gnuplot-info — For questions and discussion about gnuplot

Re: [Gnuplot-info] qt terminal hangs in gnuplot 5.0

[Ethan A M. <EAM...@gm...>]

On Wednesday, 04 February 2015 11:11:19 AM Elias Assmann wrote:
> Hi List,
> 
> I have successfully compiled gnuplot 5.0.0, and the ‘wxt’ and ‘x11’
> terminals work fine.  But when I try to plot something with the ‘qt’
> terminal, gnuplot complains
> 
>     gnuplot> p [-4:4] sin(x), [0:pi] cos(x)
>     Could not start gnuplot_qt with path 
> "/usr/local/libexec/gnuplot/5.0/gnuplot_qt"
>     Could not start gnuplot_qt with path 
> "/usr/local/libexec/gnuplot/5.0/gnuplot_qt"
>     Could not connect to gnuplot_qt "" . Starting a new one
>     Could not start gnuplot_qt with path 
> "/usr/local/libexec/gnuplot/5.0/gnuplot_qt"
> 
>     Warning: slow font initializationgnuplot>
> 
> This looks like the error that was reported on Cygwin
> <http://sourceforge.net/p/gnuplot/mailman/message/33209231/>, but I am
> on an Ubuntu system.  I see the same behavior whether I compile with
> Qt4 or Qt5.
> 
> Any pointers?

Is there in fact a gnuplot_qt executable in /usr/local/libexec/gnuplot/5.0/ ?


-- 

[Gnuplot-info] qt terminal hangs in gnuplot 5.0

[Elias A. <eli...@gm...>]

Hi List,

I have successfully compiled gnuplot 5.0.0, and the ‘wxt’ and ‘x11’
terminals work fine.  But when I try to plot something with the ‘qt’
terminal, gnuplot complains

    gnuplot> p [-4:4] sin(x), [0:pi] cos(x)
    Could not start gnuplot_qt with path 
"/usr/local/libexec/gnuplot/5.0/gnuplot_qt"
    Could not start gnuplot_qt with path 
"/usr/local/libexec/gnuplot/5.0/gnuplot_qt"
    Could not connect to gnuplot_qt "" . Starting a new one
    Could not start gnuplot_qt with path 
"/usr/local/libexec/gnuplot/5.0/gnuplot_qt"

    Warning: slow font initializationgnuplot>

This looks like the error that was reported on Cygwin
<http://sourceforge.net/p/gnuplot/mailman/message/33209231/>, but I am
on an Ubuntu system.  I see the same behavior whether I compile with
Qt4 or Qt5.

Any pointers?


	Elias

-- 
Elias Assmann
Institute of Solid State Physics
Vienna University of Technology
<http://www.ifp.tuwien.ac.at/cms/>

[Gnuplot-info] using hypertext labels with multiple datasets and a key/legend

[Kevin K. <kk...@gm...>]

I am trying to use Gnuplot 5's hypertext labels in conjunction with
multiple datasets on the same plot and am finding that when I add the
hypertext labels it removes the identifying color markings in my key.

The following works fine and produces a plot with a legend/key in the upper
right with a blue box next to v5 and a green box next to v6:

set term svg size 600,400 dynamic mousing name "test"
set output "test.svg"
plot "data_file.txt" using 1:2 title 'v5' w point pt 5 lc rgb 'blue',
"data_file.txt" using 4:5 title 'v6' w point pt 5 lc rgb 'green'

Now I want to recreate the same plot with some hypertext labels:

set term svg size 600,400 dynamic mousing name "test"
set output "test.svg"
plot "data_file.txt" using 1:2:3 title 'v5' w labels hypertext point pt 5
lc rgb 'blue', "data_file.txt" using 4:5:6 title 'v6' w labels hypertext
point pt 5 lc rgb 'green'

The plot is created and the hypertext labels appear when I mouse over the
data points, but my legend/key in the upper right no longer contains a blue
and green box next to the dataset titles.  It is just blank white where the
two separate color points should be.  Why is this happening?


