diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/PJ_misrsom.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/PJ_misrsom.c b/src/PJ_misrsom.c index 82a3275e..224a3d0a 100644 --- a/src/PJ_misrsom.c +++ b/src/PJ_misrsom.c @@ -1,3 +1,24 @@ +/****************************************************************************** + * This implements Space Qblique Mercator (SOM) projection, used by the + * Multi-angle Imaging SpectroRadiometer (MISR) products, from the NASA EOS Terra + * platform. + * + * The code is identical to that of Landsat SOM (PJ_lsat.c) with the following + * parameter changes: + * + * ascending longitude = 98.30382 degrees + * period of revolution = 98.88 minutes + * inclination angle = 129.3056 degrees - (360 / 233) * path_number + * + * and the following code change: + * + * P->rlm = PI * (1. / 248. + .5161290322580645); + * + * changed to: + * + * P->rlm = 0 + * + *****************************************************************************/ /* based upon Snyder and Linck, USGS-NMD */ #define PROJ_PARMS__ \ double a2, a4, b, c1, c3; \ |