Understanding Geometric Processing in ArcGIS

This technical paper is for users who want a more comprehensive understanding of how ArcGIS interprets feature coordinates when making spatial decisions such as selecting features near other features on a map. It also describes how ArcGIS generates feature coordinates for new geometric objects generated from spatial operations like buffering, intersection, etc.

This paper introduces the process of geometric integration (a.k.a. cracking/clustering) in terms of how it works in vector data processing in ArcGIS. It describes how the key spatial reference properties of coordinate grid resolution and cluster tolerance affect this process. It also provides recommendations on how to choose a good cluster tolerance.

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