gnuplot-info — For questions and discussion about gnuplot

[Gnuplot-info] Clash with timefmt and "call"?

[Eoin <eoi...@gm...>]

Hi all,

I have a frustrating bug where I can successfully set the following:

set xdata time
set timefmt "%Y/%m/%d"

plot "some stuff" u 1:2

say.

This works correctly. I then change the plot command to the following

plot "some stuff" u 1:($$2/$$3)

(I am using the "call" feature, i.e. -c argument to the command, therefore
I need the double $ to avoid a clash with the single $ reference).

This plots the y variable correctly, but breaks the time representation.

Is it that there is a clash with the timefmt command? Do I need to change
the "%" for something else?

Many thanks,
Eoin Kerrane.

Re: [Gnuplot-info] Solved! How to set "times new roman" in enhaced text oncairo based terminals

[Akira K. <ka...@fu...>]

> Only I have to do is replace white space by - (hyphen) in the font name.
> set title '{/Times-New-Roman=18 a}' 

Thanks for the important information!

Best,
Akira

Re: [Gnuplot-info] Solved! How to set "times new roman" in enhaced text oncairo based terminals

[Tatsuro M. <tma...@ya...>]

----- Original Message -----

> From: Akira Kakuto 
> To: Tatsuro MATSUOKA ; gnuplot-info
> Cc: 
> Date: 2016/3/13, Sun 14:25
> Subject: Re: [Gnuplot-info] How to set "times new roman" in enhaced text oncairo based terminals
> 
>>>  However, it does not work.
>> 
>>  Sorry for my previous reply without tests.
>>  It does not work here also.
> 
> I don't know extended text.
> Is it bad to use, for example,
> set title '{/:Bold a}' font 'Times New Roman,16'
> 
> Best,
> Akira

Solved!

Only I have to do is replace white space by - (hyphen) in the font name.
set title '{/Times-New-Roman=18 a}' 

This was the same to use the "Times Roman" font on the postscript terminal.
(I found the "/Times-Roman=12" in the ps_guide.pdf.)

Thank for your reply.

Tatsuro

Re: [Gnuplot-info] How to set "times new roman" in enhaced text oncairo based terminals

[Akira K. <ka...@fu...>]

>> However, it does not work.
>
> Sorry for my previous reply without tests.
> It does not work here also.

I don't know extended text.
Is it bad to use, for example,
set title '{/:Bold a}' font 'Times New Roman,16'

Best,
Akira

Re: [Gnuplot-info] How to set "times new roman" in enhaced text oncairo based terminals

[Akira K. <ka...@fu...>]

> However, it does not work.

Sorry for my previous reply without tests.
It does not work here also.

Best,
Akira

Re: [Gnuplot-info] How to set "times new roman" in enhaced text oncairo based terminals

[Tatsuro M. <tma...@ya...>]

----- Original Message -----
> From: Akira Kakuto <
> To: Tatsuro MATSUOKA ; gnuplot-inf
> Cc: 
> Date: 2016/3/13, Sun 12:50
> Subject: Re: [Gnuplot-info] How to set "times new roman" in enhaced text oncairo based terminals
> 
>>  Any suggestions?
> 
> What about to use PostScript name?
> '{/TimesNewRomanPSMT a}'
> 
> Best,
> Akira


Thanks for the reply.

I have tried on the wxt terminal

However, it does not work.

*******************************************
gnuplot> set title '{/TimesNewRomanPSMT a}'    
gnuplot> plot sin(x)

gnuplot> set title '{/TimesNewRoman a}'     
gnuplot> plot sin(x)

gnuplot> set title 'a' font 'Times New Roman,16'   
gnuplot> plot sin(x)                                        
*******************************************

The above two gave wxt_20160313_01.png (attachment file)
The last gave wxt_20160313_01.png (attachment file)

Regards

Tatsuro

Re: [Gnuplot-info] How to set "times new roman" in enhaced text oncairo based terminals

[Akira K. <ka...@fu...>]

> Any suggestions?

