【摘要】 在对比地理信息系统的空间信息服务和可视化技术的最新研究进展和发展趋势的基础上,对数字航道空间信息服务和可视化技术研究的发展进行综述,分析数字航道空间信息服务和可视化研究存在的问题和不足,并展望未来研究的发展趋势.更多还原

【Abstract】 Based on the comparison with the latest research progress,the development trend of spatial information service and visualization technology in the geographic information system,the research on spatial information service and visualization technology of digital waterway were reviewed,the existing problems and deficiencies were analyzed,and the development trend of future research was prospected.更多还原