area
指示节点或空簇的首选区域
类型: double, 默认值: 1.0, 最小值: >0
示例: 澳大利亚硬币，面积与价值成正比
graph {
layout="patchwork"
node [style=filled]
"5c" [area= 5 fillcolor=silver]
"10c" [area= 10 fillcolor=silver]
"20c" [area= 20 fillcolor=silver]
"50c" [area= 50 fillcolor=silver]
"$1" [area=100 fillcolor=gold]
"$2" [area=200 fillcolor=gold]
}- 节点
- 簇
注意: 仅限 patchwork。