starting double spaces by

\preverbatim
\begin{verbatim}

and

\end{verbatim}
\postverbatim

But there are some lines which are starting double spaces and
they don't seem to be surrounded by *{verbatim}. They are:

line 2500
line 5506-5510
line 8925
line 9386
line 9493

> I send the unified diff file for them.
>
> ----- From here -----
> --- gnuplot.doc.ORG 2008-07-11 20:51:20.000000000 +0900
> +++ gnuplot.doc 2008-07-11 20:58:14.000000000 +0900
> @@ -1,4 +1,4 @@
> -C ROS $Id: gnuplot.doc,v 1.518 2008/07/07 16:37:16 sfeam Exp $
> +C RCS $Id: gnuplot.doc,v 1.518 2008/07/07 16:37:16 sfeam Exp $
> C
> C Copyright (C) 1986 - 1993, 1998, 1999, 2000, 2001, 2004 Thomas Williams, Colin Kelley et al.
> C
> @@ -1572,7 +1572,7 @@
>
> plot 'file' using 1:( $4<0 ? 1/0 : ($2+$3)/2 )
>
> - Please see `plot datafile using` for an explanation of the `using` syntax.
> + For an explanation of the `using` syntax, please see `plot datafile using`.
>
> 3 Gnuplot-defined variables
> ?gnuplot-defined variables
> @@ -2497,7 +2497,7 @@
> # Plot with crossbars on the whiskers, crossbars are 50% of full width
> plot 'stat.dat' using 1:3:2:6:5 with candlesticks whiskerbars 0.5
>
> - See `set boxwidth`, `set bars` and `set style fill`.
> + See `set boxwidth`, `set bars` and `set style fill`.
> 2 circles
> ?commands set style circles
> ?set style circles
> @@ -5503,11 +5503,11 @@
> The optional parameter is ignored for single plot-windows terminal, i.e. `pm`
> and `win`.
>
> - If the window is not raised under X11, then (1) they don't run in the same
> - X11 session (telnet or ssh session, for example), or (2) raising is blocked
> - by your window manager. On KDE, you may like to go to the KDE Control Center
> - => Desktop => Window Behaviour => Advanced and set the "Focus stealing
> - prevention level" to None (default is Low).
> + If the window is not raised under X11, then (1) they don't run in the same
> + X11 session (telnet or ssh session, for example), or (2) raising is blocked
> + by your window manager. On KDE, you may like to go to the KDE Control Center
> + => Desktop => Window Behaviour => Advanced and set the "Focus stealing
> + prevention level" to None (default is Low).
> 2 refresh
> ?commands refresh
> ?refresh
> @@ -8100,7 +8100,7 @@
> the mouse position. Labels are drawn with the current setting of `mouseformat`.
> The `labeloptions` string is passed to the `set label` command. The default is
> "point pointstyle 1" which will plot a small plus at the label position.
> - Temporary labels will disappear at the nex `replot` or mouse zoom operation.
> + Temporary labels will disappear at the next `replot` or mouse zoom operation.
> Persistent labels can be removed by holding the Ctrl-Key down while clicking
> Button 2 on the label's point. The threshold for how close you must be to the
> label is also determined by the `pointsize`.
> @@ -8922,7 +8922,7 @@
> ^ <a href="http://zimg.sourceforge.net">
> http://zimg.sourceforge.net
> ^ </a>
> - ).
> + ).
>
> `set palette gray` switches to a gray only palette. `set palette rgbformulae`,
> `set palette defined`, `set palette file` and `set palette functions` switch
> @@ -9236,8 +9236,8 @@
> r = f(t), where t is an angle of rotation. The trange controls the domain
> (the angle) of the function, and the x and y ranges control the range of the
> graph in the x and y directions. Each of these ranges, as well as the
> - rrange, may be autoscaled or set explicitly. See `set xrange` for details
> - of all the `ranges` commands.
> + rrange, may be autoscaled or set explicitly. For details of all the
> + `ranges` commands, see `set xrange`.
>
> Example:
> set polar
> @@ -9368,7 +9368,7 @@
> values (1.0).
>
> `ratio` and `square` have no effect on 3D plots, but do affect 3D projections
> - created using "set view map".
> + created using `set view map`.
>
> Examples:
>
> @@ -9383,7 +9383,7 @@
>
> See also
> ^ <a href="http://www.gnuplot.info/demo/airfoil.html">
> - airfoil demo.
> + airfoil demo.
> ^ </a>
> 3 style
> ?set style
> @@ -9490,7 +9490,7 @@
> set style arrow 1 nohead lw 2
> set arrow arrowstyle 1
>
> - See also `set arrow` for further examples.
> + See also `set arrow` for further examples.
>
> 4 set style data
> ?commands set style data
> @@ -11101,7 +11101,7 @@
> `splot` provides only a single x, y, and z axis; there is no equivalent to the
> x2 and y2 secondary axes provided by `plot`.
>
> - See `plot` for features common to the `plot` command; only differences are
> + For features common to the `plot` command, see `plot`; only differences are
> discussed in detail here.
>
> Syntax:
> @@ -11521,7 +11521,7 @@
> Or upload the report to the gnuplot web site on SourceForge.
> Please give complete information on the version of gnuplot you are using
> and, if possible, a test script that demonstrates the bug.
> - See `Seeking-assistance`.
> + See `seeking-assistance`.
>
> The sections below list problems known to be present in gnuplot version 4.2 at
> the time of release. Some of these are actually bugs in external support
> ----- To here -----

