<p>In your program, change the default vtkexecutive type to vtkCompositeDataPipeline. That knows how to iterate over the blocks to satisfy the mismatch on the output and input filter types for you.</p>
<div class="gmail_quote">On May 30, 2012 5:49 PM, "erol yeniaras" <<a href="mailto:eyeniaras@gmail.com">eyeniaras@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>Hello all,</div><div><br></div><div>Below is the algorithm that I am trying for rendering exodusII file. It gives the following error when loading Reader to the Filter:</div><div><font color="#cc0000"><i>ERROR: In ..\..\..\..\vtksource-prefix\src\vtksource\Filtering\vtkDemandDrivenPipeline.cxx, line 827</i></font></div>
<div><font color="#cc0000"><i>vtkStreamingDemandDrivenPipeline (0756AF50): Input for connection index 0 on input port index 0 for algorithm vtkContourFilter(07560E88) is of type vtkMultiBlockDataSet, but a vtkDataSet is required.</i></font></div>
<div><br></div><div><b><font face="times new roman, serif">ALGORITHM:</font></b></div><div><font face="times new roman, serif">vtkExodusIIReader <b>Reader </b>= vtkExodusIIReader.New();</font></div><div><font face="times new roman, serif">vtkContourFilter <b>Filter </b>= vtkContourFilter.New();</font></div>
<div><font face="times new roman, serif">vtkPolyDataNormals <b>Normals </b>= vtkPolyDataNormals.New();</font></div><div><font face="times new roman, serif">vtkPolyDataMapper <b>Mapper </b>= vtkPolyDataMapper.New();</font></div>
<div><font face="times new roman, serif">vtkActor <b>actor </b>= vtkActor.New();</font></div><div><font face="times new roman, serif"><br></font></div><div><div><font face="times new roman, serif"><b>Reader</b>.SetFileName("C:\\...\\fem.e");</font></div>
<div><font face="times new roman, serif"><b>Reader</b>.Update();</font></div><div><font face="times new roman, serif"><br></font></div><div><font face="times new roman, serif"><b>Filter.SetInputConnection(Reader.GetOutputPort()); </b> // Here is the problem!!!</font></div>
<div><font face="times new roman, serif"> </font></div><div><font face="times new roman, serif"><b>Normals</b>.SetInputConnection(<b>Filter</b>.GetOutputPort()); </font></div><div><font face="times new roman, serif"> </font></div>
<div><font face="times new roman, serif"><b>Mapper</b>.SetInputConnection(<b>Normals</b>.GetOutputPort());</font></div><div><font face="times new roman, serif"> </font></div><div><font face="times new roman, serif"><b>actor</b>.SetMapper(<b>Mapper</b>);</font></div>
</div><div><br></div><div>Any help is highly appreciated.</div><div><br></div><div>Best,</div><div>Erol</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div>
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