<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=Windows-1252"><meta name="qrichtext" content="1"><style type="text/css">
p, li { white-space: pre-wrap; }
</style></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>I am writing a custom filter that grabs data from NASA's CDA Web service using the RESTful protocols. I am using QNetworkAccessManager for network interaction, and QXmlStreamReader for XML parsing. This combination seems to be a completely non-blocking system.</div><div><br></div><div>My thought to make it work is to add a slot to my reader code to update filter information once the network communication is complete, but I cannot figure out how to connect a signal from a network reader to my custom filter… everything I have tried doesn't seem to work.</div><div><br></div><div>I can set up connections within my network manager class just fine, but I cannot set up connections between my network manager and my primary filter itself.</div><div><br></div><div>I have tried adding my main filter header file to QT4_WRAP_CPP (and added Q_OBJECT macro to my class) and I get the following:</div><div><br></div><div>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><!--StartFragment--><span style=" color:#aa0000;">/Users/sysop/Developer/vtkModules/scinfo-build/moc_vtkSpaceCraftInfo.cxx:69:27: error: no member named 'staticMetaObject' in 'vtkTableAlgorithm'</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" color:#aa0000;"> { &vtkTableAlgorithm::staticMetaObject, qt_meta_stringdata_vtkSpaceCraftInfo,</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" color:#aa0000;"> ~~~~~~~~~~~~~~~~~~~^</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" color:#aa0000;">/Users/sysop/Developer/vtkModules/scinfo-build/moc_vtkSpaceCraftInfo.cxx:87:31: error: no member named 'qt_metacast' in 'vtkTableAlgorithm'</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" color:#aa0000;"> return vtkTableAlgorithm::qt_metacast(_clname);</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" color:#aa0000;"> ~~~~~~~~~~~~~~~~~~~^</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" color:#aa0000;">/Users/sysop/Developer/vtkModules/scinfo-build/moc_vtkSpaceCraftInfo.cxx:92:30: error: no member named 'qt_metacall' in 'vtkTableAlgorithm'</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" color:#aa0000;"> _id = vtkTableAlgorithm::qt_metacall(_c, _id, _a);</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" color:#aa0000;"> ~~~~~~~~~~~~~~~~~~~^</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" color:#aa0000;">3 errors generated.</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" color:#aa0000;">make[2]: *** [CMakeFiles/SpaceCraftInfoSMPlugin.dir/moc_vtkSpaceCraftInfo.cxx.o] Error 1</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" color:#aa0000;">make[1]: *** [CMakeFiles/SpaceCraftInfoSMPlugin.dir/all] Error 2</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" color:#aa0000;">make: *** [all] Error 2</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-weight:600; color:#aa0000;">18:01:37: The process "/usr/bin/make" exited with code 2.</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" color:#aa0000;">Error while building/deploying project SpaceCraftInfo (kit: Desktop)</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" color:#aa0000;">When executing step 'Make'</span><!--EndFragment--></p></div><div><br></div><div>Anyway, if anyone has any suggestions, on how I might make this work, please let me know.</div><div><br></div><div>Thanks,</div><div>Josh</div><div><br></div></body></html>