OHIF-25: Multi-frame images should be loaded one frame at a time

Packages/ohif-viewerbase/client/lib/getImageId.js

@@ -25,6 +25,6 @@ export function getImageId(instance, frame) {
         return imageId;
     } else {
         // TODO= Check multiframe image support with WADO-RS
-        return getWADORSImageId(instance); // WADO-RS Retrieve Frame
+        return getWADORSImageId(instance, frame); // WADO-RS Retrieve Frame
     }
 }

Packages/ohif-viewerbase/client/lib/getWADORSImageId.js

@@ -42,14 +42,26 @@ class ImageMetadataBuilder {
     }
 }
 
+formatWADOREImageUrl = function(wadorsuri, frame) {
+    // We need to sum 1 because WADO-RS frame number is 1-based
+    frame = (frame || 0) + 1;
+
+    // Replaces /frame/1 by /frame/{frame}
+    // TODO: Maybe should be better to export the WADOProxy to be able to use it on client
+    //       Example: WADOProxy.convertURL(baseWadoRsUri + '/frame/' + frame)
+    wadorsuri = wadorsuri.replace(/(%2Fframes%2F)(\d+)/, `$1${frame}`);
+
+    return Meteor.absoluteUrl(wadorsuri);
+}
+
 /**
  * Obtain an imageId for Cornerstone based on the WADO-RS scheme
  *
  * @param {object} instanceMetada metadata object (InstanceMetadata)
  * @returns {string} The imageId to be used by Cornerstone
  */
-export function getWADORSImageId(instance) {
-    const uri = Meteor.absoluteUrl(instance.wadorsuri);
+export function getWADORSImageId(instance, frame) {
+    const uri = formatWADOREImageUrl(instance.wadorsuri, frame);
     const imageId = `wadors:${uri}`;
 
     const imageMetadata = new ImageMetadataBuilder()