ohif-viewer/Packages/viewerbase/server/services/wado/retrieveMetadata.js

109 lines
4.5 KiB
JavaScript

function buildUrl(server, studyInstanceUid) {
var url = server.wadoRoot + '/studies/' + studyInstanceUid + '/metadata';
return url;
}
function getSourceImageInstanceUid(instance) {
// TODO= Parse the whole Source Image Sequence
// This is a really poor workaround for now.
// Later we should probably parse the whole sequence.
var SourceImageSequence = instance['00082112'];
if (SourceImageSequence && SourceImageSequence.Value && SourceImageSequence.Value.length) {
return SourceImageSequence.Value[0]['00081155'].Value[0];
}
}
function resultDataToStudyMetadata(server, studyInstanceUid, resultData) {
var seriesMap = {};
var seriesList = [];
if (!resultData.length) {
return;
}
var anInstance = resultData[0];
if (!anInstance) {
return;
}
var studyData = {
seriesList: seriesList,
patientName: DICOMWeb.getName(anInstance['00100010']),
patientId: DICOMWeb.getString(anInstance['00100020']),
accessionNumber: DICOMWeb.getString(anInstance['00080050']),
studyDate: DICOMWeb.getString(anInstance['00080020']),
modalities: DICOMWeb.getString(anInstance['00080061']),
studyDescription: DICOMWeb.getString(anInstance['00081030']),
imageCount: DICOMWeb.getString(anInstance['00201208']),
studyInstanceUid: DICOMWeb.getString(anInstance['0020000D']),
};
resultData.forEach(function(instance) {
var seriesInstanceUid = DICOMWeb.getString(instance['0020000E']);
var series = seriesMap[seriesInstanceUid];
if (!series) {
series = {
seriesDescription: DICOMWeb.getString(instance['0008103E']),
modality: DICOMWeb.getString(instance['00080060']),
seriesInstanceUid: seriesInstanceUid,
seriesNumber: DICOMWeb.getNumber(instance['00200011']),
instances: []
};
seriesMap[seriesInstanceUid] = series;
seriesList.push(series);
}
var sopInstanceUid = DICOMWeb.getString(instance['00080018']);
var instanceSummary = {
imageType: DICOMWeb.getString(instance['00080008']),
sopClassUid: DICOMWeb.getString(instance['00080016']),
sopInstanceUid: sopInstanceUid,
instanceNumber: DICOMWeb.getNumber(instance['00200013']),
imagePositionPatient: DICOMWeb.getString(instance['00200032']),
imageOrientationPatient: DICOMWeb.getString(instance['00200037']),
frameOfReferenceUID: DICOMWeb.getString(instance['00200052']),
sliceLocation: DICOMWeb.getNumber(instance['00201041']),
samplesPerPixel: DICOMWeb.getNumber(instance['00280002']),
photometricInterpretation: DICOMWeb.getString(instance['00280004']),
rows: DICOMWeb.getNumber(instance['00280010']),
columns: DICOMWeb.getNumber(instance['00280011']),
pixelSpacing: DICOMWeb.getString(instance['00280030']),
bitsAllocated: DICOMWeb.getNumber(instance['00280100']),
bitsStored: DICOMWeb.getNumber(instance['00280101']),
highBit: DICOMWeb.getNumber(instance['00280102']),
pixelRepresentation: DICOMWeb.getNumber(instance['00280103']),
windowCenter: DICOMWeb.getString(instance['00281050']),
windowWidth: DICOMWeb.getString(instance['00281051']),
rescaleIntercept: DICOMWeb.getNumber(instance['00281052']),
rescaleSlope: DICOMWeb.getNumber(instance['00281053']),
sourceImageInstanceUid: getSourceImageInstanceUid(instance)
};
if (server.imageRendering === 'wadouri') {
instanceSummary.wadouri = server.wadoUriRoot + '?requestType=WADO&studyUID=' + studyInstanceUid + '&seriesUID=' + seriesInstanceUid + '&objectUID=' + sopInstanceUid + "&contentType=application%2Fdicom";
} else {
instanceSummary.wadorsuri = server.wadoRoot + '/studies/' + studyInstanceUid + '/series/' + seriesInstanceUid + '/instances/' + sopInstanceUid + '/frames/1';
}
series.instances.push(instanceSummary);
});
return studyData;
}
Services.WADO.RetrieveMetadata = function(server, studyInstanceUid) {
var url = buildUrl(server, studyInstanceUid);
var result = DICOMWeb.getJSON(url, server.requestOptions);
var study = resultDataToStudyMetadata(server, studyInstanceUid, result.data);
if (!study) {
study = {};
}
study.wadoUriRoot = server.wadoUriRoot;
study.studyInstanceUid = studyInstanceUid;
return study;
};