| 1 |
! |
module fxy_m |
|
! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/fxy.F,v 1.1.1.1 2004/05/19 12:53:06 lmdzadmin Exp $ |
|
|
! |
|
|
SUBROUTINE fxy (rlatu,yprimu,rlatv,yprimv,rlatu1,yprimu1, |
|
|
, rlatu2,yprimu2, |
|
|
, rlonu,xprimu,rlonv,xprimv,rlonm025,xprimm025,rlonp025,xprimp025) |
|
|
|
|
|
use dimens_m |
|
|
use paramet_m |
|
|
use comconst |
|
|
use serre |
|
|
IMPLICIT NONE |
|
|
|
|
|
c Auteur : P. Le Van |
|
|
c |
|
|
c Calcul des longitudes et des latitudes pour une fonction f(x,y) |
|
|
c a tangente sinusoidale et eventuellement avec zoom . |
|
|
c |
|
|
c |
|
|
|
|
|
INTEGER i,j |
|
|
|
|
|
REAL rlatu(jjp1), yprimu(jjp1),rlatv(jjm), yprimv(jjm), |
|
|
, rlatu1(jjm), yprimu1(jjm), rlatu2(jjm), yprimu2(jjm) |
|
|
REAL rlonu(iip1),xprimu(iip1),rlonv(iip1),xprimv(iip1), |
|
|
, rlonm025(iip1),xprimm025(iip1), rlonp025(iip1),xprimp025(iip1) |
|
|
|
|
|
include "fxy_new.h" |
|
|
|
|
|
|
|
|
c ...... calcul des latitudes et de y' ..... |
|
|
c |
|
|
DO j = 1, jjm + 1 |
|
|
rlatu(j) = fy ( FLOAT( j ) ) |
|
|
yprimu(j) = fyprim( FLOAT( j ) ) |
|
|
ENDDO |
|
|
|
|
|
|
|
|
DO j = 1, jjm |
|
|
|
|
|
rlatv(j) = fy ( FLOAT( j ) + 0.5 ) |
|
|
rlatu1(j) = fy ( FLOAT( j ) + 0.25 ) |
|
|
rlatu2(j) = fy ( FLOAT( j ) + 0.75 ) |
|
|
|
|
|
yprimv(j) = fyprim( FLOAT( j ) + 0.5 ) |
|
|
yprimu1(j) = fyprim( FLOAT( j ) + 0.25 ) |
|
|
yprimu2(j) = fyprim( FLOAT( j ) + 0.75 ) |
|
|
|
|
|
ENDDO |
|
|
|
|
|
c |
|
|
c ..... calcul des longitudes et de x' ..... |
|
|
c |
|
|
DO i = 1, iim + 1 |
|
|
rlonv(i) = fx ( FLOAT( i ) ) |
|
|
rlonu(i) = fx ( FLOAT( i ) + 0.5 ) |
|
|
rlonm025(i) = fx ( FLOAT( i ) - 0.25 ) |
|
|
rlonp025(i) = fx ( FLOAT( i ) + 0.25 ) |
|
|
|
|
|
xprimv (i) = fxprim ( FLOAT( i ) ) |
|
|
xprimu (i) = fxprim ( FLOAT( i ) + 0.5 ) |
|
|
xprimm025(i) = fxprim ( FLOAT( i ) - 0.25 ) |
|
|
xprimp025(i) = fxprim ( FLOAT( i ) + 0.25 ) |
|
|
ENDDO |
|
|
|
|
|
c |
|
|
RETURN |
|
|
END |
|
| 2 |
|
|
| 3 |
|
IMPLICIT NONE |
| 4 |
|
|
| 5 |
|
private |
| 6 |
|
public fxy |
| 7 |
|
|
| 8 |
|
contains |
| 9 |
|
|
| 10 |
|
SUBROUTINE fxy(rlatu, yprimu, rlatv, yprimv, rlatu1, yprimu1, rlatu2, & |
| 11 |
|
yprimu2, rlonu, xprimu, rlonv, xprimv, rlonm025, xprimm025, rlonp025, & |
| 12 |
|
xprimp025) |
| 13 |
|
|
| 14 |
|
! From dyn3d/fxy.F, v 1.1.1.1 2004/05/19 12:53:06 |
| 15 |
|
! Auteur : P. Le Van |
| 16 |
|
