Because of their advantages such as small data size, high precision, lossless scaling and easiness to manipulate, vector digital maps are the most important resources in GIS.
其中矢量形式的数字地图由于具有数据量小，精度高，可以无损缩放，便于进行各种操作等优点，是GIS中最重要的资源。
Panorama is a very useful image-based rendering technique, because of its small data size to represent virtual scenes, and high rendering speed.
全景图是基于图像绘制技术最实用的技术之一，因为它在表示虚拟场景时数据量不大，绘制速度较高。
Panorama is a very useful image-based rendering technique, because of its small data size to represent virtual scenes, and high rendering speed.
全景图是基于图像绘制技术最实用的技术之一，因为它在表示虚拟场景时数据量不大，绘制速度较高。
应用推荐