[Insight-users] Question about setRegions

[Karthik Krishnan]

Its likely that image is null.. you might be creating a smartpointer in
function and passing it out a raw pointer.. Please use a debugger and read
the guide about smart pointers.

On Mon, Nov 9, 2009 at 1:49 PM, Yili Pan <pyl0420 at gmail.com> wrote:

> Hi everyone:
>
> I'm trying to get a specific slice of the volume:
>
>                         index[0]=sliceNum;
> ImageType::RegionType regionImg;
>  ImageType::IndexType start;
> start[0]=0;
> start[1]=0;
>  ImageType::SizeType sizeImg;
> sizeImg[0]=size[1];
> sizeImg[1]=size[2];
>  regionImg.SetIndex(start);
> regionImg.SetSize(sizeImg););
> image->SetRegions(regionImg);
>  image->Allocate();
> Then I use getPixel and setPixel to read the pixel value of volume and set
> the value of  corresponding  position.
> This method worked, but when I tried to write it as a function, the problem
> came.
> The program broke at image->SetRegions(regionImg)
>
> Could you help me with this problem? If I write it in the main function,
> the whole program would be very long
>
> Thanks a lot!!
>
> Best,
> Yili
>
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