The documentation of immovable cultural heritage is undergoing a paradigm shift from traditional 2D drafting to high-dimensional spatial data acquisition. This paper explores the critical role of geodetic support in the documentation and preservation (conservation, restoration, and presentation) of immovable cultural heritage. Central to this discussion is the concept of "Metric Memory"—the precise digital preservation of an object’s geometry as its digital DNA. Using the Bulgarian legislative and technical framework as a case study, the paper compares national practices with European standards and proposes a strategic framework (Aims, Objectives, Measures, and Activities) to modernize heritage documentation through the implementation of Heritage Building Information Modeling and standardized geodetic protocols.
Kunchev et al. (Thu,) studied this question.