CDF_ENCODE_EPOCH ================ The CDF_ENCODE_EPOCH function encodes a CDF_EPOCH variable into a string. Four different string formats are available. The default (EPOCH=0) is the standard CDF format, which may be parsed by the CDF_PARSED_EPOCH function or broken down with the CDF_EPOCH procedure. Examples epoch_string = '04-Dec-1995 20:19:18.176' epoch = CDF_PARSE_EPOCH(epoch_string) HELP, epoch_string, epoch ; Create encode strings: encode0 = CDF_ENCODE_EPOCH(epoch, EPOCH=0) encode1 = CDF_ENCODE_EPOCH(epoch, EPOCH=1) encode2 = CDF_ENCODE_EPOCH(epoch, EPOCH=2) encode3 = CDF_ENCODE_EPOCH(epoch, EPOCH=3) ; Compare encoding formats: HELP, encode0, encode1, encode2, encode3 IDL Output EPOCH_STRING STRING = '04-Dec-1995 20:19:18.176' EPOCH DOUBLE = 6.2985328e+13 ENCODE0 STRING = '04-Dec-1995 20:19:18.176' ENCODE1 STRING = '19951204.8467381' ENCODE2 STRING = '19951204201918' ENCODE3 STRING = '1995-12-04T20:19:18.176Z' Syntax Result = CDF_ENCODE_EPOCH(Epoch [, EPOCH={0 | 1 | 2 | 3}] ) Return Value Returns a string containing the encoded CDF_EPOCH variable. Arguments Epoch The double-precision CDF_EPOCH value to be encoded. For more information about CDF_EPOCH values, see “Data Types” in the CDF User’s Guide. Keywords EPOCH Set this keyword equal to one of the following integer values, specifying the epoch mode to use for output of the epoch date string: Value Date Format 0 DD-Mon-YYYY hh:mm:ss.ccc (This is the default) 1 YYYYMMDD.ttttttt 2 YYYYMMDDhhmmss 3 YYYY-MM-DDThh:mm:ss.cccZ (The characters T and Z are the CDF_EPOCH type 3 place holders) where: Date Element Represents DD the day of the month (1-31) Mon the abbreviated month name: (Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, or Dec) MM the month number (1-12) YYYY the year (A.D.) hh the hour (0-23) mm the minute (0-59) ss the second (0-59) ccc the millisecond (0-999) ttttttt the fraction of the day (e.g. 2500000 is 6 am). Version History 4.0.1b Introduced See Also CDF_EPOCH, CDF_PARSE_EPOCH © 2015 Exelis Visual Information Solutions, Inc., a subsidiary of Harris Corporation. All Rights Reserved. This information is not subject to the controls of the International Traffic in Arms Regulations (ITAR) or the Export Administration Regulations (EAR). However, this information may be restricted from transfer to various embargoed countries under U.S. laws and regulations.