如何在 ArcMap 中按位置和属性选择图层?
我有一个数据集(即 shapefile),其中包含空间位置数据(坐标)和高程数据以及其他属性字段。
我想选择垂直间距至少为 200m(即 z 轴上至少相距 200m)并且彼此相距在 3km 以内的点。
目的是创建一个新的形状文件,其中包含与 1 个或多个其他点具有这种关系的所有点。
我确信这个问题有解决方案(也许根本不使用 arcmap?),但我就是找不到它。任何帮助将不胜感激。
克里斯
I have a dataset (i.e. a shapefile) containing spatial location data (coordinates) and elevation data as well as other attribute fields.
I want to select points which have at least 200m vertical separation (i.e. are at least 200m apart on the z-axis) AND are within 3km of each other.
The aim is to create a new shapefile with all points that have this relationship with 1 or more other points.
Im sure there is a solution to this problem (maybe not using arcmap at all?) but i just cant find it. any help would be greatly appreciated.
Chris
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如果您在 gis.stackexchange.com 上提出这个问题,那么您的运气会好得多。那里有更多的 ESRI 用户/程序员。事实上,我敢打赌您无需提出问题就能找到解决方案。
You are going to have much better luck asking this question in gis.stackexchange.com. Many more ESRI users/programmers there. As a matter of fact I bet you find your solution there without having to ask the question.
您可以在所有点上运行 ArcGIS Near 工具。
然后通过Z值>200m且距离值<3000m的属性点进行选择。
You can run the ArcGIS Near tool on all the points.
Then select by attribute points with Z values of >200m and distance values of <3000m.