Paparazzi UAS  v5.15_devel-81-gd13dafb
Paparazzi is a free software Unmanned Aircraft System.
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pprz_geodetic_utm.h
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1 /*
2  * Copyright (C) 2011 Felix Ruess <felix.ruess@gmail.com>
3  *
4  * This file is part of paparazzi.
5  *
6  * paparazzi is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2, or (at your option)
9  * any later version.
10  *
11  * paparazzi is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with paparazzi; see the file COPYING. If not, see
18  * <http://www.gnu.org/licenses/>.
19  */
20 
30 #ifndef PPRZ_GEODETIC_UTM_H
31 #define PPRZ_GEODETIC_UTM_H
32 
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36 
37 #include "std.h"
38 
39 /* Computation for the WGS84 geoid only */
40 #define E 0.08181919106
41 #define K0 0.9996
42 #define DELTA_EAST 500000.
43 #define DELTA_NORTH 0.
44 #define A 6378137.0
45 #define N (K0*A)
46 
47 #define LambdaOfUtmZone(utm_zone) RadOfDeg((utm_zone-1)*6-180+3)
48 #define UtmZoneOfLlaLonRad(lla_lon) (floor(DegOfRad(lla_lon) + 180) / 6) + 1
49 #define UtmZoneOfLlaLonDeg(lla_lon) (floor((lla_lon) / 1e7 + 180) / 6) + 1
50 
51 static const float serie_coeff_proj_mercator[5] = {
52  0.99832429842242842444,
53  0.00083632803657738403,
54  0.00000075957783563707,
55  0.00000000119563131778,
56  0.00000000000241079916
57 };
58 
59 static const float serie_coeff_proj_mercator_inverse[5] = {
60  0.998324298422428424,
61  0.000837732168742475825,
62  5.90586914811817062e-08,
63  1.6734091890305064e-10,
64  2.13883575853313883e-13
65 };
66 
67 #ifdef __cplusplus
68 } /* extern "C" */
69 #endif
70 
71 #endif /* PPRZ_GEODETIC_UTM_H */
72 
static const float serie_coeff_proj_mercator_inverse[5]
static const float serie_coeff_proj_mercator[5]