<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-family: Calibri, sans-serif; "><div>Hello,</div><div><br></div><div>Before I get too deep into trying to find a solution for a problem I am having in a custom filter, I would like to know if the following is possible:</div><div><br></div><div><br></div><div>Can I dynamically change the number of output ports (in PV 4.0) in a filter based on the information selected in a properties panel?</div><div><br></div><div>What I need to do is the following:</div><ol><li>User selects space craft data to download from NASA's CDAweb</li><li>Multiple data sets can be selected, as sometimes all of the data you need is not in one dataset</li><li>This downloads multiple .cdf files from CDAweb</li><li>I need to be able to parse these files into separate tables, as name collisions are quite frequent</li><li>Thus one filter may need to produce an arbitrary number of vtkTables</li></ol><div>If It is possible to dynamically allocate output ports, I will do it that way. IF NOT, can anyone provide a suggestion?</div><div><br></div><div>Thanks,</div><div>Josh</div></body></html>