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Jedwards/parallel gdal #2020

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@jedwards4b jedwards4b commented Jan 27, 2026

Potentially replaces #2018 Currently debugging tests.

msl3v and others added 17 commits January 4, 2024 17:37
@msl3v
Clean import of code for GDAL in ESMF. Compiles/runs in ESMF
fd61500 
MSL
@msl3v
few fixes. Mainly isolating ops to io_rank=0
e4f67af 
MSL
@msl3v
Added GDAL test. Currently segfaulting in pio_swapm()
87986f8 
MSL
@jedwards4b
link testdata to bld directory, add USE_GDAL macro
65a1131
@jedwards4b
debugging test
6c5612a
@msl3v
fix for segfault. test_data_in pointer was NULL in test_gdal.c
1b397a4
@msl3v
Fixed float type issues with GDAL/SHP read. Now can read vars of type
bbda042 
ESMF_TYPEKIND_R4.

MSL
@msl3v
Merge branch 'msl3v/GDAL_clean' of github.com:msl3v/ParallelIO into m…
83907b5 
…sl3v/GDAL_clean
@msl3v
Merge pull request NCAR#1 from jedwards4b/GDAL_jpe2
ae0ba19 
Gdal jpe2
@msl3v
Trying to bring in changes made over the last year inside ESMF's PIO
f57470b 
code. It's not a git repo inside ESMF so changes accumulate in ESMF's
git but not in PIO's.

MSL
@msl3v
Merge pull request NCAR#1 from jedwards4b/GDAL_jpe2
76866da 
Gdal jpe2
@msl3v
Was failing with CMAKE v4. Now works with CMake > 3.5
4e248e3 
MSL
@jedwards4b
Merge branch 'main' into msl3v/parallel_GDAL
b153d0d
@jedwards4b
bring parallel_GDAL branch up to date
5ccfb3f
@jedwards4b
bring up to latest main, still debugging
9a56514
@jedwards4b
fix netcdf4 read
b698ef2
@jedwards4b
a small improvement but gdal test still fails.
882fcb7
@jedwards4b
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jedwards4b commented Jan 27, 2026

@msl3v this branch includes the GDAL option in the cmake build (but not yet in the autotools build).
It passes all of the tests except the test_gdal.c (with and without -DPIO_USE_GDAL=ON -DGDAL_ROOT=/path/to/gdal/root)
I don't think that you ever had a working gdal test - did you? Also only one datatype, PIO_DOUBLE, is supported for reading gdal - is that correct?

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@jedwards4b @msl3v