[ITK-users] ImageFileReader Update()

[Arnaud Gelas]

please read section 3.5 Data Processing Pipeline

On Oct 24, 2014, at 12:10 PM, Abdul Abdul <abdul.sw84 at gmail.com> wrote:

> 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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