vikbasefit Documentation

vikbasefit - Create a ck by fitting camera pointing to base map
vikbasefit creates a NAIF camera kernel of updated camera angles
resulting from doing a least-squares fit of each input image
to a base image, solving for the camera angles.  The MATFROM
match point file contains the measured points that tie the input
images to the base map.

Each level 1 input image must be tied to a base map.  To solve
for translation only, just one point is needed per input image.
To solve for rotation as well, at least two points are needed
per image.  Any level 2 image in the fromlist will be used as
part of the basemap.

PROGRAMMER:  Debbie Cook  USGS  Flagstaff, AZ

Input match file name
(No default extension)

NONE

List of cube files for
which pointing is to
be updated and the
basemap(s)
(no default extension)

NONE

Output NAIF c-kernel of
Viking Orbiter 1 pointing

NONE

Output NAIF c-kernel of
Viking Orbiter 2 pointing

NONE

Segment identifier string
for Viking Orbiter 1 ck

NONE

Segment identifier string
for Viking Orbiter 2 ck

NONE

Provided so the user
can specify an alternative
directory to search for
cube files given in the
FROMLIST

--

ADDITIONAL NOTES:

Parm	Description
MATFROM	Input match file name. Contains the list of measured line/sample positions. It has fields containing a point id, image number, line and sample coordinate and point class, sub-pixel correlation and, diameter of measured feature.
FROMLIST	List of ISIS cube files for which camera pointing is to be calculated and the base map cube(s). The list should contain one file name per line. Each ISIS cube file in this list must have the IMAGE_NUMBER keyword in the label. Each match point read from the MATFROM file has an image identifier (IMAGE_NUMBER) associated with it. One of the ISIS cube files in this list must contain this identifier. At least one of the FROMLIST images should be a level 2 image to be used as the basemap.
VO1CK1TO	This output file will be created by the application. It is a NAIF type 1 c-kernel (discreet pointing). The updated camera angles calculated from fitting the Viking Orbiter 1 input images to the base map will be output to this file.
VO2CK1TO	This output file will be created by the application. It is a NAIF type 1 c-kernel (discreet pointing). The updated camera angles calculated from fitting the Viking Orbiter 2 input images to the base map will be output to this file.
SEGID1	This is an identifying string to reference the VO1 data. Example: "VIKING_ORBITER_1 -- USGS -- 11-JUL-02" would identify a ck as VIKING ORBITER 1 pointing created by USGS on July 11, 2002.
SEGID2	This is an identifying string to reference the VO2 data. Example: "VIKING_ORBITER_2 -- USGS -- 11-JUL-02" would identify a ck as VIKING ORBITER 2 pointing created by USGS on July 11, 2002.
ALTPATH	This parameter can be used to specify an alternative location of the ISIS cube files that correspond to each match point in MATTO and specified in FROMLIST. Note that this implies that files listed in FROMLIST may already have a directory path in the file. If the file is not found as it is extracted from FROMFILE, makeground will strip off the existing path and replace it with ALTPATH and attempt to open in in this location. If it is not found in either location, the application terminates abnormally.