| 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 | Network | vtkPolyData | 1 | | | the input network |
| ifile | NetworkInputFileName | str | 1 | | | filename for the default Network reader |
| f | Format | str | 1 | ["vtkxml","vtk","arch"] | | file format |
| u | InputUnits | str | 1 | ["mm","cm","m"] | mm | units in which the input network is represented |
| guessformat | GuessFormat | bool | 1 | | 1 | guess file format from extension |
| radiusarray | RadiusArrayName | str | 1 | | Radius | name of the point data array where radius is stored (arch format) |
| labelsarray | LabelsArrayName | str | 1 | | Labels | name of the cell data array where labels are stored (arch format) |
| ofile | OutputFileName | str | 1 | | | output file name |
| o | OutputFileName | str | 1 | | | output file name (deprecated: use -ofile) |
