New answers tagged nearest-neighbor
Try using this suggestion and this tutorial. Vector -> Analysis -> Distance Matrix
Near by Group Something like this sounds like what you need. Conceptually, this question can be answered by the Near tool (what is the nearest feature?). However, the question also contains a constraint *(with the same attributes*?) that is not directly supported by the Near tool. To answer the full question additional ModelBuilder techniques must be ...
If you have ArcInfo you can run a Near analysis to calculate the distance to the nearest feature and then get the average from the NEAR_DIST field. If you don't have you may need to write a script and depending on the size of your data-sets, you may want to create a fishnet first to minimize the amount of processing time.
You could try running your point and polyline dataset through the spatial join geo-processing tool. If you set the match option to closest you can also specify a distance field which gives you the distance to the nearest polyline. From that you can do your summary statistics. So fire up desktop help and look for the spatial join tool.
Use the Con and FocalStatistics tools. Something like: Con(inraster > FocalStatistics(inraster, NbrIrregular(kernel_file), "MAX", ""), 1, 0) Where: kernel_file is a path to a text file that defines a neighbourhood that excludes the currently processed cell, something like: 3 3 1 1 1 1 0 1 1 1 1 You might also be able to do this with an annulus ...
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