parallax occlusion map是应用在计算机图形中的一项重要技术。该技术通过建立和利用描述物体表面的高度的height texture来模拟物体表面复杂的模型，以减少场景中多边形的数目，从而降低了性能的损耗。-parallax occlusion map is used in computer graphics.This is an important technology. Through the establishment and use of the technology d

已输入的经纬网的点，并连线，裁减，放大缩小。-Graticule have entered the point, and connections, reduce, zoom.