Here are the contents of data_file.txt:

150            1                 x1   185            1                 x1
105            1                 x2   140            1                 x2
140            1                 x3   180            1                 x3

Re: [Gnuplot-info] using TTF fonts with SVG terminal

[Ethan M. <eam...@gm...>]

On Tue, Feb 3, 2015 at 11:06 AM, Kevin Klein <kk...@gm...> wrote:
> How do I use TTF fonts that I have downloaded in an output .svg file?  I
> was reading the svg help page here:
>
> http://gnuplot.sourceforge.net/docs_4.2/node421.html

That document is for gnuplot version 4.2, which is now at least 6 years
out of date.

> How do I correctly use true type fonts in an svg terminal?

So far as I know, that is not possible in any of the normal svg viewers.
The limitation is not on the gnuplot end, it is a matter of what the svg
viewing program can handle.

The current documentation (gnuplot versions 4.6 and 5.0) says:
%%%
  SVG allows you to embed fonts directly into an SVG document, or to
  provide a hypertext link to the desired font. The `fontfile` option
  specifies a local file which is copied into the <defs> section of the
  resulting SVG output file.  This file may either itself contain a font,
  or may contain the records necessary to create a hypertext reference to
  the desired font. Gnuplot will look for the requested file using the
  directory list in the GNUPLOT_FONTPATH environmental variable.
  NB: You must embed an svg font, not a TrueType or PostScript font.
%%%

[Gnuplot-info] using TTF fonts with SVG terminal

[Kevin K. <kk...@gm...>]

How do I use TTF fonts that I have downloaded in an output .svg file?  I
was reading the svg help page here:

http://gnuplot.sourceforge.net/docs_4.2/node421.html

and tried the following:

set term svg noenhanced fontfile '/user/kklein/.fonts/Monaco_Linux.ttf'
mouse size 1600,1200

but the resulting .svg file seems to be invalid.  If I try to open it
directly with firefox I receive the following error:

XML Parsing Error: not well-formed

The .svg file contains a lot of binary data that must be the font file but
the formatting is apparently incorrect.

How do I correctly use true type fonts in an svg terminal?

[Gnuplot-info] MS Office EPS filter bug?!

[cllin1212 <cll...@ya...>]

Hello,

While importing some .eps files into MS Office 2003, I have experienced a few
odd behaviour of its import filter (epsimg32.flt). For instance, the filter
places a dot at the end of each linewidth label when the output image of test
command without the enhanced mode enabled is imported. Some odd dots can also
be observed while importing the output image of the following commands:

set term postscript noenhanced ; set yrange [0:1]
plot for [i=0:47] 1/0 title sprintf("%i", i) with point pointype i

in which the unexpected dots appear periodically at the end of the labels
showing 0, 9, 18...  ; in fact, the labels followed by the LT0 procedure. When
the range of i is extended to 75 to include symbol 48-63, the import filter
even fails to open the .eps file. In addition, the filter is unable to do the
right- and centre-justify correctly while inserting the output of
enhanced-utf8.dem without setting enhanced
(http://gnuplot.sourceforge.net/demo/enhanced_utf8.html).

After tweaking the prologue, the problem of the unexpected dots can
seemingly be solved by appending "currentpoint moveto" to the ifelse operator
in the procedures of Lshow, Rshow and Cshow. The workaround for opening the
file containing symbol 48-63 is to add "0 0 moveto" to the end of "45 rotate"
in the procedures of D0-D15. For the case of right- and centre-justify, using
"currentpoint" and "moveto" to bracket the "6 array ... setmatrix" in the
Gwidth procedure seems to do the trick.

As being a gnuplot novice, I wonder if anyone has a similar experience in
this regard, and would be grateful if other bugs related to MS Office .eps
image filter are able to be shared.

Thanks!

Chia-Long

[Gnuplot-info] gnuplot 5 and aquaterm

[Gerard P. <Ger...@um...>]

Hi all,

I tried to install gnuplot 5 on my Mac (OS X Mavericks 10.9.5). It does not seem to find aquaterm (installed beforehand), while the installation of gnuplot 4.6 goes perfectly fine.