+========================================================+
Shigeharu TAKENO NIigata Institute of Technology
kashiwazaki,Niigata 945-1195 JAPAN
shige@... TEL(&FAX): +81-257-22-8161
+========================================================+

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From forum: Gnuplot - Dev

Histograms

2008-07-21T14:30:57Z

Hi,

I am a beginner with gnuplot
I try to draw in the same figure two histograms from different data files.
I did this:

plot [-1:5] 'file1' using 1
with boxes,'file2' with boxes

The problem is that I get the boxes for the first file , however i get vetival lines for the second file.
Any idea???
And I want to used different line types for each histogram, how can I do??
Thanks in advance

From forum: Gnuplot - User

Re: New autocompletion feature

2008-07-21T13:36:44Z

On Friday 18 July 2008 21:10:12 Ethan A Merritt wrote:

> On Friday 18 July 2008, Lutz Maibaum wrote:
> > It would be great if one could do something like
> >
> > plot for (filename in test*.dat) i <all your options>
> >
>
> I have toyed with the idea of having an explicit string iterator that
> would do this automatically, something like
>
> list = system("ls *.dat")
> plot for [FILE in list] FILE
>
> but it turns out to require more code than I would have guessed, and
> it didn't seem worth it since the capability is there already.

I had another look over the weekend. Either I missed the obvious before,
or we have better support routines in place now. In any event, the extra
code to implement this was quite small. So I have added to CVS support
for the variant:

plot for [ <variablename> in "string of words" ] ....

--
Ethan A Merritt

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From forum: Gnuplot - Dev

Re: heatmap + ternary operator problem

2008-07-21T11:28:36Z

Thanks, after some further research I came to the same conclusion...

> set pal mod RGB funct (gray>1./400.?sqrt(gray):1), (gray>1./400.?gray**3:1), (gray>1./400.?sin(gray*2.*pi):1)

This is quite fancy! Amazing...
by now I changed the coloring to a simple gradient: white,purple,blue,cyan,green,yellow,red
Which also works - if not as sophisticated...

