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Subject: Re: how to print the line title
Date: Mon, 22 Nov 2021 07:10:26 +0100
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On 21.11.2021 08:59, chao zhou wrote:
> 在 2021年11月19日星期五 UTC+8 上午12:09:31，<Buzz McCool> 写道：
>> On 11/16/2021 12:11 AM, chao zhou wrote: 
>>> when i set out the png, the line title "xx" can not show, what is the problem?
>> Can you provide more details? 
>>
>> Perhaps you can include some example code demonstrating the problem? 
>>
>> Buzz
> # setup terminal
> set term pngcairo lw 2 font "Times,14"
> set output 'band.png'
> 
> set style data dots
> set nokey
> set xrange [0: 6.365]
> set yrange [ -12 : 15]
> set arrow from  0.762,  -12 to  0.762,  15 nohead
> set arrow from  1.417,  -12 to  1.417,  15 nohead
> set arrow from  2.073,  -12 to  2.073,  15 nohead
> set arrow from  2.826,  -12 to  2.826,  15 nohead
> set arrow from  4.137,  -12 to  4.137,  15 nohead
> set arrow from  4.457,  -12 to  4.457,  15 nohead
> set arrow from  5.447,  -12 to  5.447,  15 nohead
> set arrow from  5.992,  -12 to  5.992,  15 nohead
> set arrow from  6.365,  -12 to  6.365,  15 nohead
> set xtics (" G "  0.00000," X "  0.762," P "  1.417," N "  2.073," G "  2.826," M " 4.137," S|S_0 " 4.457, " G|X " 5.447," R|G " 5.992," M " 6.365 )
>  plot "BAND.dat" u 1:2  with lines title "dftu","2" u 1:2 with lines title "hse"
> # flush output
> set output
> 
> this is my code , but the title can not be  printed in the png . how to deal with it.
> 

The title in the plot command is used in the key, but you use "nokey".
If you use "set key" instead of "set nokey" than your "line titles" will
be displayed in the key.

Jörg