| -sum | Sum input files (default is to average). |
| -rescale -0.1,5.2 | Rescale input images to average and standard deviation. |
| -divide | Values / amplitudes are divided with the weighting function (default). |
| -multiply | Values / amplitudes are multiplied with the weighting function. |
| -verbose 7 | Verbosity of output. |
| -datatype u | Force writing of a new data type. |
| -sampling 1.5,1.5,1.5 | Sampling (A/pixel; a single value can be given). |
| -translate | Translate images to a common origin. |
| -origin 0.8,-10,15.7 | Set the origin. |
| -wiener 0.1 | Wiener factor for dividing (default 0.2). |
| -weight input.img | Real space weighting function. |
| -Weight input.img | Fourier space weighting function. |
| -output output.img | Output image. |