April 10, 2026
by chris
2 Comments
Mapping of surface water is evidently a huge part of recording the physical geography in OpenStreetMap. Water covers two thirds of the planet and is one of the most important resources for human life. I have written quite a bit … Continue reading
November 5, 2025
by chris
0 comments
I am happy to introduce the fourth large regional high resolution mosaic from 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 … Continue reading
March 14, 2025
by chris
1 Comment
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
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
August 18, 2024
by chris
1 Comment
Last year i introduced the Musaicum EU-plus, a new 10m resolution satellite image mosaic of Europe, which pioneered a new, more automated classical mosaic production technique. I am happy to now introduce a new regional mosaic of West Asia with … Continue reading
July 21, 2024
by chris
1 Comment
In my announcement of the Green Marble 4 global satellite image mosaic i mentioned that i am moving to a 32 bit per channel color representation in processing of the data. I here want to explain the background of this … Continue reading
July 26, 2023
by chris
0 comments
I am pleased to here introduce a new satellite image product that i have been working on for a few months. Development of this has been co-financed by Geofabrik. They are going to offer tile services for web maps based … Continue reading
March 7, 2022
by chris
11 Comments
This post is also published on TagDoc – you can read it there as well if you prefer. To many, even to some experienced OSM community members, the free tagging system of OpenStreetMap appears chaotic, unorganized and inefficient. And it … Continue reading
January 6, 2022
by chris
0 comments
About nine years ago i did the first import of up-to-date data for the Antarctic followed by another with more detailed data a short time later. The intention of those was to provide a solid basis – both in terms … Continue reading
September 25, 2021
by chris
0 comments
Satellite images and their use have become much more popular in recent years. There was already an earlier wave of broader popularization of satellite imagery with image layers being widely introduced in popular map services on the internet between about … Continue reading