Inherits ltl::CCS.
ltl::CCS_TAN::CCS_TAN | ( | const FVector< double, 2 > & | crpix_in, | |
const FMatrix< double, 2, 2 > & | pc_in, | |||
const FVector< double, 2 > & | cdelt_in, | |||
const FVector< double, 2 > & | crval_in | |||
) | [inline] |
virtual FVector<double, 2> ltl::CCS_TAN::x_nc | ( | const FVector< double, 2 > & | nc | ) | const [inline, virtual] |
Implements ltl::CCS.
calculate native coordinates ,
in rad from celestial coordinates
calculate celestial coordinates ,
from native coords in rad
return intermediate WCs
calculate orig. coordinates from intermed WCs (slow version!)
double ltl::CCS::phi_0 [protected, inherited] |
angles in rad
double ltl::CCS::theta_0 [protected, inherited] |
double ltl::CCS::alpha_0 [protected, inherited] |
double ltl::CCS::delta_0 [protected, inherited] |
double ltl::CCS::phi_p [protected, inherited] |
double ltl::CCS::theta_p [protected, inherited] |
double ltl::CCS::alpha_p [protected, inherited] |
double ltl::CCS::delta_p [protected, inherited] |
double ltl::CCS::c_dp [protected, inherited] |
double ltl::CCS::s_dp [protected, inherited] |