In [1]:

    

%matplotlib inline


    

In [2]:

    

from catplot.grid_components.nodes import Node2D


    

In [3]:

    

node1 = Node2D([0.0, 0.0])


    

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node2 = Node2D([1.0, 1.0])


    

In [5]:

    

from catplot.grid_components.edges import Arrow2D


    

In [6]:

    

arrow = Arrow2D(node1, node2)


    

In [7]:

    

from catplot.grid_components.grid_canvas import Grid2DCanvas


    

In [8]:

    

canvas = Grid2DCanvas()


    

In [9]:

    

canvas.add_edge(arrow)  # 这里依旧使用add_edge添加到画布中


    

In [10]:

    

canvas.draw()


    

In [11]:

    

canvas.figure


    

    
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