gnuplot-info — For questions and discussion about gnuplot

Re: [Gnuplot-info] more space for xtics

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

set bmargin


mazeika wrote:
> 
> Folks,
> 
> Is there any way I can increase the vertical space for xtics in gnuplot?
> It seems that gnuplot gives a fixed amount of vertical space for the xtics
> independent of the size of the labels. Consider the following data:
> 
> 1 1
> 10 2
> 100 3
> 1000 4
> 10000 5
> 
> and the following commands:
> 
> set style data histogram
> set xtics rotate by -90
> plot 'b.data' u 2:xtic(1)
> 
> Everything that has more than 4 characters does not fit at the bottom. Any
> ideas?
> 

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Re: [Gnuplot-info] Histogram combining x-axis labels

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

plot "data.dat" every 1::0::3 using 2:xtic(1) title 'TDD' fs solid 0.7, \
"" every 1::4::7 using 2:xtic(1) title 'Non-TDD' fs pattern 1, \
"" every 1::0::3 using 0:2:1 with labels right offset 0,1 notitle, \
"" every 1::4::7 using 0:2:1 with labels left offset 0,1 notitle


air0day wrote:
> 
> That makes sense I guess.  But are you saying there's no way to do what I
> want with GNUPlot, or no way to do what I want with gnuplot using
> histograms?
> 
> I'd be happy creating new labels for the four groupings (they do belong
> together for a reason after all) if there were a way of putting individual
> labels on, say, the tip of each bar.  Is that possible?
> 
> 
> 
> Thomas Sefzick wrote:
>> 
>> in histogram mode data belonging together are grouped and each
>> group gets one label. if you specify several 'xtic's the last one
>> overwrites the earlier one.
>> the label should appear in the middle (which it currently only
>> does for an odd gap size, e.g.: set style histogram gap 1)
>> 
>> 
>> air0day wrote:
>>> 
>>> Hey folks,
>>> 
>>> Pretty new to gnuplot and I've managed to get my graph to look ALMOST
>>> exactly how I want.  I have a histogram where I'm comparing two data
>>> sets side by side and I want each bar to have its own label, but instead
>>> each pair is getting a single label (the second one of the pair).  Any
>>> way to stop this?
>>> 
>>> This is my .gnu file:
>>> 
>>> set terminal png
>>> set output 'lcom_projects.png'
>>> set style data histograms
>>> plot 'data.dat' every 1::0::3 using 2:xtic(1) title 'TDD' fs solid 0.7,
>>> \
>>>      'data.dat' every 1::4::7 using 2:xtic(1) title 'Non-TDD' fs pattern
>>> 1
>>> 
>>> 
>>> And this is my data:
>>> 
>>> JUnit 0.129
>>> HTMLParser 0.265
>>> Fitnesse 0.241
>>> Hudson 0.149
>>> Jericho 0.239
>>> JTidy 0.112
>>> JSPWiki 0.22
>>> XWiki 0.179
>>> 
>>> 
>>> This is the result:
>>>  http://www.nabble.com/file/p25744498/lcom_projects.png
>>> lcom_projects.png 
>>> 
>>> 
>>> If you look, you can see that each "pair" is labeled Jericho, JTidy,
>>> JSPWiki, and XWiki, even though the correct bar (the red one) is being
>>> shown for the other half of the data.  I just can't make the labels
>>> appear side by side.
>>> 
>>> Any help would be greatly appreciated.
>>> 
>>> 
>> 
>> 
> 
> 

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Re: [Gnuplot-info] Histogram combining x-axis labels

