pj_datums.cpp

projapi是一个关于GIS行业投影转换的程序库

#include "stdafx.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 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=606.0,23.0,413.0",                                    "bessel",   "Potsdam Rauenberg 1950 DHDN",
"carthage",        "towgs84=-263.0,6.0,431.0",                                    "clark80",  "Carthage 1934 Tunisia",
"hermannskogel",   "towgs84=653.0,-212.0,449.0",                                  "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",
 NULL,              NULL,                                                          NULL,       NULL 
};

C_NAMESPACE 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\"E",
    "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",
     NULL,        NULL 
};