allegro里面画圆形route keepout

allegro里面怎么画圆形route keepout?
菜单栏 add->rectangle  , option里可以选route keepout
菜单栏 add->circle  ,  option里不可以选route keepout
难道不能画圆形route keepout?

行啊。

用shape的命令……

话KEEP OUT和KEEP IN都应该用shape