Getting Started

Documentation

Glish

Learn More

Programming

Contact Us

Version 1.9 Build 1488

News	FAQ
Search	Home

coordsys.telescope - Function

	Package	general
	Module	images
	Tool	coordsys

Return the telescope

Synopsis
telescope(measure)

Arguments

measure	in	Return as position measure
		Allowed:	T or F
		Default:	F

Returns
String or position measure or fail

Description

This function (short-hand name t) returns the telescope contained in the Coordinate System. It can be returned as a simple string (measure=F) or as a position measure (measure=T).

The telescope position may be needed for reference code conversions; this is why it is maintained in the Coordinate System.

The conversion from string to position is done with observatory. The example shows you what is really going on.

Example

- cs := coordsys()
- cs.telescope()
ATCA
- cs.telescope(T)
[type=position, refer=ITRF, m2=[value=6372960.26, unit=m], 
m1=[unit=rad, value=-0.52613792], m0=[unit=rad, value=2.61014232]] 
-
- dm.observatory(cs.telescope())
[type=position, refer=ITRF, m2=[value=6372960.26, unit=m], 
m1=[unit=rad, value=-0.52613792], m0=[unit=rad, value=2.61014232]]

We get the telescope as a string and as a position measure. We also show how the Measures system was used to convert from the simple name to a position Measure.