<div dir="ltr">The number of inputs that the threshold filter accepts cannot be changed, without rewriting it that is.<div><br></div><div>Instead, think about making a branching pipeline, that is sending your unstructured grid into multiple threshold filters, the output of each is to be rendered independently.<br>
<div><br></div></div></div><div class="gmail_extra"><br clear="all"><div>David E DeMarle<br>Kitware, Inc.<br>R&D Engineer<br>21 Corporate Drive<br>Clifton Park, NY 12065-8662<br>Phone: 518-881-4909</div>
<br><br><div class="gmail_quote">On Thu, Nov 21, 2013 at 3:22 PM, Bhanu Hariharan <span dir="ltr"><<a href="mailto:bhanu@petrotel.com" target="_blank">bhanu@petrotel.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><div><div><div><div><div><div><div><div>Dear vtk-users,<br><br></div>I am trying to do set up multiple Input Ports for a vtkThreshold type of filter.<br></div>Input to the threshold filter is a vtkUnstructuredGrid.<br>
<br></div><div>My code looks like<br><br></div><div>myThresholdfilter.SetInput(port0, myUnstructuredGrid);<br>myThresholdfilter.SetInput(port1, myUnstructuredGrid);<br><br><br></div>I would like to setup multiple viewports in my rendering window and in each viewport I would like a different grid property rendered. The grid property is a scalar array added to myUnstructuredGrid.<br>
</div><div><br>(I thought I can render different image in different viewports this way - I may be wrong here to begin with so if anyone wants to correct me here please feel free).<br></div><div><br>At run time as soon as the debugger hits the line <br>
myThresholdfilter.SetInput(port1, myUnstructuredGrid);<br></div>it complaints that I attempted to use port index 1 when number of ports is 1.<br><br></div>I can't even seem to do <br>myThresholdfilter.SetNumberofInputPorts(); <br>
</div><div>as this is a protected method.<br></div><div><br></div>How do I set up multiple input ports for a vtkThreshold filter. Please if anyone can shed some light on it, it would be a great help as I have spent a lot of time on it trying this and that without any luck.<br>
<br></div>Thanks in advance,<br></div>Bhanu<br></div>
<br>
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