1. CME 算质量用到的一些东西(TELESCOPE_POINTING) doc_library,'telescope_pointing' % Compiled module: DOC_LIBRARY. ----- Documentation for /usr/local/ssw/soho/lasco/idl/data_anal/telescope_pointing.pro ----- NAME:        TELESCOPE_POINTING PURPOSE:        This function returns the telescope pointing information for SUNDIST. CATEGORY:        LASCO DATA_ANAL CALLING SEQUENCE:        Result = TELESCOPE_POINTING (Hdr) INPUTS:        Hdr:    The image header as a LASCO header structure. OUTPUTS:        This function returns a 4 element floating point array of the        telescope pointing information:        word 1:  column coordinates of the center of the sun        word 2:  row coordinates of the center of the sun        word 3:  roll angle to solar north, in degrees, measured westward        word 4:  size of the solar radius in pixels SIDE EFFECTS:        Calls GET_SUN_CENTER, GET_SEC_PIXEL, GET_SOLAR_RADIUS, GET_SOLAR_ROLL PROCEDURE:        The SUNDIST procedure needs the pointing information to be supplied        in an array. EXAMPLE:        Return the pointing information for the image pointed to by header.                Coords = TELESCOPE_POINTING(Hdr) MODIFICATION HISTORY:        Written by:     RA Howard, 30 Apr 1997        Mods to accept MLO headers        @(#)telescope_pointing.pro      1.3 08/28/98 LASCO IDL LIBRARY

Chenglong Shen Posted at 2006-12-26 22:32 CST Last modified at 2006-12-26 22:32 CST Link to this poster Top