an abstract class representing projections of the sphere to the plane
Every pole figure or inverse pole figure needs one - it turns a vector3d into the x and y of the axes, and back. Which one is used is picked by a flag of the plotting command, see makeSphericalProjection.
Syntax
sP = eareaProjection(sR)
[x,y] = sP.project(v)
v = sP.iproject(x,y)Input
| sR | sphericalRegion the projection is restricted to |
| v | vector3d |
| x, y | plane coordinates |
Class Properties
| sR | sphericalRegion the projection is restricted to |
| pC | plottingConvention, which direction points east |
| antipodal | identify v and -v |
Derived Classes
| eareaProjection | equal area, Schmidt, the MTEX default |
| eangleProjection | equal angle, stereographic, conformal |
| edistProjection | equal distance |
| gnonomicProjection | gnomonic, great circles become lines |
| orthographicProjection | orthographic, the sphere as seen from far away |
| squareProjection | equal area onto a square |
| plainProjection | plain polar angles, no projection at all |
| full3dProjection | no projection, the sphere is drawn in 3d |