# writevtk¶

There are 3 forms of this command.

## writevtk(points, lines, filename, point data name, point data, line data name, cell data)¶

Writes network in points-and-lines format to a .vtk file.

This command cannot be used in the distributed processing mode. If you need it, please contact the authors.

### Arguments¶

#### points [input]¶

Data type: float32 image

Image that stores coordinates of all points in the network. See getpointsandlines command.

#### lines [input]¶

Data type: uint64 image

Image that stores a list of point indices for each edge. See getpointsandlines command.

#### filename [input]¶

Data type: string

Name of file to write. Suffix .vtk will be added to the file name.

#### point data name [input]¶

Data type: string

Default value: “”

Comma-separated list of names of data fields for each point.

#### point data [input]¶

Data type: float32 image

Image that has one row for each point. The data in columns will be saved in the .vtk file using names given in argument ‘point data name’.

#### line data name [input]¶

Data type: string

Default value: “”

Comma-separated list of names of data fields for each line.

#### cell data [input]¶

Data type: float32 image

Image that has one row for each line. The data in columns will be saved in the .vtk file using names given in argument ‘line data name’.

getpointsandlines

## writevtk(points, lines, filename)¶

Writes network in points-and-lines format to a .vtk file.

This command cannot be used in the distributed processing mode. If you need it, please contact the authors.

### Arguments¶

#### points [input]¶

Data type: float32 image

Image that stores coordinates of all points in the network. See getpointsandlines command.

#### lines [input]¶

Data type: uint64 image

Image that stores a list of point indices for each edge. See getpointsandlines command.

#### filename [input]¶

Data type: string

Name of file to write. Suffix .vtk will be added to the file name.

## writevtk(points, lines, filename, point data name, point data)¶

Writes network in points-and-lines format to a .vtk file.

This command cannot be used in the distributed processing mode. If you need it, please contact the authors.

### Arguments¶

#### points [input]¶

Data type: float32 image

Image that stores coordinates of all points in the network. See getpointsandlines command.

#### lines [input]¶

Data type: uint64 image

Image that stores a list of point indices for each edge. See getpointsandlines command.

#### filename [input]¶

Data type: string

Name of file to write. Suffix .vtk will be added to the file name.

#### point data name [input]¶

Data type: string

Default value: “”

Comma-separated list of names of data fields for each point.

#### point data [input]¶

Data type: float32 image

Image that has one row for each point. The data in columns will be saved in the .vtk file using names given in argument ‘point data name’.