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<p class="MsoNormal"><b><span style="font-size:10.0pt; font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt; font-family:"Tahoma","sans-serif""> Raviteja, Allaparthi
<br>
<b>Sent:</b> Thursday, October 18, 2012 4:58 PM<br>
<b>To:</b> vtkusers@vtk.org<br>
<b>Subject:</b> FW: problem in combining two mhd images </span></p>
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<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt; font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt; font-family:"Tahoma","sans-serif""> Raviteja, Allaparthi
<br>
<b>Sent:</b> Thursday, October 18, 2012 4:39 PM<br>
<b>To:</b> 'vtkusers@vtk.org'<br>
<b>Subject:</b> problem in combining two mhd images </span></p>
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<p class="MsoNormal">Hi,</p>
<p class="MsoNormal">I am new to VTK and I have a problem in combining two “mhd” images . The code and the error are as follows.</p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas; color:blue">#include</span><span style="font-size:9.5pt; font-family:Consolas">
<span style="color:#A31515"><vtkMetaImageReader.h></span></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas; color:blue">#include</span><span style="font-size:9.5pt; font-family:Consolas">
<span style="color:#A31515"><vtkImageData.h></span></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas; color:blue">#include</span><span style="font-size:9.5pt; font-family:Consolas">
<span style="color:#A31515"><vtkSmartPointer.h></span></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas; color:blue">#include</span><span style="font-size:9.5pt; font-family:Consolas">
<span style="color:#A31515"><vtkImageViewer2.h></span></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas; color:blue">#include</span><span style="font-size:9.5pt; font-family:Consolas">
<span style="color:#A31515"><vtkImageBlend.h></span></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas; color:blue">#include</span><span style="font-size:9.5pt; font-family:Consolas">
<span style="color:#A31515"><string></span></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas; color:blue">int</span><span style="font-size:9.5pt; font-family:Consolas"> main (
<span style="color:blue">int</span> argc, <span style="color:blue">char</span>* argv[] )</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas">{</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas">
<span style="color:green">// Parse input arguments</span></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas">
<span style="color:blue">if</span> ( argc != 3 )</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> {</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> std::cerr <<
<span style="color:#A31515">"Usage: "</span> << argv[0]</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> <<
<span style="color:#A31515">" Input1Filename Input2Filename"</span> << std::endl;</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas">
<span style="color:blue">return</span> EXIT_FAILURE;</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> }</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> </span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> std::string input1Filename = argv[1];</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> std::string input2Filename = argv[2];</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> <span style="color:green">// Read the images</span></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> vtkSmartPointer<vtkMetaImageReader> MetaImageReader1 =</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> vtkSmartPointer<vtkMetaImageReader>::New();</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas">MetaImageReader1->SetFileName ( input1Filename.c_str() );</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> vtkSmartPointer<vtkMetaImageReader> MetaImageReader2 =</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> vtkSmartPointer<vtkMetaImageReader>::New();</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas">MetaImageReader2->SetFileName ( input2Filename.c_str() );</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> <span style="color:green">// Combine the images (blend takes multiple connections on the 0th input port)</span></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> vtkSmartPointer<vtkImageBlend> blend =</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> vtkSmartPointer<vtkImageBlend>::New();</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> blend->AddInputConnection(MetaImageReader1->GetOutputPort());</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> blend->AddInputConnection(MetaImageReader2->GetOutputPort());</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> blend->SetOpacity(0,.5);</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> blend->SetOpacity(1,.5);</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> <span style="color:green">// Display the result</span></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> vtkSmartPointer<vtkRenderWindowInteractor>::New();</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> vtkSmartPointer<vtkImageViewer2> imageViewer =</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> vtkSmartPointer<vtkImageViewer2>::New();</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> imageViewer->SetInputConnection(blend->GetOutputPort());</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> imageViewer->SetupInteractor(renderWindowInteractor);</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> imageViewer->GetRenderer()->ResetCamera();</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> imageViewer->GetRenderer()->SetBackground(1,0,0);
<span style="color:green">//red</span></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> renderWindowInteractor->Initialize();</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> renderWindowInteractor->Start();</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas"> <span style="color:blue">return</span> EXIT_SUCCESS;</span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt; font-family:Consolas">}</span></p>
<p class="MsoNormal">ERROR: In C:\VTK-5.10.0\VTK\Imaging\vtkImageBlend.cxx, line 913</p>
<p class="MsoNormal">VTKImageBlend[00B6FD18]:Execute:input1 ScalarType [11],must match output ScalarType [5]</p>
<p class="MsoNormal">How do I resolve the above error? I am attaching the two input “mhd” files. Could Someone Please help me out.</p>
<p class="MsoNormal">Thank you.</p>
<p class="MsoNormal">Regards,</p>
<p class="MsoNormal">Ravi Teja.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"> </p>
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