minor fixes.

SimPEG/EM/Analytics/DC.py

@@ -1,5 +1,6 @@
 import numpy as np
 from scipy.constants import mu_0, pi
+from scipy import special
 
 def DCAnalyticHalf(txloc, rxlocs, sigma, flag="wholespace"):
     """
@@ -36,7 +37,7 @@ deg2rad  = lambda deg: deg/180.*np.pi
 rad2deg  = lambda rad: rad*180./np.pi
 
 def DCAnalyticSphere(txloc, rxloc, xc, radius, sigma, sigma1, \
-                 flag = "sec", order=12):
+                 flag = "sec", order=12, halfspace=False):
 # def DCSpherePointCurrent(txloc, rxloc, xc, radius, rho, rho1, \
 #                  flag = "sec", order=12):
     """
@@ -99,10 +100,15 @@ def DCAnalyticSphere(txloc, rxloc, xc, radius, sigma, sigma1, \
 
     out[~sphind] += prim[~sphind]
 
+    if halfspace:
+        scale = 2
+    else:
+        scale = 1
+
     if flag == "sec":
-        return out-prim
+        return scale*(out-prim)
     elif flag == "total":
-        return out
+        return scale*out
 
 def AnBnfun(n, radius, x0, rho, rho1, I=1.):
     const = I*rho/(4*np.pi)

SimPEG/EM/Static/DC/SrcDC.py

@@ -5,7 +5,7 @@ import numpy as np
 
 class BaseSrc(SimPEG.Survey.BaseSrc):
 
-    current = 1
+    current = 1.0
     loc = None
 
     def __init__(self, rxList, **kwargs):
@@ -33,7 +33,7 @@ class Dipole(BaseSrc):
         elif prob._formulation == 'EB':
             qa = prob.mesh.getInterpolationMat(self.loc[0], locType='N').todense()
             qb = -prob.mesh.getInterpolationMat(self.loc[1], locType='N').todense()
-            q = mkvc(qa+qb)
+            q = self.current * mkvc(qa+qb)
         return q
 
     # def bc_contribution

SimPEG/EM/Static/DC/__init__.py

@@ -3,4 +3,5 @@ from SurveyDC import Survey
 import SrcDC as Src #Pole
 import RxDC as Rx
 from FieldsDC import Fields_CC
+from BoundaryUtils import getxBCyBC_CC
 import Utils