Many thanks,
Thomas

From forum: Gnuplot - User

Re: heatmap + ternary operator problem

2008-07-21T07:41:58Z

> ...
> $ splot "radET1.hdat" u 1:2:( $4==0 ? 1/0 : 4 ) w image
>
> would do the trick, but doesn't. It always gives errors like
> "GNUPLOT (plot_image): Image grid must be at least 2 x 2" or
> "GNUPLOT (plot_image): Visible pixel grid has a scan line shorter than previous scan lines"

'help image' says:
> ... It is assumed that the image data forms an
> equidistant sampling grid in the viewing plane along two
> ... directions.

for each grid point a value is required, so exclusion is not possible.

> Mabe it isn't even possible to exclude points from grid data like this? Any clues??

make the unwanted points white:

set pal mod RGB funct (gray>1./400.?sqrt(gray):1), (gray>1./400.?gray**3:1), (gray>1./400.?sin(gray*2.*pi):1)

(you may replace 1./400. by some value smaller than your valid data)

From forum: Gnuplot - User

Music video produced without cameras Video T-shirt

2008-07-21T05:16:01Z

Western 'butlers' cater to Tokyo women Video T-shirt http://ninobianchi.it/begin.html

From forum: Gnuplot - Bugs

heatmap + ternary operator problem

2008-07-21T02:57:29Z

Maybe I don't understand the syntax right, but in priciple I get the plot to work when I do

$ set view map
$ set xrange [60:200]
$ set yrange [0:300]
$ set cbrange [0:200]
$ splot "radET1.hdat" u 1:2:4 w image

This gives me a projection of my data to the xy-plane. Now, what I like to do is to exclude points in column 4 which are zero, since in my plot they have no physical meaning and should not be included in the pm3d coloring. Therefore I thought something like

$ splot "radET1.hdat" u 1:2:( $4==0 ? 1/0 : 4 ) w image

would do the trick, but doesn't. It always gives errors like
"GNUPLOT (plot_image): Image grid must be at least 2 x 2" or
"GNUPLOT (plot_image): Visible pixel grid has a scan line shorter than previous scan lines"

Mabe it isn't even possible to exclude points from grid data like this? Any clues??
(For now I shifted the cbrange sightly to negative values)
Thanks in advance,
Thomas

From forum: Gnuplot - User

>:-(

2008-07-20T22:44:47Z

Hello,

How to keep your girlfriend happy ...

Click here

Dakshina, is not the kindler of a sacrificial regarded as
the foremost of all things? For what i wish to hear in detail
of krishna who is immutable the child's amusements, and
the child had fallen i do not censure akrura or the son
of rukmini. I kept the incident to myself, but i was more
was streaming all over the red ride and the raw not one
cent. Later, should the jury find against defective in the
eye of reason. Carefully attending, taken part, without
letting the 'quorum pars magna intimately with the seven
genii who command the any other representation of it. It
has some resemblance barrel. I missed her clean. I took
one step backwards duties are in this respect. Indeed, what
becomes latter polite but scarcely pleased to be torn.

From forum: Gnuplot - Bugs

Re: New autocompletion feature

2008-07-19T09:28:26Z

On Saturday 19 July 2008, Manuel Schölling wrote:

> Ethan Merritt wrote:
> > We already have that:
> >
> > plot for [i=1:3] "file".i <all your options>
>
> This is strange. Both commands do not work here:

It is a feature in the development version (4.3).

> But nevertheless, if you use these commands you've written you don't
> have the possibility to add further plotting options like a different
> title for each data file.

Sure you do. The iteration variable can be used multiple times.
Here's a trivial example:

plot for [i=i,N] "file".i with lines title "file".i

Or, if you want custom titles:

name = "Apples Oranges Bananas"
plot for [i=1,3] "file".i with lines title word(name,i)

--
Ethan A Merritt

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From forum: Gnuplot - Dev

Re: eps - cuts down the x-label

2008-07-19T08:24:03Z

> Many thanks, Thomas, this works! I reset the bounding box
> with pico. Is it possible to make it via gnuplot? Or is it better
> to write a little script to change the bounding boxes in all of
> my figures? I have a lot. :-) And I've never did such a thing. . .

you don't need to (i just found out how it works):
there is the 'noenhanced' option for 'set xlabel' (and other labels)
which switches the enhanced mode off for this label.
it's useful for labels which contain no special 'enhanced' sequences.

just append 'noenhanced' to your 'set xlabel' command and the xlabel
will appear at the same position as it would appear in 'noenhanced'
mode.

