<div dir="ltr"><div>Dear Massi,<br></div>does the standard output show anything? i.e. A rounded output, zero? <br><div><div><div class="gmail_extra"><br></div><div class="gmail_extra">In theory, for a floating point number, if you do not set the precision [1], std::cout will round/limit the precision of the output to be displayed.<br>
<br></div><div class="gmail_extra">If you don't assume that the rest of your program is right, you can try storing the mean distance value in a variable and then see whether it actually contains some "expected" value.<br>
<br></div><div class="gmail_extra">HTH,<br>JON HAITZ<br><br></div><div class="gmail_extra">[1] <a href="http://www.cplusplus.com/reference/iomanip/setprecision/">http://www.cplusplus.com/reference/iomanip/setprecision/</a><br>
<br><br><div class="gmail_quote">On 22 February 2014 21:56, Massinissa Bandou <span dir="ltr"><<a href="mailto:Massinissa.Bandou@usherbrooke.ca" target="_blank">Massinissa.Bandou@usherbrooke.ca</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hello everyone!<br>
Can someone tell me what's wrong with this code? I cant display the mean<br>
distance<br>
<br>
thx for your help!<br>
<br>
Massi<br>
<br>
<br>
 vtkSmartPointer<vtkIterativeClosestPointTransform> icp =<br>
vtkSmartPointer<vtkIterativeClosestPointTransform>::New();<br>
        icp->SetSource(sourceData);<br>
        icp->SetTarget(targetData);<br>
        icp->SetMaximumNumberOfIterations(40);<br>
        icp->GetLandmarkTransform()->SetModeToRigidBody();<br>
        icp->CheckMeanDistanceOn();<br>
        icp->SetMeanDistanceModeToRMS();<br>
<br>
icp->AddObserver(vtkCommand::ProgressEvent,this,&Surface_Registration::ICPCallback);<br>
        icp->Modified();<br>
        icp->Update();<br>
<br>
void Surface_Registration::ICPCallback(vtkObject* caller,long unsigned int<br>
eventId,void* callData)<br>
{<br>
        vtkIterativeClosestPointTransform* progress =<br>
reinterpret_cast<vtkIterativeClosestPointTransform*>(caller);<br>
        cout<<progress->GetMeanDistance()<<endl;<br>
}<br>
<br>
&lt;/h3><br>
<br>
<br>
<br>
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</blockquote></div><br></div></div></div></div>