Y轴右侧的多余空间 [英] Redundant space at right side of Y axis

问题描述

我正在尝试使用GNU绘图绘制一些实验数据，但是我无法弄清楚如何删除Y轴与第一个样本(第一个样本的左侧)之间的多余填充/空间:

I'm trying to make plot with GNU Plot for some data of experiments, but I cannot figure how to remove the redundant padding/space between Y axis and the first sample (left side of the first sample):

代码:

set terminal pngcairo size 800,800 enhanced font 'WenQuanYiZenHei,12'
set title "All Elements"
set xlabel "Sample"
set ylabel "Element Amounts"

set ytics nomirror
set style fill transparent solid 0.5 noborder
plot data u 2:xticlabels(1) w histograms title "K",\
     data u 3:xticlabels(1) w histograms title "Ca",\
     data u 4:xticlabels(1) w histograms title "Mg",\
     data u 5:xticlabels(1) w histograms title "Fe",\
     data u 6:xticlabels(1) w histograms title "Mn",\
     data u 7:xticlabels(1) w histograms title "Zn"

数据:

| Sample |     K |    Ca |   Mg |     Fe |    Mn |   Zn |
|--------+-------+-------+------+--------+-------+------|
| -Ca 1U | 58800 |  4800 | 2700 |  222.5 |  28.0 | 30.0 |
| -Ca 2U | 59000 |  5475 | 3200 |  105.5 |  29.5 | 35.0 |
| -Mg 1U | 57600 | 12275 | 2900 |   92.0 |  45.5 | 37.0 |
| -Mg 2U | 57200 | 13850 | 3200 |  266.0 |  59.5 | 39.0 |
|--------+-------+-------+------+--------+-------+------|
| -Ca 1D | 19700 |  1100 | 3400 | 1708.0 |  79.0 | 48.5 |
| -Ca 2D | 20900 |  1025 | 3300 | 1812.0 | 102.5 | 54.5 |
| -Mg 1D | 23200 |  3175 | 3200 |  312.0 |  49.5 | 61.0 |
| -Mg 2D | 21800 |  4325 | 2300 | 2136.0 |  86.5 | 55.5 |

推荐答案

这是因为数据中的标题行.您可以使用

That's because of the header line in the data. You can skip it with

plot data every ::1 u 2: ...

或者只是在将数据提供给gnuplot之前将其删除.

Or just remove it before feeding the data to gnuplot.

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