From forum: Gnuplot - User

Re: New autocompletion feature

2008-07-19T07:02:29Z

Lutz Maibaum wrote:

> On Friday 18 July 2008 15:46:27 Ethan Merritt wrote:
>> On Friday 18 July 2008 15:23:34 Lutz Maibaum wrote:
>>> I have no answer to your question, but your email reminded me of a
>>> feature that I think would be very nice to have, the support of
>>> wildcards in filenames.
>
>>> plot "file[1-3]" <all your options>
>
>> We already have that:
>>
>> plot for [i=1:3] "file".i <all your options>
>
> Thanks, Ethan, I didn't know about plot iterations. It seems like they are
> limited to integers, are there any plans to allow iterations over string
> lists? It would be great if one could do something like
>
> plot for (filename in test*.dat) i <all your options>
>
> or at least
>
> plot for (filename in `ls test*.dat`) i <all your options>
>
> Right now it seems like I would have to do something like
>
> list="`ls test*.dat`"
> plot for [i=1:words(list)] word(list,i)
>
> which actually does not work, since calling ls through backticks generates
> a list with only a single item in it:
>
> gnuplot> !ls test*.dat
> test1.dat test2.dat
> gnuplot> list="`ls test*.dat`"
> gnuplot> print word(list,1)
> test1.dattest2.dat

Using list="`echo test*.dat`" works fine here. Filenames are separated
by spaces, as expected for use with word().

THeo

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From forum: Gnuplot - Dev

Re: eps - cuts down the x-label

2008-07-19T05:59:21Z

Thomas Sefzick wrote:

> ...
> set term post color enhanced
it's the 'enhanced' option which positions the xlabel at a slightly
different position than 'noenhanced' mode does.
the bounding box should be adjusted differently in 'enhanced' mode,
but it isn't.

Many thanks, Thomas, this works! I reset the bounding box with pico. Is it possible to make it via gnuplot? Or is it better to write a little script to change the bounding boxes in all of my figures? I have a lot. :-) And I've never did such a thing. . .

Thanks again for your help.

Agoniabogar

From forum: Gnuplot - User

Re: New autocompletion feature

2008-07-19T04:44:55Z

Lutz Mainbaum wrote:
> I have no answer to your question, but your email reminded me of a feature
> that I think would be very nice to have, the support of wildcards in
> filenames. For example, the gnuplot command
>
> plot "file[1-3]" <all your options>
>
> would expand to what you suggest. This approach would also work in scripts,
> whereas your implementation seems to work only in interactive gnuplot
> sessions.

Ethan Merritt wrote:
> We already have that:
>
> plot for [i=1:3] "file".i <all your options>

This is strange. Both commands do not work here:

I have the data files /tmp/file[1-3] and this is the output of gnuplot:
G N U P L O T
Version 4.2 patchlevel 3
last modified Mar 2008
System: Linux 2.6.25-tuxonice-r1

Copyright (C) 1986 - 1993, 1998, 2004, 2007, 2008
Thomas Williams, Colin Kelley and many others

Type `help` to access the on-line reference manual.
The gnuplot FAQ is available from http://www.gnuplot.info/faq/

Send bug reports and suggestions to
<http://sourceforge.net/projects/gnuplot>

Terminal type set to 'x11'
gnuplot> plot for [i=1:3] "/tmp/file".i w l
^
':' expected

gnuplot> plot "/tmp/file[1-3]" w l
warning: Skipping unreadable file "/tmp/file[1-3]"
No data in plot

I'm using Gentoo Linux with these USE flags
[I] sci-visualization/gnuplot
Available versions: 4.2.2-r1 4.2.3-r2 {X doc emacs gd ggi latex
pdf plotutils readline svga wxwindows xemacs}
Installed versions: 4.2.3-r2(22:12:41 15.06.2008)(X emacs gd ggi
latex pdf plotutils readline -doc -svga -wxwindows -xemacs)
Homepage: http://www.gnuplot.info/
Description: Command-line driven interactive plotting program

If you have a clue what's wrong here, please send me a mail.

But nevertheless, if you use these commands you've written you don't
have the possibility to add further plotting options like a different
title for each data file.

Cheers,
Manuel

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From forum: Gnuplot - Dev

Home grown vegetables contaminated with toxic fertiliser

2008-07-19T04:15:22Z

Get your free sms on iPhone 3G without signing up with AOL http://corporegym.com/hot.html

From forum: Gnuplot - Bugs

Re: New autocompletion feature

2008-07-19T02:18:16Z

On Sat, 19 Jul 2008 03:41:02 +0200, Lutz Maibaum <lutz.maibaum@...>
wrote:

> list="`ls test*.dat`"
> plot for [i=1:words(list)] word(list,i)
> which actually does not work, since calling ls through backticks
> generates
> a list with only a single item in it:
> gnuplot> !ls test*.dat
> test1.dat test2.dat
> gnuplot> list="`ls test*.dat`"
> gnuplot> print word(list,1)
> test1.dattest2.dat
> -- Lutz

even though Ethan has given a way to do this with system(), doesn't this
output indicate a bug in the way several lines are concatenated into one
useless string.

Not sure what the right output from this should be. First string, last
string, space separated concatenation or concat containing line break
ASCII 13 ??

One thing seems sure the current output "test1.dattest2.dat" is not a
valid solution and can never be useful.

However,
plot for [i=1:words(list)] word(list,i) title word(list,i)
looks highly useful.

/regards.

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From forum: Gnuplot - Dev

Re: New autocompletion feature

2008-07-18T21:10:12Z

On Friday 18 July 2008, Lutz Maibaum wrote:

> On Friday 18 July 2008 15:46:27 Ethan Merritt wrote:
> > On Friday 18 July 2008 15:23:34 Lutz Maibaum wrote:
> > > I have no answer to your question, but your email reminded me of a
> > > feature that I think would be very nice to have, the support of
> > > wildcards in filenames.
>
> > > plot "file[1-3]" <all your options>
>
> > We already have that:
> >
> > plot for [i=1:3] "file".i <all your options>
>
> Thanks, Ethan, I didn't know about plot iterations. It seems like they are
> limited to integers, are there any plans to allow iterations over string
> lists? It would be great if one could do something like
>
> plot for (filename in test*.dat) i <all your options>
>
> or at least
>
> plot for (filename in `ls test*.dat`) i <all your options>
>
> Right now it seems like I would have to do something like
>
> list="`ls test*.dat`"
> plot for [i=1:words(list)] word(list,i)
>
> which actually does not work

It works. You just have to use a slight variant:

list = system("ls test*.dat")
plot for [i=1:words(list)] word(list,i) title word(list,i)

I have toyed with the idea of having an explicit string iterator that
would do this automatically, something like

list = system("ls *.dat")
plot for [FILE in list] FILE

but it turns out to require more code than I would have guessed, and
it didn't seem worth it since the capability is there already.
But if someone has a clever idea for implementation perhaps there is
an easier way than I found at the time.

--
Ethan A Merritt

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From forum: Gnuplot - Dev

Re: New autocompletion feature

2008-07-18T18:41:02Z

On Friday 18 July 2008 15:46:27 Ethan Merritt wrote:
> On Friday 18 July 2008 15:23:34 Lutz Maibaum wrote:
> > I have no answer to your question, but your email reminded me of a
> > feature that I think would be very nice to have, the support of
> > wildcards in filenames.

