current #rioxarray and #xarray pain points in #geospatial python stacks: michaelaye.github.io/posts/rioxar...
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#xarray
Posts tagged #xarray on Bluesky
Detecting Hidden Grids in Curvilinear Coordinates www.hypertidy.org/posts/2026-0... #rstats #python #xarray #netcdf one of my broken records - here's some tooling and interesting prospects, we shouldn't need extreme expertise to detect fundamentally broken data representations :)
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RE: https://wisskomm.social/@ioer/115899330915763542
I really took a deep dive into #datashader with this map: Locals & Tourists in Germany, as derived from 67 Million Geo-Social Media Posts (2007-2022) in Germany. The data includes public shared posts from Instagram, Flickr, Twitter and […]
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#python #bokeh is a very cool #datavis tool.
It interfaces neatly with #xarray and allows for interactive visualisations of >10k particles.
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Throwback to last month in Bologna! 🌊
EGI, CMCC, UniBo, and EDITO hosted the Cloud Native Ocean Data Analysis School, empowering 40 scientists with #Pangeo, #Xarray, and cloud tools for marine data.
Learn more: go.egi.eu/8aOd5
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why in #xarray a simple operation such as querying what are the different group's name is stored in a netcdf involves using backend calls? the same operation so much easier if using the #netCDF4 module.
I wasted 2 hours figuring out that group name identification is easier using netCDF4. #python
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finally got some legs on this #GDAL #xarray backend:
github.com/mdsumner/gdx
in combination with the upcoming 'gdal mdim mosaic' this should be pretty fun
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if you wonder about coordinates in arrays and netcdf and Zarr and #xarray check out this awesome video and gallery, to see where xarray is going
www.youtube.com/watch?v=I-NH...
xarray-indexes.readthedocs.io
excellent presentation by @deepakcherian.bsky.social of #earthmover
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What if all your lab and ML data lived in one place? Index chaos is optional—xarray keeps everything aligned. I show how this cuts errors and makes analysis smoother. Would this help your workflow? Repost or comment! buff.ly/6QXFDY4 #xarray #datamanagement
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A top alternative discussed is Xarray. It adds named dimensions to arrays, greatly simplifying broadcasting & alignment compared to raw NumPy operations. Makes working with complex datasets much cleaner. #Xarray 2/6
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#geo #RemoteSensing #earthobservation people! Has anyone got an example of using the #Copernicus #DataSpace -> documentation.dataspace.copern to go from searching using #pystac to getting a working #xarray dataset for #Sentinel2 reflectances? #python #geopython
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#geo #RemoteSensing #earthobservation people! Has anyone got an example of using the #Copernicus #DataSpace -> https://documentation.dataspace.copernicus.eu/ to go from searching using #pystac to getting a working #xarray dataset for #Sentinel2 reflectances? #python #geopython
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Anyone familiar with cfgrib?
stackoverflow.com/questions/79...
This code all worked fine for years, until I updated #metpy last week. Updating the dependencies broke... everything, basically. Very annoying.
#python #xarray #cfgrib
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I am really looking forward to a time when scientific data analysis is less of a constant fuckaround and fight with technical bullshit. I'd *really* like
- #netCDF natively supporting complex numbers
- #Python #xarray and #pandas to natively support physical units (#pint is great on its own but […]
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NITheCS Micro-school: 'Unlocking Earth Observation Data – Access and Analysis with Xarray Ecosystem Tools' - Marco Wolsza (Friedrich Schiller University Jena, Germany) – Fri, 28 March @ 12h00-12h30 SAST. Register to attend online. buff.ly/wmmUlTS #xarray #eodata #python #cubo #odcstac #spyndex
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tried loading as #xarray and had success, here's a year of ocean_temp in #rstats
gist.github.com/mdsumner/66c...
nice if could multifile load without having to virtualize after actually loading every file ...
using the bluelink package to generate the dodsC urls:
bsky.app/profile/mdsu...
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NITheCS Micro-school: 'Introduction to Xarray: Empowering Multidimensional Data Analysis' - Marco Wolsza (Friedrich Schiller University Jena, Germany) - Fri, 14 Mar @ 12h00-12h30 SAST. Register to attend online. buff.ly/F15L0bv #xarray #dataanalysis #python #numpy #pandas #research
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𝗚𝗲𝗼𝘀𝗽𝗮𝘁𝗶𝗮𝗹 𝗣𝘆𝘁𝗵𝗼𝗻 𝗧𝘂𝘁𝗼𝗿𝗶𝗮𝗹𝘀
SpatialThoughts provides tutorials covering a broad range of geospatial topics and technologies, e.g., #GeoPandas, #XArray, #dask, and more. Each technology is described in a notebook with step-by-step explanation.
Check it out: buff.ly/4ha3HOo
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Hey folks, I just released xagg==0.3.3, with a new backend that can result in a massive speedup for huge datasets.
Use
`with xa.set_options(impl='numba'):`
and let me know your results!
(I just got 2 orders of magnitude speedup on `xa.aggregate()` on a test )
#xagg #geopandas #xarray
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#GSPy - A New #Toolbox & #DataStandard For #Geophysical #Datasets
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doi.org/10.3389/fear...
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#GIS #spatial #mapping #geophysics #NetCDF #datatypes #code #opensource #library #dataformats #standardisation #openstandard #metadata #Python #package #workflows #xarray #opendata #architecture #toolbox
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Released xproj: a small, generic (and experimental) #xarray extension to manage the coordinate reference system(s) of geospatial data cubes.
github.com/benbovy/xproj
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It takes @xarray.bsky.social and #geopandas inputs, and outputs back to #xarray, #pandas, csv, and more (keeping polygon metadata intact!), so it can plug into many existing workflows.
There are some pretty substantial performance improvements in the pipeline as well, so stay tuned.
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Computer room with participants working on code exercises in xarray.
Second day of UGent doctoral schools "Python for GIS and Geoscience" together with @jorisvandenbossche.bsky.social. Today focus on raster data #xarray. Great to see the wide variety of backgrounds, ranging from climate science to criminology.
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Exporting an #xarray array containing an irregular mesh to geotiff is still something that is “not a breeze”
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Justus made a great intro on using #DGGS through #xarray #xdggs at the #Pangeo showcase talk. Xdggs is now in a stage where you can use it fairly robustly with #HEALPIX and #H3. Other integrations like for #DGGRID are developed as separate plugins.
www.youtube.com/watch?v=bAMG...
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Py3DEP [hydroclimate analysis]
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pypi.org/project/py3d... <-- link to app / resources
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#GIS #spatial #mapping #Py3DEP #PyGeoUtils #HyRiver #softwarestack #elevation #3DEP #USGS #NationalMap #opendata #processing #spatialanalysis #hydroclimate #water #hydrology #webservices #xarray
@HyRiver @USGS
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