IntroductionComputational design has become widely accepted in architecture. However, few approaches use algorithmic and parametric resources supporting urban design in order to develop adaptable masterplans. This logic AbstractThis article focuses on the use of computational tools to provide dynamic assessment and optimized arrangements while planning and discussing interventions in urban areas. The objective is to address the use of algorithmic systems for generating and evaluating urban morphologies guided by Transit-Oriented Development principles. TransitOriented Development is an urban development model that considers geometric and measurable parameters for designing sustainable cities. It advocates compact mixed-use neighborhoods within walking distance to a variety of transportation options and amenities, seeking to result in optimized infrastructure provision and energy-efficient lowcarbon districts. This article presents algorithmic experiments for the optimization of a rapid transit district, through its urban morphology and services' location, providing an accurate Transit-Oriented Development modeling. The main findings of this study highlight that the combination of Transit-Oriented Development and algorithmic-parametric tools has the potential to significantly contribute to a process of responsible planning and, ultimately, to mitigate global warming.

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Este artigo apresenta e avalia a implementação de CityMetrics: um sistema computacional que articula métricas de avaliação de desempenho a recursos e funcionalidades algorítmico‑paramétricas, de maneira a permitir analisar e otimizar diferentes aspectos relativos ao grau de eficiência e as possibilidades de operação de configurações geométricas e algébricas de uma área urbana. Assim, este artigo aborda o uso de recursos computacionais e ferramentas algorítmicas elaboradas para mensurar a performance de áreas urbanas, sob a perspectiva de princípios objetivamente mensuráveis do Desenvolvimento Orientado pelo Transporte Sustentável, um modelo de desenvolvimento urbano que visa a cidades mais autônomas e mais sustentáveis. A presente pesquisa visa a verificar como atributos mensuráveis, geométricos e algébricos (e, portanto, programáveis) podem ser utilizados em um modelo computacional que utiliza métodos de otimização para dar suporte a tomada de decisão no processo de projetos urbanos.

This paper describes a system for searching and retrieving urban design drawings developed or contracted by public or governmental entities.We assume that in governmental public programs with similar goals recreating solutions is a daily action, which is, clearly, an unnecessary waste of time and resources.The system presented in this paper aims at concentrating and organizing this information in order to allow urban planners and designers to search for existing solutions to their projects and answers to their current needs. 262

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