[Insight-users] Help on Casting 3D to 2D

[Neil Weisenfeld]

I think that  ExtractImageFilter does what you want.


Regards,
Neil

ExtractImageFilter also collapses dimensions so that the input image may 
have more dimensions than the output image (i.e. 4-D input image to a 
3-D output image). To specify what dimensions to collapse, the 
ExtractionRegion must be specified. For any dimension dim where 
ExtractionRegion.Size[dim] = 0, that dimension is collapsed. The index 
to collapse on is specified by ExtractionRegion.Index[dim]. For example, 
we have a image 4D = a 4x4x4x4 image, and we want to get a 3D image, 3D 
= a 4x4x4 image, specified as [x,y,z,2] from 4D (i.e. the 3rd "time" 
slice from 4D). The ExtractionRegion.Size = [4,4,4,0] and 
ExtractionRegion.Index = [0,0,0,2].

Riccio Giancarlo wrote:
> Hi to all,
>  
> I use ITK inside a software that I am widening with other functionalities,
> and I've the necessity to obtain an image 2D from the
> opening a single file but with dimension 3D.  Some suggestion?
> 
> 
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