<div dir="ltr">Hi,<div><br></div><div>I know the input and desired regions, not sure how to look for the buffered region.</div><div><br></div><div>1. Reviewing my code I saw I didn't set the input image for the extracter, so I added:</div><div>extracter->SetInput(image);</div><div><br></div><div>Good, right? But no. Still the same error.</div><div><br></div><div>2. Then I tried switching to itkExtractImageFilter, and I got:</div><div><span style="font-family:Courier;font-size:10pt;color:rgb(0,0,0)">Exception at 0x7633c42d, code: 0xe06d7363: C++ exception, flags=0x1 (execution cannot be continued) (first chance) at c:\itk-4.8.0-installed\include\itk-4.8\itkextractimagefilter.hxx:242</span><br></div><div><span style="font-family:Courier;font-size:10pt;color:rgb(0,0,0)"><br></span></div><div>So I had to look inside this code (why don't throw me more info in the try catch?) to see what's happening, and I read this:<span style="font-family:Courier;font-size:10pt;color:rgb(0,0,0)"><br></span></div><div><table class="" style="border-collapse:collapse;border-spacing:0px;color:rgb(51,51,51);font-family:Helvetica,arial,nimbussansl,liberationsans,freesans,clean,sans-serif,'Segoe UI Emoji','Segoe UI Symbol';font-size:13px;line-height:18.2px"><tbody><tr><td id="LC242" class="" style="padding:0px 10px;vertical-align:top;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;white-space:pre;overflow:visible;word-wrap:normal"><span class="" style="color:rgb(0,134,179)">itkExceptionMacro</span>( << <span class="" style="color:rgb(24,54,145)"><span class="">"</span>It is required that the strategy for collapsing the direction matrix be explicitly specified. <span class="">"
<table class="" style="white-space:normal;border-collapse:collapse;border-spacing:0px;color:rgb(51,51,51);font-family:Helvetica,arial,nimbussansl,liberationsans,freesans,clean,sans-serif,'Segoe UI Emoji','Segoe UI Symbol';font-size:13px;line-height:18.2px"><tbody><tr><td id="LC243" class="" style="font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;padding:0px 10px;vertical-align:top;font-size:12px;white-space:pre;overflow:visible;word-wrap:normal"><< <span class="" style="color:rgb(24,54,145)"><span class="">"</span>Set with either myfilter->SetDirectionCollapseToIdentity() or myfilter->SetDirectionCollapseToSubmatrix() <span class="">"
<table class="" style="line-height:18.2px;white-space:normal;border-collapse:collapse;border-spacing:0px;color:rgb(51,51,51);font-family:Helvetica,arial,nimbussansl,liberationsans,freesans,clean,sans-serif,'Segoe UI Emoji','Segoe UI Symbol';font-size:13px"><tbody><tr><td id="L244" class="" style="font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;padding:0px 10px;width:50px;min-width:50px;white-space:nowrap;font-size:12px;line-height:18px;color:rgba(0,0,0,0.298039);vertical-align:top;text-align:right;border-style:solid;border-color:rgb(238,238,238);border-width:0px 1px 0px 0px"></td><td id="LC244" class="" style="font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;padding:0px 10px;vertical-align:top;font-size:12px;white-space:pre;overflow:visible;word-wrap:normal"> << <span class="" style="color:rgb(0,134,179)">typeid</span>( ImageBase< InputImageDimension > * ).<span class="" style="color:rgb(0,134,179)">name</span>() );</td></tr></tbody></table><span style="line-height:18.2px"></span>
</span></span></td></tr></tbody></table>
</span></span></td></tr></tbody></table></div><div><div>3. I also tried to insert a:</div><div>image->Update();</div><div>or</div><div>image->UpdateOutputData();</div><div>with same results.</div><div><br></div><div>I was thinking about passing the reader, but I'd like to apply changes to my image, so this method would receive a modified copy (no DeepCopy method like in vtk?)</div></div><div><br></div><div><br></div><div>Yes, the input image is connected to a pipeline:</div><div>itk::Image -> itk::<span style="color:rgb(128,0,128)">ImageToVTKImageFilter -> vtk::</span><span style="color:rgb(128,0,128)">vtkImageFlip -> vtkImageData -> vtkImageViewer2</span></div><div><span style="color:rgb(128,0,128)"><br></span></div><div><span style="color:rgb(128,0,128)"><br></span></div><div>Thanks again for your interest.<br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">2015-09-08 16:16 GMT+02:00 Bradley Lowekamp <span dir="ltr"><<a href="mailto:blowekamp@mail.nih.gov" target="_blank">blowekamp@mail.nih.gov</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">Hello,<div><br></div><div>What is the buffered region for the input image? Is the input image connected to a pipeline?</div><div><br></div><div>Perhaps you just forgot to update the input image before running this function?