diff options
Diffstat (limited to 'src/proj_4D_api.c')
| -rw-r--r-- | src/proj_4D_api.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/proj_4D_api.c b/src/proj_4D_api.c index 2b250398..c91b0786 100644 --- a/src/proj_4D_api.c +++ b/src/proj_4D_api.c @@ -940,11 +940,11 @@ PJ_FACTORS proj_factors(PJ *P, LP lp) { Characteristics include meridian, parallel and areal scales, angular distortion, meridian/parallel, meridian convergence and scale error. - returns PJ_FACTORS. If unsuccessfull error number is set and the returned - struct contains NULL data. + returns PJ_FACTORS. If unsuccessfull, error number is set and the + struct returned contains NULL data. ******************************************************************************/ - PJ_FACTORS factors = {0,0,0, 0,0,0, 0,0}; + PJ_FACTORS factors = {0,0,0, 0,0,0, 0,0, 0,0,0,0}; struct FACTORS f; if (0==P) @@ -964,6 +964,12 @@ PJ_FACTORS proj_factors(PJ *P, LP lp) { factors.tissot_semimajor = f.a; factors.tissot_semiminor = f.b; + /* Raw derivatives, for completeness's sake */ + factors.dx_dlam = f.der.x_l; + factors.dx_dphi = f.der.x_p; + factors.dy_dlam = f.der.y_l; + factors.dy_dphi = f.der.y_p; + return factors; } |