BUG: Fix translate interface from Phantom and Feature to Geometry.

Author: carterbox

xdesign/feature.py

@@ -108,9 +108,9 @@ def volume(self):
         """Returns the volume of the Feature"""
         return self.geometry.volume
 
-    def translate(self, x, y):
+    def translate(self, vector):
         """Translates the geometry. Translating the property functions is not supported."""
-        self.geometry.translate(x, y)
+        self.geometry.translate(vector)
 
     def rotate(self, theta, point=None, axis=None):
         """Rotate the geometry around an axis that passes through the given point. Rotating property functions is not supported."""

xdesign/phantom.py

@@ -230,10 +230,10 @@ def sprinkle(self, counts, radius, gap=0, region=None, mass_atten=1,
         return n_added
 
     # GEOMETRIC TRANSFORMATIONS
-    def translate(self, dx, dy):
+    def translate(self, vector):
         """Translate phantom."""
         for m in range(self.population):
-            self.feature[m].translate(dx, dy)
+            self.feature[m].translate(vector)
 
     def rotate(self, theta, origin=Point([0.5, 0.5]), axis=None):
         """