[Insight-users] Problem while disconnecting pipeline

[robert tamburo]

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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