Having no Implicit VR Little Indian as transfer syntax alternative

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henrik....@gmail.com

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Apr 4, 2013, 8:31:19 AM4/4/13
to fo-d...@googlegroups.com
Would it be possible to prevent fo-dicom to add Implicit VR Little Indian automatically to additional transfer syntaxes. (1)
I'm trying to get PACS sending to work with dcm4chee, and when I set the primary transfer syntax to Explicit VR Little Indian, the Implicit VR little indian is selected. (2)

I don't want that, because the current implementation of fo-dicom assumes that Implicit VR Little Indian uses always OtherWord allocation (3)

Thanks in advance!

1)
public void AddFromRequest(DicomRequest request) {
tx.Add(DicomTransferSyntax.ExplicitVRLittleEndian);
tx.Add(DicomTransferSyntax.ImplicitVRLittleEndian);

2) 

DVTK_MW_SCU->DCM4CHEE (TCPServer-1-1) [org.dcm4cheri.net.FsmImpl] received AAssociateRQ
appCtxName: 1.2.840.10008.3.1.1.1/DICOM Application Context Name
implClass: 1.3.6.1.4.1.30071.8
implVersion: fo-dicom 1.0.32
calledAET: DCM4CHEE
callingAET: DVTK_MW_SCU
maxPDULen: 16384
asyncOpsWindow:
pc-1: as=1.2.840.10008.5.1.4.1.1.7/Secondary Capture Image Storage
ts=1.2.840.10008.1.2.1/Explicit VR Little Endian
ts=1.2.840.10008.1.2/Implicit VR Little Endian

DVTK_MW_SCU->DCM4CHEE (TCPServer-1-1) [org.dcm4cheri.net.FsmImpl] sending AAssociateAC
appCtxName: 1.2.840.10008.3.1.1.1/DICOM Application Context Name
implClass: 1.2.40.0.13.1.1.1
implVersion: dcm4che-1.4.31
calledAET: DCM4CHEE
callingAET: DVTK_MW_SCU
maxPDULen: 16352
asyncOpsWindow:
pc-1: 0 - acceptance
ts=1.2.840.10008.1.2/Implicit VR Little Endian
3)
public static DicomPixelData Create(DicomDataset dataset, bool newPixelData = false) {
var syntax = dataset.InternalTransferSyntax;

if (newPixelData) {
if (syntax == DicomTransferSyntax.ImplicitVRLittleEndian)
return new OtherWordPixelData(dataset, true);

jarek_w

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Oct 6, 2016, 4:31:46 AM10/6/16
to Fellow Oak DICOM
Hi All,
I also have similar problem with another store scp. The workstation always accepts LEI (if LEI and LEE are offered). Normally it would not be an issue but some of the images appear blank on the ws after sending . Maybe I can somehow force fodicom not to offer LEI if it makes sense at all? I have no possibility to access the ws settings.

Best regards
Jarek
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