[Insight-users] expand image function

[robert tamburo]

You can use the PadImageFilter to create a 12x12 image of zero-valued
pixels, then 'paste' your input image into it at a specified index (using
SetDestinationIndex).

http://www.itk.org/Doxygen36/html/classitk_1_1PasteImageFilter.html
<http://www.itk.org/Doxygen36/html/classitk_1_1PasteImageFilter.html>

On Thu, Mar 3, 2011 at 10:27 AM, john smith <mkitkinsightuser at gmail.com>wrote:

> Hello,
>
> I am trying to expand my image. I have created a function called *expandImage
> *and I am trying to expand the input pointer *image *from 10x10 to 12x12,
> with boundary pixels having value 0.  All the other's no-boundary pixels I
> want them to get the values from the input image respectively. But I do not
> know how to do it. Has anybody any idea? Here is my function.
>
> Thanks in advance
>
> ------------------------------------------------------
> -------------------------------------
> void expandImage(ImageType::Pointer image)
> {
>
>   ImageType::IndexType start;
>   start.Fill(0);
>
>   ImageType::SizeType size;
>   size.Fill(12);
>
>   ImageType::RegionType region(start, size);
>   image->SetRegions(region);
>   image->Allocate();
>   image->FillBuffer(0);
>
>
>   // Make a square with value 0 on the even pixels and value 10 on the odd
> pixels
>     for(unsigned int i = 1; i < 11; i++)
>       {
>       for(unsigned int j = 1; j < 11; j++)
>         {
>         ImageType::IndexType pixelIndex;
>         pixelIndex[0] = i;
>         pixelIndex[1] = j;
>
>       ///   image->SetPixel(pixelIndex, 255);
>
>
>         }
>       }
>
>
> }
>
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