What you'll see at the URL (https://30dmc.hrbrmstr.dev/2023/day-14.html) & in the attached is 100% WebR, {sf} & {ggplot2} —apart from a JS fetch() to get the Europe GeoJSON.
This map might actually fit under Day 4️⃣: A bad map!
Anyway, I wanted to do something different and see if I can (ab)use the #Wikidata Query Service to render a map. So I created a SPARQL query to display all of the domestic routes flown by PAL Express, Cebu Pacific, and Cebgo, three of the most popular low-cost airlines in the #Philippines 🇵🇭. Each route between two airports are color coded depending on which airline(s) fly the route.
Dordogne, Aveyron, Lot, Garonne coulent vers l'ouest.
Encore du QGis+time-manager+python. Je partagerais bien les expressions utilisées, mais je n'arrive pas à bien me relire, ni simplifier ni déboguer, 1 an après avoir écrit tout ça... c'est terrible.
#30DayMapChallenge Day 17: Flow
Initial results of an analysis to model potential omnidirectional connectivity for biodiversity in the US portion of the Lake Superior region. Omniscape was used to model flow...how highly biodiverse areas are connected. Cartography in #QGIS
I think someone else struggled with reefs, atolls were also a real hodgepodge, so this map for day 1️⃣ 6️⃣ of #30DayMapChallenge is more useful as a guide for cleaning data up in #Oceania than anything else.
I'd love to do a legend with overlapping circles to show the size (see @seav's map today), but have no idea how to do that in #QGIS (or even what the technique is called)
Another one for #30DayMapChallenge, Day 16: Oceania. Wastewater treatment plants of Oceania. This was the backup in case I decided to chuck the coral reefs attempt.
Just passed the halfway mark—running out of ideas that work.
#30DayMapChallenge, Day 16: Oceania. Warm-water coral reefs of Oceania. Not what I had in mind but this will have to do. Struggled for too long across three OSes; had to give up and move to plan D.
A sad chapter in the history of Oceania are the hundreds of nuclear tests that have been conducted by the #UnitedStates 🇺🇸, the #UnitedKingdom 🇬🇧, and #France 🇫🇷. This map shows the locations in #Australia 🇦🇺, the #MarshallIslands 🇲🇭, #Kiribati 🇰🇮, and #FrenchPolynesia 🇵🇫 where these three nations have detonated nuclear devices along with estimated yields in kilotons of TNT equivalent. #Hiroshima and #Nagasaki are also shown for comparison.
#30DayMapChallenge
Day 15 - OpenStreetMap
Number of libraries per state in the US.
To create this, we simply used Felt's new Count Points transformation tool to count OSM library data points located within state polygons. Labeled the new layer with point count. @openstreetmap
#30DayMapChallenge Day 14/15: Europe/OSM
A map of Europe using topological coloring & some expression based stipling around the polygon perimeters combined with a shapeburst fill to give it that historic look. #QGIS
For Day 1 of #30DayMapChallenge, I mapped 9 of the schools for Black children in northern Delaware when Delaware--there were more than 80 throughout the state when the state enforced racial segregation in schools. #rstats
For Day 10 of #30DayMapChallenge (North America) I have a simple map of total #COVID19 vaccination doses administered in the contiguous 48 states. #rstats
I’ll attempt the #30DayMapChallenge this year! I plan to use it for the personal challenge of trying something—even if it’s a tiny something—I’ve rarely or never done before, be it a map style, a GIS function, or whatever else. Perhaps I’ll document those things at the end, but meanwhile…
Day 17, Flow. Taking it easy again by generating another one of these feathery terrain things that I’ve done a million times already, since they are essentially crude models of hydrologic flow. #30DayMapChallenge
Students of the Data Visualization subject at UCA are participating in the #30daymapchallenge. Each day, a map created by a different student will be published.
Day 1: Points
Author: Altagracia Villegas
Touristic places of Guatemala & Mountains of El Salvador
Data 📁: MapCruzin/GADM
Tool ⚙️: #QGIS :qgis: