[Insight-users] Problem while disconnecting pipeline

[Martijn Steenwijk]

Yes, sorry forgot to copy that part.


On Wed, Sep 7, 2011 at 7:56 PM, robert tamburo <robert.tamburo at gmail.com>wrote:

> Are you calling update on the filter before setting the image to the filter
> output?
>
> On Wed, Sep 7, 2011 at 1:25 PM, Martijn Steenwijk <
> martijnsteenwijk at gmail.com> wrote:
>
>> Dear all,****
>>
>> ** **
>>
>> I would like to use an input image two times, so I have to Disconnect the
>> pipeline. My pipeline is like this…****
>>
>> ** **
>>
>> ReaderType::Pointer reader = ReaderType::New();****
>>
>> reader->SetFileName(myFile);****
>>
>> reader->Update();****
>>
>> ** **
>>
>> // Create a binary mask of the input image****
>>
>> typedef itk::BinaryThresholdImageFilter<ImageType,BinaryImageType>
>> BinaryThresholdImageFilterType;****
>>
>> BinaryThresholdImageFilterType::Pointer thresholdFilter =
>> BinaryThresholdImageFilterType::New();****
>>
>> thresholdFilter->SetInput(reader->GetOutput());****
>>
>> thresholdFilter->SetUpperThreshold(0.0000);****
>>
>> thresholdFilter->SetInsideValue(0);****
>>
>> thresholdFilter->SetOutsideValue(255);****
>>
>> ////****
>>
>> //  some other filters****
>>
>> ////****
>>
>> ImageType::Pointer filteredImage = myFilterN->GetOutput();****
>>
>> filteredImage->DisconnectPipeline();****
>>
>> ** **
>>
>> typedef itk::ImageFileWriter<ImageType>                 ImageWriterType;*
>> ***
>>
>> ImageWriterType::Pointer writer = ImageWriterType::New();****
>>
>> writer->SetFileName(myOutFile);****
>>
>> writer->SetInput(reader->GetOutput());             // for debug purposes,
>> just write the reader->Output();****
>>
>> writer->Update();****
>>
>> ** **
>>
>> Unfortunately the written image does not contain the input image, but the
>> output of myFilterN (filteredImage), which means, something gets wrong with
>> disconnecting the pipeline. How can I fix this?****
>>
>> ** **
>>
>> Best,****
>>
>> Martijn****
>>
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