基于ArcGIS的国土三调不一致图斑提取方法

Inconsistent Map Spot Extraction Method in the Third Detailed Land Investigation Nationwide Based on ArcGIS

不一致图斑是第三次全国国土调查工作最重要的调查对象,也是国家核查的主要内容。如何在初始调查阶段快速提取和发现不一致图斑,是开展外业调查、实地举证、各级检查以及成果分析的重要基础。本文结合榆中县第三次国土调查实际工作,探讨如何利用ArcGIS软件相关工具快速识别和提取各类不一致图斑,为后续各项工作的开展提供指引和参考。

Inconsistent map spot is the most important respondent in the Third Detailed Land Investigation Nationwide and the major content of national verification.The way to quickly extract and find the inconsistent map spot in the beginning of investigation is the significant base of the field survey,providing proof on the spot,all kinds of inspections and analysis of result.The essay combines the Yuzhong county’s actual work in the Third Detailed Land Investigation Nationwide and discusses how to use the ArcGIS software and relevant tool to quickly identify and extract all kinds of inconsistent map spot to provide guides and references to all follow-up works.