{
  "title": "Denis retaining-wall ground interface completion",
  "sources": [
    {
      "author": "Adam Ligocki, Aleš Jelínek, Luděk Žalud / Brno University of Technology",
      "url": "https://github.com/Robotics-BUT/Brno-Urban-Dataset",
      "license": "MIT",
      "use": "Calibrated photographic wall coping/base boundaries and fitted wall plane"
    },
    {
      "author": "Statutární město Brno / Kancelář architekta města Brna / TopGis",
      "url": "https://data.brno.cz/maps/dc95041d63e44e129ba0d9258a1dddb4/about",
      "license": "CC BY4.0",
      "use": "Original terrain geometry and terrace ground heights"
    },
    {
      "author": "OpenStreetMap contributors",
      "url": "https://www.openstreetmap.org/way/75606981",
      "license": "ODbL1.0",
      "use": "Upper retaining-wall alignment"
    }
  ],
  "limitations": [
    "Infill and unphotographed closure geometry are source-constrained approximations, not additional photogrammetric coverage.",
    "The upper photographed coping partly exits its source image; rear terrain joins and short unphotographed continuation use native terrain heights."
  ]
}