What about to use PostScript name?
'{/TimesNewRomanPSMT a}'

Best,
Akira

[Gnuplot-info] How to set "times new roman" in enhaced text on cairo based terminals

[Tatsuro M. <tma...@ya...>]

Hello

I would like to use Times New Roman font on the cairo 

based terminals like wxt. How I can specified in the
enhanced text. 


'{/Times New Roman a}'

does not work because of font name includes white space.

The fc-list says that Times New Roman is registered as Times New Roman
on the fontconfig system.

Of course, e. g.

set title 'a' font 'Times New Roman'

But I would like to use font specification in enhanced text.

Any suggestions?

Tatsuro

[Gnuplot-info] Now available: Gnuplot in Action, 2nd Edition

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

Now available: 

	Gnuplot in Action, Second Edition

	https://www.manning.com/books/gnuplot-in-action-second-edition

After the usual and inevitable delays associated
with such a project, the 2nd edition of my book
"Gnuplot in Action" is now complete. It has been
sent to the printer; copies will be on the shelves 
within a couple of weeks.

An eBook version (with extra content and full color
graphics) is also available. Print book customers
receive the eBook for free as part of their purchase.

Although based on the 1st edition (which was published
in 2009), this is essentially a new book. It has been 
completely revised and fully updated to cover Gnuplot 5.

Highlights from the new edition:

- Full coverage of plots and standard features
  Including details on plot types, arrows and labels,
  keys and tic marks

- Color, color, color
  Color specifications, alpha shading and transparency,
  data-dependent coloring, false-color plots

- Terminal handling in depth
  Cairo-based terminals, SVG and HTML5 terminals,
  Latex terminals, terminal workflow

- Fonts and Unicode
  Detailed information on gnuplot's new font selection
  and Unicode strings: special symbols were never so easy!
  
- Loops, scripting, batch operations
  In addition to interactive use, gnuplot can also serve
  as programming environment for graphs. This books shows
  you how.

- ... and so much more!

I hope you'll find it useful - check it out!

Best,

		Ph.

[Gnuplot-info] 5.0 - replot from STDIN = Error

[Jan M. <ja...@mu...>]

Dear all,
I use gnuplot to show data that is piped into it from another script. 
The data gets updated every few seconds.
Here is what I send to gnuplot:

set term x11 title 'No Name'
plot '-' with points pt 5 title ""
3872664887
3872719597
e
[some time later...]
replot
1094204
1094205
e

This worked well in versions up to 4.4, maybe 4.6, updating the plot 
with every new set of data.
Now, using 5.0.3 I get an error:

gnuplot> 1094204
          ^
          line 3: invalid command
gnuplot> 1094205
          ^
          line 3: invalid command
gnuplot> e
          ^
          line 3: invalid command

 From reading recent commit messages and looking to the code, it seems 
to be related to the "volatile" flag set for pipes:
https://github.com/gnuplot/gnuplot/blob/master/src/datafile.c#L1360 -   
volatile_data = TRUE;
I found that removing this line makes my problem disappear - but I have 
no idea what else gets broken when doing so.
Do you have any advice how to fix the problem?

Thanks for your help,
Jan

[Gnuplot-info] plotting with binary data

[Cédric O. <ced...@un...>]

Hello gnuplotters,

I encounter a weird curious issue when plotting 2D data from binary file.

I have two files, the second file containing 5 lines more. These 5 lines
represent a simple quadrangle cell. So the second file should plot one
more cell than the first one.

These two files are ascii and I use octave to get two binary files. The
command is :

      splot 'b66.dat' binary record=(15,-1) format='%float' u 1:2:3 w l

The first data plots very fine. But the plot with the second file is not
clear.

I tried with Matlab as well, same result. I enclosed the binary and
ascii files, as well the octave script if you want to try.

Any hint?

Re: [Gnuplot-info] Fw: problem with multiplot

[Hans-Bernhard B. <HBB...@t-...>]

Am 19.02.2016 um 04:26 schrieb Dr. Agustin Gonzalez:
> it sends the following message:
>
> "plotdelaunay_symbols_keys_2", line 20: ';' expected
>
> and the prompt remains in multiplot>

That doesn't mean that you have a "problem with multiplot", though. 
And indeed multiplot has nothing to do with it.

