Network Transfer Syntax Control (NET)

Background

in earlier versions of DicomObjects (both .NET & COM), the same basic mechanism was used for selecting transfer syntaxes:

This system, which is described here worked well for many years, but has 3 main drawbacks:

The New .NET System

Overview

Whilst the old mechanism was been retained for backward compatibility, there is now an improved version. This provides the following benefits:

Details

Group Offered Transfer Syntaxes Accepted Transfer Syntaxes
Services ExplicitVRLittleEndian ImplicitVRLittleEndian ExplicitVRLittleEndian ImplicitVRLittleEndian
NonImageObjects ExplicitVRLittleEndian ImplicitVRLittleEndian ExplicitVRLittleEndian ImplicitVRLittleEndian
Images8Bit ExplicitVRLittleEndian ImplicitVRLittleEndian JPEGLossless JPEGLosslessFirstOrder RLELossless ExplicitVRLittleEndian ImplicitVRLittleEndian JPEGLossless JPEGLosslessFirstOrder RLELossless JPEGExtended JPEGBaseline JPEG2000Lossless JPEG2000Lossy
Images16Bit ExplicitVRLittleEndian ImplicitVRLittleEndian JPEGLossless JPEGLosslessFirstOrder RLELossless ExplicitVRLittleEndian ImplicitVRLittleEndian JPEGLossless JPEGLosslessFirstOrder RLELossless JPEGExtended JPEGBaseline JPEG2000Lossless JPEG2000Lossy

Services
DICOM Services such as verification and C-GET etc. Default values are:
“1.2.840.10008.1.1”
“1.2.840.10008.1.9”
“1.2.840.10008.1.20.1”
“1.2.840.10008.1.20.2”
“1.2.840.10008.3.1.2.1.1”
“1.2.840.10008.3.1.2.2.1”
“1.2.840.10008.3.1.2.3.1”
“1.2.840.10008.3.1.2.3.2”
“1.2.840.10008.3.1.2.3.3”
“1.2.840.10008.3.1.2.3.4”
“1.2.840.10008.3.1.2.3.5”
“1.2.840.10008.3.1.2.5.1”
“1.2.840.10008.3.1.2.6.1”
“1.2.840.10008.5.1.1.1”
“1.2.840.10008.5.1.1.2”
“1.2.840.10008.5.1.1.4”
“1.2.840.10008.5.1.1.4.1”
“1.2.840.10008.5.1.1.4.2”
“1.2.840.10008.5.1.1.14”
“1.2.840.10008.5.1.1.15”
“1.2.840.10008.5.1.1.16”
“1.2.840.10008.5.1.1.16.376”
“1.2.840.10008.5.1.1.24.1”
“1.2.840.10008.5.1.1.22”
“1.2.840.10008.5.1.1.31”
“1.2.840.10008.5.1.4.1.2.1.1”
“1.2.840.10008.5.1.4.1.2.1.2”
“1.2.840.10008.5.1.4.1.2.1.3”
“1.2.840.10008.5.1.4.1.2.2.1”
“1.2.840.10008.5.1.4.1.2.2.2”
“1.2.840.10008.5.1.4.1.2.2.3”
“1.2.840.10008.5.1.4.1.2.3.1”
“1.2.840.10008.5.1.4.1.2.3.2”
“1.2.840.10008.5.1.4.1.2.3.3”
“1.2.840.10008.5.1.4.31”

Images8Bit
DICOM Images expected to contain only 8 bit pixel data. Default values are:
“1.2.840.10008.5.1.4.1.1.3”
“1.2.840.10008.5.1.4.1.1.3.1”
“1.2.840.10008.5.1.4.1.1.6”
“1.2.840.10008.5.1.4.1.1.6.1”
“1.2.840.10008.5.1.4.1.1.7”
“1.2.840.10008.5.1.4.1.1.77.1.1”
“1.2.840.10008.5.1.4.1.1.77.1.1.1”
“1.2.840.10008.5.1.4.1.1.77.1.2”
“1.2.840.10008.5.1.4.1.1.77.1.2.1”
“1.2.840.10008.5.1.4.1.1.77.1.3”
“1.2.840.10008.5.1.4.1.1.77.1.4”
“1.2.840.10008.5.1.4.1.1.77.1.4.1”
“1.2.840.10008.5.1.4.1.1.77.1.5.1”
“1.2.840.10008.5.1.4.1.1.7.1”
“1.2.840.10008.5.1.4.1.1.7.2”
“1.2.840.10008.5.1.4.1.1.7.4”

