[Insight-users] Re-sort a 3D Volume

[Bill Lorensen]

Roger,

Try doing an Update on each ExtractImageFilter before the PushBackInput. I 
suspect a bug in the pipeline processing. I notice that the tests both do 
an Update before setting the poutputs.

Bill

At 03:34 AM 4/5/2007, Roger Bramon Feixas wrote:
>Hi,
>
>I need to re-order the slices of a 3D volume. I tried to extract 2D
>slices using a "itkExtractImageFilter" and create a new volume using
>"itkTileImageFilter" but it doesn't work. The extraction works good
>because I write the output in an image and it's correct. The problem
>is in "itkTileImageFilter". I receive data empty error when I want to
>use tileImageFilter output. That is my algorism:
>
>before the loop:
>
>  - I instantiate the TileImageFilter
>  - I set the layout in 1,1,0
>
>into the loop over the images:
>
>  - I allocated a different ExtractImageFilter for each image
>  - I fed the TileImageFilter with the output of each different
>ExtractImageFilter: tileFilter->PushBackInput( extractFilter- >GetOutput() 
>). I also tried to do that using: tileFilter->SetInput ( i, 
>extractFilter->GetOutput() )
>
>after the loop:
>
>  TileImageFilter->Update();
>
>After the loop, the layout is : 1,1,X where X is the number of slices
>that I pushed. Also, I read in a insight-user mail that they solved a
>similar problem saving all of ExtractimageFilter objects in a vector
>but in my way it doesn't work.
>
>I hope anybody know anything about my problem.
>
>
>Thanks,
>
>Roger
>
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