Removing all parts of your script that still leave the problem intact, 
one arrives at something like this:

gnuplot> p x w p pt 09
                      ^
          ';' expected

The problem is that you accidentally created an ill-formed octal number. 
  gnuplot's syntax is like C in many respects; up to and including 
hexadecimal and octal integer constants.  So lose the leading zeroes, 
and things will work.

Re: [Gnuplot-info] Fw: problem with multiplot

[Peter S. <p.s...@me...>]

Hi Agustin
Have you checked that the line breaks in your script and in your operating system match?
Maybe your new OS uses a different convention.

Regards
Peter
--
Meier und Partner AG
Freiestrasse 26<x-apple-data-detectors://1/0>
8570 Weinfelden<x-apple-data-detectors://1/0>
www.meierpartner.ch<http://www.meierpartner.ch/>
T +41 71 626 5115<tel:+41%2071%20626%205115>

Am 19.02.2016 um 04:30 schrieb "Dr. Agustin Gonzalez" <ag...@fi...<mailto:ag...@fi...>>:



Hi, I hope somebody can help. It would be much appreciated.

I was using the script below, which was working perfectly
on my Mac with an older operating system (I think it was
Tiger) and with gnuplot 4.2 I think. About 2 years ago I
erased everything and installed the OS X 10.8 (Mountain Lion)
and then installed gnuplot 4.6. When I try to load the script,
it sends the following message:

"plotdelaunay_symbols_keys_2", line 20: ';' expected

and the prompt remains in multiplot>

The line 20 is just one line before where the second
plot command starts inside multiplot.

Can anybody help? Thank you very much in advance.

Agustin

------------------------------------------------------------
set term post eps enhanced color "Times-Roman" 24
set output "diagram.delaunayeps.keys.9001_2.eps"
set key outside title
set xrange [0000.0:0750.0]
set yrange [0000.0:0750.0]
set size square 1.0,1.0
#
set multiplot
plot 'data3' u 1:2 w p pt 13 ps 0.187 notitle, \
'data4' u 1:2 w p pt 05 ps 0.150 notitle, \
'data5' u 1:2 w p pt 11 ps 0.200 notitle, \
'data6' u 1:2 w p pt 07 ps 0.128 notitle, \
'data7' u 1:2 w p pt 09 ps 0.200 notitle, \
'data8ch' u 1:2 w p pt 01 ps 0.00001 notitle, \
'data8' u 1:2 w p pt 38 ps 0.001 notitle, \
'data9' u 1:2 w p pt 35 ps 0.001 notitle, \
'data10' u 1:2 w p pt 41 ps 0.001 notitle, \
'data11' u 1:2 w p pt 44 ps 0.001 notitle, \
'data12' u 1:2 w p pt 13 ps 0.220 notitle, \
'comput_plot' u 1:2 w lines lt 1 lw 5.080 notitle
plot 'datkey3' u 1:2 w p pt 13 ps 3.00 title "3", \
'datkey4' u 1:2 w p pt 05 ps 3.00 title "4", \
'datkey5' u 1:2 w p pt 11 ps 3.00 title "5", \
'datkey6' u 1:2 w p pt 07 ps 3.00 title "6", \
'datkey7' u 1:2 w p pt 09 ps 3.00 title "7", \
'data8ch' u 1:2 w p pt 01 ps 0.00001 notitle, \
'datkey8' u 1:2 w p pt 38 ps 3.00 title "8", \
'datkey9' u 1:2 w p pt 35 ps 3.00 title "9", \
'datkey10' u 1:2 w p pt 41 ps 3.00 title "10", \
'datkey11' u 1:2 w p pt 44 ps 3.00 title "11", \
'datkey12' u 1:2 w p pt 13 ps 3.00 title "12"
unset multiplot
----------------------------------------------------------

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Re: [Gnuplot-info] Fw: problem with multiplot

[Ethan M. <merritt@u.washington.edu>]

On Thursday, 18 February 2016 09:26:06 PM Dr. Agustin Gonzalez wrote:
> 
> Hi, I hope somebody can help. It would be much appreciated.
> 
> I was using the script below, which was working perfectly
> on my Mac with an older operating system (I think it was
> Tiger) and with gnuplot 4.2 I think. About 2 years ago I
> erased everything and installed the OS X 10.8 (Mountain Lion)
> and then installed gnuplot 4.6. When I try to load the script,
> it sends the following message:
> 
> "plotdelaunay_symbols_keys_2", line 20: ';' expected
> 
> and the prompt remains in multiplot>
> 
> The line 20 is just one line before where the second
> plot command starts inside multiplot.
> 
> Can anybody help? Thank you very much in advance.

