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NRAO Home > CASA > CASA Toolkit Reference Manual |
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5.1.11 sd.asapgrid - Tool
Tool to convolve map data onto regularly spaced grid
Description
The asapgrid class is defined to convolve data onto regular spatial grid.
Arguments
Inputs |
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infile |
| input data as a string or string list
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| allowed: | string, list of string |
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| Default: |
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asapgrid instance
Example
g = asapgrid( [’testimage1.asap’,’testimage2.asap’] )
# set IFNO if necessary
g.setIF( 0 )
# set POLNOs if necessary
g.setPolList( [0,1] )
# set SCANNOs if necessary
g.setScanList( [22,23,24] )
# define image with full specification
# you can skip some parameters (see help for defineImage)
g.defineImage( nx=12, ny=12, cellx=’10arcsec’, celly=’10arcsec’,
center=’J2000 10h10m10s -5d05m05s’ )
# set convolution function
g.setFunc( func=’sf’, width=3 )
# enable min/max clipping
g.enableClip()
# or, disable min/max clipping
#g.disableClip()
# actual gridding
g.grid()
# save result
g.save( outfile=’grid.asap’ )
# plot result
g.plot( plotchan=1246, plotpol=-1, plotgrid=True, plotobs=True )
sd.asapgrid.defineImage | Define spatial grid |
sd.asapgrid.disableClip | Disable min/max clipping |
sd.asapgrid.enableClip | Enable min/max clipping |
sd.asapgrid.grid | Do gridding |
sd.asapgrid.plot | Plot result |
sd.asapgrid.save | Save result |
sd.asapgrid.setData | Set data to be processed |
sd.asapgrid.setFunc | Set convolution function |
sd.asapgrid.setIF | Set IFNO to be processed |
sd.asapgrid.setPolList | Set polarizations to be processed |
sd.asapgrid.setScanList | Set scans to be processed |
sd.asapgrid.setWeight | Set weight type |
sd.asapgrid.disableClip - Function
sd.asapgrid.enableClip - Function
sd.asapgrid.grid - Function
sd.asapgrid.plot - Function
sd.asapgrid.save - Function
sd.asapgrid.setData - Function
sd.asapgrid.setFunc - Function
sd.asapgrid.setIF - Function
sd.asapgrid.setPolList - Function
sd.asapgrid.setScanList - Function
sd.asapgrid.setWeight - Function
More information about CASA may be found at the
CASA web page
Copyright © 2016 Associated Universities Inc., Washington, D.C.
This code is available under the terms of the GNU General Public Lincense
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