/[MITgcm]/MITgcm_contrib/darwin/pkg/radtrans/radtrans_localvec.F
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Revision 1.1 - (hide annotations) (download)
Wed Jun 9 15:59:37 2010 UTC (15 years, 1 month ago) by jahn
Branch: MAIN
CVS Tags: ctrb_darwin_ckpt63j_20120217, ctrb_darwin_ckpt62w_20110426, ctrb_darwin_ckpt62k_20101005, ctrb_darwin_ckpt63m_20120506, ctrb_darwin_ckpt66l_20171025, ctrb_darwin_ckpt66a_20161020, ctrb_darwin_ckpt62l_20101006, ctrb_darwin_ckpt65n_20150729, ctrb_darwin_ckpt64v_20140411, ctrb_darwin_ckpt62q_20110124, ctrb_darwin_ckpt65b_20140812, ctrb_darwin_ckpt62m_20101024, ctrb_darwin_ckpt63s_20120908, ctrb_darwin_ckpt62z_20110622, ctrb_darwin_ckpt65y_20160801, ctrb_darwin_ckpt66o_20180209, ctrb_darwin_ckpt63q_20120731, ctrb_darwin_ckpt62s_20110217, ctrb_darwin_ckpt63k_20120317, ctrb_darwin_ckpt64y_20140622, ctrb_darwin_ckpt64b_20121224, ctrb_darwin_ckpt64g_20130503, ctrb_darwin_ckpt65c_20140830, ctrb_darwin_ckpt62o_20101125, ctrb_darwin_ckpt64r_20131210, ctrb_darwin_ckpt65x_20160612, ctrb_darwin_ckpt66j_20170815, ctrb_darwin_ckpt64j_20130704, ctrb_darwin_ckpt65u_20160315, ctrb_darwin_ckpt62i_20100729, ctrb_darwin_ckpt62t_20110305, ctrb_darwin_ckpt62h_20100707, ctrb_darwin_ckpt64t_20140202, ctrb_darwin_ckpt64_20121012, ctrb_darwin_ckpt64s_20140105, ctrb_darwin_ckpt66k_20171025, ctrb_darwin_ckpt63i_20120124, ctrb_darwin_ckpt64h_20130528, ctrb_darwin_ckpt64u_20140308, ctrb_darwin_ckpt64k_20130723, ctrb_darwin_ckpt63g_20111220, ctrb_darwin_ckpt63b_20110830, ctrb_darwin_ckpt65s_20160114, ctrb_darwin_ckpt64a_20121116, ctrb_darwin_ckpt62p_20101217, ctrb_darwin_ckpt63_20110728, ctrb_darwin_ckpt62n_20101109, ctrb_darwin_ckpt62r_20110124, ctrb_darwin_ckpt62v_20110412, ctrb_darwin_ckpt64i_20130622, ctrb_darwin_ckpt65h_20141217, ctrb_darwin_ckpt65a_20140728, ctrb_darwin_ckpt63o_20120629, ctrb_darwin_ckpt63a_20110804, ctrb_darwin_ckpt66i_20170718, ctrb_darwin_ckpt62u_20110405, ctrb_darwin_ckpt66n_20180118, ctrb_darwin_ckpt65l_20150504, ctrb_darwin_ckpt63c_20111011, ctrb_darwin_ckpt65o_20150914, ctrb_darwin_ckpt62v_20110406, ctrb_darwin_ckpt65f_20141014, ctrb_darwin_ckpt63p_20120707, ctrb_darwin_ckpt64q_20131118, ctrb_darwin_ckpt65i_20150123, ctrb_darwin_ckpt63d_20111107, ctrb_darwin_ckpt66b_20161219, ctrb_darwin_ckpt65t_20160221, ctrb_darwin_ckpt65k_20150402, ctrb_darwin_ckpt64p_20131024, ctrb_darwin_ckpt65e_20140929, ctrb_darwin_ckpt64c_20130120, ctrb_darwin_ckpt64q_20131024, ctrb_darwin_ckpt65m_20150615, ctrb_darwin_ckpt64m_20130820, ctrb_darwin_ckpt66f_20170407, ctrb_darwin_ckpt63r_20120817, ctrb_darwin_ckpt65w_20160512, ctrb_darwin_ckpt62x_20110513, ctrb_darwin_ckpt65d_20140915, ctrb_darwin_ckpt63f_20111201, ctrb_darwin_ckpt64o_20131024, ctrb_darwin_ckpt64f_20130405, ctrb_darwin_ckpt65r_20151221, ctrb_darwin_ckpt