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Diffstat (limited to 'src/datums.cpp')
| -rw-r--r-- | src/datums.cpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/datums.cpp b/src/datums.cpp new file mode 100644 index 00000000..acbe12f7 --- /dev/null +++ b/src/datums.cpp @@ -0,0 +1,99 @@ +/****************************************************************************** + * Project: PROJ.4 + * Purpose: Built in datum list. + * Author: Frank Warmerdam, warmerda@home.com + * + ****************************************************************************** + * Copyright (c) 2000, Frank Warmerdam + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + *****************************************************************************/ + +#include <stddef.h> + +#include "proj.h" + +#define PJ_DATUMS__ +#include "projects.h" + +/* + * The ellipse code must match one from pj_ellps.c. The datum id should + * be kept to 12 characters or less if possible. Use the official OGC + * datum name for the comments if available. + */ + +C_NAMESPACE_VAR const struct PJ_DATUMS pj_datums[] = { +/* id definition ellipse comments */ +/* -- ---------- ------- -------- */ +{"WGS84", "towgs84=0,0,0", "WGS84", ""}, +{"GGRS87", "towgs84=-199.87,74.79,246.62", "GRS80", + "Greek_Geodetic_Reference_System_1987"}, +{"NAD83", "towgs84=0,0,0", "GRS80", + "North_American_Datum_1983"}, +{"NAD27", "nadgrids=@conus,@alaska,@ntv2_0.gsb,@ntv1_can.dat", + "clrk66", + "North_American_Datum_1927"}, +{"potsdam", /*"towgs84=598.1,73.7,418.2,0.202,0.045,-2.455,6.7",*/ + "nadgrids=@BETA2007.gsb", + "bessel", + "Potsdam Rauenberg 1950 DHDN"}, +{"carthage","towgs84=-263.0,6.0,431.0", "clrk80ign", + "Carthage 1934 Tunisia"}, +{"hermannskogel", "towgs84=577.326,90.129,463.919,5.137,1.474,5.297,2.4232", + "bessel", + "Hermannskogel"}, +{"ire65", "towgs84=482.530,-130.596,564.557,-1.042,-0.214,-0.631,8.15", + "mod_airy", + "Ireland 1965"}, +{"nzgd49", "towgs84=59.47,-5.04,187.44,0.47,-0.1,1.024,-4.5993", + "intl", "New Zealand Geodetic Datum 1949"}, +{"OSGB36", "towgs84=446.448,-125.157,542.060,0.1502,0.2470,0.8421,-20.4894", + "airy", "Airy 1830"}, +{nullptr, nullptr, nullptr, nullptr} +}; + +struct PJ_DATUMS *pj_get_datums_ref() +{ + return (struct PJ_DATUMS *)pj_datums; +} + +static const struct PJ_PRIME_MERIDIANS pj_prime_meridians[] = { + /* id definition */ + /* -- ---------- */ + {"greenwich", "0dE"}, + {"lisbon", "9d07'54.862\"W"}, + {"paris", "2d20'14.025\"E"}, + {"bogota", "74d04'51.3\"W"}, + {"madrid", "3d41'16.58\"W"}, + {"rome", "12d27'8.4\"E"}, + {"bern", "7d26'22.5\"E"}, + {"jakarta", "106d48'27.79\"E"}, + {"ferro", "17d40'W"}, + {"brussels", "4d22'4.71\"E"}, + {"stockholm", "18d3'29.8\"E"}, + {"athens", "23d42'58.815\"E"}, + {"oslo", "10d43'22.5\"E"}, + {"copenhagen","12d34'40.35\"E"}, + {nullptr, nullptr} +}; + +const PJ_PRIME_MERIDIANS *proj_list_prime_meridians(void) +{ + return pj_prime_meridians; +} |