Any help would be welcome!

	- Gerard

Re: [Gnuplot-info] Possible to highlight selected points when using hypertext?

[Ethan A M. <EAM...@gm...>]

On Friday, 30 January 2015 10:14:01 PM Kevin Klein wrote:
> I was reading about gnuplot's hypertext feature here:
> 
> http://gnuplot.sourceforge.net/demo_svg/hypertext.html
> 
> Is it possible to have the data points highlighted when they are moused
> over, like in this plot using D3:
> 
> http://bl.ocks.org/Caged/6476579

It would be possible to do that, but it doesn't act that way currently.

> Also is it possible to create a pannable/zoomable graph in gnuplot that
> acts like this one using D3:
> 
> http://bl.ocks.org/stepheneb/1182434

Yes. The gnuplot interactive terminals do full pan/zoom, although the
mouse interface is a little different from your example.
The options for embedding in a web page are not quite as feature-full.

> In both cases I would want something created using gnuplot that could be
> embedded in a webpage, as in the two examples above.
> 
> I realize the above two examples are using D3, but if it is possible to
> replicate those effects in gnuplot?

See demos here based on using HTML5 2D canvas:
This output mode support zoom but not pan.
It also supports user-defined hot key operations,
but the demo does not exercise this.

http://gnuplot.sourceforge.net/demo_canvas_5.0/

	Ethan
	

[Gnuplot-info] Possible to highlight selected points when using hypertext?

[Kevin K. <kk...@gm...>]

I was reading about gnuplot's hypertext feature here:

http://gnuplot.sourceforge.net/demo_svg/hypertext.html

Is it possible to have the data points highlighted when they are moused
over, like in this plot using D3:

http://bl.ocks.org/Caged/6476579

Also is it possible to create a pannable/zoomable graph in gnuplot that
acts like this one using D3:

http://bl.ocks.org/stepheneb/1182434

In both cases I would want something created using gnuplot that could be
embedded in a webpage, as in the two examples above.

I realize the above two examples are using D3, but if it is possible to
replicate those effects in gnuplot?

Re: [Gnuplot-info] Integration of kdensity plots

[Ethan M. <eam...@gm...>]

On Fri, Jan 30, 2015 at 8:10 AM,  <lyn...@fr...> wrote:
>
> It   seems  approximate  integration  is  possible  with  gnuplot,  as  in  eg
> bivariat.dem. I'd like to use tha to get integrations of a kdensity plot  that
> is based on measurements.
> Fort  that,  is it possible to get the function that is behind a kdensity plot
> or would I have to construct it by hand for the given data? Or is it  possible
> to directly get the integral value of a specified interval?

The kdensity plot produced by gnuplot is a sum of Gaussians.
I.e. it is a plot of the first equation given on the Wikipedia page
for "kernel density estimation" where K(x) = φ(x) = normal density
function.

It sounds like the quantity you want is a trivial variant of that
which substitutes the cumulative normal distribution function norm(x)
for φ(x).  It is probably easier to calculate the sum directly from
the data than it is to program an approximate integration based on an
intermediate plot.

    Ethan

[Gnuplot-info] Making kdensity plots extent the over the whole xrange

[<lyn...@fr...>]

Hello!


It  seems  kdensity  plots  try  to  determin  a  proper  range over which the
accumulated gaussian distributions are plotted. Now  if  I  specify  a  custom
xrange  the  kdensity  plots  often  do  not  span the whole xrange, sometimes
ending just after a maximum. Is there a way to force gnuplot to plot over  the
whole xrange?

Thanks for any help.
Lynx

[Gnuplot-info] Integration of kdensity plots

[<lyn...@fr...>]

Hello!


It   seems  approximate  integration  is  possible  with  gnuplot,  as  in  eg
bivariat.dem. I'd like to use tha to get integrations of a kdensity plot  that
is based on measurements.
Fort  that,  is it possible to get the function that is behind a kdensity plot
or would I have to construct it by hand for the given data? Or is it  possible
to directly get the integral value of a specified interval?

