orthanc proxy

Packages/viewerbase/server/services/remote/instances.js

@@ -0,0 +1,82 @@
+/**
+ * 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 = remoteGetValue(instance['0020,000e']);
+        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 : parseFloat(remoteGetValue(instance['0020,0011'])),
+                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 = remoteGetValue(instance['0008,0018']);
+        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: remoteGetValue(instance['0008,0016']),
+            sopInstanceUid: sopInstanceUid,
+            uri: uri,
+            instanceNumber: parseFloat(remoteGetValue(instance['0020,0013']))
+        });
+  });
+  return seriesList;
+}
+
+/**
+ * Retrieve a set of instances using a QIDO call
+ * @param server
+ * @param studyInstanceUid
+ * @returns {{wadoUriRoot: String, studyInstanceUid: String, seriesList: Array}}
+ */
+Services.REMOTE.Instances = function(server, studyInstanceUid) {
+    var parameters = {
+        PatientName: "",
+        PatientID: "",
+        AccessionNumber: "",
+        SeriesInstanceUID: "",
+        SeriesNumber : "",
+        SOPClassUID : "",
+        InstanceNumber : ""
+    };
+
+    var remote = new OrthancRemote(server.root, server.sourceAE);
+
+    return {
+        wadoUriRoot: server.wadoUriRoot,
+        studyInstanceUid: studyInstanceUid,
+        seriesList: resultDataToStudyMetadata(server, studyInstanceUid, remote.findInstances(server.modality, studyInstanceUid, null, parameters))
+    };
+};