很多时候,我们需要得到矢量数据区域所对应栅格数据的像元统计值(求平均、求和等),然后将获得的统计值赋给矢量图层的属性表,在ArcGIS中操作如下:(PS:第一次写技术文章,望大家多多体谅与支持,么么哒)
1、栅格统计:统计栅格数据,按照需要(求和、求平均)用所需要的矢量数据(矢量目标图层)进行统计,(注:考虑到统计分析较为常见,第一步前期并未实例截图)。
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2.栅格转矢量:将统计出栅格图层转换为矢量点图层:Raster to Point:
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3.矢量点图层赋值:将第一步统计的栅格图层象元值赋给刚第二步转换的矢量点图层:Extract Values to Point:
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4.图层空间关联:将第三步得到的带有栅格象元值属性的点图层与矢量目标图层(第一步统计用到的矢量图层)关联 :Spatial Join:
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5.转换成功:在目标图层的属性表中既有栅格图层的象元值属性字段
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来源:https://www.cnblogs.com/tysutopia/p/4429149.html