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imager.getweightgrid - Function
2.3.1 get the requested weight grids
This is a utility function when running multi imager processes in parallel on subsection of an ms/data independently One would wish to weight the dirty image before averaging or set the imaging weight density (when using unform or Brigg’s style weighting) to account for all the data being used. This is NOT for the general user but for people who are parallelizing at the scripting level.
imaging: will return a the weight griddensity
ftweight: will put the FT-machine weight images in the names given in wgtimage parameters..these may be needed to average residual images from different processes running seperately on different section of the data. Arguments
Type of weight requested (imaging, ftweight)
names of weightimages to save
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