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NRAO Home > CASA > CASA Toolkit Reference Manual |
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regionmanager.fromfiletorecord - Function
1.1.2 Create a region record(s) from a file(s).
Description
This function reads files containing ImageRegion objects and turns them into
Region Records.
The intended use for this method is to read the file saved by the casa viewer and turn the files contents into regions that are usabla by the image analysis tool.
Arguments
Inputs |
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filename |
| List of files containing the Image Regions
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| allowed: | string |
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| Default: | File name(s) |
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verbose |
| Report successful saves
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| allowed: | bool |
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| Default: | true true |
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regionname |
| Name(s) of the region(s) when saved in the table
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| allowed: | string |
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| Default: | Self naming |
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record
Example
- img = ia.open(’hcn’)
- rg.fromfiletorecord(T, "x1 x2", "file1, file2", r1, r2)
- ia.statistics( region=r1, verbose=True )
- ia.statistics( region=r2, verbose=True )
In this example, we create two regions called {\stf r1} and {\stf r2}
from the files ???
The regions are renamed to ‘x1’ and ‘x2’ as they are stored.
Example
e
- img = ia.open(’hcn’)
- r1 = rg.box()f
- r2 = rg.quarter()
- rg.fromglobaltotable(img, T, F, "", r1, r2)
- rg.namesintable(img)
x1 x2
In this example, we save two regions called {\stf r1} and {\stf r2} to
the table (previously containing no regions) referred to by the image
tool {\stf im}. The names for regions are made up for us as we don’t
specify them. Note that because the regions are specified by the
special \glish\ ‘...’ argument (it has no actual argument name), we
must give the {\stfaf regionname} argument explcitly as an empty vector
of strings (else \glish\ will take the empty string as a region).
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