目录
一.数据采集............................................................................................................................3
二.属性数据采集.................................................................................................................4
三.图像数据采集.................................................................................................................5
1.屏幕矢量化.......................................................................................................................5
1.1 扫描........................................................................................................................5
1.2 图像预处理............................................................................................................5
1.3 分层 .........................................................................................................................5
1.4 矢量化 ...................................................................................................................5
1.5 矢量化成果 ..........................................................................................................5
2.数字化仪 ...........................................................................................................................5
四.数据结构............................................................................................................................6
1.矢量数据结构 ..................................................................................................................6
2.栅格数据结构 ..................................................................................................................6
3.现实符号的认识..............................................................................................................7
3.1 数据模型（概念层） .........................................................................................8
3.2 数据结构（逻辑层） .........................................................................................9
3.3 数据文件格式（物理层） ................................................................................9
五.数据 .......................................................................................................................................9
1.属性数据 ...........................................................................................................................9
2.空间数据 ...........................................................................................................................9
3.空间数据的采集方法.....................................................................................................9
六.知识点与技能...............................................................................................................10
