如果两件物体隔一定距离放着，当它们被画在同一张纸平面上时，就必须改变它们的距离，那么靠近我们的一物相对来说要大一些。众所周知，这就是透视原理在绘画中运用的结果。当中国绘画尚没有很好地利用透视法的时候，六朝时的宗炳在其（画山水序）中点道：“且夫昆仑之大，瞳 If two objects are placed at a distance, when they are drawn on the same sheet of paper, they must change their distance so that something closer to us is larger. It is well known that this is the result of the use of perspective principles in painting. When Chinese painting did not make good use of the perspective of law, Zong Bing in the Six Dynasties points out in his (painting landscapes): "