xoak

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Broader overview of (geo)spatial indexes and existing / possible solutions in Python

5

I did further research on spatial indexes, I add below some interesting approaches (with links) that we could experiment with (after some development effort, though). We can use this issue...

benbovy

Add k-d tree index

4

It would be interesting to test/benchmark the ball tree + haversine approach versus the kd-tree + conversion lat/lon spherical -> xyz cartersian. The second approach is also used by libpysal,...

benbovy

Getting row, col in input data array coorespointing to selection (nearest point)

2

Just found xoak which sounds like great tool. This so maybe silly question, but I am wondering if there is a way of not only returning the closest data value...

axelschweiger

Grabbing too much data when using a particular server, using `xoak.sel`

1

Hi! I am hitting a memory problem I think due to what the [docs](https://xoak.readthedocs.io/en/latest/_api_generated/xarray.DataArray.xoak.sel.html) describe for `xoak.sel` of "This triggers dask.compute() if the given indexers and/or the index coordinates are...

kthyng

Changes to optionally return distances with .sel

8

Changes include: * accessor optionally takes in a "distances_name" str with which to name the new variable in results to store calculated distances from query() * query() now returns distances...

kthyng