Storing Meta data with a vtk file

[lassoan (Andras Lasso)]

You can save metadata in field data. See some more details in this post:

Any way to insert comments in a file created by vtkXMLImageDataWriter

In 3D Slicer, we use field data to store additional metadata with meshes. You can read/write using existing VTK API. Search for “fielddata” in this file to see examples for reading/writing.