--- a
+++ b/ants/registration/compose_displacement_fields.py
@@ -0,0 +1,33 @@
+
+__all__ = ['compose_displacement_fields']
+
+import ants
+from ants.internal import get_lib_fn
+
+
+def compose_displacement_fields(displacement_field, 
+                                warping_field):
+    """
+    Compose displacement fields.
+
+    Arguments
+    ---------
+    displacement_field : ANTsImage displacement field
+        displacement field
+
+    warping_field : ANTsImage displacement field
+        warping field
+
+
+    Example
+    -------
+    >>> import ants
+    """
+
+    libfn = get_lib_fn('composeDisplacementFieldsD%i' % displacement_field.dimension)
+    comp_field = libfn(displacement_field.pointer, warping_field.pointer)
+
+    new_image = ants.from_pointer(comp_field).clone('float')
+    return new_image
+
+