Thanks for any help.
Lynx

[Gnuplot-info] [Slightly OT] Gnuplot in Action: Second Edition

[Philipp K. J. <ja...@ie...>]

Gnuplot 5 was released earlier this year.

I am taking this opportunity to update my 
book "Gnuplot in Action". The second edition
will be completely revised to reflect the
new features of Gnuplot 5, but it will also
include many other improvements and learnings
that have come up since the first edition.

A preview version of the first few chapters
is now available from the publisher:
	http://www.manning.com/janert2

This is a good time to make suggestions for the
new edition, and also to point out typos or errors 
in the first edition. Please email me directly, or 
post your comments to the book's forum:
	https://forums.manning.com/forums/gnuplot-in-action-second-edition

The final book is expected later this year.

Best,

		Ph.

Re: [Gnuplot-info] v5.0 regression

[David L. <da...@la...>]

On Sat, 10 Jan 2015, Ethan A Merritt wrote:

> On Friday, 09 January 2015 10:13:41 PM David Lang wrote:
>> On Fri, 9 Jan 2015, Ethan A Merritt wrote:
>>
>>> On Friday, 09 January 2015 02:14:27 PM David Lang wrote:
>>>> I ran into a case that worked with v4.x that doesn't work with v5, namely when
>>>> plotting points from a file where the x column is a timestamp and the file had
>>>> column headers, v4 seems to have ignored the header column (apparently deciding
>>>> that the timestamp was invalid and so throwing out the entire line), while v5
>>>> interprets the timestamp as 01-01-0000 and scaleing the entire plot to include
>>>> this date.
>>>
>>>> I just was surprised when the plot that was working on my production
>>>> system didn't work on my desktop (where I had installed 5.0). If this
>>>> wasn't something that worked on the older versions, I would just shrug
>>>> it off as "don't do that", but the fact that it broke a working config
>>>> made me post about it.
>>>
>>> Can you provide the first few lines from a data file that was handled
>>> differently by version 4 than by version 5?
>>
>> site_name|day|num_assets
>> AMS|2014-12-09|596
>>
>> where column 2 is the x axis with timefmt "%Y-%m-%d"
>>
>> stripping out the first line made it work in v5
>
> I can't reproduce this from the information given.

and I can't reproduce it today either :-(

If I run into it again, I'll send details.

David Lang

Re: [Gnuplot-info] v5.0 regression

[Ethan A M. <EAM...@gm...>]

On Friday, 09 January 2015 10:13:41 PM David Lang wrote:
> On Fri, 9 Jan 2015, Ethan A Merritt wrote:
> 
> > On Friday, 09 January 2015 02:14:27 PM David Lang wrote:
> >> I ran into a case that worked with v4.x that doesn't work with v5, namely when
> >> plotting points from a file where the x column is a timestamp and the file had
> >> column headers, v4 seems to have ignored the header column (apparently deciding
> >> that the timestamp was invalid and so throwing out the entire line), while v5
> >> interprets the timestamp as 01-01-0000 and scaleing the entire plot to include
> >> this date.
> >
> >> I just was surprised when the plot that was working on my production
> >> system didn't work on my desktop (where I had installed 5.0). If this
> >> wasn't something that worked on the older versions, I would just shrug
> >> it off as "don't do that", but the fact that it broke a working config
> >> made me post about it.
> >
> > Can you provide the first few lines from a data file that was handled
> > differently by version 4 than by version 5?
> 
> site_name|day|num_assets
> AMS|2014-12-09|596
> 
> where column 2 is the x axis with timefmt "%Y-%m-%d"
> 
> stripping out the first line made it work in v5

I can't reproduce this from the information given.
For me it works in both gnuplot 4.6.6 and gnuplot 5.0.0.

