[ITK-users] ImageFileReader Update()

[Abdul Abdul]

Hi Arnaud,

Thanks for your kind reply. That is very helpful. I got the following from
the guide regarding "Update()":

*The pipeline update mechanism ensures that the reader only executes when a
data request is made to the reader and the reader has not read any data.*

But, it is yet not very clear.

Can you kindly describe it a bit?

Thanks.

On Fri, Oct 24, 2014 at 11:16 AM, Arnaud Gelas <arnaudgelas at gmail.com>
wrote:

> Hi Abdul,
>
> A good starting point is the software guide:
>
> http://www.itk.org/ItkSoftwareGuide.pdf
>
> Best
> Arnaud
>
> On Oct 24, 2014, at 10:30 AM, Abdul Abdul <abdul.sw84 at gmail.com> wrote:
>
> Hello,
>
> I'm new to ITK, and just want to ask about what "Update()" means when used
> with ImageFileReader.
>
> For instance:
>
>  typedef itk::ImageFileReader<ImageType> ReaderType;
>  ReaderType::Pointer imageReader = ReaderType::New();
>  imageReader->SetFileName( argv[1] );
> * imageReader->Update();*
>
> Thanks.
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