标记单个数据点gnuplot [英] Labelling individual data points gnuplot

问题描述

只是想习惯gnuplot.我在此站点上搜索了几页以寻找答案，阅读了文档(4.6)，但仍未找到答案.说我有一个像这样的数据文件:

Just trying to get used to gnuplot. I searched a few pages on this site looking for the answer, read the documentation (4.6), and still haven't found the answer. say I have a data file like this:

0.0 0
1.0 25
2.0 55
3.0 110
4.0 456
5.0 554
6.0 345

，我想标记图中的所有数据点.我该怎么做呢?我尝试了此建议plot 'exp.dat' u 1:2 w labels point offset character 0,character 1 tc rgb "blue"，但是没有用.它给了我Not enough columns for this style的答复.我确定这是我在做的事，但不确定该怎么做.任何帮助，将不胜感激.谢谢.

and I want to label all the data points on the plot. How do I do this? I tried this suggestion plot 'exp.dat' u 1:2 w labels point offset character 0,character 1 tc rgb "blue" but it didn't work. It gave me a Not enough columns for this style response. I'm sure it's something I'm doing but I'm not sure what. Any help would be appreciated. Thanks.

推荐答案

我认为您缺少标签的字符串.你可以做

I think you are missing strings for labels. You can do

flabel(y)=sprintf("y=%.2f", y)
plot '-' u 1:2:(flabel($2)) w labels point offset character 0,character 1 tc rgb "blue"
0.0 0
1.0 25
2.0 55
3.0 110
4.0 456
5.0 554
6.0 345

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