Does the same plot command work if it is not
inside a multiplot?


[aside] Why would you want multiplot for this?
Since your script does not manipulate origin/offset
parameters the two plot commands will end up on
top of each other, in which case you might as well
use a single plot command.

> 
> Agustin
> 
> ------------------------------------------------------------
> set term post eps enhanced color "Times-Roman" 24
> set output "diagram.delaunayeps.keys.9001_2.eps"
> set key outside title
> set xrange [0000.0:0750.0]
> set yrange [0000.0:0750.0]
> set size square 1.0,1.0
> #
> set multiplot
> plot 'data3' u 1:2 w p pt 13 ps 0.187 notitle, \
> 'data4' u 1:2 w p pt 05 ps 0.150 notitle, \
> 'data5' u 1:2 w p pt 11 ps 0.200 notitle, \
> 'data6' u 1:2 w p pt 07 ps 0.128 notitle, \
> 'data7' u 1:2 w p pt 09 ps 0.200 notitle, \
> 'data8ch' u 1:2 w p pt 01 ps 0.00001 notitle, \
> 'data8' u 1:2 w p pt 38 ps 0.001 notitle, \
> 'data9' u 1:2 w p pt 35 ps 0.001 notitle, \
> 'data10' u 1:2 w p pt 41 ps 0.001 notitle, \
> 'data11' u 1:2 w p pt 44 ps 0.001 notitle, \
> 'data12' u 1:2 w p pt 13 ps 0.220 notitle, \
> 'comput_plot' u 1:2 w lines lt 1 lw 5.080 notitle
> plot 'datkey3' u 1:2 w p pt 13 ps 3.00 title "3", \
> 'datkey4' u 1:2 w p pt 05 ps 3.00 title "4", \
> 'datkey5' u 1:2 w p pt 11 ps 3.00 title "5", \
> 'datkey6' u 1:2 w p pt 07 ps 3.00 title "6", \
> 'datkey7' u 1:2 w p pt 09 ps 3.00 title "7", \
> 'data8ch' u 1:2 w p pt 01 ps 0.00001 notitle, \
> 'datkey8' u 1:2 w p pt 38 ps 3.00 title "8", \
> 'datkey9' u 1:2 w p pt 35 ps 3.00 title "9", \
> 'datkey10' u 1:2 w p pt 41 ps 3.00 title "10", \
> 'datkey11' u 1:2 w p pt 44 ps 3.00 title "11", \
> 'datkey12' u 1:2 w p pt 13 ps 3.00 title "12" 
> unset multiplot
> ----------------------------------------------------------
> 
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[Gnuplot-info] Fw: problem with multiplot

[Dr. A. G. <ag...@fi...>]

Hi, I hope somebody can help. It would be much appreciated.

I was using the script below, which was working perfectly
on my Mac with an older operating system (I think it was
Tiger) and with gnuplot 4.2 I think. About 2 years ago I
erased everything and installed the OS X 10.8 (Mountain Lion)
and then installed gnuplot 4.6. When I try to load the script,
it sends the following message:

"plotdelaunay_symbols_keys_2", line 20: ';' expected

and the prompt remains in multiplot>

The line 20 is just one line before where the second
plot command starts inside multiplot.

Can anybody help? Thank you very much in advance.

