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John Nelson

@johnnelsonmaps.bsky.social
1.1K followers 19 following 146 posts

I make posts about making videos about making maps about stuff.

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John Nelson @johnnelsonmaps.bsky.social · 25/06/2025
why would anyone sell this machine
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John Nelson @johnnelsonmaps.bsky.social · 15/05/2025
thanks!
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Reposted by John Nelson
Helen Czerski @helenczerski.bsky.social · 08/05/2025
Today is a great day for the ocean! Not only is the new Attenborough Ocean film out today, but I had a sneak peak at the new Great Map at the National Maritime Museum in Greenwich, and it's FABULOUS. A giant Spilhaus projection with beautifully detailed topography. Opens to the public June 7th. 🌊
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John Nelson @johnnelsonmaps.bsky.social · 15/05/2025
WOW! I'd love to see that some day.
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John Nelson @johnnelsonmaps.bsky.social · 15/05/2025
Glorious!
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John Nelson @johnnelsonmaps.bsky.social · 04/04/2025
More examples and a link to the blog post. www.esri.com/arcgis-blog/...
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John Nelson @johnnelsonmaps.bsky.social · 04/04/2025
Please don't watch this video about making the Handsome Squidward version of ArcGIS Online maps. youtu.be/NL2GUU4bRVo
youtu.be
Hack a Dramatic Portrait Mode Effect for ArcGIS Online
YouTube video by John Nelson Maps
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Reposted by John Nelson
Joey Cherdarchuk - Obumbratta @obumbratta.com · 03/04/2025
I return to @johnnelsonmaps.bsky.social 's Silly Geographic Precision table whenever I see the coordinates in a file I'm trying to make smaller. Latest file was mapping atoms. uxblog.idvsolutions.com/2013/11/sill...
Here's a breakout of coordinate precision by the actual cartographic scale they purport:

