Merge branch 'master' of https://github.com/simpeg/simpeg into cylClean

SimPEG/Survey.py

@@ -47,6 +47,13 @@ class BaseSurvey(object):
         self.prob._survey = None
         self._prob = None
 
+    @property
+    def nD(self):
+        """Number of data."""
+        if hasattr(self, 'dobs'):
+            return self.dobs.size
+        raise NotImplemented('Number of data is unknown.')
+
     @property
     def ispaired(self): return self.prob is not None
 

docs/api_Forward.rst

@@ -10,10 +10,10 @@ Model
     :undoc-members:
     :inherited-members:
 
-Data
-====
+Survey
+======
 
-.. automodule:: SimPEG.Data
+.. automodule:: SimPEG.Survey
     :show-inheritance:
     :members:
     :undoc-members: