Tool: imagertask |
tool for imager tasks |
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Method: imagertask |
Construct an imagertask tool |
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Method: clean |
Perform clean operations |
vis |
string |
name of input visibility file (MS) |
alg |
string |
Algorithm to use (clark, hogbom, csclean, csfast). Default is clark. |
niter |
int |
Number of iterations. Default=1000. |
gain |
double |
The minor iteration loop gain. Default is 0.1. |
threshold |
double |
Threshold flux level at which to stop cleaning (in Jy). Default is 0.Jy. |
residual |
stringArray |
name of residual image. Default is model name concatenated with ".residual". |
image |
stringArray |
name of restored image. Default is model name concatenated with ".restored". |
model |
stringArray |
name of model image. No value. |
mask |
stringArray |
name of mask image. No value. |
mode |
string |
Type of processing (channel or velocity) |
nchan |
intArray |
With mode, this defines the number of channels for mapping of visibilities to image channels |
start |
intArray |
With mode, this defines the starting channel for mapping of visibilities to image channels |
width |
intArray |
With mode, this defines the width of channels for mapping of visibilities to image channels |
step |
intArray |
With mode, this defines the step of channels for mapping of visibilities to image channels |
imsize |
intArray |
The size of the output image (pixels). |
cell |
intArray |
The image cell size (arcseconds). |
stokes |
string |
Stokes params to image. Default is 'I'. Allowed: I, IV, IQU, IQUV |
fieldid |
intArray |
Field IDs to include. Default is 1. Allows a vector of available field ids. |
spwid |
intArray |
Spectral Window IDs to include. Default is 1. Allows a vector of available spectral window ids. |
weighting |
string |
Type of weighting (natural, uniform, briggs, radial). Default is uniform. |
rmode |
string |
Mode of Briggs weighting ('norm', 'abs', 'none'). Default is 'none'. |
robust |
double |
Parameter in briggs weighting. Range -2.0 to 2.0. Default is 0.0. |
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Method: feather |
Perform feather operation |
vis |
string |
name of input visibility file (MS) |
featherimage |
string |
name of output image |
highres |
string |
name of high resolution (interferometer) image |
lowres |
string |
name of low resolution (single dish) image |
lowpsf |
string |
image of the single dish beam |
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Method: invert |
Perform invert operation |
vis |
string |
name of input visibility file (MS) |
map |
string |
name of output dirty map (image) |
beam |
string |
name of output beam file (image) |
mode |
string |
Type of processing (channel or velocity) |
nchan |
intArray |
With mode, this defines the number of channels for mapping of visibilities to image channels |
start |
intArray |
With mode, this defines the starting channel for mapping of visibilities to image channels |
width |
intArray |
With mode, this defines the width of channels for mapping of visibilities to image channels |
step |
intArray |
With mode, this defines the step of channels for mapping of visibilities to image channels |
imsize |
intArray |
The size of the output image (pixels). |
cell |
intArray |
The image cell size (arcseconds). |
stokes |
string |
Stokes params to image. Default is 'I'. Allowed: I, IV, IQU, IQUV |
fieldid |
intArray |
Field IDs to include. Default is 1. Allows a vector of available field ids. |
spwid |
intArray |
Spectral Window IDs to include. Default is 1. Allows a vector of available spectral window ids. |
weighting |
string |
Type of weighting (natural, uniform, briggs, radial). Default is uniform. |
rmode |
string |
Mode of Briggs weighting ('norm', 'abs', 'none'). Default is 'none'. |
robust |
double |
Parameter in briggs weighting. Range -2.0 to 2.0. Default is 0.0. |
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Method: mosaic |
Perform mosaic operation |
vis |
string |
name of input visibility file (MS) |
alg |
string |
Algorithm to use (mfclark,mfhogbom). Default is 'mfclark'. |
niter |
int |
Number of iterations. Default=1000. |
gain |
double |
The minor iteration loop gain. Default is 0.1. |
threshold |
double |
Threshold flux level at which to stop cleaning (in Jy). Default is 0.Jy. |
residual |
stringArray |
name of residual image. Default is model name concatenated with ".residual". |
image |
stringArray |
name of restored image. Default is model name concatenated with ".restored". |
model |
stringArray |
name of model image. No value. |
mask |
stringArray |
name of mask image. No value. |
mode |
string |
Type of processing (channel or velocity) |
gridfn |
string |
Type of gridding function (spheroidal wave, box car, primary beam |
grid |
string |
Type of gridding mosaic or ft (standard interferometry) |
nchan |
intArray |
With mode, this defines the number of channels for mapping of visibilities to image channels |
start |
intArray |
With mode, this defines the starting channel for mapping of visibilities to image channels |
width |
intArray |
With mode, this defines the width of channels for mapping of visibilities to image channels |
step |
intArray |
With mode, this defines the step of channels for mapping of visibilities to image channels |
imsize |
intArray |
The size of the output image (pixels). |
cell |
intArray |
The image cell size (arcseconds). |
stokes |
string |
Stokes params to image. Default is 'I'. Allowed: I, IV, IQU, IQUV |
fieldid |
intArray |
Field IDs to include. Default is 1. Allows a vector of available field ids. |
reffieldid |
int |
Reference Field IDs to use. Default is 1. |
spwid |
intArray |
Spectral Window IDs to include. Default is 1. Allows a vector of available spectral window ids. |
weighting |
string |
Type of weighting (natural, uniform, briggs, radial). Default is uniform. |
mosweight |
string |
Type of weighting used for the mosaic. T means that each field will be weighted individually. |
rmode |
string |
Mode of Briggs weighting ('norm', 'abs', 'none'). Default is 'none'. |
robust |
double |
Parameter in briggs weighting. Range -2.0 to 2.0. Default is 0.0. |
minpb |
double |
Minimum PB level to use. Default is 0.1. |
scaletype |
string |
Image plane flux scale type ('NONE', 'SAULT'). Default is 'NONE'. |
stoplargenegatives |
int |
Stop large negatives. Default=-1. |
cyclefactor |
double |
Cycle factor. Default=1.5. |
cyclespeedup |
double |
Cycle speedup. Default=2. |
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