[Dcmlib] TestFromScratch

[Mathieu Malaterre]

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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