Agustin

------------------------------------------------------------
set term post eps enhanced color "Times-Roman" 24
set output "diagram.delaunayeps.keys.9001_2.eps"
set key outside title
set xrange [0000.0:0750.0]
set yrange [0000.0:0750.0]
set size square 1.0,1.0
#
set multiplot
plot 'data3' u 1:2 w p pt 13 ps 0.187 notitle, \
'data4' u 1:2 w p pt 05 ps 0.150 notitle, \
'data5' u 1:2 w p pt 11 ps 0.200 notitle, \
'data6' u 1:2 w p pt 07 ps 0.128 notitle, \
'data7' u 1:2 w p pt 09 ps 0.200 notitle, \
'data8ch' u 1:2 w p pt 01 ps 0.00001 notitle, \
'data8' u 1:2 w p pt 38 ps 0.001 notitle, \
'data9' u 1:2 w p pt 35 ps 0.001 notitle, \
'data10' u 1:2 w p pt 41 ps 0.001 notitle, \
'data11' u 1:2 w p pt 44 ps 0.001 notitle, \
'data12' u 1:2 w p pt 13 ps 0.220 notitle, \
'comput_plot' u 1:2 w lines lt 1 lw 5.080 notitle
plot 'datkey3' u 1:2 w p pt 13 ps 3.00 title "3", \
'datkey4' u 1:2 w p pt 05 ps 3.00 title "4", \
'datkey5' u 1:2 w p pt 11 ps 3.00 title "5", \
'datkey6' u 1:2 w p pt 07 ps 3.00 title "6", \
'datkey7' u 1:2 w p pt 09 ps 3.00 title "7", \
'data8ch' u 1:2 w p pt 01 ps 0.00001 notitle, \
'datkey8' u 1:2 w p pt 38 ps 3.00 title "8", \
'datkey9' u 1:2 w p pt 35 ps 3.00 title "9", \
'datkey10' u 1:2 w p pt 41 ps 3.00 title "10", \
'datkey11' u 1:2 w p pt 44 ps 3.00 title "11", \
'datkey12' u 1:2 w p pt 13 ps 3.00 title "12" 
unset multiplot
----------------------------------------------------------

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Re: [Gnuplot-info] change colors of bars, and add small digits

[Emanuel B. <emb...@st...>]

"Mauricio Galo (Dep. de Cartografia)"
<ga...@fc...> writes:

> You can also use patterns with black and white bars.
> In the link above there are some simple examples:
> with pattern

Thank you, but I'm happy with:

    set linetype 1 linecolor rgb "gray"
    set linetype 2 linecolor rgb "black"

> different width [...]
>
> http://www2.fct.unesp.br/docentes/carto/galo/web/gnuplot/gnu_exemplos5.htm

If you mean either of

    set boxwidth 1.0 relative
    set boxwidth 1.5

then neither will do - they make the bars expand
"inward" and overlap long before they get wide enough!

So the four issues I have remain:

    1. How can I have the bars *wider* ...

    2. ... so the entire label will always be visible
    above the bar, centered around the bar's mid?

    3. How can I don't have to do this:

        set yrange [0.01:33] # hack not to show 0 as labels,
                             # also to have labels within border
                             # obviously ugly to have this hard coded

    4. How can I set the colors of the labels to the
    colors of the bars?

-- 
underground experts united
http://user.it.uu.se/~embe8573

Re: [Gnuplot-info] change colors of bars, and add small digits

[Emanuel B. <emb...@st...>]

Ethan A Merritt <eam...@gm...> writes:

> See 5th plot of this demo
>
> http://gnuplot.sourceforge.net/demo_svg_5.0/datastrings.html

Thank you!

The code now looks like this:

    http://user.it.uu.se/~embe8573/everest-plot/everest.gpi

Diagrams 1-2:

    http://user.it.uu.se/~embe8573/everest-plot/early.png

    http://user.it.uu.se/~embe8573/everest-plot/late.dat

Questions:

1. How can I have the bars *wider* ...

2. ... so the entire label will always be visible
   above the bar, centered around the bar's mid?