Decimal Places
 Actual Distance
Say What?
6	10 centimeters	Your footprint, if you were standing on the toes of one foot.
7	1.0 centimeter	A watermelon seed.
8	1.0 millimeter	The width of paperclip wire.
9	0.1 millimeter	The width of a strand of hair.
10	10 microns	A speck of pollen.
11	1.0 micron	A piece of cigarette smoke.
12	0.1 micron	You're doing virus-level mapping at this point.
13	10 nanometers	Does it matter how big this is?
14	1.0 nanometer	Your fingernail grows about this far in one second.
15	0.1 nanometer	An atom. An atom! What are you mapping?
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John Nelson @johnnelsonmaps.bsky.social · 03/04/2025
Ah, an oldie but a goodie! And, ah-hem, 6 years before XKCD did the same thing.
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John Nelson @johnnelsonmaps.bsky.social · 01/04/2025
Exquisite!
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John Nelson @johnnelsonmaps.bsky.social · 31/03/2025
I'll be at in London May 12 for a 1/2 day cartography workshop hosted by @esriuk.bsky.social. If you'd like to spend a half-day of your allotted time on this earth nerding out on map making with me, here are some details. store.esriuk.com/product/arcg...
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John Nelson @johnnelsonmaps.bsky.social · 25/03/2025
things I like: the Yuka app
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John Nelson @johnnelsonmaps.bsky.social · 25/03/2025
Glorious
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John Nelson @johnnelsonmaps.bsky.social · 21/03/2025
things i like: the random 3 or 4 days in a Michigan April when it hits 70 degrees and everyone goes a little bit manic.
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John Nelson @johnnelsonmaps.bsky.social · 19/03/2025
i like to kick things off with an existential crisis
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John Nelson @johnnelsonmaps.bsky.social · 19/03/2025
I just shared a new video about making that faded inner-ribbon pattern thing in ArcGIS Online and stuff. it's over on the you toobs.
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John Nelson @johnnelsonmaps.bsky.social · 18/03/2025
things i like: the internet circa 2010/11
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Reposted by John Nelson
Kenneth Field @kennethfield.bsky.social · 18/03/2025
The #EsriUC agenda is out...and there's BIG news for fans of our Map Wizardry workshop. Not only have we got a third offering for the Friday crowd but we got into the plenary hall on Thursday. Thanks to everyone who ever asked for this!!! No pressure at all 🤪
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John Nelson @johnnelsonmaps.bsky.social · 18/03/2025
whoa, just had a crazy idea for getting faded inner hatched ribbons for polygons in ArcGIS Online and it totally worked! now, to try to get back to my original objectives today.
map with red border and faded hatched fill around the interior perimeter
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John Nelson @johnnelsonmaps.bsky.social · 18/03/2025
Glorious.
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John Nelson @johnnelsonmaps.bsky.social · 17/03/2025
things i dislike: jeans in colors other than blue.
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John Nelson @johnnelsonmaps.bsky.social · 17/03/2025
¯\_(ツ)_/¯
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John Nelson @johnnelsonmaps.bsky.social · 14/03/2025
media.tenor.com
a cartoon monkey wearing heart shaped sunglasses holds a piece of paper
ALT: a cartoon monkey wearing heart shaped sunglasses holds a piece of paper
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John Nelson @johnnelsonmaps.bsky.social · 14/03/2025
things i like: my authenticator app gives me a two-digit number to access my account. i seem to have an impromptu anecdote for every number, which helps me remember it in the three seconds between seeing it and keying it in.
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John Nelson @johnnelsonmaps.bsky.social · 12/03/2025
media.tenor.com
a woman 's face is visible in a tik tok video
ALT: a woman 's face is visible in a tik tok video
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John Nelson @johnnelsonmaps.bsky.social · 12/03/2025
things i like: the sound of Bob Ross' palette knife mixing paint.
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John Nelson @johnnelsonmaps.bsky.social · 11/03/2025
things i like: ironically, the amount of my brain's memory locked up with 80s jingles and sitcom intro songs.
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John Nelson @johnnelsonmaps.bsky.social · 10/03/2025
things i like: finding a good deal (like every other Midwesterner). www.esri.com/arcgis-blog/...
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John Nelson @johnnelsonmaps.bsky.social · 10/03/2025
how to make a seafloor map inspired by Marie Tharp and Heinrich Berann youtu.be/LNBQ1XZR4Vw
youtu.be
Make a Seafloor Map like Marie Tharp and Heinrich Berann
YouTube video by John Nelson Maps
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John Nelson @johnnelsonmaps.bsky.social · 10/03/2025
things i like: the frequent random honking of geese formations overhead as they return north for springtime.
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John Nelson @johnnelsonmaps.bsky.social · 07/03/2025
things i dislike: the ideological bifurcation of the internet.
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John Nelson @johnnelsonmaps.bsky.social · 06/03/2025
I wonder if you snapped a photograph of taffeta, then desaturate and push contrast in photoshop if you'd get it.
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John Nelson @johnnelsonmaps.bsky.social · 05/03/2025
cool!
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Reposted by John Nelson
🥔🗺️ ᴘᴏᴋᴀᴛᴇᴏ ᴍᴀᴘs @pokateo.bsky.social · 04/03/2025
👋 recently hit 3k followers on insta and 2k on here so I wanted to take a sec to say hi and share a lil about me! Feel free to reach out! Drop a hello, send maps, share mappy memes and meme ideas, and tag me in potato related posts. Let’s make the world a mappier, spuddier place! 🥔🗺️
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Reposted by John Nelson
Andrew Tyrrell @southarrowmaps.co.nz · 04/03/2025
I made one of John Nelson's cutaway diagrams to illustrate LINZ's 3D Coastal Mapping project. It was just a static image, showing Mayor Island/Tūhua, and the nearby seabed. One of our graphic designers animated it & turned it up to 11! www.linkedin.com/posts/toit%C... @johnnelsonmaps.bsky.social
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John Nelson @johnnelsonmaps.bsky.social · 04/03/2025
Amazing! Beautiful work, Andrew!
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John Nelson @johnnelsonmaps.bsky.social · 03/03/2025
i love the colors keyed into the title without the need for a clunky legend!
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John Nelson @johnnelsonmaps.bsky.social · 03/03/2025
things i like: when i successfully transfer a gigantic pile of wet laundry from the washer to the dryer without dropping anything on the floor.
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John Nelson @johnnelsonmaps.bsky.social · 26/02/2025
things i like: using chatGPT to quickly geocode a list of 130 place names. thinks i dislike: having to feed it the list piecemeal because it would just give up after 60 or so, and also skip some.
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John Nelson @johnnelsonmaps.bsky.social · 18/02/2025
things i like: deftly avoiding the silt left in the bottom of the mug from French pressed coffee.
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John Nelson @johnnelsonmaps.bsky.social · 14/02/2025
Glorious.
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Reposted by John Nelson
Elena Hartley | Science Illustrator @elabarts.bsky.social · 14/02/2025
An atoll illustration I was commissioned for several years ago. I love making slices of geologic features so this was a treat to work on! #geology #atoll #oceanscience #scienceillustration
The illustration in the background is of an atoll. A white rectangle makes a cut in the front area of the atoll. This references the illustration in the front which is a cross section of an atoll side.
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John Nelson @johnnelsonmaps.bsky.social · 14/02/2025
8x12 ft
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John Nelson @johnnelsonmaps.bsky.social · 13/02/2025
things i like: gigantic piles of fluffy snow.
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John Nelson @johnnelsonmaps.bsky.social · 13/02/2025
things i dislike: the fake baby voice in that liberty mutual commercial
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John Nelson @johnnelsonmaps.bsky.social · 12/02/2025
things i dislike: every map-related news article has a pun in the title. things i like: also this.
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John Nelson @johnnelsonmaps.bsky.social · 12/02/2025
Glorious.
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John Nelson @johnnelsonmaps.bsky.social · 07/02/2025
things i dislike: the stickers on building supplies.
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John Nelson @johnnelsonmaps.bsky.social · 07/02/2025
the fish trick helps, but i'm sometimes immune to even the best mnemonics. when you hold a fish close, its scales are large. learned that from @cartonaut.bsky.social
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John Nelson @johnnelsonmaps.bsky.social · 07/02/2025
darn it i meant large scale
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