python计算平行线

用的库：sympy

点平移：

  

   

    

     

    
    

     

      from sympy.geometry import ( Line, Point)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      if __name__ == '__main__':
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

          p1 = Point(10, 10)
     
    
   

    

     

    
    

     

          p2 = Point(100, 8)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

          ccc= p1.translate(1, 1)
     
    
   

    

     

    
    

     

          print(ccc)
     
    
  
 

python移动平行线：

p1是起点的新位置，

  

   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      from sympy.geometry import ( Line, Point)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      p1 = Point(3, 3)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      p3 = Point(2, 5)
     
    
   

    

     

    
    

     

      p4 = Point(4, 1)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      l2_1 = Line(p3, p4)
     
    
   

    

     

    
    

     

      line3=l2_1.parallel_line(p1) #== Line(Point(0, 0), Point(0, -1))
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      print(line3)
     
    
   

    

     

    
    

     
 
     
    
  
 

参考：

3D-Printing-Project/test_line.py at 6eff2181d087d93dab51b21e20835cd96275e976 · nishanthrs/3D-Printing-Project · GitHub

向量夹角：

angle_between 

垂线

perpendicular_line

点到直线距离：

distance

线段焦点：

  

   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      from sympy.geometry import ( Line, Point)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      p1 = Point(3, 1)
     
    
   

    

     

    
    

     

      p2 = Point(1, 8)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      l1 = Line(p1, p2)
     
    
   

    

     

    
    

     

      p3 = Point(2, 2)
     
    
   

    

     

    
    

     

      p4 = Point(4, 4)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      l2_1 = Line(p3, p4)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      line3=l2_1.intersection(l1)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      print(line3)
     
    
   

    

     

    
    

     
 
     
    
  
 

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/120610210