## 编译环境 操作系统 * [x] Windows 10 * [ ] macOS * [ ] Linux `若需勾选，请把[ ]改成[x]` Tex发行版 * [x] TexLive 2020 * [ ] MikTeX `版本号` * [ ] CTeX `若需勾选，请把[ ]改成[x]` ## 我的问题 `rotate=90` 旋转选项和 `below=1em` 相对位置选项在添加 `positioning` 程序库前后效果不一。希望效果是在 `positioning` 程序库的加持下，仍能保持图 1 的效果。 ```tex \documentclass[tikz]{standalone} % \usetikzlibrary{positioning} \tikzset{rotatetext/.style={ rotate=90,below=1em,minimum width=3cm,draw=#1,fill=#1!30 }} \begin{document} \begin{tikzpicture} \node[rotatetext=red] (a) {aaaaaaaaaa}; \node[rotatetext=blue] (b) at (a.south) {bbbbbbbbbb}; \node[rotatetext=green] (c) at (b.south) {cccccccccc}; \end{tikzpicture} \end{document} ```  添加 `positioning` 程序库后，3个 `node` 错位。 ```tex \documentclass[tikz]{standalone} \usetikzlibrary{positioning} \tikzset{rotatetext/.style={ rotate=90,below=1em,minimum width=3cm,draw=#1,fill=#1!30 }} \begin{document} \begin{tikzpicture} \node[rotatetext=red] (a) {aaaaaaaaaa}; \node[rotatetext=blue] (b) at (a.south) {bbbbbbbbbb}; \node[rotatetext=green] (c) at (b.south) {cccccccccc}; \end{tikzpicture} \end{document} ```  不为 `below` 选项指定距离后，`node` 的错位消失 ```tex \documentclass[tikz]{standalone} \usetikzlibrary{positioning} \tikzset{rotatetext/.style={ rotate=90,below,minimum width=3cm,draw=#1,fill=#1!30 }} \begin{document} \begin{tikzpicture} \node[rotatetext=red] (a) {aaaaaaaaaa}; \node[rotatetext=blue] (b) at (a.south) {bbbbbbbbbb}; \node[rotatetext=green] (c) at (b.south) {cccccccccc}; \end{tikzpicture} \end{document} ```