基于ArcGIS镶嵌数据集的正射影像数据库构建方法初探

数字正射影像数据具有直观、信息量大、覆盖面广和经济、方便、获取快速等优点,是我国基础地理信息数据库的重要内容。本文讨论了基于ArcGIS镶嵌数据集栅格模型构建数字正射影像数据库的一些基本问题。首先对近年来的影像空间数据库技术进行了梳理,然后基于ArcGIS镶嵌数据集模型提出了数字正射影像数据库构建方法,其中对影像入库涉及的栅格数据存储模型、建库步骤、相关参数等问题进行了分析与探讨。最后,开展了海南省某测区小型正射影像数据库构建试验,通过试验证明了文中方法的可用性与可靠性。

A Preliminary Study on Constructing DOM Database Using ArcGIS Mosaic Dataset

Digital Orthographic Map （DOM） has the advantages of good visual Presentation, rich information wide coverage, economy, convenience and quick acquisition to be important contents of fundamental geodatabase of our country. This paper discussed several basic issues about constructing DOM database using ArcGIS mosaic dataset raster model. Firstly, imagery database technologies of recent years were reviewed. Then, a method of constructing DOM database using ArcGIS mosaic dataset model was introduced. Next, we discussed the raster data storing model, the process of constructing database and correlated parameters about importing DOM data into image database. Finally, a small DOM database of one survey area in Hainan Province was constructed, which well proved the availability and reliability of the database constructing method.