measures - Tool

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1.4.1 measures - Tool

measures tool
Requires:

Synopsis

Methods

measures	Construct measures tool
dirshow	Show direction measure as a string.
show	Show a measure as a string
epoch	define an epoch measure
direction	define a direction measure
getvalue	get the value of a measure
gettype	get the type of a measure
getref	get the reference code of a measure
getoffset	get the offset of a measure
cometname	get the current comet name
comettype	get the current comet table type
cometdist	get the distance of the current comet in the current frame
cometangdiam	get the angular diameter of the current comet in the current frame
comettopo	get the current comet table coordinates
framecomet	set the current comet table
position	define a position measure
observatory	get position of an observatory
obslist	get a list of known observatories
linelist	get a list of known spectral lines
spectralline	get frequency of a spectral line

sourcelist	get a list of known sources
source	get direction of a source
frequency	define a frequency measure
doppler	define a doppler measure
radialvelocity	define a radialvelocity measure
shift	Shift a direction measure by an offset angle at a position angle.
uvw	define a uvw measure
touvw	calculate a uvw measure from a baseline
expand	expand n positions to n*(n-1)/2 baselines
earthmagnetic	define an earthmagnetic measure
baseline	define a baseline measure
asbaseline	define a baseline from a position measure
listcodes	get known reference code names (list indices do not necessarily correspond to enumeration indices)
measure	convert a measure to another reference
doframe	save a measure as frame reference
framenow	set the active frame time at now
showframe	show the currently active frame reference
toradialvelocity	convert a doppler type value to a real radial velocity
tofrequency	convert a doppler type value to a frequency
todoppler	convert a frequency or radialvelocity measure to a doppler measure

torestfrequency	convert a frequency and doppler measure to a rest frequency
rise	get rise and set sidereal time
riseset	get rise and set times
posangle	get position angle of two directions
separation	get separation angle between two directions
addxvalue	get some additional measure information
type	type of tool
done	free resources used by tool.
ismeasure	Check if measure

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