Diachrograms – a theoretical framework for the modelling and analysis of a heritage artefact’s diachronic evolution.

Extension of the "diachrogram" formalism (originally created and developed by I. Dudek and J.Y. Blaise), a visual formalism that bases on a conceptual model allowing for the description of diachronic evolution of heritage objects (buildings) - characterization of new transformations and states, exemplification.