maskmanager.thresholdmask - Function

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maskmanager.thresholdmask - Function

	`Package`	`synthesis`
	`Module`	`map`
	`Tool`	`maskmanager`

Create a mask data item as defined by regions from thresholding an image

Synopsis thresholdmask(image, threshold)

Arguments

`image`		name of image
		`Allowed:`	`String`
		`Default:`	`''`
`threshold`		value above which to mask
		`Allowed:`	`float`
		`Default:`	`0.0`

Returns mask data item or fail

Description

This function creates a mask data item from regions of an image which lies above a threshold

Example

mymm:= maskmanager();
item6 := mymm.thresholdmask(image='3C273XC1.clean', threshold='2');

Create a mask data item item5 which represents regions which have flux densities larger than 2 Jy.

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2006-10-15