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#Protomaps

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OKAY, I'm reasonably happy with the current version. I now have a "progress map" on AlphabeticalZürich, available at alphabeticalzurich.ch/map.html

The base tiles are @protomaps, with an extra dash of Leaflet (leafletjs.com/), an export of my progress spreadsheet as CSV, and some "let's throw some Zürich opendata at the geometry problem".

And a non-zero amount of work to integrate it as I wanted (including "how do I avoid trivially leaking my API key"), but I *think* it's reasonably clean. It would probably warrant a proper blog post, if only to document things for myself, but now I need a break (... since at least few hours if I'm being honest with myself.)

But there, I'm happy - now I need to update the spreadsheet and the real-world data below it :D

www.alphabeticalzurich.chAlphabeticalZürich - Progress Map

I have a talk in about 12 hours at Mapping USA 2025. It will be about WAMap and the virtues of vector based maps and client side filtering for doing data exploration.

You can also hear me later in the day reminding you to run for the OSM-US Board of Directors… if that’s something you may be interested in.

I hope you can join us! It’s free and all virtual.

openstreetmap.us/events/mappin

openstreetmap.usMapping USA 2025This free virtual conference featured two days of talks, workshops, and all things OpenStreetMap.

In today's #gleo news (and hot in for #siglibre2024!): A #ProtoMaps loader plus the new `scalefactorify` symbol!

I don't need to explain protomaps, right? It's the hilbert-curve-packed-vector-tiles standard that's all the rage (see protomaps.com/).

The `scalefactorify` decorator (applied here to `StrokeRoad`s) makes a symbol visually bigger or smaller depending on the map's scale, with a factor interpolated according to a supplied scale-factor table.

#Meta is sun-setting their Daylight Distribution in favor of putting their efforts behind #OvertureMaps 🗾

daylightmap.org/2024/05/03/sun

It makes sense as Meta was a Overture Maps Foundation founding member, together with Amazon, Microsoft, and TomTom.

The Daylight land cover dataset was pretty solid for self-hosted maps with #Maplibre & #Protomaps

daylightmap.org/2023/10/11/lan

daylightmap.orgSunsetting Daylight

As an experiment, I have published a map of Washington State using the full and complete data dump from OSM. It has a filter functionality to find things based on the tagging and you can now click items to view entities (that's still somewhat buggy).

It's good enough that I can use it to see places to get various flavors of takeout this evening: watmildon.github.io/TIGERMap/W

watmildon.github.ioWAMapFilterable OSM data of WA