Graphviz Gallery
https://graphviz.org/gallery/
https://graphviz.gitlab.io/gallery/
Layout
About / Graph Visualization / Layout
Node
Node Shapes/Styles for Nodes
节点样式（style=）：filled, invisible, diagonals, rounded, dashed, dotted, solid, bold
边框（Border）样式
Node Shapes/Polygon-based Nodes
边框形状（shape=）：box; point; plaintext; plain; triangle; …
How can I hide the node boundary in graphviz?
去除边框：node [shape=plaintext]
背景（Background）填充
why doesn’t fillcolor work with graphviz? – Stack Overflow
nodeEdge0 [fixedsize=true,shape=diamond,label=".Nojjjj label.", fillcolor=red, style=filled]
字体（Font）配置
doxygen – how to change default font size for graphviz? – Stack Overflow
strict digraph {
graph [ bgcolor=lightgray, resolution=128, fontname=Arial, fontcolor=blue, fontsize=12 ];
node [ fontname=Arial, fontcolor=blue, fontsize=11];
edge [ fontname=Helvetica, fontcolor=red, fontsize=10 ];
}
Edge
方向（dir=）：back; both; …