FAQ: Why does the Calculate Geometry tool return negative values?
【相关信息】
Article ID: 44683
Software:
ArcGIS for Desktop Advanced 10.2, 10.1, 10.2.1, 10.2.2
ArcGIS for Desktop Basic 10.2, 10.2.1, 10.2.2, 10.1
ArcGIS for Desktop Standard 10.2.1, 10.1, 10.2, 10.2.2
Platforms:
Windows Windows 7, Windows 8, Windows 8.1
【问题描述】
Why does the Calculate Geometry tool return negative values?
Article ID: 44683
Software:
ArcGIS for Desktop Advanced 10.2, 10.1, 10.2.1, 10.2.2
ArcGIS for Desktop Basic 10.2, 10.2.1, 10.2.2, 10.1
ArcGIS for Desktop Standard 10.2.1, 10.1, 10.2, 10.2.2
Platforms:
Windows Windows 7, Windows 8, Windows 8.1
【问题描述】
Why does the Calculate Geometry tool return negative values?
1 个回复
易智瑞技术支持
赞同来自:
The Calculate Geometry tool returns negative values due to incorrect geometry in the shapefile. Outer Lines that are digitized in a clockwise direction and inner rings that are digitized in a counter-clockwise direction produce an incorrect polygon arrangement. This arrangement, also known as 'incorrect ring order', creates negative values in the shapefile.
However, users can rectify the negative values by fixing the arrangement error.
1. Run the Check Geometry tool to determine the error in the shapefile.
2. Use the Feature Class To Feature Class tool to create a duplicate copy of the original shapefile.
3. Once the duplicate file is ready, run the Repair Geometry tool in the duplicate copy of the shapefile; this fixes the copy.
【其它相关参考】
【创建及修改时间】
Created: 5/13/2015 Last Modified: 6/11/2015
【原文链接】
http://support.esri.com/en/kno ... 44683
要回复问题请先登录或注册