ohif-viewer/Packages/ohif-study-list/server/services/qido/instances.js
Erik Ziegler ab4d4c9008 Work on refactoring measurements out of Lesion Tracker package
- Removed AssociatedStudies Collection
- Measurement API is generated from configuration files
- Data exchange methods are defined in configuration
2016-11-15 08:21:46 +01:00

84 lines
3.1 KiB
JavaScript

/**
* Creates a QIDO URL given the server settings and a study instance UID
* @param server
* @param studyInstanceUid
* @returns {string} URL to be used for QIDO calls
*/
function buildUrl(server, studyInstanceUid) {
return server.qidoRoot + '/studies/' + studyInstanceUid + '/instances';
}
/**
* Parses data returned from a QIDO search and transforms it into
* an array of series that are present in the study
*
* @param server The DICOM server
* @param studyInstanceUid
* @param resultData
* @returns {Array} Series List
*/
function resultDataToStudyMetadata(server, studyInstanceUid, resultData) {
var seriesMap = {};
var seriesList = [];
resultData.forEach(function(instance) {
// Use seriesMap to cache series data
// If the series instance UID has already been used to
// process series data, continue using that series
var seriesInstanceUid = DICOMWeb.getString(instance['0020000E']);
var series = seriesMap[seriesInstanceUid];
// If no series data exists in the seriesMap cache variable,
// process any available series data
if (!series) {
series = {
seriesInstanceUid: seriesInstanceUid,
seriesNumber: DICOMWeb.getString(instance['00200011']),
instances: []
};
// Save this data in the seriesMap cache variable
seriesMap[seriesInstanceUid] = series;
seriesList.push(series);
}
// The uri for the dicomweb
// NOTE: DCM4CHEE seems to return the data zipped
// NOTE: Orthanc returns the data with multi-part mime which cornerstoneWADOImageLoader doesn't
// know how to parse yet
//var uri = DICOMWeb.getString(instance['00081190']);
//uri = uri.replace('wado-rs', 'dicom-web');
// manually create a WADO-URI from the UIDs
// NOTE: Haven't been able to get Orthanc's WADO-URI to work yet - maybe its not configured?
var sopInstanceUid = DICOMWeb.getString(instance['00080018']);
var uri = server.wadoUriRoot + '?requestType=WADO&studyUID=' + studyInstanceUid + '&seriesUID=' + seriesInstanceUid + '&objectUID=' + sopInstanceUid + '&contentType=application%2Fdicom';
// Add this instance to the current series
series.instances.push({
sopClassUid: DICOMWeb.getString(instance['00080016']),
sopInstanceUid: sopInstanceUid,
uri: uri,
instanceNumber: DICOMWeb.getString(instance['00200013'])
});
});
return seriesList;
}
/**
* Retrieve a set of instances using a QIDO call
* @param server
* @param studyInstanceUid
* @returns {{wadoUriRoot: String, studyInstanceUid: String, seriesList: Array}}
*/
Services.QIDO.Instances = function(server, studyInstanceUid) {
var url = buildUrl(server, studyInstanceUid);
var result = DICOMWeb.getJSON(url, server.requestOptions);
return {
wadoUriRoot: server.wadoUriRoot,
studyInstanceUid: studyInstanceUid,
seriesList: resultDataToStudyMetadata(server, studyInstanceUid, result.data)
};
};