[ITK-users] Error encountered when padding: boundary condition is ITK_NULLPTR

[Matt McCormick]

Hi Marie,

The relationship between pixel / index coordinates and physical space
is described in the ITK Software Guide:

  https://itk.org/ITKSoftwareGuide/html/Book1/ITKSoftwareGuide-Book1ch4.html#x38-470004.1

There are methods on itk::Image to go between the two,
TransformIndexToPhysicalPoint and TransformPhysicalPointToIndex,

  https://itk.org/Doxygen/html/classitk_1_1ImageBase.html#ab003313ba1a078d89a832dc0a35d2efa
  https://itk.org/Doxygen/html/classitk_1_1ImageBase.html#af4a7c9c3787e9fdafbaaade2e02efa25

Hope this helps,
Matt

On Tue, Aug 29, 2017 at 8:41 AM, avazuila <mbrunet at insa-rennes.fr> wrote:
> Hi Matt,
>
> getBounds() returns physical coordinates. Do you know how I could get the
> index coordinates? I am having a hard time managing to understand what
> indexes are for and I can't see a getIndex() method in my code (I'm not the
> author of these methods).
>
> Thanks and regards,
>
> Marie
>
>
>
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