[Insight-users] ITK measurement units

[Karthik Krishnan]

Michael Halle wrote:

> Karthik Krishnan wrote:
>
>> Michael Halle wrote:
>>
>>> ...
>>>
>>> Related to this topic, has there ever been any discussion about 
>>> retaining measure and unit names for different data dimensions 
>>> through standardized fields in the metadata dictionary?
>>>
>>> I'd suggest two fields for each dimension: the first describing the 
>>> quantity being measured, the second the unit of measure.  For example:
>>>
>>> "spatial extent" "mm"
>>> "time" "second"
>>>
>>> In the simplest case, ITK wouldn't interpret these strings at all, 
>>> just store them in a standard field for the pipeline to use if it 
>>> wanted.
>>
>>
>> The metadata dictionary as it is now, isn't propagated through the 
>> pipeline at all. Something that it might be worthwhile having the 
>> itk::ProcessObject do in future.
>
>
> I understand.  At any rate, though, the reader has to get the 
> information out of the file and put it somewhere.  The metadata 
> dictionary's the right place to put it, right?

Yes.

Thanks
regards
karthik

>
>
> --Mike
>
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