Imregrid
From CASA Guides
Help on imregrid task:
regrid an image onto a template image imregrid: regrid an image to a new coordinate system. The new coordinate system is defined by the template parameter, which can be: * a recognized reference code string (see below), * a {'csys': csys_record, 'shap': shape} dictionary, * 'get', which does not regrid but returns the template dictionary for imagename, suitable for modification and reuse, or * the name of an image to get the coordinate system and shape from. The input and template images must have the same coordinate structure. Keyword arguments: imagename -- Name of the image that needs to be regridded default: none; example: imagename='orion.image' template -- Dictionary, reference code, or imagename defining the new shape and coordinate system, or 'get' to return the template dictionary for imagename. Recognized reference codes are: 'J2000', 'B1950', 'B1950_VLA', 'GALACTIC', 'HADEC', 'AZEL', 'AZELSW', 'AZELNE', 'ECLIPTIC', 'MECLIPTIC', 'TECLIPTIC', and 'SUPERGAL'. default: 'get'; example: template='orion_j2000.im' output -- Name for the regridded image default: imagename + '.regridded'; example: imagename='orion_shifted.im' async -- Run task in a separate process (return CASA prompt) default: False; example: async=True