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<p class="MsoNormal">A filter generates some data and makes it available via<o:p></o:p></p>
<p class="MsoNormal">GetHistogramData() - it could be a vtkInt/DoubleArray or even a vtkImageData depending on use.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-GB"> <ProxyProperty name="Histgram"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-GB"> command="GetHistogramData"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-GB"> informationonly=1><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-GB"> </ProxyProperty><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">How can I access this in the client? <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Trying this …<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-GB"> vtkSMProperty *histoarray = repr->getProxy()->GetProperty("Histogram");<br>
if ( histoarray != 0) {<br>
vtkSMProxyProperty *temp = vtkSMProxyProperty::SafeDownCast(histoarray);<br>
temp->GetProxy(0)->UpdatePropertyInformation();<br>
<br>
vtkIntArray *histogramvalues = vtkIntArray::SafeDownCast(temp->GetProxy(0)->GetClientSideObject());<br>
std::cout << "Here" << std::endl;<br>
}<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">results in a segfault at the GetClientSideObject. I was hoping that I could get the data transferred across using a vtkDataObject and then access it, but it doesn’t work as I had hoped.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m aware that I could use an vtkIntVectorProperty and then an simpleIntVectorPopertyHelper, but this was much too slow when I tried before, so I hoped to be able to use a dataset or data array directly. There doesn’t seem to be a helper
for a vtkDataSet (imagedata would be lovely as I want to transfer some 2D arrays as well).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Is there an example in the source that does this?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">ta<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">JB<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-GB">--
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-GB">John Biddiscombe, email:biddisco @.at.@ cscs.ch<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-GB"><a href="http://www.cscs.ch/"><span style="color:windowtext">http://www.cscs.ch/</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-GB">CSCS, Swiss National Supercomputing Centre | Tel: +41 (91) 610.82.07<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IT-CH" style="font-size:10.0pt;font-family:"Courier New";mso-fareast-language:EN-GB">Via Trevano 131, 6900 Lugano, Switzerland | Fax: +41 (91) 610.82.82<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="IT-CH"><o:p> </o:p></span></p>
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