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

in histogram mode data belonging together are grouped and each
group gets one label. if you specify several 'xtic's the last one
overwrites the earlier one.
the label should appear in the middle (which it currently only
does for an odd gap size, e.g.: set style histogram gap 1)


air0day wrote:
> 
> Hey folks,
> 
> Pretty new to gnuplot and I've managed to get my graph to look ALMOST
> exactly how I want.  I have a histogram where I'm comparing two data sets
> side by side and I want each bar to have its own label, but instead each
> pair is getting a single label (the second one of the pair).  Any way to
> stop this?
> 
> This is my .gnu file:
> 
> set terminal png
> set output 'lcom_projects.png'
> set style data histograms
> plot 'data.dat' every 1::0::3 using 2:xtic(1) title 'TDD' fs solid 0.7, \
>      'data.dat' every 1::4::7 using 2:xtic(1) title 'Non-TDD' fs pattern 1
> 
> 
> And this is my data:
> 
> JUnit 0.129
> HTMLParser 0.265
> Fitnesse 0.241
> Hudson 0.149
> Jericho 0.239
> JTidy 0.112
> JSPWiki 0.22
> XWiki 0.179
> 
> 
> This is the result:
>  http://www.nabble.com/file/p25744498/lcom_projects.png lcom_projects.png 
> 
> 
> If you look, you can see that each "pair" is labeled Jericho, JTidy,
> JSPWiki, and XWiki, even though the correct bar (the red one) is being
> shown for the other half of the data.  I just can't make the labels appear
> side by side.
> 
> Any help would be greatly appreciated.
> 
> 

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Re: [Gnuplot-info] Export ymax Data to txt document

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

Hello

--- Thomas Sefzick wrote:

> 
> copy GPVAL_Y_MAX into a user defined variable and save it:
> my_gpval_y_max = GPVAL_Y_MAX
> save var "|grep my_gpval_y_max | awk '{print \$3}' > file.dat"

I have got an idea in the following to see the above example

set print 'file.dat'
print GPVAL_Y_MAX
set out

Regards

Tatsuro

--------------------------------------
Yahoo! JAPAN - Internet Security for teenagers and parents.
http://pr.mail.yahoo.co.jp/security/

Re: [Gnuplot-info] Export ymax Data to txt document

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

copy GPVAL_Y_MAX into a user defined variable and save it:
my_gpval_y_max = GPVAL_Y_MAX
save var "|grep my_gpval_y_max | awk '{print \$3}' > file.dat"

see:
http://www.gnuplot.info/docs/node59.html
http://www.gnuplot.info/docs/node153.html


Bertze wrote:
> 
> Hey, if i plot a 2d curve from a data file, gnuplot saves a max value for
> y called gvp_ymax_data or something like this.
> 
> How can i export this one value in a txt dokument?
> 

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[Gnuplot-info] Export ymax Data to txt document

[Bertze <Tob...@gm...>]

Hey, if i plot a 2d curve from a data file, gnuplot saves a max value for y
called gvp_ymax_data or something like this.

How can i export this one value in a txt dokument?
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Re: [Gnuplot-info] Best way to plot lines with variable color?

[Jim K. <jek...@kl...>]

Jim Kleckner wrote:
> Jim Kleckner wrote:
>  > What would be the recommended way to plot line segments with varying
>  > color (a multicolored single line plot)?

...

> However the demo script below works for png files but
> gives the following error for pdf files:
>  fatal exception: [2100] PDF_lineto: Function must not be called in 
> 'page' scope
> 
> Anyone run into this or suggest where to start?

FYI, after getting pango/cairo upgraded, the simple pdf example worked
with the terminal type "pdfcairo".

So I guess the issue is with the pdf terminal.

However, pdfcairo has inconsistent fonts when substituted for pdf 
terminal and other issues...

Re: [Gnuplot-info] Questions

[Dr. I. D. J. <die...@t-...>]

Dear Thomas,
thank you for you replies, they were actually very helpful. I know now how to 
circumvent the issue with the out of order label when specified explicitly - 
though the differences in treating values is not intuitive from an users 
standpoint, though clear when you realize that the explicit labels are treated 
as strings in contrast to the numeric values from the range specification. I 
know, I know, RTFM ...

Thanks to Bernhard in his direct comment.

I will play around with your suggestions regarding the xrange assignment for 
w(x)=2.*pi*x ....

