This painting does not use the same perspective to draw images of space and distance, is due to the painter flexibility in the use of the Cun lines and points.
此画没有用透视法照样画出物象的空间和距离，是由于画家灵活运用了皴线和点。
Design methods to select simple lines, points, lines and planes in space, the shape of elements in sharp contrast.
设计手法上选择简洁的线条，点、线、面的造型元素在空间中形成了鲜明的对比。
Drawing lines and points in 3d space still impossible with pure WPF?
画线和点在三维空间中仍然不可能与纯w PF ？
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