Software

A toolkit for interactive urban visual analytics.
Explore 3D maps, integrate spatial data, and run GPU-powered analyses—all in the browser.

Explore Autark

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Preparing the Niterói map.

click & drag → pan wheel → zoom shift + click & drag → rotate
Curio

A framework for collaborative urban visual analytics.
Build dataflows that connect data processing and interactive visualizations while tracking provenance.

Explore Curio

Selected Papers

Reveal interface presented at SIBGRAPI 2026
Reveal: A Provenance-Aware System for Multimodal Urban Data Exploration

L. Ferreira, M. Hosseini, J. Rulff, F. Miranda, A. Paes, D. de Oliveira, M. Lage. SIBGRAPI. 2026.

PROTECTOR preventive police patrol route diagrams
Optimizing Preventive Police Patrol Routes in Brazilian Cities Using a GRASP-Based Routing Heuristic

I. Rosseti, E. Canellas, W. Santos, M. Lage, Y. Frota, D. de Oliveira. Journal of Internet Services and Applications. 2026.

Real-time Monitoring and Historical Analysis of Rainfall and Its Impacts on Urban Areas

F. Victorino, F. Miranda, A. Paes, D. Oliveira, M. Lage. SIBGRAPI. 2025.

Curio: A Dataflow-Based Framework for Collaborative Urban Visual Analytics.

G. Moreira, M. Hosseini, C. de Souza, L. Alexandre, D. Oliveira, N. Ferreira, M. Lage, F. Miranda. IEEE VIS. 2024.

Assessing the Landscape of Toolkits, Frameworks, and Authoring Tools for Urban Visual Analytics Systems

L. Ferreira, G. Moreira, M. Hosseini, M. Lage, N. Ferreira, F. Miranda. Computers & Graphics. 2024.

The State of the Art in Visual Analytics for 3D Urban Data

F. Miranda, T. Ortner, G. Moreira, M. Hosseini, M. Vuckovic, F. Biljecki, C. Silva, M. Lage, N. Ferreira. EUROVIS. 2024.

Deep Umbra: A Generative Approach for Sunlight Access Computation in Urban Spaces

K.S. Omar, G. Moreira, D. Hodczak, M. Hosseini, N. Colaninno, M. Lage, F. Miranda. IEEE Transactions on Big Data. 2024.

The Urban Toolkit: A Grammar-based Framework for Urban Visual Analytics

G. Moreira, M. Hosseini, N.A. Nipu, M. Lage, N. Ferreira, F. Miranda. IEEE VIS. 2023.

PROWIS: A visual approach for building, managing, and analyzing weather simulation ensembles in runtime

C. V. F. de Souza, S. M. Bonnet, D. de Oliveira, M. Cataldi, F. Miranda, M. Lage. IEEE VIS. 2023.

Tinycubes: A modular technology for interactive visual analysis of historical and continuously updated spatiotemporal data

N. L. Damasceno, M. Lage, A. A. de A. Rocha. FGCS. 2023.

Urban Rhapsody: Large-scale Visual Exploration of Urban Soundscapes

J. Rulff, F. Miranda, M. Hosseini, M. Lage, M. Cartwright, G. Dove, J. Bello, C. Silva. EUROVIS. 2022.

A Comparison of Spatiotemporal Visualizations for 3D Urban Analytics

R. Mota, N. Ferreira, J. D. Silva, M. Horga, M. Lage, L. Ceferino, U. Alim, E. Sharlin, F. Miranda. IEEE VIS. 2022.

Visualizing simulation ensembles of extreme weather events

C. V. F. de Souza, P. C. L. Barcellos, L. Crissaff, M. Cataldi, F. Miranda, M. Lage. C&G. 2022.

UrbanRama: Navigating Cities in Virtual Reality

S. Chen, F. Miranda, N.Ferreira, M. Lage, H. Doraiswamy, C. Brenner, C. Defanti, M. Koutsoubis, L. Wilson, K. Perlin, C. Silva. IEEE TVCG. 2021.

Urban Mosaic: Visual Exploration of Streetscapes Using Large-Scale Image Data

F. Miranda, M. Hosseini, M. Lage, H. Doraiswamy, G. Dove, C. Silva. ACM CHI. 2020.

Shadow Accrual Maps: Efficient Accumulation of City-Scale Shadows over Time

F. Miranda, H. Doraiswamy, M. Lage, L. Wilson, M. Hsieh, C. Silva. IEEE TVCG. 2019.

Time Lattice: A Data Structure for the Interactive Visual Analysis of Large Time Series

F. Miranda, M. Lage, H. Doraiswamy, C. Mydlarz, J. Salamon, Y. Lockerman, J. Freire, C. T. Silva. EUROVIS. 2018.

Interactive Visual Exploration of Spatio-Temporal Urban Data Sets using Urbane

H. Doraiswamy, E. Tzirita Zacharatou, F. Miranda, M. Lage, A. Ailamaki, C. T. Silva, J. Freire. SIGMOD. 2018.

Urban Pulse: Capturing the Rhythm of Cities

F. Miranda, H. Doraiswamy, M. Lage, K. Zao, B. Goncalves, L. Wilson, M. Hsieh, C. Silva. IEEE VIS. 2016.

StatCast Dashboard: Exploration of Spatiotemporal Baseball Data

M. Lage, J. H. Ono, D. Cervone, J. Chiang, C. Dietrich, C. Silva. CGA. 2016.

Topology-based Catalogue Exploration Framework for Identifying View-Enhanced Tower Designs

H. Doraiswamy, N. Ferreira, M. Lage, H. Vo, L. Wilson, H. Werner, M. Park, C. Silva. ACM SIGGRAPH Asia. 2015.

Urbane: A 3D Framework to Support Data Driven Decision Making in Urban Development

N. Ferreira, M. Lage, H. Doraiswamy, H. Vo, L. Wilson, H. Werner, M. Park, C. Silva. IEEE VAST. 2015.

Flows with suspended and floating particles

M. Lage, H. Lopes and M. da S. Carvalho. JCP. 2011.

Meshless Helmholtz-Hodge Decomposition

F. Petronetto, A. Paiva, M. Lage, G. Tavares, H. Lopes and T. Lewiner. IEEE TVCG. 2009.

CHF: A scalable topological data-structure for tetrahedral meshes

M. Lage, T. Lewiner, H. Lopes, L. Velho. Proc. SIBGRAPI. 2005.