Thanks again for your ongoing support on the list,
take care



Dieter Jurzitza

Am Dienstag 29 September 2009 14:42:32 schrieb Thomas Sefzick:
> it's a matter of the xrange you specify. with
> w(f)=2.*pi*f
******

-- 
-----------------------------------------------------------

                               |
                                \
                 /\_/\           |
                | ~x~ |/-----\   /
                 \   /-       \_/
  ^^__   _        /  _  ____   /
 <°°__ \- \_/     |  |/    |  |
  ||  ||         _| _|    _| _|

if you really want to see the pictures above - use some font
with constant spacing like courier! :-)
-----------------------------------------------------------

Re: [Gnuplot-info] Plot several files

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

use 'sprintf':

loop.plt:

counter = counter+0.5
inputfile = 'out_'.sprintf("%.1f",counter).'.dat'
print inputfile
outputfile = sprintf("%.1f",counter).'.ps'
print outputfile
if (counter<=counterMax) reread


arvindmer wrote:
> 
> 
> Ya Great It works.
> 
> But my problem is that my files name contains decimal point that is
> out_1.0.dat, out_1.5.dat, out_2.0.dat, out_2.5.dat ........
> 
> Now when I try to increase counter by 0.5 it shows me error......
> 
> "loop.plt", line 2: internal error : STRING operator applied to non-STRING
> type
> 
> What to do ?????
> 
> --- On Fri, 9/25/09, Thomas Sefzick <t.s...@fz...> wrote:
> 
> From: Thomas Sefzick <t.s...@fz...>
> Subject: Re: [Gnuplot-info] Plot several files
> To: gnu...@li...
> Date: Friday, September 25, 2009, 6:27 PM
> 
> 
> have a look at this thread:
> http://www.nabble.com/read-and-plot-a-lot-of-files-with-consecutive-numbering-td19272692.html
> 
> 
> arvindmer wrote:
>> 
>> I have 100 data files named as 1.0.dat, 1.5.dat ..... 99.5.dat, 100.0.dat
>> I want a gnuplot script to plot then in different ps (post script) files
>> (100 ps files).
>> Plz help
>> Thanks in advance ....
>> 
>> 
>>       
>> ------------------------------------------------------------------------------
>> Come build with us! The BlackBerry&reg; Developer Conference in SF, CA
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>> 
>> 
> 
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> 
> 
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Re: [Gnuplot-info] scale down a single plot relative to the size of 'canvas'

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

you need to tell your postscript viewer not only to show what's
inside the bounding box but instead to show a 10 inch *10 inch
page.


baalkikhaal wrote:
> 
> hello,
> as per 4.2 doc 
> set term 5#5terminal_type6#6 size 5#5XX6#6, 5#5YY6#6 controls the size of
> the output file, or canvas
> set size 5#5XX6#6, 5#5YY6#6 scales the plot itself relative to the size of
> the canvas
> set terminal postscript {size <XX>{unit},<YY>{unit}}
> The default size for postscript output is 10 inches x 7 inches.
> 
> so i did
> 
> set terminal postscript size 10.0,10.0 mono 
> set size 0.5,0.5
> set output "plot1.ps"
> #set multiplot
> #set size 0.5 ,0.5
> plot "plotable.dat" using 1:2 title "bu" wi li 
> #unset multiplot
> 
> to plot in one fourth area of the graph, but instead 'canvas' is decreased
> to 0.5,0.5 but instead on doing
> 
> 
> set terminal postscript size 10.0,10.0 mono 
> #set size 0.5,0.5
> set output "plot1.ps"
> set multiplot
> set size 0.5 ,0.5
> plot "plotable.dat" using 1:2 title "bu" wi li 
> unset multiplot
> 
> gnuplot works as desired. 
> my question is it necessary to be in multiplot mode when dealing with
> scaling or am i missing the concept of 'canvas'?
> 
> sincerely,
> sreekar guddeti
> India
> 

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Re: [Gnuplot-info] plotting wthout certain value

