Auto routing with OnStableStudy

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Jason McDonald

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Oct 16, 2019, 11:28:09 AM10/16/19
to Orthanc Users
Hello,
    I've been using Orthanc as an auto-router to cloud storage as well as a local back-up for 4 years now. I would like to be able to route the incoming studies in one block instead of instance-by-instance. I have been trying to convert my existing auto-route Lua using onStableStudy instead of onStoredInstance but have not been successful. Also, I use the origin parameter for parsing certain studies and see that it isn't listed as a parameter in the onStoredInstance documentation (at least that I can find).



here is my current auto-routing code, if it helps:

function OnStoredInstance(instanceId, tags, metadata, origin)

  -- Extract the value of the "PatientName" DICOM tag
   
  
   local patientName= string.lower(tags['PatientName'])


  --Do not send out exams received from MIM (192.168.6.41)  
   if origin['RemoteIp'] ~= '192.168.6.41' then
     print('onStoredInstance function has been called')
     SendToModality(instanceId, '03-MIMCLOUD')
     print(patientName..' image sent to Mim')
     SendToModality(instanceId, '08-RADIUS')
     print(patientName..' image sent to Radius')
     SendToModality(instanceId, '09-MIM-CD')
     print(patientName..' image sent to Front Desk Archive')
   end
  

  --Only route CT SCANS to MEDICVISION 
 if origin['RemoteIp'] == '192.168.6.10' then
   print('CT scan found')
      SendToModality(instanceId, '13-MEDICVISION')
   print('CT image sent to MEDICVISION')
 end
  
  Thanks for any help!
Jason McDonald 

 
   print('SendToModality has been executed')
end

Alain Mazy

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Oct 21, 2019, 3:01:24 AM10/21/19
to Jason McDonald, Orthanc Users
Hi,

I think there's no origin at the study level because multiple instances from the same study could originate from multiple sources (i.e a few series from the modality and a few series from the radiology workstation).

I would advise you to define a new metadata "my-origin".
In the OnStoredInstance, get the origin of the instance and attach it as the "my-origin" of the study.
In the OnStableStudy, read the "my-origin" metadata from the study to perform your auto-routing.

Best,

Alain

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Emil Pacurar

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Apr 23, 2020, 8:26:16 PM4/23/20
to Orthanc Users
I was about to ask how to get the origin from OnStableStudy. I think this is the way to do it. Do you have a sample code doing this?
Also when you say "In the OnStoredInstance, get the origin of the instance and attach it as the "my-origin" of the study." this will insert the origin in the study for each dicom received. I think will be wise, if you know the whole study is received from one modality, to do this operation one time, at first dicom received from the study.
I need to know the origin of a study as I will do some processing on the study data then I need to know where to send back the results. 
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