65q_20151118, ctrb_darwin_ckpt66g_20170424, ctrb_darwin_ckpt65j_20150225, ctrb_darwin_ckpt64w_20140502, ctrb_darwin_ckpt62j_20100901, ctrb_darwin_ckpt63e_20111107, ctrb_darwin_ckpt64d_20130219, ctrb_darwin_ckpt63l_20120405, ctrb_darwin_ckpt66c_20170121, ctrb_darwin_ckpt64x_20140524, ctrb_darwin_ckpt66h_20170602, ctrb_darwin_ckpt66d_20170214, ctrb_darwin_ckpt63h_20111230, ctrb_darwin_ckpt64z_20140711, ctrb_darwin_ckpt65v_20160409, ctrb_darwin_ckpt65p_20151023, ctrb_darwin_ckpt65g_20141120, ctrb_darwin_ckpt63n_20120604, ctrb_darwin_ckpt64e_20130305, ctrb_darwin_ckpt66m_20171213, ctrb_darwin_ckpt66e_20170314, ctrb_darwin_ckpt64l_20130806, ctrb_darwin_ckpt65z_20160929, ctrb_darwin_ckpt62y_20110526, ctrb_darwin_ckpt65_20140718, ctrb_darwin_ckpt64n_20130826, HEAD 
add radtrans package
1 jahn 1.1 C $Header$
2     C $Name$
3    
4     #include "RADTRANS_OPTIONS.h"
5    
6     CBOP
7     C !ROUTINE: RADTRANS_LOCALVEC
8    
9     C !INTERFACE: ======================================================
10     subroutine radtrans_localvec(rad,xlon,ylat,
11     O up,no,ea)
12    
13     C !DESCRIPTION:
14     c Create arrays of up, north, and east vectors for fixed locations
15     c corresponding to these nwater indicators.
16     c
17     C !USES: ===========================================================
18     IMPLICIT NONE
19    
20     C !INPUT PARAMETERS: ===============================================
21     _RL rad, xlon,ylat
22     c INTEGER myThid
23    
24     C !OUTPUT PARAMETERS: ==============================================
25     _RL up(3),no(3),ea(3)
26    
27     C !FUNCTIONS: ======================================================
28    
29     C !LOCAL VARIABLES: ================================================
30     _RL rlon,cosx,sinx,rlat,cosy,siny,upxy
31     CEOP
32    
33    
34     c Compute local east, north, and vertical vectors
35     no = 0.0
36     ea = 0.0
37     up = 0.0
38     c
39     c Convert geodetic lat/lon to Earth-centered, earth-fixed (ECEF)
40     c vector (geodetic unit vector)
41     rlon = xlon/rad
42     cosx = cos(rlon)
43     sinx = sin(rlon)
44     rlat = ylat/rad
45     cosy = cos(rlat)
46     siny = sin(rlat)
47     c
48     c Compute the local up, East and North unit vectors
49     up(1) = cosy*cosx
50     up(2) = cosy*sinx
51     up(3) = siny
52     upxy = sqrt(up(1)*up(1)+up(2)*up(2))
53     ea(1) = -up(2)/upxy
54     ea(2) = up(1)/upxy
55     no(1) = up(2)*ea(3) - up(3)*ea(2) !cross product
56     no(2) = up(3)*ea(1) - up(1)*ea(3)
57     no(3) = up(1)*ea(2) - up(2)*ea(1)
58     write(6,*)'Local pointing vectors'
59     write(6,*)'no(2) = ',no
60     write(6,*)'ea(2) = ',ea
61     write(6,*)'up(2) = ',up
62     c
63     return
64     end
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