Finish forward modeling in integral

Start test function.

simpegPF/Dev/MAG3D_fwr_Driver.py

@@ -1,6 +1,6 @@
 import os
 
-home_dir = 'C:\Users\dominiquef.MIRAGEOSCIENCE\Documents\GIT\Research\SimPeg'
+home_dir = 'C:\Users\dominiquef.MIRAGEOSCIENCE\Documents\GIT\SimPEG\simpegpf\simpegPF\Dev'
 
 inpfile = 'MAG3Cfwr.inp'
 
@@ -28,9 +28,10 @@ model = Utils.meshutils.readUBCTensorModel(modfile,mesh)
 [B,M,dobs] = BaseMag.readUBCmagObs(obsfile)
 
 rxLoc = dobs[:,0:3]
+ndata = rxLoc.shape[0]
 
 # Compute forward model using integral equation
-d = fwr_MAG_obs(xn,yn,zn,B,M,rxLoc,model)
+d = fwr_MAG_obs(mesh,B,M,rxLoc,model)
 
 # Form data object with coordinates and write to file
 data = np.c_[rxLoc , d , np.zeros((ndata,1))]

simpegPF/Dev/MAG3D_fwr_Test.py

@@ -1,6 +1,6 @@
 import os
 
-home_dir = 'C:\Users\dominiquef.MIRAGEOSCIENCE\Documents\GIT\Research\SimPeg'
+home_dir = 'C:\Users\dominiquef.MIRAGEOSCIENCE\Documents\GIT\SimPEG\simpegpf\simpegPF\Dev'
 
 os.chdir(home_dir)
 
@@ -15,12 +15,10 @@ from fwr_MAG_obs import fwr_MAG_obs
 
 #%% Create survey
 
-B[0] = 90.
-B[1] = 00.
-B[2] = 50000.
+B = np.array(([90.,0.,50000.]))
   
-M[0] = 90.
-M[1] = 0.  
+M = np.array(([90.,0.]))
+ 
        
 # # Or create juste a plane grid
 xr = np.linspace(-1./2., 1./2., 10)
@@ -55,13 +53,13 @@ model = np.ones(mcell)*chibkg
 model[sph_ind] = chiblk
 
 #%% Forward mode ldata
-d = fwr_MAG_obs(xn,yn,zn,B,M,rxLoc,model)
+d = fwr_MAG_obs(mesh,B,M,rxLoc,model)
 
 #%% Get the analystical answer and compute the residual
 bxa,bya,bza = PF.MagAnalytics.MagSphereAnaFunA(rxLoc[:,0],rxLoc[:,1],rxLoc[:,2],.25,0.,0.,0.,chiblk, np.array(([0.,0.,B[2]])),'secondary')
 
 r_Bz = mkvc(d) - bza
-lrl = sum( dBz**2 ) **0.5
+lrl = sum( r_Bz**2 ) **0.5
 
 print "Residual between analytical and integral= " + str(lrl)
 #%% Plot fields
@@ -95,6 +93,6 @@ plt.scatter(X,Y, c='k', s=5)
 #%% Compare fields
 
 plt.subplot(122)
-plt.imshow(np.reshape(dBz,X.shape), interpolation="bicubic", extent=[xr.min(), xr.max(), yr.min(), yr.max()])
+plt.imshow(np.reshape(r_Bz,X.shape), interpolation="bicubic", extent=[xr.min(), xr.max(), yr.min(), yr.max()])
 plt.contour(X,Y, np.reshape(dBz,X.shape),10)
 plt.scatter(X,Y, c='k', s=5)

simpegPF/Dev/fwr_MAG_obs.py

@@ -1,4 +1,4 @@
-def fwr_MAG_obs(xn,yn,zn,B,M,rxLoc,model):
+def fwr_MAG_obs(mesh,B,M,rxLoc,model):
     """ 
     Forward model magnetic data using integral equation
     
@@ -21,6 +21,11 @@ def fwr_MAG_obs(xn,yn,zn,B,M,rxLoc,model):
     from SimPEG import np, Utils, sp, mkvc
     from get_T_mat import get_T_mat
     
+    
+    xn = mesh.vectorNx;
+    yn = mesh.vectorNy;
+    zn = mesh.vectorNz;
+    
     mcell = (len(xn)-1) * (len(yn)-1) * (len(zn)-1)
       
     ndata = rxLoc.shape[0]    

simpegPF/Magnetics.py

@@ -3,6 +3,10 @@ import BaseMag
 from scipy.constants import mu_0
 from MagAnalytics import spheremodel, CongruousMagBC
 
+class MagneticIntegral(Problem.BaseProblem):
+    """
+         approach using IE
+    """
 
 
 class MagneticsDiffSecondary(Problem.BaseProblem):