I used the following test script:

    set datafile sep '|'
    set xdata time
    set timefmt '%Y-%m-%d'
    plot 'timebug.dat' using 2:3:1 with labels

where 'timebug.dat' contained the two lines above.
Here is the v5 output with 'set term dumb'

  602 +-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+
      +     +    +     +     +     +     +    +     +    +     +     +     +
      |                                  'timebug.dat' using 2:3:1         |
  600 +-+                                                                +-+
      |                                                                    |
      |                                                                    |
  598 +-+                                                                +-+
      |                                                                    |
      |                                                                    |
  596 +-+                                AMS                             +-+
      |                                                                    |
      |                                                                    |
      |                                                                    |
  594 +-+                                                                +-+
      |                                                                    |
      |                                                                    |
  592 +-+                                                                +-+
      |                                                                    |
      +     +    +     +     +     +     +    +     +    +     +     +     +
  590 +-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+
  06/01/14/01/1401/14/01/14/01/14/01/14/01/1401/15/01/1501/15/01/15/01/15/01/15


                   Ethan

Re: [Gnuplot-info] v5.0 regression

[David L. <da...@la...>]

On Fri, 9 Jan 2015, Ethan A Merritt wrote:

> On Friday, 09 January 2015 02:14:27 PM David Lang wrote:
>> I ran into a case that worked with v4.x that doesn't work with v5, namely when
>> plotting points from a file where the x column is a timestamp and the file had
>> column headers, v4 seems to have ignored the header column (apparently deciding
>> that the timestamp was invalid and so throwing out the entire line), while v5
>> interprets the timestamp as 01-01-0000 and scaleing the entire plot to include
>> this date.
>
>> I just was surprised when the plot that was working on my production
>> system didn't work on my desktop (where I had installed 5.0). If this
>> wasn't something that worked on the older versions, I would just shrug
>> it off as "don't do that", but the fact that it broke a working config
>> made me post about it.
>
> Can you provide the first few lines from a data file that was handled
> differently by version 4 than by version 5?

site_name|day|num_assets
AMS|2014-12-09|596

where column 2 is the x axis with timefmt "%Y-%m-%d"

stripping out the first line made it work in v5

> It is true that the interpretation of timestamps has changed
> because version 5 uses a different epoch date, but a zero value should
> be legal in either version.  It's not clear to me why there
> would be a difference in recognizing a line as a header vs legal input.
>
> Also I don't actually see how you could get incorrect interpretation
> as 01-01-0000.  That's the epoch date for version 4 but not for version 5
> (01-01-1970).  Was that a typo?

it could be that I was looking on the wrong machine when I found that date. I 
wrapped the plot with table output to look and see what was wrong. valid dates 
went from 2014-12-09 to 2015-01-08 and on v4.4 (ubuntu 12.04) the produced plot 
was correct, but with the exact same files running on v5 the plot went from year 
-400 or so up to year 2400 or so (I can recreate this exactly on monday, 
including sending you the files)

looking at it now, it could be that I am seeing the wrong thing with the date, 
it could be that both of them were misinterpreting the date, but the old one saw 
the values were not numbers and didn't plot them while the new one converted the 
string to zero???? (wild speculation here until I can reproduce it at work 
monday)

David Lang

> 	Ethan
>

Re: [Gnuplot-info] v5.0 regression

[Ethan A M. <EAM...@gm...>]

On Friday, 09 January 2015 02:14:27 PM David Lang wrote:
> I ran into a case that worked with v4.x that doesn't work with v5, namely when 
> plotting points from a file where the x column is a timestamp and the file had 
> column headers, v4 seems to have ignored the header column (apparently deciding 
> that the timestamp was invalid and so throwing out the entire line), while v5 
> interprets the timestamp as 01-01-0000 and scaleing the entire plot to include 
> this date.

> I just was surprised when the plot that was working on my production
> system didn't work on my desktop (where I had installed 5.0). If this
> wasn't something that worked on the older versions, I would just shrug
> it off as "don't do that", but the fact that it broke a working config
> made me post about it.

Can you provide the first few lines from a data file that was handled
differently by version 4 than by version 5?

It is true that the interpretation of timestamps has changed
because version 5 uses a different epoch date, but a zero value should
be legal in either version.  It's not clear to me why there
would be a difference in recognizing a line as a header vs legal input.

Also I don't actually see how you could get incorrect interpretation
as 01-01-0000.  That's the epoch date for version 4 but not for version 5
(01-01-1970).  Was that a typo?

