.

helpers/images.py

@@ -6,6 +6,8 @@ from io import BytesIO
 from PIL import Image, ImageFile
 
 import pydicom
+import sys
+import glob
 
 try:
     from .pydicom_PIL import get_PIL_image
@@ -71,4 +73,41 @@ def pil_dicom_image(source, exif_orientation=True, **options):
 def show_PIL(dataset):
     """Display an image using the Python Imaging Library (PIL)"""
     im = get_PIL_image(dataset)
-    im.show()
+    im.show()
+
+
+
+
+def get_dicom_order(path):
+    # load the DICOM files
+    files = []
+
+    for fname in glob.glob(path, recursive=False):
+        print("loading: {}".format(fname))
+        files.append((fname, pydicom.dcmread(fname)))
+
+    print("file count: {}".format(len(files)))
+
+    # skip files with no SliceLocation (eg scout views)
+    slices = []
+    map = {}
+    skipcount = 0
+    for fname, f in files:
+        print(dir(f))
+        print(fname)
+        if hasattr(f, 'SliceLocation'):
+            slices.append(f)
+            map[f.SliceLocation] = fname
+        else:
+            skipcount = skipcount + 1
+
+    print("skipped, no SliceLocation: {}".format(skipcount))
+
+    # ensure they are in the correct order
+    slices = sorted(slices, key=lambda s: s.SliceLocation)
+
+    #print(slices)
+    for i in slices:
+        print(map[i.SliceLocation])
+
+get_dicom_order("/home/ross/Downloads/DICOM HEAD/STD4/SER1/*.dcm")