内容简介：The method
For a quick impression of myriahedral projections, see thevideo. Two minutes, no audio.
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| For a detailed answer what these maps look like and how to generate them, see: Jarke J. van Wijk. Unfolding the Earth: Myriahedral Projections . The Cartographic Journal, Vol. 45, No. 1, pp.32-42, February 2008. The article was awarded with the Henry Johns Award 2009 , run by the British Cartographic Society with the support of Lovell Johns, for the best Cartographic Journal article in 2008. The Cartographic Journal is published by Maney Publishing ( www.maney.co.uk ). A story on myriahedral projections in New Scientist can be found here. |
The method
- Project the globe on a myriahedron
- Label the edges as cuts or folds
- Unfold the globe
A myriahedron is a polyhedron with a very large number of faces. For this reason, we call the results myriahedral projections. In step 2 and 3, this myriahedron is cut open and unfolded. The resulting maps have a large number of interrupts, but are (almost) conformal and conserve areas.
Examples
Now, dependent on which mesh is used and which strategy for labeling the edges, different maps are obtained. First, one can cut along parallels or meridians. We call these graticular projections, since they are based on the graticule. The resulting images resemble familiar map projections.
Contact
Acknowledgements
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