annotate OrthancServer/Resources/Samples/Lua/WriteToDisk.lua @ 4615:b91ed9e7f43c db-changes

minor api improvements in OrthancCDatabasePlugin.h
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 14 Apr 2021 11:20:05 +0200
parents d25f4c0fa160
children
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1 TARGET = '/tmp/lua'
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2
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3 function ToAscii(s)
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4 -- http://www.lua.org/manual/5.1/manual.html#pdf-string.gsub
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5 -- https://groups.google.com/d/msg/orthanc-users/qMLgkEmwwPI/6jRpCrlgBwAJ
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6 return s:gsub('[^a-zA-Z0-9-/-: ]', '_')
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7 end
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9 function OnStableSeries(seriesId, tags, metadata)
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10 print('This series is now stable, writing its instances on the disk: ' .. seriesId)
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12 local instances = ParseJson(RestApiGet('/series/' .. seriesId)) ['Instances']
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13 local patient = ParseJson(RestApiGet('/series/' .. seriesId .. '/patient')) ['MainDicomTags']
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14 local study = ParseJson(RestApiGet('/series/' .. seriesId .. '/study')) ['MainDicomTags']
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15 local series = ParseJson(RestApiGet('/series/' .. seriesId)) ['MainDicomTags']
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17 for i, instance in pairs(instances) do
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18 local path = ToAscii(TARGET .. '/' ..
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19 patient['PatientID'] .. ' - ' .. patient['PatientName'] .. '/' ..
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20 study['StudyDate'] .. ' - ' .. study['StudyDescription'] .. '/' ..
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21 series['SeriesDescription'])
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23 -- Retrieve the DICOM file from Orthanc
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24 local dicom = RestApiGet('/instances/' .. instance .. '/file')
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26 -- Create the subdirectory (CAUTION: For Linux demo only, this is insecure!)
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27 -- http://stackoverflow.com/a/16029744/881731
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28 os.execute('mkdir -p "' .. path .. '"')
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30 -- Write to the file
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31 local target = assert(io.open(path .. '/' .. instance .. '.dcm', 'wb'))
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32 target:write(dicom)
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33 target:close()
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34 end
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35 end