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Designing with pixels: parametric thinking for patterning dynamic building facades

Zaki Mallasi (Building and Places, AECOM USA, Baltimore, Maryland, USA) (Effat University, Jeddah, Saudi Arabia)

Engineering, Construction and Architectural Management

ISSN: 0969-9988

Article publication date: 2 April 2019

Issue publication date: 20 May 2019

501

Abstract

Purpose

Advances in digital design tools enable exploration and generation of dynamic building facades. However, some processes are formally prescribed and manually driven to only visualize the design concepts. The purpose of this paper is to present a proactive framework for integrating parametric design thinking, paying particular attention to building facade patterning.

Design/methodology/approach

This work developed the PatternGen© add-on in Autodesk® Revit which utilizes an analytical image data (AID) overlay approach as a data source to dynamically pattern the building facade. The add-on was used to manipulate the placement rules of curtain panels on facade surface geometry. As means of validating this research model, a real-life design project has been chosen to illustrate the practical application of this approach. Feedback and observations from a short end-user questionnaire assessed qualitatively the facade patterning and panelization approach.

Findings

The proposed merge (or overlay) of AID images can be used as a parametric thinking method rather than just theory to generate and articulate dynamic facade design. The facade panelization responds to an AID that resembles design-performance data (e.g. solar exposure, interior privacy importance and aesthetics).

Originality/value

This work identifies a form of parametric thinking defined as the expression of geometrical relationships and its configuration dependent on the AID pixel Red Green Blue color source values. In this type of thinking, it explores the impact of the digital process and parametric thinking utility when driven by an AID overlay. The framework highlighted the practical application of AID pixel approach within a digital process to benefit both designers and computational tools developer on emerging design innovations.

Keywords

Acknowledgements

The author would like to thank Effat University for their endless support when providing time to write this paper. Much of the illustrations and work presented in this paper would not have been possible without the generous permission to utilize the New School of Business project as real-life case study project.

Citation

Mallasi, Z. (2019), "Designing with pixels: parametric thinking for patterning dynamic building facades", Engineering, Construction and Architectural Management, Vol. 26 No. 4, pp. 668-688. https://doi.org/10.1108/ECAM-11-2017-0242

Publisher

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Emerald Publishing Limited

Copyright © 2019, Emerald Publishing Limited

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