[Dcmlib] gdcm exception during new gdcm::File()

[Benoit Regrain]

Hi,

These methods are in the current CVS version, not in a
packaged version directly downloadable via the web site.
What version are you using ?

Cheers
Benoit Regrain


----- Original Message ----- 
From: "gbook" <gbook at gbook.org>
To: <dcmlib at creatis.insa-lyon.fr>
Sent: Tuesday, May 17, 2005 2:10 AM
Subject: Re: [Dcmlib] gdcm exception during new gdcm::File()


> The dicom files I'm using are ones from the sampleData from the News page.
> What is the best way to open a dicom file? The methods described on the 
> news
> page dont seem to work either:
>
> gdcm::File *f = new gdcm::File();
> f->SetLoadMode(NO_SEQ | NO_SHADOW);
> f->Load(fileName);
>
> Neither Load or SetLoadMode seem to be accesible functions.
>
> -Greg
>
>
> Jean-Pierre ROUX wrote:
>
>> At 15:21 +0200 16/05/05, Benoit Regrain wrote:
>>
>>> Hi,
>>>
>>> I will let others answer concerning the use of exceptions.
>>> But on this point, I think it's some tests or examples (but it's to
>>> verify).
>>>
>>> Concerning the creation of your gdcm::File :
>>> - If the file doesn't exist (like I have understand in your mail), it's
> identic to create an empty gdcm::File by
>>>        dcfile = new gdcm::File();
>>> - If your file exists, there's anormal that it's now not readable and
>>>  generate an exception. In this case, please send the image to
>>>  JPR (our guru of Dicom files) at : 
>>> jean-pierre.roux at creatis.insa-lyon.fr
>>
>>
>>
>> Well...
>> Actually, we made some modifications in the gdcm class diagram, between
> version 0.6 and 1.0
>> Could you have a look , in http://www/creatis.univ-lyon1.fr/Public/Gdcm
>> at 'News', to be sure you didn't miss anything, around gdcm::Document /
> gdcm::File / gdcm::FileHelper.
>>
>> JPRx
>>
>>>
>>> Cheers
>>> Benoit Regrain
>>>
>>>
>>> ----- Original Message ----- From: "gbook" <gbook at gbook.org>
>>> To: <dcmlib at creatis.insa-lyon.fr>
>>> Sent: Monday, May 16, 2005 2:04 PM
>>> Subject: [Dcmlib] gdcm exception during new gdcm::File()
>>>
>>>
>>>> I'm having some trouble creating a new gdcm::File(filename) object with
> gdcm 1.0. I didn't have this problem with 0.6 though. I try to create a 
> File
> object like this: (filepath = "C:\gdcmData\00191113.dcm")
>>>>
>>>>     dcfile = new gdcm::File(filepath.c_str());
>>>>
>>>> It fails with an unhandled exception error. When I place it inside a
> try/catch statement, it fails gracefully without raising an exception.
>>>>
>>>> try { dcfile = new gdcm::File(filepath.c_str()); }
>>>> catch (...) {
>>>>     logWnd->AppendText(msg.Format("Creating a new gdcm file 
>>>> failed...\n"));
>>>>     return 0;
>>>> }
>>>>
>>>> But... when I try to catch the error in an exception object, it fails 
>>>> with
> an unhandled exception error:
>>>>
>>>> try {
>>>>     dcfile = new gdcm::File(filepath.c_str());
>>>> }
>>>> catch (gdcm::FileError e) {
>>>> //        logWnd->AppendText(msg.Format("Creating a new gdcm file
> failed...(%s)\n", theError.c_str()));
>>>>     logWnd->AppendText(msg.Format("Creating a new gdcm file 
>>>> failed...\n"));
>>>>     return 0;
>>>> }
>>>>
>>>>
>>>> So, I have two questions: 1) what is the proper way to catch exceptions
> originating from gdcm function calls. 2) The files I'm using work fine 
> with
> gdcm 0.6, but not with 1.0. Is there a change in the way it reads files in 
> 1.0?
>>>> I'm using MS Visual C++ on Windows 2000. I'm also using wxWidgets.
>>>>
>>>> Thanks
>>>> -Greg Book
>>>>
>>>> _______________________________________________
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>>>> Dcmlib at creatis.insa-lyon.fr
>>>> http://www.creatis.insa-lyon.fr/mailman/listinfo/dcmlib
>>>
>>> _______________________________________________
>>> Dcmlib mailing list
>>> Dcmlib at creatis.insa-lyon.fr
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>>
>>
>>   Jean-Pierre ROUX
>>   CREATIS - CNRS UMR 5515, INSERM U 630
>>   Laboratoire de Radiologie Experimentale
>>   Hopital Cardiologique
>>   28 Avenue du Doyen LEPINE
>>   B.P. Lyon-Montchat
>>   69394 Lyon Cedex 03
>>
>>   Tel      : (+33) 04 72 35 74 12
>>   Fax      : (+33) 04 72 68 49 16
>>   URL      : http://www.creatis.univ-lyon1.fr
>>   e-mail   : jpr at creatis.univ-lyon1.fr
>>
>
>
>
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