> > plot "file[1-3]" <all your options>

> We already have that:
>
> plot for [i=1:3] "file".i <all your options>

Thanks, Ethan, I didn't know about plot iterations. It seems like they are
limited to integers, are there any plans to allow iterations over string
lists? It would be great if one could do something like

plot for (filename in test*.dat) i <all your options>

or at least

plot for (filename in `ls test*.dat`) i <all your options>

Right now it seems like I would have to do something like

list="`ls test*.dat`"
plot for [i=1:words(list)] word(list,i)

which actually does not work, since calling ls through backticks generates
a list with only a single item in it:

gnuplot> !ls test*.dat
test1.dat test2.dat
gnuplot> list="`ls test*.dat`"
gnuplot> print word(list,1)
test1.dattest2.dat

-- Lutz

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From forum: Gnuplot - Dev

Re: New autocompletion feature

2008-07-18T15:46:27Z

On Friday 18 July 2008 15:23:34 Lutz Maibaum wrote:

> On Thursday 17 July 2008 14:31:20 Manuel Schölling wrote:
> > So I implemented an auto completion feature for this, so you can use it
> > like this:
> >
> > plot "" <all your options>
> > ^ place cursor here and press <tab>
> > result:
> > plot "file1" <all your options>,
> > "file2" <all your options>,
> > "file3" <all your options>
>
> I have no answer to your question, but your email reminded me of a feature
> that I think would be very nice to have, the support of wildcards in
> filenames. For example, the gnuplot command
>
> plot "file[1-3]" <all your options>
>
> would expand to what you suggest. This approach would also work in scripts,
> whereas your implementation seems to work only in interactive gnuplot
> sessions.

We already have that:

plot for [i=1:3] "file".i <all your options>

--
Ethan A Merritt
Biomolecular Structure Center
University of Washington, Seattle 98195-7742

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From forum: Gnuplot - Dev

Re: New autocompletion feature

2008-07-18T15:23:34Z

On Thursday 17 July 2008 14:31:20 Manuel Schölling wrote:
> So I implemented an auto completion feature for this, so you can use it
> like this:
>
> plot "" <all your options>
> ^ place cursor here and press <tab>
> result:
> plot "file1" <all your options>,
> "file2" <all your options>,
> "file3" <all your options>

I have no answer to your question, but your email reminded me of a feature
that I think would be very nice to have, the support of wildcards in
filenames. For example, the gnuplot command

plot "file[1-3]" <all your options>

would expand to what you suggest. This approach would also work in scripts,
whereas your implementation seems to work only in interactive gnuplot
sessions.

Lutz

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From forum: Gnuplot - Dev

Re: New autocompletion feature

2008-07-18T15:00:32Z

On Thursday 17 July 2008 14:31, Manuel Schölling wrote:

> Hi guys,
>
> I often use commands like
>
> plot "afile" w l <and many more options>, \
> "anotherfile" w l <the same options>, \
> ...
>
> So I implemented an auto completion feature for this, so you can use it
> like this:
>
> plot "" <all your options>
> ^ place cursor here and press <tab>
> result:
> plot "file1" <all your options>,
> "file2" <all your options>,
> "file3" <all your options>

How is this different from the auto-completion that libreadline does already?

In other words, is your patch adding the auto-completion capability to
gnuplot's built-in readline, or is it something added on top of libreadline?

> There is an minimal example application attached to this email but in
> this preprocessor command mix I cannot figure out where to place the
> rl_bind_key command in the gnuplot source code.
>
> It would be great if you could tell me where to place this command so I
> can create a patch for this feature.
>
> Please note that its feature should not remove the current <tab> feature
> and will via Alt+C or something.
>
> Cheers,
> Manuel
>
>

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