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r3.timestamp

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r3.timestamp: Print/add/remove a timestamp for a 3D raster map

NAME

r3.timestamp - Print/add/remove a timestamp for a 3D raster map
KEYWORDS
raster3d, voxel
SYNOPSIS
r3.timestamp r3.timestamp help r3.timestamp map=string [date=timestamp] [--verbose] [--quiet] Parameters: map=string Input grid3 filename date=timestamp Datetime, datetime1/datetime2, or none

DESCRIPTION

This command has 2 modes of operation. If no date argument is supplied, then the current timestamp for the grid3d map is printed. If a date argument is specified, then the timestamp for the grid3d map is set to the specified date(s). See EXAMPLES below.

EXAMPLES

r3.timestamp map=soils Prints the timestamp for the "soils" grid3d map. If there is no timestamp for soils, nothing is printed. If there is a timestamp, one or two lines are printed, depending on if the timestamp for the map consists of a single date or two dates (ie start and end dates). r3.timestamp map=soils date='15 sep 1987' Sets the timestamp for "soils" to the single date "15 sep 1987" r3.timestamp map=soils date='15 sep 1987/20 feb 1988' Sets the timestamp for "soils" to have the start date "15 sep 1987" and the end date "20 feb 1988" r3.timestamp map=soils date='18 feb 2005 10:30:00/20 jul 2007 20:30:00' Sets the timestamp for "soils" to have the start date "18 aug 2005 10:30:00" and the end date "20 jul 2007 20:30:00" r3.timestamp map=soils date=none Removes the timestamp for the "soils" grid3d map

TIMESTAMP FORMAT

The timestamp values must use the format as described in the GRASS datetime library. The source tree for this library should have a description of the format. For convience, the formats as of Feb, 1996 are reproduced here: There are two types of datetime values: absolute and relative. Absolute values specify exact dates and/or times. Relative values specify a span of time. Some examples will help clarify: Absolute The general format for absolute values is day month year [bc] hour:minute:seconds timezone day is 1-31 month is jan,feb,...,dec year is 4 digit year [bc] if present, indicates dates is BC hour is 0-23 (24 hour clock) mintue is 0-59 second is 0-59.9999 (fractions of second allowed) timezone is +hhmm or -hhmm (eg, -0600) parts can be missing 1994 [bc] Jan 1994 [bc] 15 jan 1000 [bc] 15 jan 1994 [bc] 10 [+0000] 15 jan 1994 [bc] 10:00 [+0100] 15 jan 1994 [bc] 10:00:23.34 [-0500] Relative There are two types of relative datetime values, year- month and day-second. The formats are: [-] # years # months [-] # days # hours # minutes # seconds The words years, months, days, hours, minutes, seconds are literal words, and the # are the numeric values. Examples: 2 years 5 months 2 years 5 months 100 days 15 hours 25 minutes 35.34 seconds 100 days 25 minutes 1000 hours 35.34 seconds The following are illegal because it mixes year-month and day-second (because the number of days in a month or in a year vary): 3 months 15 days 3 years 10 days

BUGS

Spaces in the timestamp value are required.
AUTHOR
Michael Pelizzari Lockheed Martin Space Systems based on r.timestamp by Michael Shapiro, U.S.Army Construction Engineering Research Laboratory Last changed: $Date: 2005-08-23 14:11:00 +0200 (Tue, 23 Aug 2005) $ Full index (C) 2003-2010 GRASS Development Team R3.TIMESTAMP(1)
 
 
 

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