Qibla, and Related, Map Projections

@article{Tobler2002QiblaAR,
  title={Qibla, and Related, Map Projections},
  author={Waldo Tobler},
  journal={Cartography and Geographic Information Science},
  year={2002},
  volume={29},
  pages={17 - 23}
}
  • W. Tobler
  • Published 1 January 2002
  • Physics
  • Cartography and Geographic Information Science
The qibla problem—determination of the direction to Mecca—has given rise to retro-azimuthal map projections, an interesting, albeit unusual and little known, class of map projections. Principal contributors to this subject were Craig and Hammer, both writing in 1910. A property of retro-azimuthal projections is that the parallels are bent downwards towards the equator. The resulting maps, when extended to the entire world, thus must overlap themselves. An unusual recent discovery from Iran… 
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  • Mathematics
    Journal of Near Eastern Studies
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THE qibla, or direction of Mecca, defines the direction of prayer in Islam.' The determination of the qibla for a given locality is a mathematical problem of some complexity which was of considerable
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  • Physics
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Presents an overview of the ways in which Muslims over the centuries have determined the sacred direction towards Mecca (qibla) and then describes, in detail, two 17th-century brass Iranian maps
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