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

there are several ways:

a) ternary operator in 'using' option:
plot "datafile" using 0:($1>0?$1:0/0) with linespoints

b) specifying "0" as missing character:
set datafile missing "0"
plot "datafile" with linespoints

c) filtering outside of gnuplot:
plot "< awk '{if ($1 > 0) print $0}' datafile" with linespoints
BUT this will change the numbering of your points


febty wrote:
> 
> Hi everyone,
> 
> I am working with gnuplot now. I have some data like below:
> 
> 1
> 2
> 3
> 4
> 0
> 0
> 0
> 0
> 6
> 7
> 8
> 
> I want to plot the data without 0 value(from line 5 to line 8). Are there
> some tricks to plot it? I used the trick on
> http://t16web.lanl.gov/Kawano/gnuplot/datafile3-e.html#7.7, but for my
> case it didn't work. 
> 
> Any helps is appreciated.
> 
> 
> best regards,
> febty
> 

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Re: [Gnuplot-info] Questions

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

it's a matter of the xrange you specify. with
w(f)=2.*pi*f
you could
set xrange [w(10):w(100)]
and plot in the frequency range [10:100] but over omega.

an example:
reset
w(f)=2.*pi*f
# x-axis: frequency
set xrange [10:100]
# x2-axis: omega
set x2range [w(10):w(100)]
set xtics nomirror
set x2tics
plot w(x), x axes x2y1


Dr. Ing. Dieter Jurzitza wrote:
> 
> Dear listmembers,
> recently I detected an issue with gnuplot someone might be able to help me 
> with:
> 
> ...
> 
> Secondly, I often use expressions with omega, say omega=2.0*pi*x (x
> meaning 
> the frequency f in this case ..). Is there any way to make gnuplot use say
> "w" 
> rather than "x", where w=2.0*pi*x, rather than defining
> 
> w=2.0*pi*x
> 
> and writing
> 
> XL(x)=w(x)*L
> 
> Thank you very much for looking into this,
> take care
> 
> 
> 
> 
> Dieter Jurzitza
> 

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Re: [Gnuplot-info] Questions

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

if - like in your case - the tics label string and the tics
position are the same, don't specify the label string:

set y2tics add (-90, 90)


Dr. Ing. Dieter Jurzitza wrote:
> 
> Dear listmembers,
> recently I detected an issue with gnuplot someone might be able to help me 
> with:
> 
> I am using the y2-axis for angle plotting. I say:
> 
> y2range[-90:90]
> set y2tics
> set y2tics add ("-90" -90, "90" 90)
> 
> now, the "-90" value looks ok, the "90" value sits too close to the axis 
> (compared to the rest of the y2-axis labels). This is the case for both
> the 
> postscript and the wxt - terminal. The solution is to modify the "set
> y2tics  
> add" - command:
> 
> set y2tics add ("-90" -90, " 90" 90)
> i. e. add a blank in front of "90".
> 
> This behaviour shows in both gnuplot 4.2.5 and in 4.3.0 from March
> timeframe.
> 
> ...
> 
> Thank you very much for looking into this,
> take care
> 
> 
> 
> 
> Dieter Jurzitza
> 

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Re: [Gnuplot-info] Plot several files

[arvin m. <arv...@ya...>]

Ya Great It works.

But my problem is that my files name contains decimal point that is out_1.0.dat, out_1.5.dat, out_2.0.dat, out_2.5.dat ........

Now when I try to increase counter by 0.5 it shows me error......

"loop.plt", line 2: internal error : STRING operator applied to non-STRING type

What to do ?????

