March 14, 2025
by chris
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I am happy to announce the availability of the next extension of my Musaicum satellite image mosaic series. The Musaicum images are a series of regional satellite image mosaics based on Sentinel-2 data started in 2023 that are produced to … Continue reading
March 5, 2025
by chris
12 Comments
I wrote a comment today on the OSM-Carto issue tracker that i think should get some broader exposure: As many know OSM-Carto has the most sophisticated system of road rendering of all operational OSM based maps. Its complexity allows us … Continue reading
February 6, 2025
by chris
1 Comment
After the larger regional Musaicum satellite image mosaics of Europe and West Asia this further extension of coverage of my Musaicum satellite image mosaic series probably does not look very significant. But it represents a milestone in several aspects i … Continue reading
November 28, 2024
by chris
3 Comments
This post adds another chapter to my previous series of posts on line signatures in maps. Back in the first part of the series i explained and illustrated how the sophisticated techniques in using line signatures in pre-digital maps have … Continue reading
October 25, 2024
by chris
8 Comments
Just wanted to share an observation about public communication of the OpenStreetMap Foundation from the last year: What do these all have in common? That they are not based on OpenStreetMap data. I have written about the practical problems of … Continue reading
October 23, 2024
by chris
3 Comments
I recently worked on a number of map design matters in my OSM-Carto derivative, which i have not discussed here on the blog yet. Much of this is related to point symbols, with – so far – a thematic focus … Continue reading
October 17, 2024
by chris
1 Comment
We have made a new OSM-Carto release that finally includes a solution for one of our oldest issues – the access restriction rendering on roads. And i want to make a few additional comments here beyond what i wrote in … Continue reading
September 17, 2024
by chris
1 Comment
Since the previous two blog posts are already quite lengthy as is, i am going to do the overall discussion in a separate post here. I discussed the situation of road rendering in OSM based maps in general already in … Continue reading
September 15, 2024
by chris
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In the previous post i explained one of the main design issues of road depiction in OpenStreetMap based maps and identified the most viable approach to address this. Here i want to demonstrate and explain how this can be practically … Continue reading
September 13, 2024
by chris
1 Comment
When discussing the rendering of roads in detail 3.5 years ago i showed how OpenStreetMap-Carto uses the different options offered by CartoCSS and Mapnik to draw the road network in a consistent fashion but, ultimately, still falls short of this … Continue reading