The World experiences a significant growth in population coupled with fast urbanization processes particularly in the Southern hemisphere, which puts an enormous pressure on cities, giving rise to numerous social, infrastructural, ecological, and urban problems. In this context, the formal sector is often unable to provide adequate housing for this growing population who resorts to self-help processes that lead to informal settlements. This paper focuses on the development of an analytical shape grammar for Santa Marta, the iconic settlement used as a critical case study, whose rules describe the generation of the self-constructed urban fabric. The methodology includes an analysis of the built shape and the physical urban relations. The resulting model is a shape grammar that recreates the urban fabric of Santa Marta. Future work includes the evaluation of the settlement’s urban space and the corresponding transformation of the analytic grammar to generate a synthetic grammar for planning new housing settlements.

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xxii congresso da sociedade iberoamericana de gráfica digital 22th conference of the iberoamerican society of digital graphics 07|08|09|novembro|2018 iau usp | são carlos | sp br

The research presented here aims to understand how spontaneous occupation in informal settlements evolves, how to develop guidelines for the requalification of these settlements, and how to plan new settlements in similar conditions. This paper focuses on the use of a parametric urban grammar as a methodology to describe the complex urban form of informal settlements, explaining how buildings and pathways create the maze-like urban structure, how different building typologies are located according to internal and external forces like topography, and urban context and functional organization of these buildings.

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