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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