Gnomonic Projection
A nonconformal projection from a Sphere's center in which Orthodromes are straight Lines.
 |  |  | (1) |
 | |  | (2) |
where
 | (3) |
 | |  | (4) |
 | |  | (5) |
References
Coxeter, H. S. M. and Greitzer, S. L. Geometry Revisited. Washington, DC: Math. Assoc. Amer., pp. 150-153, 1967. Snyder, J. P. Map Projections--A Working Manual. U. S. Geological Survey Professional Paper 1395. Washington, DC: U. S. Government Printing Office, pp. 164-168, 1987.
- Conway's Life
- Conway Sphere
- Coordinate Geometry
- Coordinates
- Coordinate System
- Coordination Number
- Copeland-Erdös Constant
- Coplanar
- Coprime
- Copson-de Bruijn Constant
- Copson's Inequality
- Copula
- Cork Plug
- Corkscrew Surface
- Cornish-Fisher Asymptotic Expansion
- Cornucopia
- Cornu Spiral
- Corollary
- Corona (Polyhedron)
- Corona (Tiling)
- Correlation
- Correlation Coefficient
- Correlation Coefficient--Gaussian Bivariate Distribution
- Correlation Dimension
- Correlation Exponent