How to Create a Global Map of Nautical Piracy

[@gisjoel1]

Thanks for the walk through John, really like your stuff! keep them coming!!

[@JohnNelsonMaps]

Thanks Joel! I'll keep at it.

[@thomasrquintero]

Awesome video! Learned something new about averaging only over equal area projections.

[@kangphil]

If you zoom in to 179.9999993°E 3.9122758°S at 1:662 scale there's a break in the imagery basemap which doesn't make for a good vignette.

[@JohnNelsonMaps]

i'll check it out, thanks!

[@wilfdarr]

Ok, I didn't realize, you're THAT John Nelson. Just want to give a huge thank you for sharing all your brilliant styles for artistically challenged people like myself to use!

[@JohnNelsonMaps]

Wilfred Darr there’s a THAT John Nelson?!

[@wilfdarr]

@@JohnNelsonMaps Yup! The super generous one who shares his genius with the rest of us muggles. (this video ended up recommended by youtube after watching some piracy videos: my GIS world was miles away the first time I saw it, so it's wasn't until a couple weeks later when I saw the theme in GIS that it all clicked). Sorry if my geeking out was awkward, but the community really appreciates what you do for us.

[@JohnNelsonMaps]

@@wilfdarr Wow, that's so great to hear and generous of you to say. I sure am having a lot of fun making maps and visualizing data so I'm happy to share that.

[@AaronKoelker]

Great stuff! Straight to the point and informative

[@JohnNelsonMaps]

I appreciate it! I try to balance info with pace. Hopefully it's helpful to folks.

[@ahmedashraf5758]

Good, but low music plz 💞💞💞

[@gokhancam1754]

I wish my cartography teacher was as cool as %1 of you man! Beautiful work! 👏

[@JohnNelsonMaps]

They are probably way cooler, trust me!

[@gokhancam1754]

@@JohnNelsonMaps well I've studied geomatics and cartography wasn't the first concern of the department.. but now I feel the lack of it after seeing your art 🤙😁

[@karagrace5607]

Clearly the thumbs downs are from angry pirates! For real though, this is very cool. Love the bit at the end about accidental learning ;)

[@JohnNelsonMaps]

thank you Grace! I think you're right. passive aggressive pirates.

[@Joy-rg9qn]

I really love your work!

[@JohnNelsonMaps]

Thank you, Joy! I'm having a lot of fun.

[@tedbowling5036]

Awesome! Thanks for sharing.

[@JohnNelsonMaps]

You bet! Appreciate the comment, Ted.

[@cianakril]

That's all nice and dandy but this stray dot in the Russian Arctic should give a hint at least. It lists incident which happened thousands miles away, at the place with a similar name. Something went wrong with data placing over similarly named locations, isn't it? I wonder if the rest of the data displayed is as much "accurate".

[@JohnNelsonMaps]

Yes, I've noticed with that data some errant positions. You can find the ASAM source at msi.nga.mil/Piracy

[@Somalitravel]

Now that piracy is gone. Guess what is back. Illegal fishing and waste dumping is back in Somali costal areas. It is easy to use crime data in arcGIs without covering underlying issues.

[@JohnNelsonMaps]

yes, i agree with your sentiment. there is always an underlying phenomenon driving what we see in a map. maps help us visualize those layers of drivers to ask better questions, and peel back the map to search for the underlying causes as deeply as we can.

[@hoskhosk2357]

Wow really nice!

[@JohnNelsonMaps]

Thanks! I hope you give it a go.

[@philpetty19]

Transverse hexagon...aka "the cool way"

[@JohnNelsonMaps]

Got that right!

[@wilfdarr]

"Otherwise it's geographic heresy." We're flattening a sphere. Until we are working in full 3d, we are all heretics.

[@JohnNelsonMaps]

Wilfred Darr it’s not a sphere it’s an oblate ellipsoid. Boom! Heretic!

[@wilfdarr]

@@JohnNelsonMaps Lol. Thank you. I actually have a slide in a .ppt for my sailing friends on why a nautical mile doesn't usually equal one degree of latitude (which is what most sailing and aviation courses teach), and why they should use the scale on the bottom of the chart, but I couldn't remember the proper terminology.

[@rosemaryfengchannel]

Could anyone tell me what kind of software he is using now😊 ? Thank you🤪

[@JohnNelsonMaps]

this is ArcGIS Pro.

[@rosemaryfengchannel]

@@JohnNelsonMaps wow is it free or need to buy it? Looks cool!

[@JohnNelsonMaps]

@@rosemaryfengchannel it is not free. price depends on country i believe.

[@rosemaryfengchannel]

@@JohnNelsonMaps Yep profession software is expensive. Got it , thank you.