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| author | Frank Warmerdam <warmerdam@pobox.com> | 2007-12-03 15:48:20 +0000 |
|---|---|---|
| committer | Frank Warmerdam <warmerdam@pobox.com> | 2007-12-03 15:48:20 +0000 |
| commit | 26704ef6a0f521408535980a4ca36ddb6bd125fc (patch) | |
| tree | f424e239588df68c952114efbc681061297745c5 | |
| parent | 55e095abe3f50dae5415a3e09ccc8db876527ff5 (diff) | |
| download | PROJ-26704ef6a0f521408535980a4ca36ddb6bd125fc.tar.gz PROJ-26704ef6a0f521408535980a4ca36ddb6bd125fc.zip | |
Improve WGS84 ES precision to avoid unnecesary transformation (#1531)
git-svn-id: http://svn.osgeo.org/metacrs/proj/trunk@1414 4e78687f-474d-0410-85f9-8d5e500ac6b2
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | src/pj_transform.c | 5 |
2 files changed, 9 insertions, 1 deletions
@@ -1,3 +1,8 @@ +2007-12-03 Frank Warmerdam <warmerdam@pobox.com> + + * pj_transform.c: Small improvement in WGS84_ES precision to avoid + an unnecessary trip through geocentric space (eg bug 1531). + 2007-11-30 Frank Warmerdam <warmerdam@pobox.com> * add latlon and lonlat as aliases. diff --git a/src/pj_transform.c b/src/pj_transform.c index 40a7bf8d..04fbd8e1 100644 --- a/src/pj_transform.c +++ b/src/pj_transform.c @@ -30,6 +30,9 @@ ****************************************************************************** * * $Log$ + * Revision 1.24 2007/12/03 15:48:20 fwarmerdam + * Improve WGS84 ES precision to avoid unnecesary transformation (#1531) + * * Revision 1.23 2007/11/26 00:21:59 fwarmerdam * Modified PJ structure to hold a_orig, es_orig, ellipsoid definition before * adjustment for spherical projections. @@ -132,7 +135,7 @@ PJ_CVSID("$Id$"); #endif #ifndef SRS_WGS84_ESQUARED -#define SRS_WGS84_ESQUARED 0.006694379990 +#define SRS_WGS84_ESQUARED 0.0066943799901413165 #endif #define Dx_BF (defn->datum_params[0]) |