</div><div><br></div><div>Brad</div><div><br><div><div><div class="h5"><div>On Sep 7, 2015, at 5:21 PM, Marcos <<a href="mailto:fotosentido@gmail.com" target="_blank">fotosentido@gmail.com</a>> wrote:</div><br></div></div><blockquote type="cite"><div><div class="h5"><div dir="ltr">Hi,<div><br></div><div>I have a method that was exporting fine one frame from my itk::Image.</div><div><br></div><div>My method:</div><div><br></div><div><pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(128,128,0)">void</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">Exporter</span><span>::</span><span>exportOriginal</span><span>(</span><span style="color:rgb(128,0,128)">QString</span><span style="color:rgb(192,192,192)"> </span><span>fileName</span><span>,</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">ImageType</span><span>::</span><span style="color:rgb(128,0,128)">Pointer</span><span style="color:rgb(192,192,192)"> </span><span>image</span><span>,</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,128,0)">int</span><span style="color:rgb(192,192,192)"> </span><span>frame</span><span>)</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span>{</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,128,0)">typedef</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">itk</span><span>::</span><span style="color:rgb(128,0,128)">ImageFileWriter</span><span><</span><span style="color:rgb(128,0,128)">FrameImageType</span><span>></span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">WriterType</span><span>;</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">WriterType</span><span>::</span><span style="color:rgb(128,0,128)">Pointer</span><span style="color:rgb(192,192,192)"> </span><span>writer</span><span style="color:rgb(192,192,192)"> </span><span>=</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">WriterType</span><span>::</span><span>New</span><span>();</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><br></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span>writer</span><span>-></span><span style="font-style:italic">SetFileName</span><span>(</span><span>fileName</span><span>.</span><span>toStdString</span><span>().</span><span>c_str</span><span>());</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><br></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">ImageType</span><span>::</span><span style="color:rgb(128,0,128)">RegionType</span><span style="color:rgb(192,192,192)"> </span><span>inputRegion</span><span style="color:rgb(192,192,192)"> </span><span>=</span><span style="color:rgb(192,192,192)"> </span><span>image</span><span>-></span><span style="font-style:italic">GetLargestPossibleRegion</span><span>();</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><br></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">ImageType</span><span>::</span><span style="color:rgb(128,0,128)">IndexType</span><span style="color:rgb(192,192,192)"> </span><span>index</span><span style="color:rgb(192,192,192)"> </span><span>=</span><span style="color:rgb(192,192,192)"> </span><span>inputRegion</span><span>.</span><span>GetIndex</span><span>();</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">ImageType</span><span>::</span><span style="color:rgb(128,0,128)">SizeType</span><span style="color:rgb(192,192,192)"> </span><span>size</span><span style="color:rgb(192,192,192)"> </span><span>=</span><span style="color:rgb(192,192,192)"> </span><span>inputRegion</span><span>.</span><span>GetSize</span><span>();</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><br></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span>index</span><span>[</span><span style="color:rgb(0,0,128)">0</span><span>]</span><span style="color:rgb(192,192,192)"> </span><span>=</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,0,128)">0</span><span>;</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span>index</span><span>[</span><span style="color:rgb(0,0,128)">1</span><span>]</span><span style="color:rgb(192,192,192)"> </span><span>=</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,0,128)">0</span><span>;</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span>index</span><span>[</span><span style="color:rgb(0,0,128)">2</span><span>]</span><span style="color:rgb(192,192,192)"> </span><span>=</span><span style="color:rgb(192,192,192)"> </span><span>frame</span><span>;</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><br></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,128,0)">//</span><span style="color:rgb(192,192,192)"> </span><font color="#008000">3D to 2D</font></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span>size</span><span>[</span><span style="color:rgb(0,0,128)">2</span><span>]</span><span style="color:rgb(192,192,192)"> </span><span>=</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(0,0,128)">0</span><span>;</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><br></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">ImageType</span><span>::</span><span style="color:rgb(128,0,128)">RegionType</span><span style="color:rgb(192,192,192)"> </span><span>outputRegion</span><span>;</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span>outputRegion</span><span>.