A COMPARATIVE GALLERY OF OCTAHEDRAL WORLD MAPS
Compiled by Gene Keyes
Type
Aspect
Meridian
Geocells
Original size
http://www.genekeyes.com/CAHILL_GALLERY/1976-Lee-Conformal.html
http://www.genekeyes.com/CAHILL_GALLERY/1976-Lee-Conformal.jpg
| B.J.S CAHILL'S BUTTERFLY MAP AND
BEYOND: A COMPARATIVE GALLERY OF OCTAHEDRAL WORLD MAPS Compiled by Gene Keyes |
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| Date |
Author |
This scale |
<— Source |
<— % change |
| 1976 |
L.P. Lee |
1/200 M |
1/204 M |
102% |
Type |
Aspect |
Defining Meridian |
Geocells |
Original size |
| Conformal |
N. Atlantic |
20° |
10° |
197 x 113 mm |
| Remarks: |
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| More an academic exercise illustrating conformal formulas; no
discussion on the merits of a Cahill octrahedral map. Wrongly attributes the
Butterfly Map to Oscar S. Adams, who only computed a conformal version at Cahill's
request, some 20 years after Cahill had invented it |
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| Source (print) |
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| L.P. Lee, "Conformal Projections Based on Elliptic Functions"
(Cartographica, Monograph No. 16, Supplement No. 1 to Canadian Cartographer,
v. 13, 1976) p. 61 |
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| Source (online: page title & link) |
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| This page: http://www.genekeyes.com/CAHILL_GALLERY/1976-Lee-Conformal.html |
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| Source (online: item link) |
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This page: http://www.genekeyes.com/CAHILL_GALLERY/1976-Lee-Conformal.jpg |
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