--- On Fri, 9/25/09, Thomas Sefzick <t.s...@fz...> wrote:

From: Thomas Sefzick <t.s...@fz...>
Subject: Re: [Gnuplot-info] Plot several files
To: gnu...@li...
Date: Friday, September 25, 2009, 6:27 PM


have a look at this thread:
http://www.nabble.com/read-and-plot-a-lot-of-files-with-consecutive-numbering-td19272692.html


arvindmer wrote:
> 
> I have 100 data files named as 1.0.dat, 1.5.dat ..... 99.5.dat, 100.0.dat
> I want a gnuplot script to plot then in different ps (post script) files
> (100 ps files).
> Plz help
> Thanks in advance ....
> 
> 
>       
> ------------------------------------------------------------------------------
> Come build with us! The BlackBerry&reg; Developer Conference in SF, CA
> is the only developer event you need to attend this year. Jumpstart your
> developing skills, take BlackBerry mobile applications to market and stay 
> ahead of the curve. Join us from November 9-12, 2009. Register
> now!
> http://p.sf.net/sfu/devconf
> _______________________________________________
> Gnuplot-info mailing list
> Gnu...@li...
> https://lists.sourceforge.net/lists/listinfo/gnuplot-info
> 
> 

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------------------------------------------------------------------------------
Come build with us! The BlackBerry&reg; Developer Conference in SF, CA
is the only developer event you need to attend this year. Jumpstart your
developing skills, take BlackBerry mobile applications to market and stay 
ahead of the curve. Join us from November 9-12, 2009. Register now!
http://p.sf.net/sfu/devconf
_______________________________________________
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Gnu...@li...
https://lists.sourceforge.net/lists/listinfo/gnuplot-info



      

[Gnuplot-info] scale down a single plot relative to the size of 'canvas'

[baalkikhaal <col...@gm...>]

hello,
as per 4.2 doc 
set term 5#5terminal_type6#6 size 5#5XX6#6, 5#5YY6#6 controls the size of
the output file, or canvas
set size 5#5XX6#6, 5#5YY6#6 scales the plot itself relative to the size of
the canvas
set terminal postscript {size <XX>{unit},<YY>{unit}}
The default size for postscript output is 10 inches x 7 inches.

so i did

set terminal postscript size 10.0,10.0 mono 
set size 0.5,0.5
set output "plot1.ps"
#set multiplot
#set size 0.5 ,0.5
plot "plotable.dat" using 1:2 title "bu" wi li 
#unset multiplot

to plot in one fourth area of the graph, but instead 'canvas' is decreased
to 0.5,0.5 but instead on doing


set terminal postscript size 10.0,10.0 mono 
#set size 0.5,0.5
set output "plot1.ps"
set multiplot
set size 0.5 ,0.5
plot "plotable.dat" using 1:2 title "bu" wi li 
unset multiplot

gnuplot works as desired. 
my question is it necessary to be in multiplot mode when dealing with
scaling or am i missing the concept of 'canvas'?

sincerely,
sreekar guddeti
India
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Re: [Gnuplot-info] Best way to plot lines with variable color?

[Jim K. <jek...@kl...>]

Jim Kleckner wrote:
 > What would be the recommended way to plot line segments with varying
 > color (a multicolored single line plot)?
 >
 > The 4.2 documentation says that "rgbcolor variable" "is only available
 > in 3D plotting mode (splot)".
 >
 > The 4.3 documentation doesn't mention this restriction.
 >
 > Can 4.3 take the color of line segments from a column of data?
 >
 > Is there any way to do this simply (or not) in 4.2.5?
 >
 > Thanks!


I got around to compiling the CVS/4.3 version of Gnuplot
and line segments do work with color.

However the demo script below works for png files but
gives the following error for pdf files:
  fatal exception: [2100] PDF_lineto: Function must not be called in 
'page' scope

Anyone run into this or suggest where to start?

I'm running:
   gnuplot from cvs sources as of today.
   PDF-Lib-Lite-7.0.4p4 (updated to freshest to test this)
   CYGWIN_NT-5.1 kleckner2 1.5.25(0.156/4/2) 2008-06-12 19:34 i686 Cygwin

Thanks!

PS, I'm still curious if someone knows of a way to plot 2D line segments
with color even in 4.2 gnuplot.