! Calcul des longitudes et des latitudes pour une fonction f(x, y) |
| 17 |
|
! à tangente sinusoïdale et éventuellement avec zoom. |
| 18 |
|
|
| 19 |
|
USE dimens_m, ONLY : iim, jjm |
| 20 |
|
|
| 21 |
|
REAL, INTENT (OUT) :: rlatu(jjm + 1), yprimu(jjm + 1), rlatv(jjm) |
| 22 |
|
REAL, INTENT (OUT) :: yprimv(jjm) |
| 23 |
|
REAL, INTENT (OUT) :: rlatu1(jjm) |
| 24 |
|
REAL, INTENT (OUT) :: yprimu1(jjm), rlatu2(jjm), yprimu2(jjm) |
| 25 |
|
REAL, INTENT (OUT) :: rlonu(iim + 1), xprimu(iim + 1), rlonv(iim + 1) |
| 26 |
|
REAL, INTENT (OUT) :: xprimv(iim + 1) |
| 27 |
|
REAL, INTENT (OUT) :: rlonm025(iim + 1), xprimm025(iim + 1) |
| 28 |
|
REAL, INTENT (OUT) :: rlonp025(iim + 1) |
| 29 |
|
REAL, INTENT (OUT) :: xprimp025(iim + 1) |
| 30 |
|
|
| 31 |
|
! Variables local to the procedure: |
| 32 |
|
|
| 33 |
|
INTEGER i, j |
| 34 |
|
|
| 35 |
|
!------------------------------------------------------------ |
| 36 |
|
|
| 37 |
|
! Calcul des latitudes et de y' |
| 38 |
|
|
| 39 |
|
DO j = 1, jjm + 1 |
| 40 |
|
rlatu(j) = fy(real(j)) |
| 41 |
|
yprimu(j) = fyprim(real(j)) |
| 42 |
|
END DO |
| 43 |
|
|
| 44 |
|
DO j = 1, jjm |
| 45 |
|
rlatv(j) = fy(real(j) + 0.5) |
| 46 |
|
rlatu1(j) = fy(real(j) + 0.25) |
| 47 |
|
rlatu2(j) = fy(real(j) + 0.75) |
| 48 |
|
|
| 49 |
|
yprimv(j) = fyprim(real(j) + 0.5) |
| 50 |
|
yprimu1(j) = fyprim(real(j) + 0.25) |
| 51 |
|
yprimu2(j) = fyprim(real(j) + 0.75) |
| 52 |
|
END DO |
| 53 |
|
|
| 54 |
|
! Calcul des longitudes et de x' |
| 55 |
|
|
| 56 |
|
DO i = 1, iim + 1 |
| 57 |
|
rlonv(i) = fx(real(i)) |
| 58 |
|
rlonu(i) = fx(real(i) + 0.5) |
| 59 |
|
rlonm025(i) = fx(real(i) - 0.25) |
| 60 |
|
rlonp025(i) = fx(real(i) + 0.25) |
| 61 |
|
|
| 62 |
|
xprimv(i) = fxprim(real(i)) |
| 63 |
|
xprimu(i) = fxprim(real(i) + 0.5) |
| 64 |
|
xprimm025(i) = fxprim(real(i) - 0.25) |
| 65 |
|
xprimp025(i) = fxprim(real(i) + 0.25) |
| 66 |
|
END DO |
| 67 |
|
|
| 68 |
|
END SUBROUTINE fxy |
| 69 |
|
|
| 70 |
|
!****************************************************** |
| 71 |
|
|
| 72 |
|
! From grid/fxy_new.h, v 1.1.1.1 2004/05/19 12:53:05 |
| 73 |
|
|
| 74 |
|
REAL FUNCTION ripx(ri) |
| 75 |
|
|
| 76 |
|
! stretching in x |
| 77 |
|
|
| 78 |
|
USE nr_util, ONLY : pi |
| 79 |
|
USE dimens_m, ONLY : iim |
| 80 |
|
|
| 81 |
|
REAL, INTENT (IN) :: ri |
| 82 |
|
|
| 83 |
|
ripx = (ri - 1.) * 2 * pi / REAL(iim) |
