/usr/include/ossim/projection/ossimStereographicProjection.h is in libossim-dev 1.7.21-3ubuntu2.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | //*******************************************************************
//
// License: See top level LICENSE.txt file.
//
// Author: Garrett Potts (gpotts@imagelinks.com)
//
// Description:
//
//*******************************************************************
// $Id: ossimStereographicProjection.h 9968 2006-11-29 14:01:53Z gpotts $
#ifndef ossimStereographicProjection_HEADER
#define ossimStereographicProjection_HEADER
#include <ossim/projection/ossimMapProjection.h>
class ossimStereographicProjection : public ossimMapProjection
{
public:
ossimStereographicProjection(const ossimEllipsoid& ellipsoid = ossimEllipsoid(),
const ossimGpt& origin = ossimGpt());
ossimStereographicProjection(const ossimEllipsoid& ellipsoid,
const ossimGpt& origin,
const double falseEasting,
const double falseNorthing);
~ossimStereographicProjection(){}
virtual ossimObject *dup()const
{
return new ossimStereographicProjection(*this);
}
virtual void update();
virtual ossimGpt inverse(const ossimDpt &eastingNorthing)const;
virtual ossimDpt forward(const ossimGpt &latLon)const;
/*!
* SetFalseEasting. The value is in meters.
* Update is then called so we can pre-compute paramters
*/
void setFalseEasting(double falseEasting);
/*!
* SetFalseNorthing. The value is in meters.
* Update is then called so we can pre-compute paramters
*/
void setFalseNorthing(double falseNorthing);
/*!
* Sets both false easting and northing values. The values are
* expected to be in meters.
* Update is then called so we can pre-compute paramters
*/
void setFalseEastingNorthing(double falseEasting, double falseNorthing);
void setDefaults();
double getFalseEasting()const{return Stereo_False_Easting;}
double getFalseNorthing()const{return Stereo_False_Northing;}
/*!
* Method to save the state of an object to a keyword list.
* Return true if ok or false on error.
*/
virtual bool saveState(ossimKeywordlist& kwl,
const char* prefix=0)const;
/*!
* Method to the load (recreate) the state of an object from a keyword
* list. Return true if ok or false on error.
*/
virtual bool loadState(const ossimKeywordlist& kwl,
const char* prefix=0);
private:
/************************************************************************/
/* GLOBAL DECLARATIONS
*
*/
/* Ellipsoid Parameters, default to WGS 84 */
mutable double Stereo_a; /* Semi-major axis of ellipsoid, in meters */
mutable double Stereo_f; /* Flattening of ellipsoid */
mutable double Stereo_Ra; /* Spherical Radius */
mutable double Two_Stereo_Ra; /* 2 * Spherical Radius */
mutable long Stereo_At_Pole; /* Flag variable */
/* Stereographic projection Parameters */
mutable double Stereo_Origin_Lat; /* Latitude of origin, in radians */
mutable double Stereo_Origin_Long; /* Longitude of origin, in radians */
mutable double Stereo_False_Easting; /* False easting, in meters */
mutable double Stereo_False_Northing; /* False northing, in meters */
mutable double Sin_Stereo_Origin_Lat; /* sin(Stereo_Origin_Lat) */
mutable double Cos_Stereo_Origin_Lat; /* cos(Stereo_Origin_Lat) */
/* Maximum variance for easting and northing values for WGS 84. */
mutable double Stereo_Delta_Easting;
mutable double Stereo_Delta_Northing;
/*!
* The function Set_Stereographic_Parameters receives the ellipsoid
* parameters and Stereograpic projection parameters as inputs, and
* sets the corresponding state variables. If any errors occur, error
* code(s) are returned by the function, otherwise STEREO_NO_ERROR is returned.
*
* a : Semi-major axis of ellipsoid, in meters (input)
* f : Flattening of ellipsoid (input)
* Origin_Latitude : Latitude, in radians, at the center of (input)
* the projection
* Central_Meridian : Longitude, in radians, at the center of (input)
* the projection
* False_Easting : Easting (X) at center of projection, in meters (input)
* False_Northing : Northing (Y) at center of projection, in meters (input)
*/
long Set_Stereographic_Parameters (double a,
double f,
double Origin_Latitude,
double Central_Meridian,
double False_Easting,
double False_Northing);
/*!
* The function Get_Stereographic_Parameters returns the current ellipsoid
* parameters and Stereographic projection parameters.
*
* a : Semi-major axis of ellipsoid, in meters (output)
* f : Flattening of ellipsoid (output)
* Origin_Latitude : Latitude, in radians, at the center of (output)
* the projection
* Central_Meridian : Longitude, in radians, at the center of (output)
* the projection
* False_Easting : A coordinate value, in meters, assigned to the
* central meridian of the projection. (output)
* False_Northing : A coordinate value, in meters, assigned to the
* origin latitude of the projection (output)
*/
void Get_Stereographic_Parameters(double *a,
double *f,
double *Origin_Latitude,
double *Central_Meridian,
double *False_Easting,
double *False_Northing)const;
/*!
* The function Convert_Geodetic_To_Stereographic converts geodetic
* coordinates (latitude and longitude) to Stereographic coordinates
* (easting and northing), according to the current ellipsoid
* and Stereographic projection parameters. If any errors occur, error
* code(s) are returned by the function, otherwise STEREO_NO_ERROR is returned.
*
* Latitude : Latitude, in radians (input)
* Longitude : Longitude, in radians (input)
* Easting : Easting (X), in meters (output)
* Northing : Northing (Y), in meters (output)
*/
long Convert_Geodetic_To_Stereographic (double Latitude,
double Longitude,
double *Easting,
double *Northing)const;
/*!
* The function Convert_Stereographic_To_Geodetic converts Stereographic projection
* (easting and northing) coordinates to geodetic (latitude and longitude)
* coordinates, according to the current ellipsoid and Stereographic projection
* coordinates. If any errors occur, the error code(s) are returned by the
* function, otherwise STEREO_NO_ERROR is returned.
*
* Easting : Easting (X), in meters (input)
* Northing : Northing (Y), in meters (input)
* Latitude : Latitude (phi), in radians (output)
* Longitude : Longitude (lambda), in radians (output)
*/
long Convert_Stereographic_To_Geodetic(double Easting,
double Northing,
double *Latitude,
double *Longitude)const;
TYPE_DATA
};
#endif
|