diff options
Diffstat (limited to 'src/projects.h')
| -rw-r--r-- | src/projects.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/projects.h b/src/projects.h index 4091fc9a..eb580a4c 100644 --- a/src/projects.h +++ b/src/projects.h @@ -28,6 +28,9 @@ ****************************************************************************** * * $Log$ + * Revision 1.13 2002/12/09 16:01:02 warmerda + * added prime meridian support + * * Revision 1.12 2002/07/08 02:32:05 warmerda * ensure clean C++ builds * @@ -169,6 +172,11 @@ struct PJ_DATUMS { char *comments; /* EPSG code, etc */ }; +struct PJ_PRIME_MERIDIANS { + char *id; /* prime meridian keyword */ + char *defn; /* offset from greenwich in DMS format. */ +}; + struct DERIVS { double x_l, x_p; /* derivatives of x for lambda-phi */ double y_l, y_p; /* derivatives of y for lambda-phi */ @@ -219,6 +227,7 @@ typedef struct PJconsts { int datum_type; /* PJD_UNKNOWN/3PARAM/7PARAM/GRIDSHIFT/WGS84 */ double datum_params[7]; + double from_greenwich; /* prime meridian offset (in radians) */ #ifdef PROJ_PARMS__ PROJ_PARMS__ @@ -262,6 +271,7 @@ extern struct PJ_UNITS pj_units[]; #ifndef PJ_DATUMS__ extern struct PJ_DATUMS pj_datums[]; +extern struct PJ_PRIME_MERIDIANS pj_prime_meridians[]; #endif #ifdef PJ_LIB__ @@ -306,6 +316,8 @@ PVALUE pj_param(paralist *, char *); paralist *pj_mkparam(char *); int pj_ell_set(paralist *, double *, double *); int pj_datum_set(paralist *, PJ *); +int pj_prime_meridian_set(paralist *, PJ *); +int pj_angular_units_set(paralist *, PJ *); double *pj_enfn(double); double pj_mlfn(double, double, double, double *); double pj_inv_mlfn(double, double, double *); |