[vtkusers] How to add point vectors to DataSet with cell & point scalars

[John Platt]

Hi all,

 

I would like to add an array from a vtkDataObject to a vtkDataSet to
form point vectors so I can deform a grid. The data set already contains
cell & point scalars which need to be preserved.

 

vtkMergeDataObjectFilter only copies cell or point data, so after adding
the scalars from the vtkDataSet to the vtkDataObject, I loose the cell
scalars. The vtkMergeDataObjectFilter filter could be forced to execute
and the scalars added to the filter output but I would prefer to avoid
this if possible.

 

Is there a filter, filter sequence or technique which will give me all 3
arrays in the output vtkDataSet.

 

Thanks in advance.

 

John

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