<div dir="ltr">Hi Orlando,<div><br></div><div>An array cannot, by itself, be an output.</div><div>Instead, the array must be attached to a vtkDataObject.<br></div><div><br></div><div><div>vtkDataObject *output = outInfo->Get(vtkDataObject::DATA_OBJECT());</div></div><div>vtkSmartPointer<vtkStringArray> strArr = vtkStringArray::New();<br></div><div>strArray->SetName("Strings"); // set name to whatever you want</div><div>output->GetFieldData()->AddArray(strArray);</div><div><br></div><div>The "FieldData" of a vtkDataObject is a collection of arrays, you</div><div>can add an unlimited number of arrays to it, and then retrieve them</div><div>later:</div><div><br></div><div>vtkStringArray *a = vtkStringArray::SafeDownCast(</div><div> output->GetFieldData()->GetAbstractArray("Strings"));</div><div><br></div><div>You don't need to add any new outputs to the algorithm. You can just</div><div>add the arrays to the FieldData of an output that already exists.</div><div><br></div><div> - David</div><div><br><div class="gmail_extra"><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Nov 25, 2014 at 2:23 AM, RIVERA, Orlando <span dir="ltr"><<a href="mailto:Orlando.RIVERA@mtu.de" target="_blank">Orlando.RIVERA@mtu.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
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<p><span lang="EN-US">Dear Community<u></u><u></u></span></p>
<p><span lang="EN-US"><u></u> <u></u></span></p>
<p><span lang="EN-US">I have been trying for a while and I checked some examples as well
<u></u><u></u></span></p>
<p><span lang="EN-US"><u></u> <u></u></span></p>
<p><span lang="EN-US">I just want in a reader by RequestData to add two extra output ports one for vtkStringArray and one to vtkIntArray ,
<u></u><u></u></span></p>
<p><span lang="EN-US"><u></u> <u></u></span></p>
<p><span lang="EN-US">Something lilke: <u></u><u></u></span></p>
<p><span lang="EN-US"><u></u> <u></u></span></p>
<p><span lang="EN-US">void RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector* outputVector){<u></u><u></u></span></p>
<p><span lang="EN-US"> {<u></u><u></u></span></p>
<p><span lang="EN-US">...... <u></u><u></u></span></p>
<p><span lang="EN-US"> vtkSmartPointer<vtkInformation> outinfo1= outputVector->GetInformationObject(1);<u></u><u></u></span></p>
<p><span lang="EN-US"> vtkSmartPointer<vtkStringArray> strArr= vtkStringArray::SafeDownCast(outInfo1->Get(vtkDataObject::DATA_OBJECT()));<u></u><u></u></span></p>
<p><span lang="EN-US"> strArr->SetNumberOfValues() ;<u></u><u></u></span></p>
<p><span lang="EN-US">...<u></u><u></u></span></p>
<p><span lang="EN-US">} <u></u><u></u></span></p>
<p><span lang="EN-US"><u></u> <u></u></span></p>
<p><span lang="EN-US">I think I need to tell outputVector somewhere that its second element is a vtkStringArray? I saw all plugins send vtkPoint, Grids etc but nothing like string-int arrays .Sorry for my naivety !<u></u><u></u></span></p>
<p><span lang="EN-US"><u></u> <u></u></span></p>
<p>Cheers <u></u><u></u></p>
<p><u></u> <u></u></p>
<p>Orlando <u></u><u></u></p>
<p class="MsoNormal"><span style="font-size:10pt;font-family:Arial,sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
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