The high accuracy raster generating algorithm adopted is very effective which can be approved by many experiments and can be used in the real three-dimension reconstruction application.
采用高精度光栅生成的算法，经过大量的实验证明是非常有效的，完全能应用在实际的三维重建和测量中。
2
The algorithm of transferring vector polygon to raster data is one of the basic algorithms of GIS.
矢量多边形的栅格化算法是地理信息系统的基础算法之一。
3
In the general ellipse - generating algorithm for raster - pixel, there are always multiplication and square root operating in the main iteration loop, so the calculating cost is more expensive.