issues: 95114700

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
95114700 MDU6SXNzdWU5NTExNDcwMA== 475 API design for pointwise indexing 2443309 open 0     39 2015-07-15T06:04:47Z 2023-08-23T12:37:23Z   MEMBER      

There have been a number of threads discussing possible improvements/extensions to xray indexing. The current indexing behavior for isel is orthogonal indexing - in other words, each coordinate is treated independently (see #214 and #411 for more discussion).

So the question: what is the best way to incorporate diagonal or pointwise indexing in xray? I see two main goals / applications: 1. support simple form of numpy style integer array indexing 2. support pointwise array indexing along coordinates via computation of nearest-neighbor indexes - I think this can also be thought of as a form of resampling.

Input from @WeatherGod, @wholmgren, and @shoyer would be great.

 
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