============= greenblackred.dem =============
#
# colorspec demo for line segments
#
# greenblackred.dat:
# 1	0	65280
# 2	1	0
# 3	0	16711680
# 4	1	0
# 5	0	65280
# 6	1	0
# 7	0	16711680
# 8	1	0
# 9	0	65280
#
set terminal png
set output "greenblackred.png"
reset
set xrange [ 0 : 10 ]
#plot 'greenblackred.dat' using 1:2 with lines                     title 
"simple sawtooth"
plot 'greenblackred.dat' using 1:2:3 with lines lc rgb variable   title 
"variable sawtooth"
set terminal pdf
set output "greenblackred.pdf"
plot 'greenblackred.dat' using 1:2 with lines                     title 
"simple sawtooth"
plot 'greenblackred.dat' using 1:2:3 with lines lc rgb variable   title 
"variable sawtooth"

[Gnuplot-info] Questions

[Dr. I. D. J. <die...@t-...>]

Dear listmembers,
recently I detected an issue with gnuplot someone might be able to help me 
with:

I am using the y2-axis for angle plotting. I say:

y2range[-90:90]
set y2tics
set y2tics add ("-90" -90, "90" 90)

now, the "-90" value looks ok, the "90" value sits too close to the axis 
(compared to the rest of the y2-axis labels). This is the case for both the 
postscript and the wxt - terminal. The solution is to modify the "set y2tics  
add" - command:

set y2tics add ("-90" -90, " 90" 90)
i. e. add a blank in front of "90".

This behaviour shows in both gnuplot 4.2.5 and in 4.3.0 from March timeframe.

Secondly, I often use expressions with omega, say omega=2.0*pi*x (x meaning 
the frequency f in this case ..). Is there any way to make gnuplot use say "w" 
rather than "x", where w=2.0*pi*x, rather than defining

w=2.0*pi*x

and writing

XL(x)=w(x)*L

Thank you very much for looking into this,
take care




Dieter Jurzitza

-- 
-----------------------------------------------------------

                               |
                                \
                 /\_/\           |
                | ~x~ |/-----\   /
                 \   /-       \_/
  ^^__   _        /  _  ____   /
 <°°__ \- \_/     |  |/    |  |
  ||  ||         _| _|    _| _|

if you really want to see the pictures above - use some font
with constant spacing like courier! :-)
-----------------------------------------------------------

Re: [Gnuplot-info] plotting finite differences of data

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

you need gnuplot 4.3-cvs, this version allows for "=" and "," in
expressions.

an example:

script:

reset
set xzeroaxis
xlast = xtemp = 0
plot "ts.dat" using 0:1 with linespoints, "" using (xlast=xtemp,
$0):(xtemp=$1, $1-xlast) with linespoints

datafile "ts.dat":

1
3
5
4
2
1
2
3
4
5
4
3
2
1


baalkikhaal wrote:
> 
> Hi 
> I have data x . i want to plot the finite differences x(i) - x(i-1) 'on
> the fly'( or via a preprocessing) . is there a method in gnuplot. i tried
> using awk but facing issues with array ordering in for loop
> 
> sincerely,
> sreekar guddeti
> india
> 

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[Gnuplot-info] plotting finite differences of data

[baalkikhaal <col...@gm...>]

Hi 
I have data x . i want to plot the finite differences x(i) - x(i-1) 'on the
fly'( or via a preprocessing) . is there a method in gnuplot. i tried using
awk but facing issues with array ordering in for loop

sincerely,
sreekar guddeti
india
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Re: [Gnuplot-info] parse error in reading newline character from input redirected from awk

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

sreekar guddeti wrote:
> sorry for posting the wrong data. the problem was with
> 
> plot "< awk '{if (($2 == 26) && ($3 == 160))  printf("%.2f    %.8f* \n *",$1,$6
> *
> 4/exp(log($1)*3))}' < coordinates.dat " using 1:2 wi li title "26"

That makes it even more obvious that the problem is with the quotes, and 
explains why you didn't have a problem using the same awk command in the 
shell: the outer pair of quotes doesn't appear in the shell command, and 
thus the problem with nested quotes doesn't apply.  The backslash it's 
complaining about is the one of the \n you've now put back in, and it 
gets complained about because to gnuplot's command-line parser, it 
appears outside any string.  Which it shouldn't.

