1.1.2.0 regionmanager.fromtext

NRAO Home > CASA > CASA Toolkit Reference Manual

regionmanager.fromtext - Function

1.1.2 Create a region dictionary from a region text string.

Description

This function reads a region region text descriptions and converts it to a python region dictionary.

Arguments


Inputs
text	region description
	allowed:	string
	Default:
shape	Image shape, only used if first region is a difference.
	allowed:	intArray
	Default:	1
csys	Coordinate system record. Defaults to coordinate system used in rg.setcoordinates()
	allowed:	record
	Default:

Returns
record

Example

ia.open(’test.image’)
csys=ia.coordsys()
rg.setcoordinates(csys.torecord())
a=rg.fromtext("ellipse [[04h31m38.44139, 18d13m57.0861], [1.0arcsec, 1.0arcsec], 0.00000000deg]", shape=[1500, 1500, 1, 1])
ia.done()

In this example, we create a circular region of 1 arcsec radius centered on J2000 04h31m38.44139 18d13m57.0861

__________________________________________________________________

[next] [prev] [prev-tail] [front] [up]

More information about CASA may be found at the CASA web page

This code is available under the terms of the GNU General Public Lincense