animate_entity_nodes.py 文件源码

def redraw(self, origin, scale):
        for node in self.nodes:
            if isinstance(node, Annotation):
                node.xy = self.tr(node.xy, origin, scale)
                if hasattr(node, "xyann"):
                    node.xyann = self.tr(node.xyann, origin, scale)
            elif isinstance(node, Line2D):
                newpos = self.tr(node.get_xydata(), origin, scale)
                node.set_xdata(newpos[:, 0])
                node.set_ydata(newpos[:, 1])
            else:
                raise TypeError("Don't know how to morph : %s" % node)
        self.origin = origin
        self.scale = scale