The methods to obtain the Digital Terrain Model (DTM) from contour map by scandigitizing were studied.
本文还研究了通过扫描数字化等高线图建立数字地形模型的方法。
2
In the process of GIS scandigitizing, there are many errors including systematic errors and gross errors in the obtained data.
在对GIS扫描数字化过程中，所采集的数据里经常含有系统误差和异常误差。
3
So Google asserts in defending its right to scan copyrighted materials. The process of digitizing books transforms them, the company contends, into something else;