3D Land Administration: Current Status (2022) and Expectation for the Near Future (2026) – Initial Analysis

This paper refers to the creation or update, organisation and initial analysis of the results from the 4th FIG 3D Land Administration Questionnaire, as an activity of the FIG Working Group 3D Land Administration 2022-2026.<br/><br/>The questionnaire on 3D Land Administration is conducted as a successor of the previous questionnaire on 3D...

Special Issue "Research and Development Progress in 3D Cadastral Systems"

This Special Issue is devoted to all aspects of 3D Cadastres: legal, organization, and technical aspects. This is a subject where practice and research do meet, influence, stimulate and support each other. The Special Issue aims for papers showing the progress in key areas of 3D Cadastres: Legal framework 3D Cadastres, Initial registration of 3D...

LandXML encoding of mixed 2d and 3d survey plans with multi-level topology

Cadastral spatial units around the world range from simple 2D parcels to complex 3D collections of spaces, defined at levels of sophistication from textural descriptions to complete, rigorous mathematical descriptions based on measurements and coordinates. The most common spatial unit in a cadastral database is the 2D land parcel-the basic...