[Insight-developers] Misleading ImageRegionConstIterator example

[Bradley Lowekamp]

That sounds good to me!

Thanks for your efforts to improve the documentation of ITK!

Brad

On May 31, 2012, at 2:16 PM, David Doria wrote:

> On this page:
> 
> http://www.itk.org/Doxygen/html/classitk_1_1ImageRegionConstIterator.html
> 
> there is an example that shows the use of an iterator:
> 
>      it = it.Begin();
>      for (; !it.IsAtEnd(); ++it)
>         {
>         *it += 100.0;
>         }
> 
> There are two problems with this. First, the iterators don't seem to
> provide this * operator for dereferencing. Second, it is the const
> iterator page, and the data is being modified.
> 
> I propose changing this to:
> 
>      it = it.Begin();
>      for (; !it.IsAtEnd(); ++it)
>         {
>         std::cout << it.Get();
>         }
> 
> or similar. Seem reasonable?
> 
> David
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========================================================
Bradley Lowekamp  
Medical Science and Computing for
Office of High Performance Computing and Communications
National Library of Medicine 
blowekamp at mail.nih.gov



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