.

rapids/migrations/0030_alter_rapidimage_image_annotations.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.6 on 2021-08-20 09:09
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rapids', '0029_rapidimage_image_annotations'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='rapidimage',
+            name='image_annotations',
+            field=models.TextField(blank=True, help_text='Stores a JSON representation of annotations to be applied by cornerstonetools', null=True),
+        ),
+    ]

rapids/models.py

@@ -388,7 +388,7 @@ class RapidImage(models.Model):
     image = models.FileField(upload_to=image_directory_path)
 
     image_annotations = models.TextField(
-        blank=True,
+        blank=True, null=True,
         help_text="Stores a JSON representation of annotations to be applied by cornerstonetools",
     )
 

rapids/templates/rapids/question_display_block.html

@@ -89,15 +89,16 @@
     <summary>
         Image viewer
     </summary>
-    <div id="single-dicom-viewer" class="dicom-viewer" data-images="{{ question.get_image_url_array }}" data-annotations='{{question.get_image_annotations}}'>
+    <div id="single-dicom-viewer" class="dicom-viewer" data-images="{{ question.get_image_url_array }}"
+        data-annotations='{{question.get_image_annotations}}'>
     </div>
     <button id="save-annotations">Save Annotations</button>
 </details>
 
-<div class="pre-whitespace multi-image-block"><b>Image annotations:</b>
+<div class=""><b>Image annotations:</b>
     {% for image in question.images.all %}
     <span class="image-block">
-        Image {{ forloop.counter }}: {{image.image_annotations}}
+        Image {{ forloop.counter }}: {{image.image_annotations}}<br />
     </span>
     {% endfor %}
 </div>

rapids/views.py

@@ -1160,10 +1160,13 @@ def question_save_annotation(request, pk):
 
         question_images = question.images.all()
 
-        for n, annotation in enumerate(image_annotations):
+        for n, image in enumerate(question_images):
+            annotation = image_annotations[n]
             if annotation != "undefined":
-                question_images[n].image_annotations = annotation
-                question_images[n].save()
+                image.image_annotations = annotation
+            else:
+                image.image_annotations = ""
+            image.save()
 
         data = {"status": "success"}
         return JsonResponse(data, status=200)