Re: [Gnuplot-info] help requested creating histogram - error

[Hans-Bernhard Bröker <HBBroeker@t-...>]

melysion wrote:
> I am using gnuplot 4.0. 

There's no good reason left to stick with such an outdated version.

Upgrade to a current version (4.2 pl 4) before you try anything else.

[Gnuplot-info] Storing point from data file in variable

[Jeremy Conlin <jeremit0@gm...>]

I have a file containing all my data.  I can  easily plot that data.  I need
to store the first data point in a particular column so I can place a label
at that point.  Can someone show me how to do this?
Small example:
# ----------------------------------
x1 = # Get data from file
y1 = 1.0

set label "Hello" at x1, y1 right
# -----------------------------------

Thanks,
Jeremy

[Gnuplot-info] help requested creating histogram - error

[melysion <alisoncuff@ya...>]

Hi there

I don't use gnuplot very often, so don't know anything beyond the basics.
I've recently been asked to modify a plot that I created using gnuplot a
while back

Heres the script

set terminal postscript enhanced color
set output 'pic.ps'
set autoscale                        # scale axes automatically
set xlabel "Number of SSGs" font "Helvetica,15"
set xrange [-0.5 : 11.5]
set x2range [-0.5 : 11.5]
set yrange [0.0 : 310  ] noreverse nowriteback
set ylabel "Number of items" tc lt 1 font "Helvetica,15"
set y2range [0.0 : 540000 ] noreverse nowriteback
set y2label "Population in 2" tc lt 2 font "Helvetica,15"
set ytics nomirror font "Helvetica,12"
set y2tics nomirror font "Helvetica,12"
set xtics nomirror font "Helvetica,12"
set tics out
set style data histogram
set style histogram cluster gap 1
set style fill solid border -1
plot "final.csv" using 2:xtic(1) title col fs solid lc rgb "blue", '' using
3 title col fs solid lc rgb "pink" axes x2y2

When I try to run it, I get the following error

set style data histogram
                                 ^
         "simax_eap_genome.gnuplot", line 15: expecting 'lines', 'points',
'linespoints', 'dots', 'impulses',
        'yerrorbars', 'xerrorbars', 'xyerrorbars', 'steps', 'fsteps',
        'histeps', 'filledcurves', 'boxes', 'boxerrorbars',
'boxxyerrorbars',
        'vectors', 'financebars', 'candlesticks', 'errorlines',
'xerrorlines',
        'yerrorlines', 'xyerrorlines', 'pm3d'


I am using gnuplot 4.0. I think that at one time, I was using gnuplot 4.1
(I've changed computers since) which I guess might cause some problems. I've
never had this error before so am a bit confused.


Also, I'm not sure how to specify the colours of the bars. Is the code below
correct?

plot "final.csv" using 2:xtic(1) title col fs solid lc rgb "blue", '' using
3 title col fs solid lc rgb "pink" axes x2y2

Thanks in advance for your help!
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Re: [Gnuplot-info] Several horizontal lines

[Thomas Sefzick <t.sefzick@fz...>]

simpler ways - 'outside' gnuplot, maybe, but 'inside', i don't think so,
because you read y-values in, which are then to be used as constant
functions after reading them in, that's somehow a 'misuse' of gnuplots
plotting mechanism.

'outside' gnuplot, e.g.:

load "< awk --field-separator \",\" 'BEGIN {temp = sprintf(\"plot\")} {if
(NR>1) temp = temp \",\" ; temp = temp $2 \" title \" \"\\\"\" $1 \"\\\"\"}
END{print temp}' ts.dat"


Daniel Clemente-2 wrote:
> 
> 
> Thanks, this exactly parses the file. It will also be a good exercise to
> understand that.
> 
>   I supposed there would be a simpler way to do this in gnuplot. It is a
> common graph.
> 
>> you need gnuplot 4.3-cvs
>> 
>> set datafile separator ","
>> t=""
>> plot for [i=0:4] 'ts.dat' us
>> ((i==0&&$0==0)?(b=$2,t=stringcolumn(1)):99 ,
>> $0==0?(a=b):99, $0==(i+1)?(b=$2,t=stringcolumn(1)):99 ,
>> $0):(a) with lines
>> title t
>> 
>> 
> 
> 
> 
>       
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Re: [Gnuplot-info] Several horizontal lines

[Daniel Clemente <dcl441-bugs@ya...>]

Thanks, this exactly parses the file. It will also be a good exercise to understand that.

  I supposed there would be a simpler way to do this in gnuplot. It is a common graph.


> you need gnuplot 4.3-cvs
> 
> set datafile separator ","
> t=""
> plot for [i=0:4] 'ts.dat' us
> ((i==0&&$0==0)?(b=$2,t=stringcolumn(1)):99 ,
> $0==0?(a=b):99, $0==(i+1)?(b=$2,t=stringcolumn(1)):99 ,
> $0):(a) with lines
> title t
> 
> 



      

Re: [Gnuplot-info] space needed for my Plots

[Markus Feldmann <feldmann_markus@gm...>]

Markus Feldmann schrieb:
> i forgot to attach my file. :-)

ok i don't know why but the attachment doesn't work. Herer is a link.
http://img95.imageshack.us/img95/6950/analysisband1beispiel.th.jpg

Re: [Gnuplot-info] space needed for my Plots

[Markus Feldmann <feldmann_markus@gm...>]

i forgot to attach my file. :-)

regards Markus

[Gnuplot-info] space needed for my Plots

[Markus Feldmann <feldmann_markus@gm...>]

Hi All,

i am plotting some graphs with:
reset
set encoding iso_8859_15
file = 'analysisfilterbank.dat'
set terminal postscript enhanced color font 'arial' 8
set output 'analysis-band1.eps'
set xlabel "Frequency/Hz -------->"
set ylabel "Amplituide/dB ------->"
set grid
plot file index 0 using ($1):($2) title "A)Band1" with lp,\
      file index 1 using ($1):($2) title "B)Band2" with lp,\
      file index 2 using ($1):($2) title "C)Band3" with lp

but my X-labelling is cut off.
How to correct this ?
How to make some extra space around my graph ?
I attach on of my ploted files.

thanks and regards Markus