<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:12pt"><div>Hi,</div><div><br></div><div>I am developing an algorithm that requires a composite data set as input while creating a vtkDataSet as output -- basically it inherit from vtkDataSetAlgorithm. I know that one must provide a new definition to the FillInputPortInformation(int port, vtkInformation *info) function, but I'm not sure how. Please advise, thank you.</div><div><br></div><div>Sohail</div></div></body></html>