NAME: XV_LOOKV_TO_GCI PURPOSE: Converts the XVIS LOOK vector to GCI coordinates CATEGORY: CALLING SEQUENCE: XV_LOOKV_TO_GCI INPUTS: NONE KEYWORD PARAMETERS: NONE OUTPUTS: NONE COMMON BLOCKS: XV_RECORD_DATA XV_FILE_DATA XV_DERIVED_DATA XV_FLAGS NOTES: This routine is useful only within the XVIS application It uses COMMON blocks extensively and certain values within the blocks must be set prior to invocation. MODIFICATION HISTORY: Kenny Hunt, 9/1/97 Copyright (C) 1998, The University of Iowa Department of Physics and Astronomy This software may be used, copied, or redistributed as long as it is not sold and this copyright notice is reproduced on each copy made. This routine is provided as is without any express or implied warranties whatsoever.

NAME: COMPUTE_CRDS PURPOSE: Computes all the variables in the XV_DERIVED_DATA block for an entire image CATEGORY: CALLING SEQUENCE: Must set up the common block information properly. This routine is tightly integrated into the XVIS package. INPUTS: None KEYWORD PARAMETERS: NONE OUTPUTS: RA and DEC values COMMON BLOCKS: numerous NOTES: MODIFICATION HISTORY: Kenny Hunt, 9/1/97 Copyright (C) 1998, The University of Iowa Department of Physics and Astronomy This software may be used, copied, or redistributed as long as it is not sold and this copyright notice is reproduced on each copy made. This routine is provided as is without any express or implied warranties whatsoever.