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Get(DicomScp,DicomDataSet,List<PresentationContext>) Method

Summary

Sends a C-GET-REQ message to a peer member of a connection defined by Scp.

Syntax
C#
C++/CLI

Parameters

scp

The peer connection to send the C-GET-REQ to.

request

The DicomDataSet data sets which describes the C-GET-REQ information to retrieve.

additionalPresentationContexts

A list of presentation contexts to add to the Leadtools.Dicom.DicomAssociate.

Remarks

The parameter  request should contain the QueryRetrieveLevel (0008,0052), which should be one of "STUDY", "SERIES", or "IMAGE".

If QueryRetrieveLevel is:

  • "STUDY", then  request should contain a valid StudyInstanceUID (0020,000D).
  • "SERIES", then  request should also contain a valid SeriesInstanceUID (0020,000E).
  • "IMAGE", then  request should also contain a valid SOPInstanceUID (0008,0018).
Example

This example does an image-level C-GET to retrieve an instance from a DICOM Server that supports C-GET specifically.

It retrieves one of the SMITH^TERRY instances that are in the LXX_SERVER32 database of the Leadtools.Dicom.Server.exe. Replace XX with the version of the toolkit (i.e. for version 21, this would be L21_SERVER32).

This overload takes a DicomDataSet that contains QueryRetrieveLevel, as well as the UIDs associated with the level.

Note that for this overload of Get, you must specifically add the SOP Class UID of the instance that you are retrieving to the Association.

C#
using Leadtools; 
using Leadtools.Dicom.Scu; 
using Leadtools.Dicom.Scu.Common; 
using Leadtools.Dicom; 
using Leadtools.Dicom.Common.DataTypes; 
using Leadtools.Dicom.Common.DataTypes.Status; 
 
 
public void QueryRetrieveScu_Get1() 
{ 
   DicomEngine.Startup(); 
   DicomNet.Startup(); 
 
   // 
   // Change these parameters to reflect the calling AETitle. 
   // 
   QueryRetrieveScu getScu = new QueryRetrieveScu(); 
   getScu.AETitle = "LEAD_CLIENT"; 
   getScu.HostPort = 1000; 
   getScu.HostAddress = Dns.GetHostEntry(Dns.GetHostName()).AddressList.FirstOrDefault(ip => ip.AddressFamily == AddressFamily.InterNetwork); 
 
 
   // 
   // Change these parameters to reflect the called AETitle (server). 
   // 
   DicomScp scp = new DicomScp(); 
   scp.AETitle = "LEAD_GET_SCP"; 
   scp.Port = 404; 
   scp.Timeout = 60; 
   scp.PeerAddress = IPAddress.Parse("192.168.0.168"); 
 
   getScu.BeforeCGet += new BeforeCGetDelegate(getStudy_BeforeCGet); 
   getScu.AfterCGet += new AfterCGetDelegate(getStudy_AfterCGet); 
   getScu.ReceivedStoreRequest += new ReceivedStoreRequestDelegate(getStudy_ReceivedStoreRequest); 
 
   // The C-GET must know the Media Storage SOP Class UID of the DICOM Datasets that you want to retrieve 
   // In this example, the five SMITH^TERRY instances are retrieved 
   //    SOP Class UID of the instances is: 
   //       MR Image Storage 
   //       1.2.840.10008.5.1.4.1.1.4 
   //    StudyInstanceUid of the study is: 
   //       1.3.12.2.1107.5.2.31.30563.30000008120313112035900000034 
   //    SeriesInstanceUid of the series is: 
   //       1.3.12.2.1107.5.2.31.30563.2008120317404292381631917.0.0.0 
   //    SOPInstanceUid of one of the five instances is: 
   //       1.3.12.2.1107.5.2.31.30563.2008120317404382714631941 
 
   string studyInstanceUid = "1.3.12.2.1107.5.2.31.30563.30000008120313112035900000034"; 
   string seriesInstanceUid = "1.3.12.2.1107.5.2.31.30563.2008120317404292381631917.0.0.0"; 
   string sopInstanceUid = "1.3.12.2.1107.5.2.31.30563.2008120317404382714631941"; 
 
   PresentationContext pc = new PresentationContext(DicomUidType.MRImageStorage); 
   pc.TransferSyntaxes.Add(DicomUidType.ImplicitVRLittleEndian); 
 
   // Alternatively, you can create the presentation context if you have a compatible DicomDataSet 
   // This is illustrated, but 'pc' will be used 
   PresentationContext pcAnotherWay; 
   string compatibleDicomName = @"D:\erase\dicom\compatible.dcm"; 
   if (File.Exists(compatibleDicomName)) 
   { 
      DicomDataSet dsCompatible = new DicomDataSet(); 
      dsCompatible.Load(compatibleDicomName, DicomDataSetLoadFlags.None); 
      pcAnotherWay = QueryRetrieveScu.GetCompatiblePresentationContext(dsCompatible); 
   } 
 
   List<PresentationContext> pcList = new List<PresentationContext>(); 
   pcList.Add(pc); 
 
   // There are four overloads for Get 
   // This examples illustrates how to use three of the overloads (study leve, series level, instance level) 
 
   // Uncomment whichever overload you want to use 
 
   // StudyLevel -- retrieves five instances 
   // getStudy.Get(scp, studyInstanceUid, pcList); 
 
   // SeriesLevel -- retrieves three instances 
   // getStudy.Get(scp, studyInstanceUid, seriesInstanceUid, pcList); 
 
   // InstanceLevel -- retrieves one instance 
   getScu.Get(scp, studyInstanceUid, seriesInstanceUid, sopInstanceUid, pcList); 
 
   DicomNet.Shutdown(); 
   DicomEngine.Shutdown(); 
} 
 
void getStudy_BeforeCGet(object sender, BeforeCGetEventArgs e) 
{ 
   Console.WriteLine("Before CGet"); 
} 
 
void getStudy_ReceivedStoreRequest(object sender, ReceivedStoreRequestEventArgs e) 
{ 
   Console.WriteLine("=========================================="); 
   Console.WriteLine("Patient Name:\t{0}", e.Patient.Name.Full); 
   Console.WriteLine("SOPInstanceUID:\t{0}", e.Instance.SOPInstanceUID); 
} 
 
void getStudy_AfterCGet(object sender, AfterCGetEventArgs e) 
{ 
   Console.WriteLine("After CGet"); 
   Console.WriteLine("\t{0} Completed", e.Completed); 
   Console.WriteLine("\t{0} Failed", e.Failed); 
   Console.WriteLine("\t{0} Warning", e.Warning); 
   Console.WriteLine("\tStatus: {0}", e.Status); 
 
   if (e.Status != DicomCommandStatusType.Success) 
   { 
      string statusAllString = e.StatusAll.ToString(StatusFormatFlags.IgnoreStatus, "\n", "\t"); 
      Console.WriteLine(statusAllString); 
   } 
} 
Requirements

Target Platforms

Help Version 23.0.2024.2.29
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Leadtools.Dicom.Scu Assembly
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.