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How to generate dotted lines?

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  How to generate dotted lines? Bengt T <bengt_tornqvist@hotmail.com> - 2020-04-01 06:42 -0700
    Re: How to generate dotted lines? Karl Ratzsch <mail.kfr@gmx.net> - 2020-04-01 23:56 +0200
      Re: How to generate dotted lines? Bengt T <bengt_tornqvist@hotmail.com> - 2020-04-02 01:06 -0700
        Re: How to generate dotted lines? Jörg Buchholz <bookwood4new@freenet.de> - 2020-04-02 11:53 +0200
          Re: How to generate dotted lines? Bengt T <bengt_tornqvist@hotmail.com> - 2020-04-02 08:45 -0700
            Re: How to generate dotted lines? Jörg Buchholz <bookwood4new@freenet.de> - 2020-04-02 20:08 +0200
          Re: How to generate dotted lines? Bengt T <bengt_tornqvist@hotmail.com> - 2020-04-02 08:58 -0700

#4308 — How to generate dotted lines?

Width gnuplot 5.2 I wish to generate plots into png files.

I succeed in changing line colors and widths for continuous lines. However not to generate dotted lines.

Is this not implemented for png outputs or what am i missing?

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#4309

Am 01.04.2020 um 15:42 schrieb Bengt T:
> I succeed in changing line colors and widths for continuous lines. However not to generate dotted lines.
> 
> Is this not implemented for png outputs or what am i missing?


Does "dashtype"

     plot x**2 w l dt 0

not give what you´re looking for? You see more dashtypes with the
"test" command.

    Karl

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#4310

> 
> Does "dashtype"
> 
>      plot x**2 w l dt 0
> 
> not give what you´re looking for? You see more dashtypes with the
> "test" command.
> 
>     Karl

Yes it works for dt -1 and dt 0. However still not for dt 1 to dt 19 of the rightmost part of the "test" command.

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#4311

On 02.04.2020 10:06, Bengt T wrote:
> 
>>
>> Does "dashtype"
>>
>>      plot x**2 w l dt 0
>>
>> not give what you´re looking for? You see more dashtypes with the
>> "test" command.
>>
>>     Karl
> 
> Yes it works for dt -1 and dt 0. However still not for dt 1 to dt 19 of the rightmost part of the "test" command.
> 

Which terminal do you use? The pngcairo terminal is the good one for png
output.


set term pngcairo size 1200,900
set out 'dt.png'
plot for [i=1:20] sin(x+i) w l dt i t "dt".i
set out


Jörg

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#4312

> 
> set term pngcairo size 1200,900
> set out 'dt.png'
> plot for [i=1:20] sin(x+i) w l dt i t "dt".i
> set out
> 
> 
> Jörg

Works fine with datatype 1 to 5. dt 1 to 5 lines are repeated, with other colors, for dt 6 to 20.

How to generate lines with symbols according to the right hand side of the "test" output?

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#4314

On 02.04.20 17:45, Bengt T wrote:
> 
> 
>>
>> set term pngcairo size 1200,900
>> set out 'dt.png'
>> plot for [i=1:20] sin(x+i) w l dt i t "dt".i
>> set out
>>
>>
>> Jörg
> 
> Works fine with datatype 1 to 5. dt 1 to 5 lines are repeated, with other colors, for dt 6 to 20.
> 
> How to generate lines with symbols according to the right hand side of the "test" output?
> 

There are only 5 different dashtypes predefined. You can add more by
your own. See "help dashtype".

Examples:
plot f(x) dt 3            # use terminal-specific dash pattern 3
plot f(x) dt ".. "        # construct a dash pattern on the spot
plot f(x) dt (2,5,2,15)   # numerical representation of the same pattern
set dashtype 11 (2,4,4,7) # define new dashtype to be called by index
plot f(x) dt 11           # plot using our new dashtype

Jörg

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#4313

> 
> set term pngcairo size 1200,900
> set out 'dt.png'
> plot for [i=1:20] sin(x+i) w l dt i t "dt".i
> set out
> 
> 
> Jörg

Works fine.

Thank you all who contributed.

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