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Real-Time Solar Exposure Simulation in Complex Cities

In urban design, estimating solar exposure on complex city models is crucial but existing solutions typically focus on simplified building models and are too demanding in terms of memory and computational time. In this paper, we propose an interactive technique that estimates solar exposure on detailed urban scenes. Given a directional exposure map computed over a given time period, we estimate the sky visibility factor that serves to evaluate the final exposure at each visible point. This is done using a screen-space method based on a two-scale approach, which is geometry independent and has low storage costs. Our method performs at interactive rates and is designer-oriented. The proposed technique is relevant in architecture and sustainable building design as it provides tools to estimate the energy performance of buildings as well as weathering effects in urban environments

This work was partially funded by TIN2014-52211-C2-2R project from Ministerio de Economía y Competitividad (Spain) and by the ANR under ref. ANR-16-CE33-0001 (France)

Wiley

Manager: Ministerio de Economía y Competitividad (Espanya)
Author: Muñoz-Pandiella, Imanol
Bosch Geli, Carles
Mérillou, Nicolas
Pueyo, Xavier
Mérillou, Stéphane
Abstract: In urban design, estimating solar exposure on complex city models is crucial but existing solutions typically focus on simplified building models and are too demanding in terms of memory and computational time. In this paper, we propose an interactive technique that estimates solar exposure on detailed urban scenes. Given a directional exposure map computed over a given time period, we estimate the sky visibility factor that serves to evaluate the final exposure at each visible point. This is done using a screen-space method based on a two-scale approach, which is geometry independent and has low storage costs. Our method performs at interactive rates and is designer-oriented. The proposed technique is relevant in architecture and sustainable building design as it provides tools to estimate the energy performance of buildings as well as weathering effects in urban environments
This work was partially funded by TIN2014-52211-C2-2R project from Ministerio de Economía y Competitividad (Spain) and by the ANR under ref. ANR-16-CE33-0001 (France)
Document access: http://hdl.handle.net/2072/300674
Language: eng
Publisher: Wiley
Rights: Tots els drets reservats
Subject: Energia solar
Infografia
Solar energy
Computer graphics
Title: Real-Time Solar Exposure Simulation in Complex Cities
Type: info:eu-repo/semantics/article
Repository: Recercat

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