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<p class="MsoNormal">Hi all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> I’m migrating our application from VTK5.10 to VTK6. I’m running into an issue with the VTKImageActor: The image data no longer shows up in the Image actor. In VTK 5.10, there is no problem. I can see our image data on
the actor. In VTK 6, I only see a black area.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> Code:<o:p></o:p></p>
<p class="MsoNormal"> // Create the image data and load it with our pixel information<o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"> <span style="font-size:10.0pt;font-family:"Courier New"">
<span style="color:#010001">vtkSmartPointer</span><<span style="color:#010001">vtkImageData</span>>
<span style="color:#010001">pImageData</span> = <span style="color:#010001">vtkSmartPointer</span><<span style="color:#010001">vtkImageData</span>>::<span style="color:#010001">New</span>();<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New"">
<span style="color:#010001">SetupVTKImageDimensions</span>(<span style="color:#010001">pImageData</span>);<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New"">
<span style="color:#010001">pImageData</span>-><span style="color:#010001">AllocateScalars</span>(<span style="color:#010001">VTK_UNSIGNED_CHAR</span>,
<span style="color:#010001">iNumOfScalarComponents</span>);<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New"">
<span style="color:blue">unsigned</span> <span style="color:blue">char</span>* <span style="color:#010001">
pDest</span> = <span style="color:blue">static_cast</span><<span style="color:blue">unsigned</span>
<span style="color:blue">char</span>*>(<span style="color:#010001">pImageData</span>-><span style="color:#010001">GetScalarPointer</span>());<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New"">
<span style="color:#010001">CopyImageData</span>(<span style="color:#010001">pDest</span>); //<b>our code for copying the image data</b><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New""> // Adjust the size of the image data<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New"">
<span style="color:#010001">vtkSmartPointer</span><<span style="color:#010001">vtkImageShiftScale</span>>
<span style="color:#010001">pWindowLevel</span> = <span style="color:#010001">vtkSmartPointer</span><<span style="color:#010001">vtkImageShiftScale</span>>::<span style="color:#010001">New</span>();<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New"">
<span style="color:#010001">pWindowLevel</span>-><span style="color:#010001">SetOutputScalarTypeToUnsignedChar</span>();<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New"">
<span style="color:#010001">pWindowLevel</span>-><span style="color:#010001">ClampOverflowOn</span>();<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New";color:green"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New";color:green"> // Assign the image data to the image actor
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New"">
<span style="color:#010001">pWindowLevel</span>-><span style="color:#010001">SetInputData</span>(<span style="color:#010001">pImageData</span>);<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New"">
<span style="color:#010001">m_pImageActor</span>-><span style="color:#010001">SetInputData</span>(<span style="color:#010001">pWindowLevel</span>-><span style="color:#010001">GetOutput</span>());<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none">Any help is greatly appreciated.<o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><o:p> </o:p></p>
<p class="MsoNormal" style="text-autospace:none">Doug<o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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