	Ethan

Re: [Gnuplot-info] v5.0 regression

[David L. <da...@la...>]

On Fri, 9 Jan 2015, Ethan A Merritt wrote:

> On Friday, 09 January 2015 02:14:27 PM David Lang wrote:
>> I ran into a case that worked with v4.x that doesn't work with v5, namely when
>> plotting points from a file where the x column is a timestamp and the file had
>> column headers, v4 seems to have ignored the header column (apparently deciding
>> that the timestamp was invalid and so throwing out the entire line), while v5
>> interprets the timestamp as 01-01-0000 and scaleing the entire plot to include
>> this date.
>
> There are a number of things you could do.
>
> 1) You could tell gnuplot that the first line contains column headers:
>
>    set key autotitle columnhead
>
> 2) You could tell it to skip the first line of the file
>
>    plot 'foo' skip 1 using ...
>
> 3) You could explicitly filter out 0 times from the input
>
>    plot 'foo' using ($1 == 0 ? NaN : timecol(1)): ...
>
> Possibly other alternatives as well.

In my case I changed the data fetching routine to filter out the column headers 
from the file.

I just was surprised when the plot that was working on my production system 
didn't work on my desktop (where I had installed 5.0). If this wasn't something 
that worked on the older versions, I would just shrug it off as "don't do that", 
but the fact that it broke a working config made me post about it.

David Lang

Re: [Gnuplot-info] v5.0 regression

[Ethan A M. <EAM...@gm...>]

On Friday, 09 January 2015 02:14:27 PM David Lang wrote:
> I ran into a case that worked with v4.x that doesn't work with v5, namely when 
> plotting points from a file where the x column is a timestamp and the file had 
> column headers, v4 seems to have ignored the header column (apparently deciding 
> that the timestamp was invalid and so throwing out the entire line), while v5 
> interprets the timestamp as 01-01-0000 and scaleing the entire plot to include 
> this date.

There are a number of things you could do.

1) You could tell gnuplot that the first line contains column headers:

    set key autotitle columnhead

2) You could tell it to skip the first line of the file

    plot 'foo' skip 1 using ...

3) You could explicitly filter out 0 times from the input

    plot 'foo' using ($1 == 0 ? NaN : timecol(1)): ...

Possibly other alternatives as well.


	Ethan 

[Gnuplot-info] v5.0 regression

[David L. <da...@la...>]

I ran into a case that worked with v4.x that doesn't work with v5, namely when 
plotting points from a file where the x column is a timestamp and the file had 
column headers, v4 seems to have ignored the header column (apparently deciding 
that the timestamp was invalid and so throwing out the entire line), while v5 
interprets the timestamp as 01-01-0000 and scaleing the entire plot to include 
this date.

David Lang

Re: [Gnuplot-info] plotting very big values

[BBands <bb...@gm...>]

if you want to see your data that way you can use the log10() function.

     John

On Thu, Jan 8, 2015 at 8:38 PM, Roshni Rajkumari
<raj...@gm...> wrote:
> Sir,,,
> i made the y axis as logscale with base 10..
>
> Hop      msg
>  1         11.00
> 2          37.00
> 3          101.00
> 4          257.00
> 5         643.00
> 6         1589.00
> 7         3935.00
> 8         9697.00
> 9         23997.00
> 10      59153.00
>
> set logscale y
> set  yrange  [1.00: 60000:00]
>
> M attaching my graph for the corresponding date too...but m not so sure for
> the data plots...i.e., it should give the plots for  log(11), log(37),
> log(101)....etc,,,,but...please help..

Re: [Gnuplot-info] plotting very big values

[BBands <bb...@gm...>]

Your choice.

gnuplot> help set logscale
 Syntax:
       set logscale <axes> {<base>}
       unset logscale <axes>
       show logscale

 where <axes> may be any combinations of `x`, `x2`, `y`, `y2`, `z`, `cb`, and
 `r` in any order.  <base> is the base of the log scaling (default is base 10).

