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#1 Posted : Tuesday, December 21, 2010 11:09:36 PM(UTC)
samit1984

Groups: Registered
Posts: 33


sir i want to change tag value
for example
if i want to change paitient name i am writing code as below

pTag = LDicomTag::Find(TAG_PATIENT_NAME);
if (pTag != NULL)
{
LDicomTag::SetName(pTag, TEXT("New name"));
}
nRet = pDS->SaveDS (TEXT"S:\\test\\work.dcm"), 0);

code execute without error but
when i open it with dicom deta set demo the value is not change it will still show the same old name
thanks samit
 

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#2 Posted : Wednesday, December 22, 2010 6:05:52 AM(UTC)

Basel  
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To change a DICOM tag in a Dataset file, you can use this code:
L_INT nRet;
LDicomDS *pDS;
pDICOMELEMENT pElement;
pDS = new LDicomDS(NULL);
/* Load the data set from a DICOM file */
pDS->LoadDS(TEXT("D:\\LT\\images\\test2.dcm"), 0);
pElement = pDS->FindFirstElement(NULL, TAG_PATIENT_NAME, TRUE);
pDS->SetStringValue(pElement, TEXT("New^name"), 1, DICOM_CHARACTER_SET_DEFAULT);
// pDS->SetConvertValue(pElement, TEXT("New^name"), 1);
pElement = pDS->FindFirstElement(NULL, TAG_IMAGE_TYPE, FALSE);
pDS->SetConvertValue(pElement, TEXT("DERIVED\\PRIMARY"), 2);
nRet = pDS->SaveDS (TEXT("S:\\test\\work.dcm"), 0);
pDS->ResetDS();
delete pDS;

The LDicomTag class contains functionality for working with the table, or list (but not DICOM DataSet) of available Data Element Tags that LEADTOOLS maintains internally.
 
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