[Dcmlib] Is there a function that parses DS in gdcm ?

[Vincent Daanen]

Jean-Pierre Roux a écrit :
> Mathieu Malaterre wrote:
>
>> Vincent Daanen wrote:
>>
>>> Hi all,
>>>
>>> I must read a RTDOSE file and have to parse a DS to get the 
>>> informations.
>>> Since this seems to be something that happens often when reading 
>>> dicom fioles, is there a function (or a method in a class) that 
>>> parses DS in a double * or a std::vector <double> or anything else ?
>>
>>
>> Hi Vincent,
>>
>>     You are reaching the limits of gdcm, unfortunately. I still 
>> believe that you can read those, but expect some pain :).
>>     There is one hidden `feature` that prevent people from loading 
>> long binary stream, so don't be suprised if after loading you DICOM 
>> DS you cannot see the RTDOSE Tag. Have a look at
>> SetMaxSizeLoadEntry for more info. There is a thin layer exposed in 
>> ITK for that. I still believe that in the end you should do what you 
>> want because I know that people are reading 0029-1010 properly, so as 
>> long as you know which field to load you should be fine.
>
>
> --> Mathieu.
> I just finished readind your answer to Vincent.
> I guess you were thinking about an other problem (huge binary fields) ...
> DS  (for Decimal String) are never very long .
> (just
> PrintFile dirin=gdcmData | grep DS
> )
Yes, you're right JP, DS are not 'very long' but can be just 'long' : in 
the RTDOSE file I'm reading, it's about 2500 chars.
>
> I'm gonna add a very simple method, like :
> std::vector <double> File::GetDSValue(uint16_t group,uint16_t element);
>
Yes, I think it will be helpfull ; see my previous post.

 V
> JPRx

 

-- 
Vincent Daanen, PhD
Research Engineer, Post-Doctoral Position
Laboratoire TIMC/IMAG (Univ. Joseph Fourier - CNRS UMR 5525)
Equipe GMCAO
Institut d'Ingénierie de l'Information de Santé (IN3S)
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Vincent.Daanen at imag.fr

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