20个包含AGraph()的随机标题（Python）

1. 使用AGraph()在Python中绘制简单的无向图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

# 创建一个空的无向图
graph = pgv.AGraph()

# 添加两个节点
graph.add_node('A')
graph.add_node('B')

# 添加一个无向边
graph.add_edge('A', 'B')

# 保存图像并显示
graph.draw('graph.png')
Image(filename='graph.png')

2. 使用AGraph()绘制带有标签的无向图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=False)

graph.add_node('A', label='Node A')
graph.add_node('B', label='Node B')
graph.add_edge('A', 'B', label='Edge')

graph.draw('graph.png')
Image(filename='graph.png')

3. 使用AGraph()绘制具有多个边的无向图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=False)

graph.add_node('A')
graph.add_node('B')
graph.add_edge('A', 'B', label='Edge 1')
graph.add_edge('B', 'A', label='Edge 2')

graph.draw('graph.png')
Image(filename='graph.png')

4. 使用AGraph()绘制带有权重的无向图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=False)

graph.add_node('A')
graph.add_node('B')
graph.add_edge('A', 'B', label='Edge', weight=3)

graph.draw('graph.png')
Image(filename='graph.png')

5. 使用AGraph()绘制带有颜色的无向图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=False)

graph.add_node('A', color='red')
graph.add_node('B', color='blue')
graph.add_edge('A', 'B', label='Edge')

graph.draw('graph.png')
Image(filename='graph.png')

6. 使用AGraph()绘制带有形状的无向图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=False)

graph.add_node('A', shape='circle')
graph.add_node('B', shape='box')
graph.add_edge('A', 'B', label='Edge')

graph.draw('graph.png')
Image(filename='graph.png')

7. 使用AGraph()绘制带有箭头的有向图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=True)

graph.add_node('A')
graph.add_node('B')
graph.add_edge('A', 'B', label='Edge')

graph.draw('graph.png')
Image(filename='graph.png')

8. 使用AGraph()绘制带有点状边的有向图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=True)

graph.add_node('A')
graph.add_node('B')
edge = graph.add_edge('A', 'B', label='Edge')
edge.attr['arrowhead'] = 'none'

graph.draw('graph.png')
Image(filename='graph.png')

9. 使用AGraph()绘制带有标签边的有向图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=True)

graph.add_node('A')
graph.add_node('B')
graph.add_edge('A', 'B', label='Edge')

graph.draw('graph.png')
Image(filename='graph.png')

10. 使用AGraph()绘制带有不同颜色的有向图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=True)

graph.add_node('A', color='red')
graph.add_node('B', color='blue')
graph.add_edge('A', 'B', label='Edge', color='green')

graph.draw('graph.png')
Image(filename='graph.png')

11. 使用AGraph()绘制带有不同形状的有向图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=True)

graph.add_node('A', shape='circle')
graph.add_node('B', shape='box')
graph.add_edge('A', 'B', label='Edge')

graph.draw('graph.png')
Image(filename='graph.png')

12. 使用AGraph()绘制带有子图的复杂有向图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=True)

with graph.subgraph() as subgraph:
    subgraph.add_node('A')

with graph.subgraph() as subgraph:
    subgraph.add_node('B')

graph.add_edge('A', 'B', label='Edge')

graph.draw('graph.png')
Image(filename='graph.png')

13. 使用AGraph()绘制带有自定义样式的图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=False)

graph.add_node('A', style='filled', fillcolor='red')
graph.add_node('B', style='filled', fillcolor='blue')
graph.add_edge('A', 'B', label='Edge', style='dotted')

graph.draw('graph.png')
Image(filename='graph.png')

14. 使用AGraph()绘制带有过滤边的图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=False)

graph.add_node('A')
graph.add_node('B')
graph.add_node('C')
graph.add_edge('A', 'B', label='Edge 1')
graph.add_edge('B', 'C', label='Edge 2')

graph.draw('graph.png')
Image(filename='graph.png')

15. 使用AGraph()绘制带有自环边的图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=False)

graph.add_node('A')
graph.add_edge('A', 'A', label='Self-loop')

graph.draw('graph.png')
Image(filename='graph.png')

16. 使用AGraph()绘制带有悬挂节点的图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=False)

graph.add_node('A')
graph.add_edge('A', 'B', label='Edge')

graph.draw('graph.png')
Image(filename='graph.png')

17. 使用AGraph()绘制带有多个子图的图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=False)

with graph.subgraph() as subgraph1:
    subgraph1.add_node('A')

with graph.subgraph() as subgraph2:
    subgraph2.add_node('B')

graph.add_edge('A', 'B', label='Edge')

graph.draw('graph.png')
Image(filename='graph.png')

18. 使用AGraph()绘制带有图名的图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(name='MyGraph', directed=False)

graph.add_node('A')
graph.add_node('B')
graph.add_edge('A', 'B', label='Edge')

graph.draw('graph.png')
Image(filename='graph.png')

19. 使用AGraph()绘制带有边界框的图

示例代码：

import pygraphviz as pgv
from IPython.display import Image

graph = pgv.AGraph(directed=False)

with graph.add_subgraph() as subgraph:
    subgraph.add_node('A')
    subgraph.add_node('B')
    subgraph.draw('subgraph.png')

graph.draw('graph.png')
Image(filename='graph.png')

20. 使用AGraph()绘制带有图属性的图

示例代码：

`

import pygraphviz as pgv

from IPython.display import Image

graph = pgv.AGraph(directed=False)

graph.graph_attr['rankdir'] = 'LR'

graph.add_node('A')

graph.add_node('B')

graph.add_edge('A', 'B', label='Edge')

graph.draw('graph.png')