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16 results for “JensWiesehahn”

  1. How to efficiently query data at point coordinates from collection in ?
    We have a bunch of points and e.g. want to calculate the mean raster value for each point with a buffer.
    dom.stac.lgln.niedersachsen.de

  2. There is a lot of public geospatial data provided as opendata which is not readily available via API.
    I am wondering if there is anything like a public European data infrastructure which allows to host such data in a modern, standardized way to make it easily accessible for everyone at scale (cloud native data formats, STAC catalog, ...)?

    Especially I am thinking about lidar data and derived products (DSM, DTM) and a solution similar to opentopography.org.

  3. lasR, a new software for working with large lidar datasets, developed by the author of the lidR package, one of the most dedicated and experienced developers in this field I know. It is free, open source and very fast. Currently there is an R API with others possibly coming in the future.

    github.com/r-lidar/lasR

  4. Results for the 4th German National Forest Inventory have just been released. A poster I created some years ago gives a rough idea of the effort involved.

  5. @opendata @MisterOpenData Hallelujah, mittlerweile ist die Verordnung zu High Value Datasets in Kraft.
    Trotzdem bin ich noch kein bisschen schlauer zu meinen Fragen von vorher. Gibt es da mittlerweile irgendwo Antworten zu finden oder müssen wir warten bis die ersten Klagen eingehen und ein Gericht das entscheided?

  6. Is anyone aware of interactive webmaps which integrate sound based on geographic position? e.g. play birds chirping if map shows forest.
    I think there is great potential to transport additional information or even feelings with soundscapes in maps, yet I have barely seen it.

  7. @opengeohub Open-Earth-Monitor is an awesome project, and this is a nice overview.
    I wish all projects would be this well organized and push standards such as

  8. This might be a stupid question, but what speaks against integrating by @felt into or even ?

  9. Last week I gave a presentation about "Airborne Laser Scanning Data in Germany - Availability, Challenges and Potentials" at conference in Münster.

    Video recording: media.ccc.de/v/fossgis2025-582
    Presentation slides: wiesehahn.github.io/presentati

  10. How much can we gain from GeoTIFF compression? You can learn it from a blog post by Jens Wiesehahn.

    Post: buff.ly/4havwHh