hdl2ae

PURPOSE

[A,E]=hdl2ae(H,d,L)

SYNOPSIS

function [A,E]=hdl2ae(H,d,L)

DESCRIPTION

 [A,E]=hdl2ae(H,d,L)

 Transform Hour angle & Declination H,d at Latitude L
 to Azimuth, Elevation A,E according to
 TMS Eqn A4.1. Azimuth is measured from north
 through east.

CROSS-REFERENCE INFORMATION

This function calls:

This function is called by:

FitsRADECMap script to plot data taken over a time series on the Northern RX
calcAzElCsSa_ACT %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
projbase [u,v,w,za,b,t]=projbase(x,y,z,lat,dec,ha,antdia)
calcAzEl %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
calcAzElCs %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
rad_set function rad_set(lststart,lstspace, lstfinish)
rad_set_south function rad_set_south(lststart,lstspace, lstfinish)
star_set star_set(lst)
trackTest d = read_arc('24-sep-2009:22:05:00', '25-sep-2009:02:00:00');

SOURCE CODE

0001 function [A,E]=hdl2ae(H,d,L)
0002 % [A,E]=hdl2ae(H,d,L)
0003 %
0004 % Transform Hour angle & Declination H,d at Latitude L
0005 % to Azimuth, Elevation A,E according to
0006 % TMS Eqn A4.1. Azimuth is measured from north
0007 % through east.
0008 
0009 sinH=sin(H); cosH=cos(H);
0010 sind=sin(d); cosd=cos(d);
0011 sinL=sin(L); cosL=cos(L);
0012 
0013 E=asin(sinL.*sind+cosL.*cosd.*cosH);
0014 A=atan2(-cosd.*sinH,cosL.*sind-sinL.*cosd.*cosH);
0015 
0016 return