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[FEA]: New notebook/demo showcasing spatial relationship predicates #1138
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harrism
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May 16, 2023
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Closes #1138 Closes #1141 [here](https://github.com/rapidsai/cuspatial/pull/1156/files#diff-c522c9afb3364b1aed2b2589c0d0c260dbc634bc54844536b1d382cecb92bf29R112) Depends on #1152 Depends on #1064 Please direct your attention [to the notebook](https://github.com/rapidsai/cuspatial/pull/1156/files#diff-cc4c516f63efa822793d75315c1b28a04bad6c9efc6fd2bdcac5cc30b05d14dd) since the dependencies and delayed state of CI issues over this week have put a lot of files into this PR. This notebook demonstrates cuSpatial's new binary predicates on large datasets, benchmarking and comparing against the host implementation on GeoPandas. In order to support the large inputs for these comparisons I had to reactivate the `pairwise_point_in_polygon` functionality that I'd previously written off. This is because quadtree doesn't support large N for NxN operations, since it is many-to-many, and brute-force would require a huge number of iterations to support such large dataframes. There are some more optimizations that can be made to speed up `pairwise_point_in_polygon`, but the algorithm itself isn't sufficiently fast. It is detailed fairly closely in the notebook. Please take a look and let's have some conversations about steps forward. Authors: - H. Thomson Comer (https://github.com/thomcom) Approvers: - Michael Wang (https://github.com/isVoid) - Mark Harris (https://github.com/harrism) - Ray Douglass (https://github.com/raydouglass) - AJ Schmidt (https://github.com/ajschmidt8) URL: #1156
I think we should reopen this issue. We have a benchmark notebook, but not a demo / overview notebook for spatial relationship predicates. |
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Is this a new feature, an improvement, or a change to existing functionality?
New Feature
How would you describe the priority of this feature request
Critical (currently preventing usage)
Please provide a clear description of problem you would like to solve.
With all the new spatial relationship predicates supported in GeoSeries, we should add a new notebook showing them off.
This has been on the roadmap doc for 23.06 for a while, but I couldn't find an issue for it. @thomcom please let me know if this is unrealistic at this point and we can move to 23.08.
Describe any alternatives you have considered
No response
Additional context
No response
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