About the Authors

Su Yun Kang

s7.kang@qut.edu.au

Affiliations Mathematical Sciences School, Queensland University of Technology, Brisbane, Queensland, Australia, Cooperative Research Centre for Spatial Information, Melbourne, Victoria, Australia

James McGree

Affiliations Mathematical Sciences School, Queensland University of Technology, Brisbane, Queensland, Australia, Cooperative Research Centre for Spatial Information, Melbourne, Victoria, Australia

Kerrie Mengersen

Affiliations Mathematical Sciences School, Queensland University of Technology, Brisbane, Queensland, Australia, Cooperative Research Centre for Spatial Information, Melbourne, Victoria, Australia

Competing Interests

The authors have the following interests. The work has been supported by the Cooperative Research Centre for Spatial Information. All authors are affiliated with the CRC for Spatial Information. There are no patents, products in development or marketed products to declare. This does not alter their adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: SYK JM KM. Performed the experiments: SYK. Analyzed the data: SYK. Wrote the paper: SYK.