Turner, A.; (2004) Depthmap 4: a researcher's handbook. Bartlett School of Graduate Studies, University College London: London, UK.

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Abstract

This document gives an overview of the features available in Depthmap version 4. Depthmap is primarily a computer program to perform visibility analysis of architectural and urban systems. It takes input in the form of a plan of the system, and is able to construct a map of `visually integrated' locations within it. In addition, the most recent version of Depthmap now supplies a range of configurational analyses which come under the umbrella term of `space syntax'. Space syntax analyses examine the relationships between components of space; each analysis starts with a representation of the spatial components, then makes a graph of these components, and finally analyses this graph using, for the most part, conventional graph theoretical measures. The analyses available within Depthmap include the original visibility analysis, generation and analysis of axial maps as well as segment analysis. In addition, a plug-in module gives users the ability to perform agent-based analysis, and a `software developers' kit' (SDK) allows users to program their own graph analysis. Depthmap was first written for the Silicon Graphics IRIX operating system as a simple isovist processing program in 1998. Since then it has gone through several metamorphoses to reach the current version 4, for the Windows platform. It is designed to run on Windows 2000 and XP operating systems. This document is still in draft form; as yet, figures are still to be added, as are the appendices. The version of Depthmap it describes (4.06r) is newly released. iii

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