You have to quote the inner "double quotes", and the backslash:

plot "< awk '{if (($2 == 26) && ($3 == 160)) printf(\"%.2f %.8f\\n\", 
$1,$6*4/exp(log($1)*3))}' coordinates.dat " using 1:2 wi li title "26"

[all on a single line]

OTOH, I would suggest to drop awk and instead do it all in gnuplot:

    plot 'coordinates.dat' u (($2==26)&&($3==160)?$1:0/0):($6*4/($1**3))

Re: [Gnuplot-info] parse error in reading newline character from input redirected from awk

[sreekar g. <col...@gm...>]

sorry for posting the wrong data. the problem was with

plot "< awk '{if (($2 == 26) && ($3 == 160))  printf("%.2f    %.8f* \n *",$1,$6
*
4/exp(log($1)*3))}' < coordinates.dat " using 1:2 wi li title "26"

and the *error* is
 invalid character \

i would be grateful for any help

sincerely,
sreekar
india


2009/9/26 Hans-Bernhard Bröker <HBB...@t-...>

> baalkikhaal wrote:
>
>> on doing
>>
>> plot "< awk '{if (($2 == 26) && ($3 == 160))  printf("%.2f    %.8f ",$1,$6
>> *
>> 4/exp(log($1)*3))}' < coordinates.dat " using 1:2 wi li title "26"
>>
>
> The second '<' doesn't serve much of a purpose, so you may want to drop it.
>
> And you'll want to re-think the quoting.  You have two pairs of "double
> quotes" which you probably want nested, but they're not.
>
>
>


-- 
Sreekar Guddeti

Re: [Gnuplot-info] parse error in reading newline character from input redirected from awk

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

baalkikhaal wrote:
> on doing
> 
> plot "< awk '{if (($2 == 26) && ($3 == 160))  printf("%.2f    %.8f ",$1,$6 *
> 4/exp(log($1)*3))}' < coordinates.dat " using 1:2 wi li title "26"

The second '<' doesn't serve much of a purpose, so you may want to drop it.

And you'll want to re-think the quoting.  You have two pairs of "double 
quotes" which you probably want nested, but they're not.

Re: [Gnuplot-info] to set precision of the tic marks to desired accuracy

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

baalkikhaal wrote:
> suppose i have to decrease precision of the data itself rather than precision
> of the  representation of data, is there a way to do it in gnuplot or should
> we rely on preprocessing with the help of awk?

gnuplot can filter on-the-fly.  Rounding is well within the limits of 
what can be done that way.

Re: [Gnuplot-info] to set precision of the tic marks to desired accuracy

[baalkikhaal <col...@gm...>]

suppose i have to decrease precision of the data itself rather than precision
of the  representation of data, is there a way to do it in gnuplot or should
we rely on preprocessing with the help of awk?

thanks  in advance 

Thomas Sefzick wrote:
> 
> 'set format', see
> http://www.gnuplot.info/docs/node182.html
> 
> 
> baalkikhaal wrote:
>> 
>> hi
>> i have data with 6 decimal places precision
>> on plotting, gnuplot, by default, rounds off the tick marks to 3 decimal
>> places precision.
>> i tried increasing lmargin indefinitely but to no use
>> 
>> is there a way to set precision of the ticks
>> 
>> thanks in advance
>> 
>> sreekar guddeti
>> india
>> 
> 
> 

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[Gnuplot-info] parse error in reading newline character from input redirected from awk

[baalkikhaal <col...@gm...>]

on doing

plot "< awk '{if (($2 == 26) && ($3 == 160))  printf("%.2f    %.8f ",$1,$6 *
4/exp(log($1)*3))}' < coordinates.dat " using 1:2 wi li title "26"

i get

line 21: invalid character \

but in shell on doing 

awk '{if (($2 == 26) && ($3 == 160))  printf("%.2f    %.8f ",$1,$6 *
4/exp(log($1)*3))}' < coordinates.dat

it is working fine....

what is the possible source of error?
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