They should usually be unit vectors in the sphere. (Sometimes I think the length is <>1, but conceptually it should be 1. Use normalize() in doubt.)
When used as screen coordinates, it's x/y directly (I think), or viewport-related. But this is a different transformation and should be documented. G. Am 13.05.2016 06:27, schrieb Alexander Wolf: > Hi! > > 2016-05-13 8:27 GMT+07:00 André Moutinho <mouti...@gmail.com>: > >> Hello all, >> >> I have noticed the transformation function “project” uses vector >> Vec3f classes as input and output parameters. >> >> How is the RA/DEC and ALT/AZ information stored in such classes? And >> the x,y position in screen? > > Please see StelUtils.(hpp|cpp) for finding conversion of coordinates. > > -- > With best regards, Alexander > ------------------------------------------------------------------------------ > Mobile security can be enabling, not merely restricting. Employees who > bring their own devices (BYOD) to work are irked by the imposition of > MDM > restrictions. Mobile Device Manager Plus allows you to control only the > apps on BYO-devices by containerizing them, leaving personal data > untouched! > https://ad.doubleclick.net/ddm/clk/304595813;131938128;j > _______________________________________________ > Stellarium-pubdevel mailing list > Stellarium-pubdevel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/stellarium-pubdevel ------------------------------------------------------------------------------ Mobile security can be enabling, not merely restricting. Employees who bring their own devices (BYOD) to work are irked by the imposition of MDM restrictions. Mobile Device Manager Plus allows you to control only the apps on BYO-devices by containerizing them, leaving personal data untouched! https://ad.doubleclick.net/ddm/clk/304595813;131938128;j _______________________________________________ Stellarium-pubdevel mailing list Stellarium-pubdevel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/stellarium-pubdevel