3. How can I don't have to do this:

       set yrange [0.01:33] # hack not to show 0 as labels,
                            # also to have labels within border
                            # obviously ugly to have this hard coded

4. How can I set the colors of the labels to the
   colors of the bars?

-- 
underground experts united
http://user.it.uu.se/~embe8573

Re: [Gnuplot-info] change colors of bars, and add small digits

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

On Monday, 01 February 2016 03:18:24 AM Emanuel Berg wrote:
> I have a project going on here:
> 
>     http://user.it.uu.se/~embe8573/everest-plot/
> 
> If we focus on this plot:
> 
>     http://user.it.uu.se/~embe8573/everest-plot/early.png
> 
> I'd like to change two things:
> 
>     1) How can I give the bars more different colors?
>        Especially if printed on a black-and-white
>        printer, the bars get too similar. Instead one
>        can be black, and the other white (with
>        a border).

There are many ways you could specify color.
Here is one:
 set linetype 1 linecolor rgb "white"
 set linetype 2 linecolor rgb "black"

To get a border:

 set style fill solid 1.0 border

>     2) How can I add small digits above each bar,
>        saying the number which the bar illustrates?
>        E.g.,
> 
>              3
>           2  |
>           |  |  1
>           |  |  |
>          ---------

See 5th plot of this demo

http://gnuplot.sourceforge.net/demo_svg_5.0/datastrings.html[1] 




> 
> Here is the .gpi file:
> 
> # This file: http://user.it.uu.se/~embe8573/everest-plot/everest.gpi
> 
> set terminal png size 800,600 font "cm-super"
> 
> datastring = sprintf("%s", data)
> 
> set xtics 1 font ",8" rotate by 90
> 
> if (datastring eq "early.dat") {
>     set ytics 1
>     set key left top height 1
>     set title font ",14" "Mount Everest: Framgångsrika bestigningar, dödsfall"
>     set xtics offset 0.2,graph -0.0475
> }
> else {
>     set ytics 20
>     unset key
>     set xtics offset 0.2,graph -0.045
> }
> set ytics font ",6"
> 
> set grid
> 
> set style data histogram
> set style fill solid
> 
> plot for [COL=2:3] datastring using COL:xticlabels(1) title column
> 
> 

-- 


--------
[1] http://gnuplot.sourceforge.net/demo_svg_5.0/datastrings.html

[Gnuplot-info] change colors of bars, and add small digits

[Emanuel B. <emb...@st...>]

I have a project going on here:

    http://user.it.uu.se/~embe8573/everest-plot/

If we focus on this plot:

    http://user.it.uu.se/~embe8573/everest-plot/early.png

I'd like to change two things:

    1) How can I give the bars more different colors?
       Especially if printed on a black-and-white
       printer, the bars get too similar. Instead one
       can be black, and the other white (with
       a border).

    2) How can I add small digits above each bar,
       saying the number which the bar illustrates?
       E.g.,

             3
          2  |
          |  |  1
          |  |  |
         ---------

Here is the .gpi file:

# This file: http://user.it.uu.se/~embe8573/everest-plot/everest.gpi

set terminal png size 800,600 font "cm-super"

datastring = sprintf("%s", data)

set xtics 1 font ",8" rotate by 90

if (datastring eq "early.dat") {
    set ytics 1
    set key left top height 1
    set title font ",14" "Mount Everest: Framgångsrika bestigningar, dödsfall"
    set xtics offset 0.2,graph -0.0475
}
else {
    set ytics 20
    unset key
    set xtics offset 0.2,graph -0.045
}
set ytics font ",6"

set grid

set style data histogram
set style fill solid

plot for [COL=2:3] datastring using COL:xticlabels(1) title column

-- 
underground experts united
http://user.it.uu.se/~embe8573

[Gnuplot-info] How to generate WXT,PNG,PDF,SVG "look-alikes"?

[theozh <th...@gm...>]

If I generate a plot I use the WXT Terminal for an immediate check if
everything is plotted as desired.
Besides that, I would like to the have the same plot also in PNG, PDF
and SVG format.

When I use in gnuplot 5 the widget at the top of the plot window to
*manually* save the plots it seems that I get pretty "identical" PNG,
PDF, SVG plots.