Images16Bit
DICOM Images expected to contain up to 16 bit pixel data. Default values are:
“1.2.840.10008.5.1.4.1.1.1”
“1.2.840.10008.5.1.4.1.1.1.1”
“1.2.840.10008.5.1.4.1.1.1.1.1”
“1.2.840.10008.5.1.4.1.1.1.2”
“1.2.840.10008.5.1.4.1.1.1.2.1”
“1.2.840.10008.5.1.4.1.1.1.3”
“1.2.840.10008.5.1.4.1.1.1.3.1”
“1.2.840.10008.5.1.4.1.1.2”
“1.2.840.10008.5.1.4.1.1.2.1”
“1.2.840.10008.5.1.4.1.1.4”
“1.2.840.10008.5.1.4.1.1.4.1”
“1.2.840.10008.5.1.4.1.1.4.2”
“1.2.840.10008.5.1.4.1.1.5”
“1.2.840.10008.5.1.4.1.1.12.1”
“1.2.840.10008.5.1.4.1.1.12.2”
“1.2.840.10008.5.1.4.1.1.12.3”
“1.2.840.10008.5.1.4.1.1.20”
“1.2.840.10008.5.1.4.1.1.77.1.5.2”
“1.2.840.10008.5.1.4.1.1.7.3”
“1.2.840.10008.5.1.4.1.1.128”

Images32Bit
DICOM Images expected to contain up to 32 bit pixel data. Default values are:
“1.2.840.10008.5.1.4.1.1.481.2”

NonImageObjects
Persistent DICOM objects without pixel data. Default values are:
“1.2.840.10008.1.3.10”
“1.2.840.10008.5.1.1.23”
“1.2.840.10008.5.1.1.24”
“1.2.840.10008.5.1.1.26”
“1.2.840.10008.5.1.1.27”
“1.2.840.10008.5.1.1.29”
“1.2.840.10008.5.1.1.30”
“1.2.840.10008.5.1.4.1.1.8”
“1.2.840.10008.5.1.4.1.1.9”
“1.2.840.10008.5.1.4.1.1.9.1.1”
“1.2.840.10008.5.1.4.1.1.9.1.2”
“1.2.840.10008.5.1.4.1.1.9.1.3”
“1.2.840.10008.5.1.4.1.1.9.2.1”
“1.2.840.10008.5.1.4.1.1.9.3.1”
“1.2.840.10008.5.1.4.1.1.9.4.1”
“1.2.840.10008.5.1.4.1.1.10”
“1.2.840.10008.5.1.4.1.1.11”
“1.2.840.10008.5.1.4.1.1.11.1”
“1.2.840.10008.5.1.4.1.1.66”
“1.2.840.10008.5.1.4.1.1.66.1”
“1.2.840.10008.5.1.4.1.1.66.2”
“1.2.840.10008.5.1.4.1.1.77.1.5.3”
“1.2.840.10008.5.1.4.1.1.88.11”
“1.2.840.10008.5.1.4.1.1.88.22”
“1.2.840.10008.5.1.4.1.1.88.33”
“1.2.840.10008.5.1.4.1.1.88.40”
“1.2.840.10008.5.1.4.1.1.88.50”
“1.2.840.10008.5.1.4.1.1.88.59”
“1.2.840.10008.5.1.4.1.1.88.65”
“1.2.840.10008.5.1.4.1.1.104.1”
“1.2.840.10008.5.1.4.1.1.129”
“1.2.840.10008.5.1.4.1.1.481.1”
“1.2.840.10008.5.1.4.1.1.481.3”
“1.2.840.10008.5.1.4.1.1.481.4”
“1.2.840.10008.5.1.4.1.1.481.5”
“1.2.840.10008.5.1.4.1.1.481.6”
“1.2.840.10008.5.1.4.1.1.481.7”

User1, User2 & User3
Spares for unusual user-defined groupings


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