JuliaDataCubes / JuliaDataCubes/YAXArrays.jl
No positional Integer selection possible in time
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breaking
bug
help wanted
- Dominant language
- Julia
- Stars
- 132
- Forks
- 25
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Description
I want to get several time slices from a cube lazily. Using the Tutorial, I assumed the following will work:
path="gs://cmip6/CMIP6/ScenarioMIP/DKRZ/MPI-ESM1-2-HR/ssp585/r1i1p1f1/3hr/tas/gn/v20190710/"
store = zopen(path, consolidated=true)
ds = open_dataset(store)
ds[Ti = 5] # works
ds[Ti = 1:5] # ERROR: ArgumentError: Chunk sizes must be strictly positive
ds[lat = 1] # works
ds[lat = 1:5] # works
Is it not intended to use integer selection on the Ti axis?
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Research direction
Start by reproducing the Tutorial-based example with the shown zopen and open_dataset calls, comparing scalar and range selection on the Ti and lat axes. Trace the Ti range-selection path that produces “Chunk sizes must be strictly positive”; done means selecting Ti = 1:5 works lazily without that error.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- julia
- Domain
- data
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100