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# interfaces.dipy.tracks

## TrackDensityMap

Link to code

Creates a tract density image from a TrackVis track file using functions from dipy

### Example

    >>> import nipype.interfaces.dipy as dipy
    >>> trk2tdi = dipy.TrackDensityMap()
    >>> trk2tdi.inputs.in_file = 'converted.trk'
    >>> trk2tdi.run()

Inputs:

    [Mandatory]
    in_file: (an existing file name)
            The input TrackVis track file

    [Optional]
    data_dims: (a list of from 3 to 3 items which are an integer)
            The size of the image in voxels.
    out_filename: (a file name, nipype default value: tdi.nii)
            The output filename for the tracks in TrackVis (.trk) format
    points_space: ('rasmm' or 'voxel' or None, nipype default value:
             rasmm)
            coordinates of trk file
    reference: (an existing file name)
            A reference file to define RAS coordinates space
    voxel_dims: (a list of from 3 to 3 items which are a float)
            The size of each voxel in mm.

Outputs:

    out_file: (an existing file name)