Add reference sop instance to annotation group class (#192)

* Address issues rendering single image

* Add sop instance reference to annotation group

Author: igoroctaviano

src/annotation.js

@@ -25,6 +25,8 @@ class AnnotationGroup {
    * @param {string} options.studyInstanceUID - Study Instance UID of Annotation instances
    * @param {string} options.seriesInstanceUID - Series Instance UID of Annotation instances
    * @param {string[]} options.sopInstanceUIDs - SOP Instance UIDs of Annotation instances
+   * @param {string} options.referencedSeriesInstanceUID - Referenced Series Instance UID of Annotation instances
+   * @param {string} options.referencedSOPInstanceUID - Referenced SOP Instance UID of Annotation instances
    */
   constructor ({
     uid,
@@ -37,7 +39,8 @@ class AnnotationGroup {
     studyInstanceUID,
     seriesInstanceUID,
     sopInstanceUIDs,
-    referencedSeriesInstanceUID
+    referencedSeriesInstanceUID,
+    referencedSOPInstanceUID
   }) {
     this[_attrs] = {}
     if (uid == null) {
@@ -84,6 +87,7 @@ class AnnotationGroup {
     }
     this[_attrs].sopInstanceUIDs = sopInstanceUIDs
     this[_attrs].referencedSeriesInstanceUID = referencedSeriesInstanceUID
+    this[_attrs].referencedSOPInstanceUID = referencedSOPInstanceUID
     Object.freeze(this)
   }
 
@@ -180,6 +184,10 @@ class AnnotationGroup {
   get referencedSeriesInstanceUID () {
     return this[_attrs].referencedSeriesInstanceUID
   }
+
+  get referencedSOPInstanceUID () {
+    return this[_attrs].referencedSOPInstanceUID
+  }
 }
 
 /**

src/viewer.js

@@ -3711,7 +3711,8 @@ class VolumeImageViewer {
           studyInstanceUID: metadata.StudyInstanceUID,
           seriesInstanceUID: metadata.SeriesInstanceUID,
           sopInstanceUIDs: [metadata.SOPInstanceUID],
-          referencedSeriesInstanceUID: metadata.ReferencedSeriesSequence[0].SeriesInstanceUID
+          referencedSeriesInstanceUID: metadata.ReferencedSeriesSequence[0].SeriesInstanceUID,
+          referencedSOPInstanceUID: metadata.ReferencedImageSequence[0].ReferencedSOPInstanceUID
         }),
         style: { ...defaultAnnotationGroupStyle },
         defaultStyle: defaultAnnotationGroupStyle,