gnuplot-info

[Gnuplot-info] I want delete the origin labels in a plot and add only one point

[tobal <lop...@gm...>]

Hi, i'm using this code:

set title 'Rectas Secantes'
set xrange [-4:5]
set yrange [-4:4]
set size ratio 1.0
set xzeroaxis lt 3 lw 2.0 lc rgb 'black'
set yzeroaxis lt 3 lw 2.0 lc rgb 'black'
set border 0
set xtics axis
set ytics axis
set format xy '%.0f'
set xlabel 'y' tc rgb 'blue'
set ylabel 'x' rotate by 360 center tc rgb 'blue'
set tics scale 0.5
set label 1 'P(3,1)' at 2.5, 1.5 tc rgb 'black'
plot (9-2*x)/3 title '2x + 3y = 9' lc rgb 'red', (4-3*x)/(-5) title '3x - 5y
= 4' lc rgb 'blue'
pause -1

I want delete the origin label point, i.e, (0,0)
I want add the only Point (3,1), too

I adjoint an image
<http://gnuplot.10905.n7.nabble.com/file/n17387/rectassecantes.png> 

Thanks for your help 



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Re: [Gnuplot-info] I want delete the origin labels in a plot and add only one point

[Mauricio G. <ga...@fc...>]

Tobal,

You can define the tics you want to show. In your case:

set xtics (-4, -3, -2, -1, 1, 2, 3, 4, 5)
set ytics (-4, -3, -2, -1, 1, 2, 3, 4)

instead of

set xtics axis
set ytics axis

M. Galo

----- Mensagem original -----
> De: "tobal" <lop...@gm...>
> Para: gnu...@li...
> Enviadas: Quinta-feira, 30 de Maio de 2013 7:46:01
> Assunto: [Gnuplot-info] I want delete the origin labels in a plot and add        only one point
> 
> Hi, i'm using this code:
> 
> set title 'Rectas Secantes'
> set xrange [-4:5]
> set yrange [-4:4]
> set size ratio 1.0
> set xzeroaxis lt 3 lw 2.0 lc rgb 'black'
> set yzeroaxis lt 3 lw 2.0 lc rgb 'black'
> set border 0
> set xtics axis
> set ytics axis
> set format xy '%.0f'
> set xlabel 'y' tc rgb 'blue'
> set ylabel 'x' rotate by 360 center tc rgb 'blue'
> set tics scale 0.5
> set label 1 'P(3,1)' at 2.5, 1.5 tc rgb 'black'
> plot (9-2*x)/3 title '2x + 3y = 9' lc rgb 'red', (4-3*x)/(-5) title
> '3x - 5y
> = 4' lc rgb 'blue'
> pause -1
> 
> I want delete the origin label point, i.e, (0,0)
> I want add the only Point (3,1), too
> 
> I adjoint an image
> <http://gnuplot.10905.n7.nabble.com/file/n17387/rectassecantes.png>
> 
> Thanks for your help
> 
> 
> 
> --
> View this message in context:
> http://gnuplot.10905.n7.nabble.com/I-want-delete-the-origin-labels-in-a-plot-and-add-only-one-point-tp17387.html
> Sent from the Gnuplot - User mailing list archive at Nabble.com.
> 
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Re: [Gnuplot-info] I want delete the origin labels in a plot and add only one point

[tobal <lop...@gm...>]

Thanks 
I've solved like plot only one point, here's the code solved

set multiplot
set title 'Rectas Secantes'
set xrange [-4:5]
set yrange [-4:4]
set size ratio 1.0
set xzeroaxis lt 3 lw 2.0 lc rgb 'black'
set yzeroaxis lt 3 lw 2.0 lc rgb 'black'
set border 0
set xtics axis ('-4' -4, '-3' -3, '-2' -2, '-1' -1, ' ' 0, '1' 1, '2' 2, '3'
3, '4' 4, '5' 5)
set ytics axis ('-4' -4, '-3' -3, '-2' -2, '-1' -1, ' ' 0, '1' 1, '2' 2, '3'
3, '4' 4)
set format xy '%.0f'
set xlabel 'y' tc rgb 'blue'
set ylabel 'x' rotate by 360 center tc rgb 'blue'
set tics scale 0.5
set label 1 'P(3,1)' at 2.75, 1.5 tc rgb 'black'
plot (9-2*x)/3 title '2x + 3y = 9' lc rgb 'red', (3*x-4)/5 title '3x - 5y =
4' lc rgb 'blue'
set pointsize 2.0
set style line 1 lc rgb 'black' pt 7   # circle
unset key
plot '-' w p ls 1
3 1
e
set nomultiplot

I can't delete axis in set xtics because gnuplot doesn't draw the tics in
the axes.
With multiplot and the code

set pointsize 2.0
set style line 1 lc rgb 'black' pt 7   # circle
unset key
plot '-' w p ls 1
3 1
e

I can plot only one point.






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