python 四边形分割

  

   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      from sympy.geometry import ( Line, Point)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      if __name__ == '__main__':
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

          p1 = Point(10, 10)
     
    
   

    

     

    
    

     

          p2 = Point(100, 8)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

          l1 = Line(p1, p2)
     
    
   

    

     

    
    

     

          p3 = Point(100, 200)
     
    
   

    

     

    
    

     

          p4 = Point(12, 208)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

          l2_1 = Line(p1, p4)
     
    
   

    

     

    
    

     

          l2_2 = Line(p2, p3)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

          p5=Point(30,30)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

          line3 = l1.parallel_line(p5) #求平行线
     
    
   

    

     

    
    

     

          print(line3)
     
    
   

    

     

    
    

     

          new_p1= line3.args[1]
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

          new_line2= Line(p2, p1).parallel_line(p5)
     
    
   

    

     

    
    

     

          print(new_line2)
     
    
   

    

     

    
    

     

          new_p2=new_line2.args[1]
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

          new_line=Line(new_p1, new_p2)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

          print(new_line)
     
    
   

    

     

    
    

     

          line3=l2_1.intersection(new_line)  #交点
     
    
   

    

     

    
    

     

          print(line3[0].x.p/line3[0].x.q,line3[0].y.p/line3[0].y.q)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

          line3=l2_2.intersection(new_line)  #交点
     
    
   

    

     

    
    

     

          print(line3[0].x.p/line3[0].x.q,line3[0].y.p/line3[0].y.q)
     
    
   

    

     

    
    

     
 
     
    
  
 

文章来源: blog.csdn.net，作者：AI视觉网奇，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/jacke121/article/details/120610322