Mercurial > hg > orthanc

annotate OrthancServer/Resources/Samples/Lua/ClassifyUsingAet.lua @ 4249:485f9be9ba92

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improvement
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 13 Oct 2020 15:41:25 +0200
parents 38b24aa98ed3
children cbf9afa17415
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rev   line source
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38b24aa98ed3 new lua sample: ClassifyUsingAet.lua
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1 -- Write the received DICOM instances to an external directory, and
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2 -- group the patients by the source AET that has sent the DICOM
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3 -- files. This sample is similar to "WriteToDisk.lua".
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6 TARGET = '/tmp/lua'
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9 function ToAscii(s)
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10 -- http://www.lua.org/manual/5.1/manual.html#pdf-string.gsub
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11 -- https://groups.google.com/d/msg/orthanc-users/qMLgkEmwwPI/6jRpCrlgBwAJ
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12 return s:gsub('[^a-zA-Z0-9-/-: ]', '_')
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13 end
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16 function GetFromTable(t, key, defaultValue)
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17 local result = t[key]
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18 if result == nil or result == '' then
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19 return defaultValue
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20 else
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21 return result
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22 end
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23 end
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26 function OnStoredInstance(instanceId, tags, metadata, origin)
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27 local dicom = RestApiGet('/instances/' .. instanceId .. '/file')
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28 local tags = ParseJson(RestApiGet('/instances/' .. instanceId .. '/tags?simplify'))
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29 local metadata = ParseJson(RestApiGet('/instances/' .. instanceId .. '/metadata?expand'))
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30
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31 local path = ToAscii(TARGET .. '/' ..
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32 GetFromTable(metadata, 'RemoteAET', 'None') .. '/'..
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33 GetFromTable(tags, 'StudyDate', '') .. '/' ..
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34 GetFromTable(tags, 'PatientID', '') .. ' - ' ..
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35 GetFromTable(tags, 'PatientName', '') .. ' - ' ..
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36 GetFromTable(tags, 'StudyDescription', '') .. '/' ..
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37 GetFromTable(tags, 'Modality', '') .. ' - ' ..
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38 GetFromTable(tags, 'SeriesDescription', ''))
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40 -- Create the subdirectory (CAUTION: For Linux demo only, this is insecure!)
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41 -- http://stackoverflow.com/a/16029744/881731
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42 os.execute('mkdir -p "' .. path .. '"')
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43
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44 -- Write to the file
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45 local target = assert(io.open(path .. '/' .. GetFromTable(tags, 'SOPInstanceUID', 'none') .. '.dcm', 'wb'))
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46 target:write(dicom)
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47 target:close()
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48
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49 -- Optional step: Remove the DICOM instance from Orthanc
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50 RestApiDelete('/instances/' .. instanceId)
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51 end