Toward an Environmental Database: Exploring the material properties from the point cloud data of the existing environment

Abstract

The utilization of point cloud as a 3D laser scanning product has reached acrossmulti-disciplines in terms of data processing, data visualization, and dataanalysis. This study particularly investigates further the use of typical attributesof raw point cloud data consisting of XYZ (position information), RGB (colourinformation) and I (intensity information). By exploring the optical and thermalproperties of the given point cloud data, it aims at compensating the material andtexture information that is usually remained behind by architects during theconceptual design stage. Calculation of the albedo, emissivity and the reflectancevalues from the existing context specifically direct the architects to predict thetype of materials for the proposed design in order to keep the balance of thesurrounding Urban Heat Island (UHI) effect. Therefore, architects can have acomprehensive analysis of the existing context to deal with the microclimatecondition before a design decision phaseDesign Informatic