#30DayMapChallenge jour 3 : polygones. Une Europe dystopique (sous forme de plateau de risk), ses frontières et états issus des colonisations aztèque, malienne, chinoise, etc...un autre monde eût été possible.

Concave hulls for brands with more than 10 000 features in OpenStreetMap.

Data: OpenStreetMap contributors. Made with QGIS.

#30DayMapChallenge day 3: polygons

Day 2: lines
willymaps.github.io/thirty/02_line…

#30DayMapChallenge

#30DayMapChallenge Day 2: Lines.
Every African airport connected to its 10 nearest neighbors.

HD graphic and #RStats code: github.com/AbdoulMa/30Day…

#dataviz #GIS #maps

#30DayMapChallenge Day 2: Lines

Some of the world's longest subway lines (on uniform scale).

Data: OSM

Roads in Helsinki. Width relative to average number of daily car traffic.

#30DayMapChallenge Day 2: Lines.

#30daymapchallenge
Day 1: Points
a dot density map of the top 10 languages spoken in the London, UK. There are over 150,000 points on the map! each point = 5 people
made using #RStats
#DataVisualization #DataViz #DataScience #GIS #maps

Attempting #30DayMapChallenge using TurfJS

Day 1: points
willymaps.github.io/thirty/01_poin…

Excellent maps have come out of #30DayMapChallenge , but please don't feel bad for not participating. Not everyone is doing it, I did it once and life is better just watching the outcomes

For #30DayMapChallenge I thought I'd start with a dataset I enjoy playing with, SF Elevation Contours. I rendered it as points (day 1!) in Foursquare Studio. The highest point in SF is annotated.

#30DayMapChallenge Day 1: Points representing windfarms around the globe. Point size == capacity.

tjukanovt.github.io/windfarms

Data: Global Wind Power Tracker, Global Energy Monitor, May 2022 release

Day 1 of #30DayMapChallenge - Points
A 👉 map pointing you to all the peninsula points in New Zealand.

Here’s a great thread of some #30DayMapChallenge resources. Want to share yours?

November starts tomorrow.

How the Queen of Finland would look like. According to Midjourney.

OK, it’s Friday, and this is going around… I’m at 194.

Find out your “Europe Level” here: tenpages.github.io/us-level/eu.ht…

Me at beginning of the month: If I start early, I can definitely do all 30 maps for #30daymapchallenge !
Me now looking at November only a few days away: ......oh yeah, this is going to be harder than I thought.

PostGIS Day talks are up! Nov 17! Register now! info.crunchydata.com/postgis-day-20…