上流から下流に向かってデジタイズされた排水構造を表すラインと、その構造の両端にあるポイントがあります。ポイントは各ポリラインの端にスナップされています。スナップされているラインフィーチャクラスに、ポイントフィーチャクラスからFromおよびToのポイントID（各ポイントに一意のIDを割り当てています）を追加する方法はありますか？私はArcGIS Desktop 10.3を使用しています。<\/P>
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ありがとうございます！<\/P><\/BODY><\/HTML>
Well you could at least add the attributes of the start and end points of the lines using
Add Geometry Attributes—Help | ArcGIS for Desktop
then a spatial join, might be good methods to co-locate the data
That would work except I have one point connected to multiple pipes. So one point could represent both upstream and downstream depending on the pipe it's connected to.
it depends on which way you do the join, point to polylines or polylines to point with a spatial join. There are also several options to control how is is done, which geometries are replicated and what attributes are kept. Spatial Join—Help | ArcGIS for Desktop
sometimes you need to combine spatial joins with attribute joins to get the data in the format you want....barring that, it is code time, but invest in the tools that are available, since your situation is not unique I am sure of that.
PS I didn't look at linear referencing tools and I can't remember offhand whether there may be something useful there.
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