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authorFrank Warmerdam <warmerdam@pobox.com>2002-12-09 16:01:02 +0000
committerFrank Warmerdam <warmerdam@pobox.com>2002-12-09 16:01:02 +0000
commit27c197f9da8005a2fd58bb8d902beb0864a2916b (patch)
tree84dad4b3cca6d7e2adc3ce71333f432b22dd323c /src/projects.h
parentf8e9a822d7e9166b9925f75ba36bb7aa75afc3c1 (diff)
downloadPROJ-27c197f9da8005a2fd58bb8d902beb0864a2916b.tar.gz
PROJ-27c197f9da8005a2fd58bb8d902beb0864a2916b.zip
added prime meridian support
git-svn-id: http://svn.osgeo.org/metacrs/proj/trunk@1041 4e78687f-474d-0410-85f9-8d5e500ac6b2
Diffstat (limited to 'src/projects.h')
-rw-r--r--src/projects.h12
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 *);