But most algorithms are memory resident, typically assuming a small data size.
大部分算法是内存驻留算法,适用于小型数据集。
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。
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。
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