However, I expected that with the following code the default settings
are such that I get (most) identical plots, but obviously some
adjustments are needed.
For example, the font in PNG is larger than in WXT.

reset
set output "Plot.png"
set term pngcairo enhanced size 742,525
plot sin(x)

set output "Plot.pdf"
set term pngcairo enhanced size 7.42cm,5.25cm # maybe needs adjustment?
replot

set output "Plot.svg"
set term svg enhanced size 742,525
replot

set term wxt enhanced size 742,525
replot

Which parameters need to be considered and adjusted (the widget
obviously does it) to always get the (most) identical look?
size, font, fontsize, fontscale, linewidth, others... ?

[Gnuplot-info] swap x/y of 3d plot

[Peter C. <pe...@ho...>]

We plot a waterfall using the below pruned script.
Normally our data looks like:
      t1,t2,t3,t4,t5,t6...
f1, v1, v2, v3, v4,v5, v6
f2, v1, v2, v3, v4, v5, v6
...
With the rows being frequency and the columns being timestamps and V 
being the value plotted

This all works fine, except we have one dataset that has rows and 
columns reversed so that it looks like:
      f1, f2, f3, f4...
t1, v1, v2, v3, v4
t2, v1, v2, v3, v4
...

I cant figure out what I need to change in the script to get it to plot 
correctly.

set term png font arial 8 size 1400,1000
set datafile separator ","
set pm3d
set xrange[*:*] reverse
set zrange[-140:-20]
set hidden3d
set view 45,75,,0.85
set cbrange [-140:-20]
set grid x y z
set output 'test.png'
splot 'test.csv' nonuniform matrix using 1:2:3 notitle with pm3d lc palette

Re: [Gnuplot-info] Gnuplot 5.0 epslatex dashtypes

[sfeam <eam...@gm...>]

On Thursday, 07 January 2016 04:31:37 PM Matthew Clay wrote:
> Hi,
> 
> I am sorry if this is a repeat, but I couldn't find anything on the web. 
> I have upgraded from gnuplot 4.6 to gnuplot 5.0 patchlevel 1, and have 
> noticed that dashtypes (previously linetypes) have changed in the 
> epslatex terminal. Specifically, there appears to be considerably more 
> white space between the new dashtypes when compared to the older 
> linetypes. Is there any way to reduce the white space between dashes?

The answer is a bit complicated, which is unfortunate, but to be fair
the treatment of dashed lines is the greatest single point of difference
between version 4 and version 5.

Let's start with the simple answer.
It has been true all allong (both versions 4 and 5) that you can adjust
the spacing between dashes by using the "dashlength <multiplier>"
option to "set term".
So "set term epslatex dashlength 0.5"  may be all you need.

For the more complicated answer it may be informative to look at
the discussion attached to Bug #1724
    https://sourceforge.net/p/gnuplot/bugs/1724/[1] 

These issues affected only the postscript terminals, but that includes
epslatex.   

- The postscript behavior was tweaked for version 5.0.2
  (released this week).  This tweek may or may not affect what you 
  are doing.

- The original version 4 dashtypes are still there, but the exact 
  commands to select them depend on whether you are in 
  color or monochrome mode.  This will probably work, but I'm 
  not 100% certain:

    set term epslatex
    unset mono
    set for [N=1:10] linetype N lw 1.0 lc black dt N

    ... same plot commands as in version 4 ...


> In addition, when I try to set a custom dashtype (e.g. dt "..- "), I just 
> get solid lines. Has anybody been able to get custom dashtypes to work 
> in the epslatex terminal?

Yes. They work fine here.

	Ethan

> Thanks,
> Matthew


--------
[1] https://sourceforge.net/p/gnuplot/bugs/1724/

Re: [Gnuplot-info] Gnuplot 5.0 epslatex dashtypes (Matthew Clay)

[Matthew C. <mp...@gm...>]

Hi,

I've made some progress on my own question, but in the cairolatex 
terminal. I have been able to specify dashtypes for successive lines in 
the following manner:

dt (16,4)
dt (16,4,4,4)
dt (16,4,4,4,4,4)

These dashtypes do not produce as much white space as the defaults. With 
this finding, I have two questions:

1. Are there known bugs/lack of features with the epslatex terminal 
(with dashtypes specifically)?

2. Is there any documentation for the cairolatex terminal?

Thanks,
Matthew

[Gnuplot-info] Gnuplot 5.0 epslatex dashtypes

[Matthew C. <mp...@gm...>]

