Michael Sumner
mdsumner@rstats.me
<p>I am the clouds, I am embroidered</p><p>Triangle wins</p><p>Polarized, tell me what colours do you wear</p><p>R, Rust, mesh, GDAL, map projections, oh yeah and Python </p><p><a href="https://hypertidy.org/" target="_blank" rel="nofollow noopener" translate="no"><span class="invisible">https://</span><span class="">hypertidy.org/</span><span class="invisible"></span></a></p>
Posts
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Post #4274685
attention @tim_salabim https://github.com/nathaneastwood/poorman/pull/125#issue-4918332331 if you haven&#39;t seen (cf mapview Suggests)
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Post #4274684
getting extremely good performance and scaling from the new {controlledburn} Extent: -180 180 -90 83.63339 controlledburn scaling (CGAZ, 10M vertices, 218 geometries): grid cells approx coverage ------------------------------------------------------- 2048×1024 2,097,152 2.082s 2.485s 4096×2048 8,388,608 2.546s 3.387s 8192×4096 33,554,432 3.563s 5.184s 16384×8192 134,217,728 5.322s 8.609s
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Post #2555045
here is a more serious crack at {rustycogs} https://github.com/hypertidy/rustycogs an #RStats package around @developmentseed async-tiff https://github.com/developmentseed/async-tiff this is a good way to learn how COGs are structured, query them from uri, and read per tile, and give some idea what all the VirtualiZarr stuff is about. We need way more R folks looking into this. /1
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Post #2555037
bit overdue, I made a COG of GEBCO 2025 to save battling their netcdf or zip &quot;geotiff&quot; use /vsicurl prepend, or &#39;s3://idea-gebco-tif/GEBCO_2025.tif&#39; or whatever you prefer https://gist.github.com/mdsumner/c9cfcd49715b2e2925b41222d3d16d2e -&gt; details in this gist to avoid url slop I&#39;ve asked them in the past to create a COG but no dice, we&#39;ve been hosting our own copy since 2019
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Post #2532021
why is it only today I now understand that 1) bash functions can be *pasted* in to a session 2) they run with &#39;fun arg&#39; and 3) are the same as C/R syntax with {} and ; for lines, or just newlines fun() { local a=&quot;$1&quot;; echo &quot;$a&quot;; } fun abc abc I have a colleague who gave this talk once but I was distracted on some spatial code or whatever and I totally vagued on all of it. Now I need that Evi Nemeth wonderful book, those chapters on python...
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Post #2459544
Head Over Heels pure metal 🎶
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Post #2459543
Fool&#39;s Gold may be the greatest song of all time also I haven&#39;t heard it in ages
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Post #2459542
Prince, live, Cream, Grand Slam, Minneapolis ❤️
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Post #2459541
Hello, he lied
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Post #2459540
GDAL and xarray, NCI and Pawsey, working together at last: https://github.com/mdsumner/virtualized/issues/12#issuecomment-4427816203 (learned heaps today!)
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Post #2459539
just brushed up on arithmetic with fractions ... I think the child is fine, she can do it been a long time since I worked through written fractions, had to think!
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Post #2459538
GDAL, Python, GEOS, and gcc need to have a meeting about version number progression GDAL 3.13.0 PROJ 9.8.1 GEOS 3.14.1 R 4.6.0 Py 3.12.3 numpy 2.4.4 gcc --version gcc (Ubuntu 13.3.0-6ubuntu2~24.04.1) 13.3.0
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Post #2352279
The documentary film ‘Motherload’ tells the recent development of cargo bikes in America, as safe, effective, sustainable, and resilient way to transport our goods and little ones. It shakes us of the ‘auto-normative’ ways of thinking that many of us grew up with. https://motherloadmovie.com/welcome https://youtube.com/watch?v=6Va-MQbVvpw
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Post #2067623
RE: https://rstats.me/@mdsumner/116492521082286632 finally, a sufficient demonstration: https://gist.github.com/mdsumner/1b38b300f7dc6e0a8cdfa3cd8fbc84ce aligned PROJ/GEOS/GDAL and equally capable cli and R and Python, in a simple series of docker images
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Post #2034525
@hughagraham thought you like to see https://gist.github.com/mdsumner/de1d60cc936bbe3506d7274b68b52ffb
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Post #1815233
Hello! Looks like you&#39;re a tired and drunk 50 something year old reading about yet another new downstream software package solving again the same non problem. But, you haven&#39;t yet signed up for an account...
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Post #1815232
US president demands recognition of his status as a planet
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Post #1815231
Kinds of infinity: countable, uncountable, Cantor, cheese
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Post #1815228
#RStats Once in a while, run R CMD check --no-examples and R CMD check --no-tests separately, with _R_CHECK_FORCE_SUGGESTS_=false. The default check ordering plus default Suggests-handling masks bugs that surface only in second-phase code or only when Suggests are absent.
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Post #1815225
I walk in and they&#39;re playing Kool Thing, coincidence? I DON&#39;T THINK SO
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Post #1815224
Single GDAL, single PROJ, single GEOS, R packages and Python packages linking the same libraries, reticulate bridging cleanly between them, modern numpy, modern Python, modern R, current GDAL master available or latest release Don&#39;t you all want that? I finally have it
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Post #1411265
Half price pizza Domino&#39;s this week, til Sunday
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Post #1411264
They&#39;re fucking with me conspicuously
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Post #1411261
The lack of education situation in Tasmania so bad, a lot of people who ruined the UTAS future think they *are smarter than a university* If you blame Rufus Black you by definition are outing yourself as totally ignorant
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Post #1411260
I bought a shitty but substantial toastie. And now I&#39;m listening to The Stranger
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Post #1411259
New glasses have revealed that I&#39;m starting to lose my reading vision 😔
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Post #1188370
they wrote a geotransform with positive-y in *how much* data? https://cloudnativegeo.org/blog/2026/02/the-technical-debt-of-earth-embedding-products sheesh, an easy thing to have checked lol ... and now, rather than fix the sources they&#39;ve forced a weird workaround in multiple libs that will confuse more processes and people in future ... #eyeroll
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Post #1182195
new driver just dropped (hmu if you want to explore, only in dev-GDAL) https://gdal.org/en/latest/drivers/raster/gdalg.html @hughagraham @MikeMahoney218
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Post #1130925
Been trying to make a Dire Straits joke, and even Heavy Fuel is right there but it&#39;s just not funny
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Post #1109698
The deeper I get into Zarr and virtualization efforts the bigger the problem seems. There are some huge perspective gaps here, xarray and Zarr reinvented a lot of stuff but then success has prevented a deeper understanding of the landscape. It&#39;s like netcdf woke up from the dark ages and half-modernized. 1/