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IDProjectCategoryView StatusDate SubmittedLast Update
0004625ITKpublic2007-03-19 04:312010-10-21 12:31
ReporterJulien Michel 
Assigned ToLuis Ibanez 
PrioritynormalSeveritymajorReproducibilityalways
StatusclosedResolutionfixed 
PlatformOSOS Version
Product Version 
Target VersionFixed in Version 
Summary0004625: UnaryFunctorImageFilter breaks MetaDataDictionary handling through the execution pipeline
Descriptionitk::UnaryFunctorImageFilter overrides the GenerateOutputInformation() method, but without calling the Superclass implementation (for dimension reasons).

As a result the CopyInformation(DataObject * data) method is not called from input to outputs. This causes metadata stored in the itk::MetaDataDictionary of the input to be lost whenever there is a filter deriving from itk::UnaryFunctorImageFilter in the pipeline.

This could be fixed by calling outputPtr->CopyInformation(inputPtr) in the GenerateOutputInformation() for instance.
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  Notes
(0010436)
Jim Miller (developer)
2008-02-08 13:51

 The MetaDataDictionary is not passed through the pipeline because a filter cannot know whether the information still makes sense after it executes.

However, there have been many requests for the MetaDataDictionary to be passed. So we will add it. We need to put it in the CopyInformation() method of the data objects (high up in the hierarchy, for instance in DataObject) as well as add it to any filter that implements its own GenerateOutputInformation() method without calling the superclass method.
(0018230)
Luis Ibanez (manager)
2009-10-25 23:04

 Julien Michel contributed a patch to fix this bug:
http://www.itk.org/pipermail/insight-users/2009-October/033293.html [^]

The patch was committed with:
http://public.kitware.com/cgi-bin/viewcvs.cgi/Code/BasicFilters/itkUnaryFunctorImageFilter.txx?root=Insight&r1=1.32&r2=1.33&sortby=date [^]
(0018231)
Luis Ibanez (manager)
2009-10-25 23:05

 An Experimental build submitted from macondo.kitware was green.

 Issue History
Date Modified Username Field Change
2008-02-08 13:49 Jim Miller Assigned To Luis Ibanez => Jim Miller
2008-02-08 13:51 Jim Miller Note Added: 0010436
2009-10-25 23:04 Luis Ibanez Note Added: 0018230
2009-10-25 23:04 Luis Ibanez Assigned To Jim Miller => Luis Ibanez
2009-10-25 23:05 Luis Ibanez Note Added: 0018231
2009-10-25 23:05 Luis Ibanez Status assigned => resolved
2009-10-25 23:05 Luis Ibanez Resolution open => fixed
2010-10-21 12:31 Gabe Hart Status resolved => closed

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