Hi,

I am sorry if this is a repeat, but I couldn't find anything on the web. 
I have upgraded from gnuplot 4.6 to gnuplot 5.0 patchlevel 1, and have 
noticed that dashtypes (previously linetypes) have changed in the 
epslatex terminal. Specifically, there appears to be considerably more 
white space between the new dashtypes when compared to the older 
linetypes. Is there any way to reduce the white space between dashes? In 
addition, when I try to set a custom dashtype (e.g. dt "..- "), I just 
get solid lines. Has anybody been able to get custom dashtypes to work 
in the epslatex terminal?

Thanks,
Matthew

Re: [Gnuplot-info] Problems generating multiple plots using stdin

[Kevin O. <rko...@gm...>]

I knew this was going to be embarrassing! Why did I not notice that the
columns after the first were all the same (and were the data from the last
column.

Thanks very much, Ethan! Now I just need to figure out why I am pulling the
wrong data out of the DB.Other than keeping it in an array, it's the same
code I used to write it to a temp file, so I am guessing that I am simply
over-writing the prior data with the "new" data as I load the data going
backwards.

Thanks again!

Kevin Oberman, Part time kid herder and retired Network Engineer
E-mail: rko...@gm...
PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683

On Sat, Jan 2, 2016 at 11:25 AM, Ethan A Merritt <eam...@gm...>
wrote:

> On Saturday, 02 January 2016 10:48:28 AM Kevin Oberman wrote:
> > On Sat, Jan 2, 2016 at 2:23 AM, Thomas Sefzick <t.s...@fz...>
> > wrote:
> >
> > > Kevin Oberman <rkoberman <at> gmail.com> writes:
> > > >
> > > > I am baffled by a failure I am having in attempting to generate a
> series
> > > of
> > > > plots on a single image. The inputs are from stdin. I get only the
> first
> > > > and last of the five plots, although the titles for all five are
> shown.
> > > No
> > > > errors reported.
>
> The last 3 columns of your data are identical, so the corresponding plots
> lie exactly on top of each other.  All are present in the graph.
> If you use an interactive terminal (qt wxt ...)  you can toggle them
> individually to confirm they are present.
>
> > > >
> > > > I have recorded the stream sent to gnuplot and can see no problems,
> > > though
> > > > I suspect I am missing a simpler way to do it.
>
> $DATA << EOD
> ... 96 lines of input ...
> EOD
>
> set style data lines
>
> plot $DATA using 1:2 title "2016-01-02", $DATA using 1:3 title
> "2016-01-01", $DATA using 1:4 title "2015-12-31", $DATA using 1:5 title
> "2015-12-30", $DATA using 1:6 title "2015-12-29"
>
>
>
> > > > ...
> > > > plot "-" using 1:2 title "2016-01-01" with lines, "-" using 1:3 title
> > > > "2015-12-31" with lines, "-" using 1:4 title "2015-12-30" with
> lists, "-"
> > > > using 1:5 title "2015-12-29" with lists, "-" using 1:6 title
> "2015-12-28"
> > > > with lists
> > > > ...
> > >
> > > i would suspect that the 1st and the 2nd plot are working,
> > > the others cant't due to a syntax error.
> > >
> > > change "with lists" to "with lines" in the plot command.
> > >
> >
> > Thomas,
> >
> > Thanks so much for taking time to point out my really dumb error.
> > Unfortunately, it was a cut and paste/editing error and  was not in the
> > actual raw capture. All three plots were actually "with lines".
> >
> > Since the full stream is rather long (almost 500 lines), I am not going
> to
> > include the whole thing in this message. Instead I have put it on my
> server
> > at/usr/local/www/data/FreeBSD/gnuplot.input.txt
> > <http://ykoberman.dlinkddns.com/FreeBSD/gnuplot.input.txt> along with
> one
> > of the output images at http://ykoberman.dlinkddns.com/FreeBSD/temp.gif
> > --
> > Kevin Oberman, Part time kid herder and retired Network Engineer
> > E-mail: rko...@gm...
> > PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683
> >
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