__init__.py 文件源码

def _clipcircle(self,ax,coll):
        c = Circle((0.5*(self.xmax+self.xmin),0.5*(self.ymax+self.ymin)),
            radius=0.5*(self.xmax-self.xmin),fc='none')
        if c not in ax.patches:
            p = ax.add_patch(c)
            p.set_clip_on(False)
        try:
            coll.set_clip_path(c)
        except:
            for item in coll:
                item.set_clip_path(c)
        return coll,c