Refactor FFD class, fix affine transformation

Author: ndem0

pygem/__init__.py

@@ -20,15 +20,16 @@ def get_current_year():
 __maintainer__ = __author__
 __status__ = "Stable"
 
-from .affine import *
-from .freeform import FFD
-from .radial import RBF
-from .idw import IDW
-from .filehandler import FileHandler
-from .openfhandler import OpenFoamHandler
-from .stlhandler import StlHandler
-from .unvhandler import UnvHandler
-from .vtkhandler import VtkHandler
-from .khandler import KHandler
-from .mdpahandler import MdpaHandler
-from .params import *
+#from .affine import *
+from .deformation import Deformation
+from .ffd import FFD
+#from .radial import RBF
+#from .idw import IDW
+#from .filehandler import FileHandler
+#from .openfhandler import OpenFoamHandler
+#from .stlhandler import StlHandler
+#from .unvhandler import UnvHandler
+#from .vtkhandler import VtkHandler
+#from .khandler import KHandler
+#from .mdpahandler import MdpaHandler
+#from .params import *

pygem/deformation.py

@@ -0,0 +1,11 @@
+from abc import ABC, abstractmethod
+ 
+class Deformation(ABC):
+ 
+    @abstractmethod
+    def __init__(self, value):
+        pass
+    
+    @abstractmethod
+    def __call__(self, src):
+        pass