Abstract
Abstract. Considering various fields of applications for building surveying and various demands, geometry representation of a building is the most crucial aspect of a building survey. The interiors of the buildings need to be described along with the relative locations of the rooms, corridors, doors and exits in many kinds of emergency response, such as fire, bombs, smoke, and pollution. Topological representation is a challenging task within the Geography Information Science (GIS) environment, as the data structures required to express these relationships are particularly difficult to develop. Even within the Computer Aided Design (CAD) community, the structures for expressing the relationships between adjacent building parts are complex and often incomplete. In this paper, an integration of 3D topological indoor building modeling in Dual Half Edge (DHE) data structure and outdoor navigation network from Open Street Map (OSM) is presented.
Highlights
According to Donath and Thurow (2007), considering various fields of applications for building surveying and various demands, geometry representation of a building is the most crucial aspect of a building survey
Final 3D model consists of valid cells which are connected properly modelled by Dual Half Edge (DHE) data structure with proper associated attributes
DHE data structure is used for 3D building modeling
Summary
According to Donath and Thurow (2007), considering various fields of applications for building surveying and various demands, geometry representation of a building is the most crucial aspect of a building survey. Topological representation has been a difficult task within the GIS environment, as the data structures required to express these relationships, are difficult to develop. 4) A photogrammetry technique uses un-calibrated non-metric cameras to extract 3D information from a scene of images. 2) Traditional surveying with a Total Station or equivalent is possible, but conversion of captured data points into a building model requires complex, and so far unavailable, software. For indoor surveying it is as simple as taking pictures. 3D topological modeling of indoor building using DHE data structure is presented.
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