Hexagonal hierarchical cartogram: Towards a thematic map of Brazil

Authors

  • Moises Colares Barreto School of Fine Arts - Federal University of Rio de Janeiro
  • Doris Kosminsky School of Fine Arts - Federal University of Rio de Janeiro
  • Claudio Esperança Computer Science - Federal University of Rio de Janeiro

DOI:

https://doi.org/10.51358/id.v15i1.563

Keywords:

thematic maps, cartograms, hexagonal hierarchical cartogram, Brazil

Abstract

The popularity and availability of digital tools has boosted the use of thematic maps in infographics and data visualizations. Unlike general purpose maps, thematic maps are aimed at communicating the spatial distribution of a particular topic or theme, such as population density, voter preference or income. Since thematic maps have been more often studied and tailored for European and North American countries, some of them need adjustment to properly represent Brazilian states, according to their needs. The aim of this paper is to present the hexagonal hierarchical cartogram, which represents Brazilian states in a normalized geographical format using single-hue color scales to show magnitude. We demonstrate its use by mapping average grades obtained by students of all Brazilian states in a national exam called ENEM (Exame Nacional do Ensino Médio).

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Author Biographies

Moises Colares Barreto, School of Fine Arts - Federal University of Rio de Janeiro

Undergraduate student in Visual Communication

Doris Kosminsky, School of Fine Arts - Federal University of Rio de Janeiro

Professora do curso de Comunicação Visual Design, do Programa de Pós-Graduação em Artes Visuais (Linha Poéticas Interdisciplinares - PPGAV) e do Programa de Pós-Graduação em Design Visual (PPGDV) da Escola de Belas Artes da UFRJ onde coordena o Laboratório da Visualidade e Visualização - LabVis / EBA-UFRJ.

Claudio Esperança, Computer Science - Federal University of Rio de Janeiro

Possui graduação em Engenharia Eletrônica pela Universidade Federal do Rio de Janeiro (1980), mestrado em Engenharia de Sistemas e Computação pela Universidade Federal do Rio de Janeiro (1990) e doutorado em Ciência da Computação pela Universidade de Maryland (1995). Atualmente é professor associado da Universidade Federal do Rio de Janeiro.

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Published

2018-08-28

How to Cite

Colares Barreto, M., Kosminsky, D., & Esperança, C. (2018). Hexagonal hierarchical cartogram: Towards a thematic map of Brazil. InfoDesign - Journal of Information Design, 15(1), 45–62. https://doi.org/10.51358/id.v15i1.563

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