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| 全部作者： | 黄丽娜 郑斌 费立凡 |
| 第1作者单位： | 武汉大学资源与环境科学学院 |
| 摘要： | Since vector approach can be applied for accurate geo-processing, while raster approach is suitable for spatial analysis, the integration of raster and vector approaches has been studied for years. This paper attempts to advance a combined approach for geographic feature retrieve in a mechanism so called “raster: relation-vector: entity” combined approach. That is, using a “dimension-plus”relational raster, the topological information is examined within a foreseeable raster index time by reducing the need of calculating exact geometry of spatial objects. Such topological information is in turn to vector organization. Hence the complex geometric objects can be reconstructed using vector data within minimal time consumption. This research realizes the recognition and the rebuild of spatial entities described in geometric and semantic information based on vector data. |
| 关键词： | Raster Matrix; Vector; Object Identity; Feature Retrieve; Digitization 远程下载 (免费PDF全文) |
| 发表日期： | 2008年03月10日 |
| 同行评议： | 文章提出”栅格关系-矢量实体”结合方法来进行空间要素的构建技术。本文对这方面的研究综述较全面，条理清晰，结构较为严谨，从理论和实验对所提出的方法进行了充分论证，结果可靠。 （科教作文网http://zw.ΝsΕAc.Com编辑整理） |
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