<div dir="ltr">Not entirely sure where your code is failing, but attached is a sample. Since I let ParaView create the default widget, I can entire arbitrary int values in the UI and they seem to get propagated to the source as expected.<div><br></div><div>Utkarsh<br><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr">On Wed, Jun 10, 2015 at 9:19 AM RIVERA ROLDAN, Jorge Orlando <<a href="mailto:Orlando.RIVERA@mtu.de">Orlando.RIVERA@mtu.de</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">





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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">Dear  Mailing list
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">I was developing a  reader for   3.98  and  I want to port into 4.3.1. A short description follows:<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">I use a  vtkSMIntVectorProperty
<b>selProp</b> to  store a vector with  1 or 0 (true  or false ) .    This vector 
<b>selPro</b>  is l filled when in the GUI  I call the accepted property (Apply in Pipeline Browser:: Properties )  .  This  selPro  is connected to a function ActivateSelVec on the server , that   fills another vector  (vtkIntArray)   <b>selVec</b>.
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">When  the RequestData is called   selVec  should be already filled with 1s and 0s. (the same values of  selPro  ) 
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">In 3.98  RequestData (the whole sequence in fact )  is called twice  when I press Apply,  Don’t know  how ?  but I see it with the  debugger.  <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">The order in which  the functions are called  are:<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">1^st call<u></u><u></u></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">SetActivateSelVec</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">
   (Server:  fills <b>selVec</b>   – with zeros only since  accepted was not executed -- )<u></u><u></u></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">Accepted</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">           (Gui 
 fills   <b>selPro</b>  with 1 and 0   depending  on the state  of qtree)<u></u><u></u></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">RequestData</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">     
 (Does nothing since  <b>selVec</b>    is  all 0 )<u></u><u></u></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">2^nd call
<u></u><u></u></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">SetActivateSelVec   (Server:  fills
<b>selVec</b>   – this time  correctly since Accepted was already call in the first call and
<b>selPro</b> has correct values  )<u></u><u></u></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">Accepted           (Gui  fills   <b>selPro</b>  with 1 and 0   depending  on the state  of qtree , which is the same as
 the 1^st call )<u></u><u></u></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">RequestData      (Works  since 
<b>selVec</b>    has 1 and 0  from ActivateSelVec    in the second call   )<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">In 4.3.1   does not work  because  the sequence is called  once !!<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">1^st call<u></u><u></u></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">SetActivateSelVec   (Server:  fills
<b>selVec</b>   – with zeros only since  accepted was not executed -- )<u></u><u></u></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">Accepted           (Gui  fills   <b>selPro</b>  with 1 and 0   depending  on the state  of qtree)<u></u><u></u></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">RequestData      (Does nothing since 
<b>selVec</b>    is  all 0 )  <b>!!!!</b>  <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">The problem is  that in 4.3.1  This sequence is called only once .
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">Another  reformulation   of my question will be  : How can I send   values to  RequestData   from the GUI ?<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">Any  help will be  greatly  appreciated
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">Regards 
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">Orlando Rivera 
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">PS  My files look like this
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">--------------------------<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">pqReader.cxx:<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">pqReader::pqReader   //GUI constructor<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">{<u></u><u></u></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">this->selPro=vtkSMIntVectorProperty::SafeDownCast(this->proxy()->GetProperty( "ActivateSelVec"  ));<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">}<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">-----------------------------<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">Reader.xml:<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><ServerManagerConfiguration><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">  <ProxyGroup name="sources"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">  ….     
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">      <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">      <IntVectorProperty name="ActivateSelVec"<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">          command="SetActivateSelVec<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">              number_of_elements="0"<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">              repeat_command="1"<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">              number_of_elements_per_command="1"<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">          use_index="1"<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">          default_values="0"<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">              label="ActivateStructure"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">      </IntVectorProperty><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">     
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"></ServerManagerConfiguration><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">-----------------<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">vtkReader.cxx<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">void vtkReader:: SetActivateSelVe (int idx, int flag);<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">{<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">selPro->InsertTuple1(idx,flag);<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">}<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">Int vtkReader::RequesData(…)<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">{<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">     /*   getData  using  selPro  */<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">}<u></u><u></u></span></p>
</div>
</div>
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