Help for EPHREF

PURPOSE:



EXECUTION:

Example



OPERATION:

TIMING: 

about a second

 ORIGINAL PROGRAMMER:    A. Zobrist          11 NOV 2005
 COGNIZANT PROGRAMMER:   A. Zobrist          11 NOV 2005
 
 Spacecraft and camera code from M. BURL (georeference_camera)
 
 REVISION HISTORY
  05-11-11    AZ   Initial version
Thu Jan  3 2008 wlb switched to USES_ANSI_C AND LIB_CARTO; misc cleanup

PARAMETERS:

INP

Image with ephemeris, 2d file is IBIS file, 5+ cols

ACS_TIME

ACS time in seconds since 2000-01-01T12:00:00 UTC.

COLS

Columns to receive the (samp,line,RA,DEC) RA and DEC in decimal degrees

URANGE

Start_samp, step, end_samp

VRANGE

Start_line, step, end_line

HRANGE

Start_elev, step, end_elev

TOD_T_SV

Position vector of s/c with respect to True-of-Date (TOD) coordinate frame

TOD_Q_SV

Orientation quaternion for s/c with respect to True-of-Date (TOD) coordinate frame

SV_T_C

Position vector of camera with respect to s/c (SV) coordinate frame

SV_Q_C

Orientation quaternion for camera with respect to s/c (SV) coordinate frame

FU

Focal param in sample dir

FV

Focal param in line dir

Q

Pixel skew

U0

Sample coord of principal point

V0

Line coord of principal

KAPPA

Lens distortion params

CALC_MODE

0 = earth first, if off earth, then space 1 = earth only 2 = space only, also earth transparent .LEVEL1

HRANGE

Spheriod, Geoid, and Terrain elevation handled by the VICAR proc, ignored for space looking case .END

See Examples:

Cognizant Programmer: