order atlas tables by creation date by default

generic/models.py

@@ -488,13 +488,18 @@ class SeriesBase(models.Model):
             n = n + 1
 
     def order_by_dicom(self, field="SliceLocation"):
+        print(f"Ordering by dicom field {field}")
         images = self.images.filter(removed=False)
 
+
         files = []
 
         for i in images:
             files.append((i, pydicom.dcmread(i.image.path)))
 
+        print("images to order")
+        print(files)
+
         # print("file count: {}".format(len(files)))
 
         # skip files with no SliceLocation (eg scout views)
@@ -522,6 +527,7 @@ class SeriesBase(models.Model):
         for f in slices:
             i = map[f[field].value]
             i.position = n
+            print(f"Setting position {n} for {i}")
             i.save()
             n = n + 1