John

On Thu, Jan 8, 2015 at 7:49 PM, Roshni Rajkumari
<raj...@gm...> wrote:
> is this logscale y in gnuplot in terms of log base 10???

Re: [Gnuplot-info] plotting very big values

[Roshni R. <raj...@gm...>]

is this logscale y in gnuplot in terms of log base 10???

On Wed, Dec 3, 2014 at 12:08 AM, BBands <bb...@gm...> wrote:

> I'd let gnuplot mind the ranges for you.
>
> set xrange [1:100]
> plot x*x
> pause -1
> set logscale y
> plot x*x
> pause -1
> unset logscale
> set xrange [1:101]
> plot x*x
> pause -1
> set logscale y
> plot x*x
>
> gnuplot will usually do a pretty nice job for you.
>
>       John
>
> On Fri, Nov 28, 2014 at 9:03 PM, Roshni Rajkumari
> <raj...@gm...> wrote:
> > Hop      msg
> >  1         8.00
> > 2          30.00
> > 3          94.00
> > 4          280.00
> > 5         822.00
> > 6         2400.00
> > 7         7000.00
> > 8         20398.00
> > 9         59454.00
> > 10      173226.00
> >
> >
> > how do i plot this....i mean wat do i put the range for 'msg'
>
>
> ------------------------------------------------------------------------------
> Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server
> from Actuate! Instantly Supercharge Your Business Reports and Dashboards
> with Interactivity, Sharing, Native Excel Exports, App Integration & more
> Get technology previously reserved for billion-dollar corporations, FREE
>
> http://pubads.g.doubleclick.net/gampad/clk?id=164703151&iu=/4140/ostg.clktrk
> _______________________________________________
> gnuplot-info mailing list
> gnu...@li...
> Membership management via:
> https://lists.sourceforge.net/lists/listinfo/gnuplot-info
>

Re: [Gnuplot-info] Call help with export script in Gnuplot 5.0

[Ethan M. <eam...@gm...>]

On Wed, Dec 17, 2014 at 12:09 PM, dbrant <bra...@ho...> wrote:
> Hi Gnuplotters
>
> For years i have used the following script taken from the Gnuplot In Action
> book to generate my graphs:
>
> save "$0.gp"    # Save commands to file
> set t push              # Save commands to file
> set t png $1    # Store current terminal settings
>                         # options from second argument
> set o "$0.png"  # Set output file name
> replot          # Generate plot
> set o                   # Restore output to interactive terminal
> set t pop               # Restore interactive terminal settings
>
> This could be invoked as:
>
> call 'export.gp' 'myplot' 'size 160,100'
>
> With the advent of Gnuplot 5.0 this no longer works due to changes in
> argument references from tokens $0 ... etc to string variables.
>
> Unfortunately i cannot get my head around it by way of examples i have seen.
>
> Could anyone please  re-work the script to take recent developments into
> account that i may understand use.
> Regards, Dave

script.gp:
~~~~~~
print "entering script ", ARG0
save ARG1 . ".gp"
set term push
set term png @ARG2
set output ARG1 . ".png"
replot
unset output
set term pop


I find the entire call mechanism ugly, however.  I'd be more likely to do

newplot = 'myplot'
newsize = '160,100'
load 'script.gp'

script.gp:
~~~~~~
save newplot . ".gp"
set term png size @newsize
set output newplot . ".png"
replot
unset output
unset term
~~~~~~

Re: [Gnuplot-info] Call help with export script in Gnuplot 5.0

[dbrant <bra...@ho...>]

For example using the previous script as export.gp, plotting sin(x) as
follows:

plot sin(x)
call 'export.gp' 'myplot'

produces no graphical output and only saves commands to file '$0.gp'
  
An error occurs with the $1 token in the set terminal line shown below

<http://gnuplot.10905.n7.nabble.com/file/n19163/example.png> 

Any ideas to improve on this would be gratefully appreciated

Dave



--
View this message in context: http://gnuplot.10905.n7.nabble.com/Call-help-with-export-script-in-Gnuplot-5-0-tp19162p19163.html
Sent from the Gnuplot - User mailing list archive at Nabble.com.