Put changes back in which seogi reversed. Changed dependent property.

SimPEG/Maps.py

@@ -368,10 +368,47 @@ class ComboMap(IdentityMap):
             mi = map_i.transform(mi)
         return deriv
 
+class ComplexMap(IdentityMap):
+    """docstring for ComplexMap
+
+        default nP is nC in the mesh times 2 [real, imag]
+
+    """
+    def __init__(self, mesh, nP=None):
+        IdentityMap.__init__(self, mesh)
+        if nP is not None:
+            assert nP%2 == 0, 'nP must be even.'
+        self._nP = nP or (self.mesh.nC * 2)
+
+    @property
+    def nP(self):
+        return self._nP
+
+    def transform(self, m):
+        nC = self.mesh.nC
+        return m[:nC] + m[nC:]*1j
+
+    def transformDeriv(self, m):
+        nC = self.nP/2
+        shp = (nC, nC*2)
+        def fwd(v):
+            return v[:nC] + v[nC:]*1j
+        def adj(v):
+            return np.r_[v.real,v.imag]
+        return Utils.SimPEGLinearOperator(shp,fwd,adj)
+
+    transformInverse = transformDeriv
+
+
 if __name__ == '__main__':
     from SimPEG import *
+    # mesh = Mesh.TensorMesh([10,8])
+    # combo = ComboMap(mesh, [ExpMap, Vertical1DMap])
+    # m = combo.example()
+    # print m.shape
+    # print combo.test(np.arange(8))
     mesh = Mesh.TensorMesh([10,8])
-    combo = ComboMap(mesh, [ExpMap, Vertical1DMap])
-    m = combo.example()
+    mapping = ComplexMap(mesh)
+    m = mapping.example()
     print m.shape
-    print combo.test(np.arange(8))
+    print mapping.test(m)