133 lines
6.0 KiB
JavaScript
Executable File
133 lines
6.0 KiB
JavaScript
Executable File
/**
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* Parses the SourceImageSequence, if it exists, in order
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* to return a ReferenceSOPInstanceUID. The ReferenceSOPInstanceUID
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* is used to refer to this image in any accompanying DICOM-SR documents.
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*
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* @param instance
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* @returns {String} The ReferenceSOPInstanceUID
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*/
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function getSourceImageInstanceUid(instance) {
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// TODO= Parse the whole Source Image Sequence
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// This is a really poor workaround for now.
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// Later we should probably parse the whole sequence.
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var SourceImageSequence = remoteGetValue(instance['0008,2112']);
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if (SourceImageSequence && SourceImageSequence.Value && SourceImageSequence.Value.length) {
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return SourceImageSequence.Value[0]['0008,1155'].Value[0];
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}
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}
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/**
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* Parses result data from a WADO search into Study MetaData
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* Returns an object populated with study metadata, including the
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* series list.
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*
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* @param server
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* @param studyInstanceUid
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* @param resultData
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* @returns {{seriesList: Array, patientName: *, patientId: *, accessionNumber: *, studyDate: *, modalities: *, studyDescription: *, imageCount: *, studyInstanceUid: *}}
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*/
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function resultDataToStudyMetadata(server, studyInstanceUid, resultData) {
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var seriesMap = {};
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var seriesList = [];
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if (!resultData.length) {
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return;
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}
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var anInstance = resultData[0];
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if (!anInstance) {
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return;
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}
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var studyData = {
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seriesList: seriesList,
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patientName: remoteGetValue(anInstance['0010,0010']),
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patientId: remoteGetValue(anInstance['0010,0020']),
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accessionNumber: remoteGetValue(anInstance['0008,0050']),
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studyDate: remoteGetValue(anInstance['0008,0020']),
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modalities: remoteGetValue(anInstance['0008,0061']),
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studyDescription: remoteGetValue(anInstance['0008,1030']),
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imageCount: remoteGetValue(anInstance['0020,1208']),
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studyInstanceUid: remoteGetValue(anInstance['0020,000d'])
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};
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resultData.forEach(function(instance) {
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var seriesInstanceUid = remoteGetValue(instance['0020,000e']);
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var series = seriesMap[seriesInstanceUid];
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if (!series) {
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series = {
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seriesDescription: remoteGetValue(instance['0008,103e']),
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modality: remoteGetValue(instance['0008,0060']),
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seriesInstanceUid: seriesInstanceUid,
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seriesNumber: parseFloat(remoteGetValue(instance['0020,0011'])),
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instances: []
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};
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seriesMap[seriesInstanceUid] = series;
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seriesList.push(series);
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}
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var sopInstanceUid = remoteGetValue(instance['0008,0018']);
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var instanceSummary = {
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imageType: remoteGetValue(instance['0008,0008']),
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sopClassUid: remoteGetValue(instance['0008,0016']),
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sopInstanceUid: sopInstanceUid,
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instanceNumber: parseFloat(remoteGetValue(instance['0020,0013'])),
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imagePositionPatient: remoteGetValue(instance['0020,0032']),
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imageOrientationPatient: remoteGetValue(instance['0020,0037']),
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frameOfReferenceUID: remoteGetValue(instance['0020,0052']),
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sliceLocation: parseFloat(remoteGetValue(instance['0020,1041'])),
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samplesPerPixel: parseFloat(remoteGetValue(instance['0028,0002'])),
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photometricInterpretation: remoteGetValue(instance['0028,0004']),
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rows: parseFloat(remoteGetValue(instance['0028,0010'])),
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columns: parseFloat(remoteGetValue(instance['0028,0011'])),
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pixelSpacing: remoteGetValue(instance['0028,0030']),
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bitsAllocated: parseFloat(remoteGetValue(instance['0028,0100'])),
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bitsStored: parseFloat(remoteGetValue(instance['0028,0101'])),
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highBit: parseFloat(remoteGetValue(instance['0028,0102'])),
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pixelRepresentation: parseFloat(remoteGetValue(instance['0028,0103'])),
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windowCenter: remoteGetValue(instance['0028,1050']),
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windowWidth: remoteGetValue(instance['0028,1051']),
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rescaleIntercept: parseFloat(remoteGetValue(instance['0028,1052'])),
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rescaleSlope: parseFloat(remoteGetValue(instance['0028,1053'])),
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sourceImageInstanceUid: getSourceImageInstanceUid(instance),
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laterality: remoteGetValue(instance['0020,0062']),
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viewPosition: remoteGetValue(instance['0018,5101']),
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numFrames: parseFloat(remoteGetValue(instance['0028,0008'])),
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frameTime: parseFloat(remoteGetValue(instance['0018,1063']))
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};
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var iid = instance['xxxx,0001'].Value;
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if (server.imageRendering === 'wadouri') {
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instanceSummary.wadouri = server.wadoUriRoot + '?requestType=WADO&studyUID=' + studyInstanceUid + '&seriesUID=' + seriesInstanceUid + '&objectUID=' + sopInstanceUid + "&contentType=application%2Fdicom";
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} else if (server.imageRendering == 'orthanc') {
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instanceSummary.wadouri = server.root + '/instances/' + iid + '/file';
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} else {
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instanceSummary.wadorsuri = server.wadoRoot + '/studies/' + studyInstanceUid + '/series/' + seriesInstanceUid + '/instances/' + sopInstanceUid + '/frames/1';
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}
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series.instances.push(instanceSummary);
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});
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console.log(studyData.seriesList[0].instances);
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return studyData;
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}
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/**
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* Retrieved Study MetaData from a DICOM server using a WADO call
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* @param server
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* @param studyInstanceUid
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* @returns {{seriesList: Array, patientName: *, patientId: *, accessionNumber: *, studyDate: *, modalities: *, studyDescription: *, imageCount: *, studyInstanceUid: *}}
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*/
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Services.REMOTE.RetrieveMetadata = function(server, studyInstanceUid) {
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var remote = new OrthancRemote(server.root, server.sourceAE);
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var study = resultDataToStudyMetadata(server, studyInstanceUid, remote.retrieveMetadata(server.modality, studyInstanceUid));
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if (!study) {
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study = {};
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}
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study.wadoUriRoot = server.wadoUriRoot;
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study.studyInstanceUid = studyInstanceUid;
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return study;
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}; |