| 84 |
|
|
| 85 |
|
end function ripx |
| 86 |
|
|
| 87 |
|
!****************************************************** |
| 88 |
|
|
| 89 |
|
REAL FUNCTION fx(ri) |
| 90 |
|
|
| 91 |
|
! stretching in x |
| 92 |
|
USE nr_util, ONLY : pi |
| 93 |
|
USE serre, ONLY : alphax, pxo, transx |
| 94 |
|
REAL, INTENT (IN) :: ri |
| 95 |
|
|
| 96 |
|
fx = ripx(ri) + transx + alphax * SIN(ripx(ri) + transx - pxo) - pi |
| 97 |
|
|
| 98 |
|
end function fx |
| 99 |
|
|
| 100 |
|
!****************************************************** |
| 101 |
|
|
| 102 |
|
REAL FUNCTION fxprim(ri) |
| 103 |
|
|
| 104 |
|
! stretching in x |
| 105 |
|
|
| 106 |
|
USE nr_util, ONLY : pi |
| 107 |
|
USE serre, ONLY : alphax, pxo, transx |
| 108 |
|
USE dimens_m, ONLY : iim |
| 109 |
|
|
| 110 |
|
REAL, INTENT (IN) :: ri |
| 111 |
|
|
| 112 |
|
fxprim = 2 * pi / REAL(iim) * (1. + alphax * COS(ripx(ri) + transx - pxo)) |
| 113 |
|
|
| 114 |
|
end function fxprim |
| 115 |
|
|
| 116 |
|
!****************************************************** |
| 117 |
|
|
| 118 |
|
REAL FUNCTION bigy(rj) |
| 119 |
|
|
| 120 |
|
! stretching in y |
| 121 |
|
USE nr_util, ONLY : pi |
| 122 |
|
USE dimens_m, ONLY : jjm |
| 123 |
|
REAL, INTENT (IN) :: rj |
| 124 |
|
|
| 125 |
|
bigy = 2 * (REAL(jjm + 1) - rj) * pi / jjm |
| 126 |
|
|
| 127 |
|
end function bigy |
| 128 |
|
|
| 129 |
|
!****************************************************** |
| 130 |
|
|
| 131 |
|
REAL FUNCTION fy(rj) |
| 132 |
|
|
| 133 |
|
! stretching in y |
| 134 |
|
USE nr_util, ONLY : pi |
| 135 |
|
USE serre, ONLY : alphay, pyo, transy |
| 136 |
|
REAL, INTENT (IN) :: rj |
| 137 |
|
|
| 138 |
|
fy = (bigy(rj) + transy + alphay * SIN(bigy(rj) + transy - pyo)) / 2 & |
| 139 |
|
- pi / 2 |
| 140 |
|
|
| 141 |
|
end function fy |
| 142 |
|
|
| 143 |
|
!****************************************************** |
| 144 |
|
|
| 145 |
|
REAL FUNCTION fyprim(rj) |
| 146 |
|
|
| 147 |
|
! stretching in y |
| 148 |
|
|
| 149 |
|
USE nr_util, ONLY : pi |
| 150 |
|
USE serre, ONLY : alphay, pyo, transy |
| 151 |
|
USE dimens_m, ONLY : jjm |
| 152 |
|
|
| 153 |
|
REAL, INTENT (IN) :: rj |
| 154 |
|
|
| 155 |
|
fyprim = (pi / jjm) * (1. + alphay * COS(bigy(rj) + transy - pyo)) |
| 156 |
|
|
| 157 |
|
end function fyprim |
| 158 |
|
|
| 159 |
|
end module fxy_m |
Parent Directory
| 
Revision Log
| 
Patch