[Dcmlib] TestFromScratch

Benoit Regrain benoit.regrain at creatis.insa-lyon.fr
Fri Dec 10 16:50:38 CET 2004


Mais j'ai fait un test qui part de rien pour créer le fichier à écrire...
c'est ca que tu essaye de faire aussi ? ou j'ai pas bien compris

Benoit

----- Original Message ----- 
From: "Mathieu Malaterre" <mathieu.malaterre at kitware.com>
To: "Mathieu Malaterre" <mathieu.malaterre at kitware.com>
Cc: "Mailing list gdcm" <dcmlib at creatis.insa-lyon.fr>
Sent: Friday, December 10, 2004 4:40 PM
Subject: Re: [Dcmlib] TestFromScratch


> Correction, ca ne marche que sous linux. Je l'ajoute dans Exemple
> seulement. Des que c'est fixer ca passera dans Tests.
>
> Mathieu
>
> Mathieu Malaterre wrote:
> > Woohoo !
> >
> > J'ai trouver, il faut faire:
> >
> > h2->ReplaceOrCreateByNumber(imageData,dataSize,0x7fe0, 0x0010,"PXL");
> >
> > puis
> >
> > f2->SetImageData(imageData, dataSize);
> >
> > Et ca marche !
> >
> > Je l'ajoute dans les exemples ou pas ?
> >
> > Mathieu
> > Ps: ca n'a plus bcp de sens si on a vrai writer, mais c'est pour gdcm
> > 0.6 dans ITK. Donc la question c'est est-ce qu'on veut conserver ce
> > comportement on bien les user ne sont pas senser faire aussi bas niveau
?
> >
> > Mathieu Malaterre wrote:
> >
> >> ben y'a vraiment plus rien qui marche ou c moi qui a besoin de cafe ?
> >>
> >>
> >
> > ------------------------------------------------------------------------
> >
> > #include "gdcmHeader.h"
> > #include "gdcmFile.h"
> > #include "gdcmDictEntry.h"
> > #include "gdcmDocEntry.h"
> > #include "gdcmValEntry.h"
> > #include "gdcmDebug.h"
> >
> > // The whole purpose of this example is to create a DICOM from scratch
> > // well almost the only thing we allow use is to copy the string entry
> > // From the previous image read.
> >
> > int TestFromScratch(int argc, char *argv[])
> > {
> >    if( argc < 2 )
> >    {
> >       std::cerr << "Usage: " << argv[0] << " Image.dcm" << std::endl;
> >       return 1;
> >    }
> >
> >    // Doesn't seems to do anything:
> >    dbg.SetDebug(-1);
> >    // Doesn't link properly:
> >    //gdcm::Debug::GetReference().SetDebug(1);
> >
> >    std::string filename = argv[1];
> >    //gdcm::File *f1 = new gdcm::File(
"/home/malaterre/Creatis/gdcmData/012345.002.050.dcm" );
> >    gdcm::File *f1 = new gdcm::File( filename );
> >    gdcm::Header *h1 = f1->GetHeader();
> >
> >    int dataSize = f1->GetImageDataSize();
> >    std::cout << "DataSize:      " << dataSize << std::endl;
> >    // Since we know the image is 16bits:
> >    uint8_t* imageData = f1->GetImageData();
> >
> >    // Hopefully default to something
> >    gdcm::Header *h2 = new gdcm::Header();
> >
> >    const gdcm::TagDocEntryHT &nameHt = h1->GetTagHT();
> >    //const gdcm::TagDocEntryHT &nameHt = h2->GetTagHT(); seems to be
empty ??
> >    for (gdcm::TagDocEntryHT::const_iterator tag = nameHt.begin(); tag !=
nameHt.end(); ++tag)
> >    {
> >       //Copy string only:
> >       if (tag->second->GetVR().find("SQ") == 0)
> >       {
> >          // skip DICOM SeQuence, otherwise following cast will crash
> >          continue;
> >       }
> >       std::string temp = ((gdcm::ValEntry*)(tag->second))->GetValue();
> >       const std::string &name = tag->second->GetName();
> >       const std::string &value =
((gdcm::ValEntry*)(tag->second))->GetValue();
> >       if( name != "unkn"
> >        && value.find( "gdcm::NotLoaded" ) != 0
> >        && value.find( "gdcm::Binary" )    != 0
> >        && value.find( "gdcm::Loaded" )    != 0 )
> >       {
> >         //std::cout << name << "," << temp << std::endl;
> >         gdcm::DictEntry *dictEntry =
h2->GetPubDict()->GetDictEntryByName(name);
> >         h2->ReplaceOrCreateByNumber( temp, dictEntry->GetGroup(),
dictEntry->GetElement());
> >       }
> >    }
> >
> >    h2->ReplaceOrCreateByNumber( imageData, dataSize, 0x7fe0, 0x0010,
"PXL" );
> >    h2->Print( std::cout );
> >
> >    gdcm::File *f2 = new gdcm::File( h2 );
> >
> >    // SetImageData does not work because you need to have called
> >    // somwhow ReplaceOrCreateByNumber before with the proper
group/element
> >    f2->SetImageData(imageData, dataSize);
> >
> >    f2->WriteDcmExplVR( "output.dcm" );
> >
> >    delete f1;
> >    delete f2;
> >    delete h2;
> >
> >    return 0;
> > }
> >
> >
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
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> > Dcmlib at creatis.insa-lyon.fr
> > http://www.creatis.insa-lyon.fr/mailman/listinfo/dcmlib
>
>
>
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