... The task has the facility both to write and to read a template image. The parameters writetemplateset , readtemplateset and templateset are relevant. The template image values represent the task's best estimate of the width of the gaussian required to achieve the desired SNR for each pixel. NOTE that the definition of the template values is changed in versions 2.7 and later of asmooth . ... Several images in separate energy bands must be submitted to the task. ...