</span><span>SetIndex</span><span>(</span><span>index</span><span>);</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span>outputRegion</span><span>.</span><span>SetSize</span><span>(</span><span>size</span><span>);</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><br></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,128,0)">typedef</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">itk</span><span>::</span><span style="color:rgb(128,0,128)">Testing</span><span>::</span><span style="color:rgb(128,0,128)">ExtractSliceImageFilter</span><span><</span><span style="color:rgb(128,0,128)">ImageType</span><span>,</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">FrameImageType</span><span>></span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">ExtractType</span><span>;</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">ExtractType</span><span>::</span><span style="color:rgb(128,0,128)">Pointer</span><span style="color:rgb(192,192,192)"> </span><span>extracter</span><span style="color:rgb(192,192,192)"> </span><span>=</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">ExtractType</span><span>::</span><span>New</span><span>();</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span>extracter</span><span>-></span><span>SetExtractionRegion</span><span>(</span><span>outputRegion</span><span>);</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><br></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span>writer</span><span>-></span><span>SetInput</span><span>(</span><span>extracter</span><span>-></span><span>GetOutput</span><span>());</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,128,0)">try</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span>{</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span>writer</span><span>-></span><span style="font-style:italic">Update</span><span>();</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span>}</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,128,0)">catch</span><span style="color:rgb(192,192,192)"> </span><span>(</span><span style="color:rgb(128,0,128)">itk</span><span>::</span><span style="color:rgb(128,0,128)">ExceptionObject</span><span style="color:rgb(192,192,192)"> </span><span>&</span><span>ex</span><span>)</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span>{</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,0)">std</span><span>:</span>cerr<span style="color:rgb(192,192,192)"> </span><span><<</span><span style="color:rgb(192,192,192)"> </span><span>ex</span><span style="color:rgb(192,192,192)"> </span><span><<</span><span style="color:rgb(192,192,192)"> </span><span style="color:rgb(128,0,128)">std</span><span>::</span>endl<span>;</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span style="color:rgb(192,192,192)"> </span><span>}</span></pre>
<pre style="margin-top:0px;margin-bottom:0px"><span>}</span></pre></div><div><br></div><div>as inputRegion, I have:</div><div>index: [0, 0, 0]</div><div>size: [512, 512, 12]</div><div><br></div><div>as outputRegion, I have:</div><div>index: [0, 0, 1] # first frame</div><div>size: [512, 512, 0]</div><div><br></div><div><br></div><div><br></div><div>But I'm not sure what happened, now with every image I got an exception:</div><div><span style="color:rgb(24,54,145);font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;line-height:16.8px;white-space:pre-wrap"><span style="font-family:Courier;font-size:10pt;line-height:normal">itkimagefilewriter.hxx:287: </span>"</span><span style="color:rgb(24,54,145);font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;line-height:16.8px;white-space:pre-wrap">Largest possible region does not fully contain requested paste IO region</span><span style="color:rgb(24,54,145);font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;line-height:16.8px;white-space:pre-wrap">"</span><br></div><div><span style="color:rgb(24,54,145);font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:12px;line-height:16.8px;white-space:pre-wrap"><br></span></div><div><div>By the way, my try catch is not getting the exception message, I had to look inside the writer class.</div><div>Any ideas? Thank you.</div></div></div></div></div>
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