Initial data preparation for 3D modelling of heritage building

Abstract

Latterly problems of restoration of historic buildings have become especially important. Historical buildings require special attention while preserving their cultural and artistic values, so the three-dimensional digital model of the building can be used preparing their operational or renewal plans. The aim of the presented research is to analyze strengths, weaknesses, opportunities, and threats (SWOT) of preparation the initial data, heritage building 3D model development and parametric object databases creation. The object of the research is the Sapieha Palace built in Baroque style in 1689-1691 in the capital city of Lithuania. Applied research methods and tools -initial data collection by historical drawing analysis, manual measurement, photogrammetry methods, and "As-Built" 3D model creation.The results of the presented case study were analyzed by applying SWOT methodology as well as compared with the similar studies in the scientific literature. The research provides the basis for further construction heritage studies and analysis of possible object conversion issues.

Digitization of Physical Models of Rural Architecture

“…This method is quite inexpensive, but it is redeemed by the amount of time spent searching the archives and subsequent manual modelling (adding the third dimension). In addition, the plans for old buildings are often different from reality due to various reconstructions [4]. The resource also stresses that this procedure should be used in cases where a historic building is partially or completely destroyed.…”

“…One of the frequent applications of digital copies of existing objects is heritage conservation, that is, the management of historical buildings and smaller items [1], [2], [3]. For such objects, detailed spatial documentation is used for possible reconstruction or restoration [4]. However, it can also serve a promotional [5] and marketing purposeit can make the work (and the institution) more visible or present objects that are not exhibited and not accessible to the public.…”

“…Photogrammetry, specifically the Structure-from-Motion (SfM) method, allows the creation of 3D digital models of physical objects using a camera and powerful hardware [4]. A specialized program calculates the position of each point in space from images that capture the object from as many directions as possible (Figure 1).…”