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Duplicating road patterns in South African informal settlements using procedural techniques

conference contribution
posted on 2006-01-01, 00:00 authored by K Glass, C Morkel, Shaun BangayShaun Bangay
The formation of informal settlements in and around urban complexes has largely been ignored in the context of procedural city modeling. However, many cities in South Africa and globally can attest to the presence of such settlements. This paper analyses the phenomenon of informal settlements from a procedural modeling perspective. Aerial photography from two South African urban complexes, namely Johannesburg and Cape Town is used as a basis for the extraction of various features that distinguish different types of settlements. In particular, the road patterns which have formed within such settlements are analysed, and various procedural techniques proposed (including Voronoi diagrams, subdivision and L-systems) to replicate the identified features. A qualitative assessment of the procedural techniques is provided, and the most suitable combination of techniques identified for unstructured and structured settlements. In particular it is found that a combination of Voronoi diagrams and subdivision provides the closest match to unstructured informal settlements. A combination of L-systems, Voronoi diagrams and subdivision is found to produce the closest pattern to a structured informal settlement.

History

Event

International conference on computer graphics, virtual reality, visualisation and interaction in Africa (4th : 2006 : Cape Town, South Africa)

Pagination

161 - 169

Publisher

Association for Computer Machinery

Location

Cape Town, South Africa

Place of publication

New York, N.Y.

Start date

2006-01-25

End date

2006-01-27

ISBN-10

1595932887

Language

eng

Publication classification

E1.1 Full written paper - refereed

Copyright notice

2006, ACM

Editor/Contributor(s)

S Spencer

Title of proceedings

Afrigraph '06 : Proceedings of the 4th international conference on computer graphics, virtual reality, visualisation and interaction in Africa

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