Replace IJmmlib.py correct bug MM2 multi-roi

ImageJ/utils/IJmmlib.py

@@ -14,9 +14,13 @@ def load_mm_images(rootdir, roi=1, tile=True, pos=False,
     files into an ImageJ VirtualStack
     """
     
+    if tile:
+        metadata = load_metadata(os.path.join(rootdir, 'roi%i_tile1'%int(roi), 'metadata.txt'))
+    else:
         metadata = load_metadata(rootdir)
+        
     mmversion = int(get_micromanager_version(metadata)[0])
-    dimensions = get_dimensions(metadata)
+    dimensions = get_dimensions(metadata, roi)
     if mmversion == 1:
         stack_order = ['position', 'z', 'time', 'channels']
     else: