[Insight-users] image region iterator

[David Doria]

On Fri, Nov 2, 2012 at 5:31 AM, Wyke Huizinga <wykehuizinga at gmail.com> wrote:
> Hi,
>>
>>
>> I'm having a problem with the image iterator.
>> I want to iterate over a specific volume in a 4D image.
>> What I do is the following:
>>
>> I loop over the volumes in the 4D image. Each new loop the region for the
>> image iterator changes.
>> The region is put into a function which should iterate then over the
>> specific volume.
>>
>> The region size is set to the size of a volume and the size of the 4th
>> dimension is set to 0 (in this case: [79 107 60 0])
>> The region index is set to [0 0 0 loopindex].
>>
>> Both the region and the image are passed in correctly into the function.
>>
>> However, the iterator says it is at its end before even starting the loop.
>> The code can be found here: http://pastebin.com/PArvffSq
>> It goes wrong at line 55.
>>
>> I'm a bit of a newby in both ITK and C++, so forgive me if the code looks
>> bad.
>>
>> Thanks for your help,
>>
>>
>> Wyke Huizinga

Please create the smallest possible, stand alone, compilable example.
For example, replace the input image with a hard coded image. Remove
all of the random number generation, etc. It is much more manageable
for us to step through 20 lines than 130.

David