| Argument | Variable | Type | Length | Range | Default | Description |
| id | Id | str | 1 | | 0 | script id |
| handle | Self | self | 1 | | | handle to self |
| disabled | Disabled | bool | 1 | | 0 | disable execution and piping |
| i | Image | vtkImageData | 1 | | | the input image |
| ifile | ImageInputFileName | str | 1 | | | filename for the default Image reader |
| f | Format | str | 1 | ["vtkxml","vtk","meta","tiff","png","pointdata"] | | file format |
| guessformat | GuessFormat | bool | 1 | | 1 | guess file format from extension |
| useitk | UseITKIO | bool | 1 | | 1 | use ITKIO mechanism |
| transform | ApplyTransform | bool | 1 | | 0 | apply transform on writing - ITKIO only |
| ofile | OutputFileName | str | 1 | | | output file name |
| o | OutputFileName | str | 1 | | | output file name (deprecated: use -ofile) |
| rawfile | OutputRawFileName | str | 1 | | | name of the output raw file - meta image only |
| d | OutputDirectoryName | str | 1 | | | output directory name - png, tiff |
| r | PixelRepresentation | str | 1 | ["double","float","short"] | | output scalar type |
| windowlevel | WindowLevel | float | 2 | | [1.0, 0.0] | window and level for mapping graylevels to 0-255 before writing - png, tiff |
| matrix | RasToIjkMatrixCoefficients | float | 16 | | None | |