Gnuplot xticlabels有几行 [英] Gnuplot xticlabels with several lines

问题描述

如果我添加了xticlabel，它在第二行的中间使用了3行gnuplot剪切. 有什么方法可以让xticlabels包含几行?

if I add a xticlabel that uses 3 lines gnuplot cuts at the middle of the second line. Is there any method to have xticlabels with several lines?

这是我的数据文件:

"[17h30,19h00] 25" 1
"[03h30,10h00] 21" 1
"[03h00,12h00] 26" 2
"[18h00,19h30] 27" 3
"[20h30,22h00] 25" 4
"[13h00,14h30] 25" 4
"[19h30,21h30] 25" 5
"[14h30,16h00] 25" 5
"[16h30,18h00] 25" 5
"[09h30,15h00] 25" 9

这是我的gnuplot代码:

And this is my gnuplot code:

set terminal postscript eps color
set output '| epstopdf --filter --outfile=hist.pdf'
set auto x
set yrange [0:10]
set style histogram clustered
set boxwidth 0.95 relative
set style fill transparent solid 0.5 noborder
plot 'hist.dat' using 2:xticlabels(1) with boxes lc rgb'blue90' notitle

最后这是生成的图形:

推荐答案

潜在问题1:xtics重叠

您可以选择一些方法来解决xtic问题.

Potential Problem 1: xtics overlap

You have a few options to help fix the xtic problem.

set xtics rotate by -45

这将设置xtics以从左上角到右下角的角度打印.

This will set the xtics to print at an angle from top-left to bottom-right.

set xtics font ",4"

您可以使字体变小但不可读.

You could make the font size tiny but unreadable.

set style histogram gap 4

4)更改数据文件

如果您可以控制数据文件，则可以尝试在xtic标签中插入一些换行符，例如

4) Change the data file

If you have control over the data file, you could try inserting some newlines into the xtic labels, e.g.

"17h30\n19h00\n25" 1

潜在问题2:xtics一般时间太长

我不太确定您的问题，但您可能会遇到

Potential Problem 2: xtics too long in general

I'm not quite sure from your question, but you may be running into this issue. Gnuplot has a built-in limit for the number of characters in a label, which is set to 50 in older versions of gnuplot and is 200 more recently. The post I linked to includes a workaround, which is to compile a version of gnuplot with an increased MAX_ID_LEN constant.

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