[2696] | 1 | !> @file tests/test-transform.f90 |
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| 2 | !------------------------------------------------------------------------------! |
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[2718] | 3 | ! This file is part of the PALM model system. |
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[2696] | 4 | ! |
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[2718] | 5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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| 6 | ! terms of the GNU General Public License as published by the Free Software |
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| 7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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[2696] | 8 | ! version. |
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| 9 | ! |
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[2718] | 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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[2696] | 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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[3785] | 17 | ! Copyright 2017-2019 Leibniz Universitaet Hannover |
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| 18 | ! Copyright 2017-2019 Deutscher Wetterdienst Offenbach |
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[2696] | 19 | !------------------------------------------------------------------------------! |
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| 20 | ! |
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| 21 | ! Current revisions: |
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| 22 | ! ----------------- |
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| 23 | ! |
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| 24 | ! |
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| 25 | ! Former revisions: |
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| 26 | ! ----------------- |
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| 27 | ! $Id: test-transform.f90 3785 2019-03-06 10:41:14Z pavelkrc $ |
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[3618] | 28 | ! Prefixed all modules with inifor_ |
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| 29 | ! |
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| 30 | ! |
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| 31 | ! 2718 2018-01-02 08:49:38Z maronga |
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[2696] | 32 | ! Initial revision |
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| 33 | ! |
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| 34 | ! |
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| 35 | ! |
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| 36 | ! Authors: |
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| 37 | ! -------- |
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| 38 | ! @author Eckhard Kadasch |
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| 39 | ! |
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| 40 | ! Description: |
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| 41 | ! ------------ |
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| 42 | !> This program tests INIFOR's rotated-pole coordinate transforms. |
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| 43 | !------------------------------------------------------------------------------! |
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| 44 | PROGRAM test_transform |
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| 45 | |
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[3618] | 46 | USE inifor_defs, & |
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| 47 | ONLY : TO_RADIANS, TO_DEGREES |
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| 48 | USE inifor_grid, & |
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| 49 | ONLY : grid_definition, init_grid_definition |
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| 50 | USE inifor_transform, & |
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| 51 | ONLY : phi2phirot, rla2rlarot, phirot2phi, rlarot2rla |
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[2696] | 52 | USE test_utils |
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| 53 | |
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| 54 | IMPLICIT NONE |
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| 55 | |
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| 56 | CHARACTER(LEN=30) :: title |
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| 57 | LOGICAL :: res |
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| 58 | |
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| 59 | REAL, PARAMETER :: lx = 100., ly = 200., lz = 300. |
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| 60 | |
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| 61 | ! Angels in degrees |
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| 62 | REAL :: phi, lambda, phi_c, lambda_c, phi2, lambda2, phi_n, lambda_n |
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| 63 | |
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| 64 | title = "rotation north-east" |
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| 65 | CALL begin_test(title, res) |
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| 66 | ! Arange |
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| 67 | phi = 52.5166670000000000 |
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| 68 | lambda = 13.3833330000000000 |
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| 69 | |
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| 70 | phi_n = 40. |
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| 71 | lambda_n = -170. |
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| 72 | |
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| 73 | ! Act |
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| 74 | phi_c = phi2phirot(phi, lambda, phi_n, lambda_n) |
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| 75 | lambda_c = rla2rlarot(phi, lambda, phi_n, lambda_n, 0.) |
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| 76 | |
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[3618] | 77 | phi2 = phirot2phi(phi_c, lambda_c, phi_n, 0.) |
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[2696] | 78 | lambda2 = rlarot2rla(phi_c, lambda_c, phi_n, lambda_n, 0.) |
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| 79 | |
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| 80 | ! Assert |
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| 81 | res = assert_equal( (/phi, lambda/), (/phi2, lambda2/), "rotated grid transformations" ) |
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| 82 | PRINT *, " Angles before transformation: ", phi, lambda |
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| 83 | PRINT *, " and after back transformation: ", phi2, lambda2 |
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| 84 | |
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| 85 | CALL end_test(title, res) |
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| 86 | |
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| 87 | title = "rotation south-west" |
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| 88 | CALL begin_test(title, res) |
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| 89 | ! Arange |
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| 90 | phi = 49. |
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| 91 | lambda = 9. |
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| 92 | |
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| 93 | phi_n = 40. |
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| 94 | lambda_n = -170. |
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| 95 | |
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| 96 | ! Act |
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| 97 | phi_c = phi2phirot(phi, lambda, phi_n, lambda_n) |
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| 98 | lambda_c = rla2rlarot(phi, lambda, phi_n, lambda_n, 0.) |
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| 99 | |
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[3618] | 100 | phi2 = phirot2phi(phi_c, lambda_c, phi_n, 0.) |
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[2696] | 101 | lambda2 = rlarot2rla(phi_c, lambda_c, phi_n, lambda_n, 0.) |
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| 102 | |
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| 103 | ! Assert |
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| 104 | res = assert_equal( (/phi, lambda/), (/phi2, lambda2/), "rotated grid transformations" ) |
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| 105 | PRINT *, " Angles before transformation: ", phi, lambda |
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| 106 | PRINT *, " and after back transformation: ", phi2, lambda2 |
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| 107 | |
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| 108 | CALL end_test(title, res) |
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| 109 | END PROGRAM test_transform |
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