问题描述
我正在寻找一种在地块上添加小图标的方法，例如OK或KO符号，标志，箭头等.
I am looking for a way to add small icons on the plot, like OK or KO symbols, flags, arrows and such.
到目前为止，我已经看到了一个示例，您可以在其中添加背景图像，但实际上并没有允许我在绘图上设置点的方法，就像我可以对标签进行操作并在其中应用图标一样.
So far I've seen an example where you can add a background image, but nothing that actually allow me to set a point on the plot, like I could do with a label, and apply there an icon.
有办法吗?
推荐答案
叫我沉迷，但像往常一样，可以使用epslatex终端完成，使用set label语句嵌入图像，就像在常规乳胶中一样.如果您的图像是so-icon.png，则在gnuplot中执行:
Call me obsessive but as usual this can be done with the epslatex terminal, embedding the image using a set label statement as you would do in regular latex. If your image is so-icon.png, then within gnuplot do:
set terminal epslatex standalone header "\\usepackage{graphicx}"
set output "plot.tex"
set label at screen 0.5,0.5 '\includegraphics{so-icon.png}'
plot sin(x)
现在运行pdflatex
pdflatex plot.tex
您的输出将被命名为plot.pdf，如下所示:
Your output will be named plot.pdf and look like this:
将标签的位置(help set label了解更多信息)更改为所需的位置.您还可以使用\includegraphics{}的格式设置选项，例如\includegraphics[width=2cm]{}用于图像的2厘米宽版本(对不起，我没有英寸！).
Change the positioning of the label (help set label for more info) to wherever you want. You can also use the formatting options of \includegraphics{}, for example \includegraphics[width=2cm]{} for a 2cm wide version of your image (sorry, I don't do inches!).
请注意，如果要嵌入PNG，JPEG，GIF，PDF等，则需要pdflatex命令，您不能将常规latex用于这些内容.
Note that if you want to embed PNG, JPEG, GIF, PDF and so on, the pdflatex command is required, you cannot use regular latex for those.
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