/usr/include/ossim/base/ossimGeocent.h is in libossim-dev 1.7.21-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | #ifndef GEOCENT_H
#define GEOCENT_H
/***************************************************************************/
/* RSC IDENTIFIER: GEOCENTRIC
*
* ABSTRACT
*
* This component provides conversions between Geodetic coordinates (latitude,
* longitude in radians and height in meters) and Geocentric coordinates
* (X, Y, Z) in meters.
*
* ERROR HANDLING
*
* This component checks parameters for valid values. If an invalid value
* is found, the error code is combined with the current error code using
* the bitwise or. This combining allows multiple error codes to be
* returned. The possible error codes are:
*
* GEOCENT_NO_ERROR : No errors occurred in function
* GEOCENT_LAT_ERROR : Latitude out of valid range
* (-90 to 90 degrees)
* GEOCENT_LON_ERROR : Longitude out of valid range
* (-180 to 360 degrees)
* GEOCENT_A_ERROR : Semi-major axis less than or equal to zero
* GEOCENT_INV_F_ERROR : Inverse flattening outside of valid range
* (250 to 350)
*
*
* REUSE NOTES
*
* GEOCENTRIC is intended for reuse by any application that performs
* coordinate conversions between geodetic coordinates and geocentric
* coordinates.
*
*
* REFERENCES
*
* An Improved Algorithm for Geocentric to Geodetic Coordinate Conversion,
* Ralph Toms, February 1996 UCRL-JC-123138.
*
* Further information on GEOCENTRIC can be found in the Reuse Manual.
*
* GEOCENTRIC originated from : U.S. Army Topographic Engineering Center
* Geospatial Information Division
* 7701 Telegraph Road
* Alexandria, VA 22310-3864
*
* LICENSES
*
* None apply to this component.
*
* RESTRICTIONS
*
* GEOCENTRIC has no restrictions.
*
* ENVIRONMENT
*
* GEOCENTRIC was tested and certified in the following environments:
*
* 1. Solaris 2.5 with GCC version 2.8.1
* 2. Windows 95 with MS Visual C++ version 6
*
* MODIFICATIONS
*
* Date Description
* ---- -----------
*
*
*/
/***************************************************************************/
/*
* DEFINES
*/
#define GEOCENT_NO_ERROR 0x0000
#define GEOCENT_LAT_ERROR 0x0001
#define GEOCENT_LON_ERROR 0x0002
#define GEOCENT_A_ERROR 0x0004
#define GEOCENT_INV_F_ERROR 0x0008
/***************************************************************************/
/*
* FUNCTION PROTOTYPES
*/
/* ensure proper linkage to c++ programs */
#ifdef __cplusplus
extern "C" {
#endif
long Set_Geocentric_Parameters (double a,
double f);
/*
* The function Set_Geocentric_Parameters receives the ellipsoid parameters
* as inputs and sets the corresponding state variables.
*
* a : Semi-major axis of ellipsoid, in meters. (input)
* f : Flattening of ellipsoid. (input)
*/
void Get_Geocentric_Parameters (double *a,
double *f);
/*
* The function Get_Geocentric_Parameters returns the ellipsoid parameters
* to be used in geocentric coordinate conversions.
*
* a : Semi-major axis of ellipsoid, in meters. (output)
* f : Flattening of ellipsoid. (output)
*/
long Convert_Geodetic_To_Geocentric (double Latitude,
double Longitude,
double Height,
double *X,
double *Y,
double *Z);
/*
* The function Convert_Geodetic_To_Geocentric converts geodetic coordinates
* (latitude, longitude, and height) to geocentric coordinates (X, Y, Z),
* according to the current ellipsoid parameters.
*
* Latitude : Geodetic latitude in radians (input)
* Longitude : Geodetic longitude in radians (input)
* Height : Geodetic height, in meters (input)
* X : Calculated Geocentric X coordinate, in meters. (output)
* Y : Calculated Geocentric Y coordinate, in meters. (output)
* Z : Calculated Geocentric Z coordinate, in meters. (output)
*
*/
void Convert_Geocentric_To_Geodetic (double X,
double Y,
double Z,
double *Latitude,
double *Longitude,
double *Height);
/*
* The function Convert_Geocentric_To_Geodetic converts geocentric
* coordinates (X, Y, Z) to geodetic coordinates (latitude, longitude,
* and height), according to the current ellipsoid parameters.
*
* X : Geocentric X coordinate, in meters. (input)
* Y : Geocentric Y coordinate, in meters. (input)
* Z : Geocentric Z coordinate, in meters. (input)
* Latitude : Calculated latitude value in radians. (output)
* Longitude : Calculated longitude value in radians. (output)
* Height : Calculated height value, in meters. (output)
*/
#ifdef __cplusplus
}
#endif
#endif /* GEOCENT_H */
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