Data and Formats

  • 3D Gaussian Splatting Explained

    3D Gaussian Splatting Explained

    If you have worked in aerial surveying for any length of time, you have probably come across a Gaussian splat by now. Maybe it was a flythrough of a drone survey over a construction site, or a visualization of a city block captured from a manned aircraft. Whatever the context, the first reaction tends to…

  • A Closer Look at LAS Formats

    A Closer Look at LAS Formats

    LAS is the dominant format for storing lidar point clouds maintained as an open standard by the OGC. Like most formats that have been around long enough, it has meanwhile accumulated versions. The version number on a LAS file is not just a timestamp – it tells you what the file can and cannot represent.…

  • Level of Detail in 3D City Models

    Level of Detail in 3D City Models

    Filip Biljecki goes into the details of how to describe the level of detail for city models. Make sure to read this phd theses to better define what you want (or need).