Finish script to extract 2D model from 3D mesh and write DCIP files

Compare SimPEG vs DCIP2D vs DCIP3D on Mt Isa synthetic model
Invert Mt Isa synthetic 2D line. Dipole-Dipole sucks... need another setup/

simpegDCIP/Dev/plot_pseudoSection.py

@@ -0,0 +1,50 @@
+def plot_pseudoSection(d2D,z0):
+    
+    from SimPEG import np
+    from scipy.interpolate import griddata
+    import pylab as plt
+    
+    """
+        Read list of 2D tx-rx location and plot a speudo-section
+        Only implemented for flat topo
+    
+        Input:
+        :param d2D, z0
+    
+        Output:
+        :figure scatter plot overlayed on image
+        
+        Created on Mon December 7th, 2015
+    
+        @author: dominiquef
+    
+    """
+    d2D = np.asarray(d2D)
+  
+    # Get distances between each poles
+    rC1P1 = d2D[:,0] - d2D[:,2] 
+    rC2P1 = d2D[:,0] - d2D[:,3]
+    rC1P2 = d2D[:,1] - d2D[:,2]
+    rC2P2 = d2D[:,1] - d2D[:,3]
+    
+    # Compute apparent resistivity
+    rho = d2D[:,4] * 2*np.pi / ( 1/rC1P1 - 1/rC2P1 - 1/rC1P2 + 1/rC2P2 )
+    
+    Cmid = (d2D[:,0] + d2D[:,1])/2
+    Pmid = (d2D[:,2] + d2D[:,3])/2
+    
+    midl = ( Cmid + Pmid )/2
+    midz = -np.abs(Cmid-Pmid) + z0
+    
+    # Grid points
+    grid_x, grid_z = np.mgrid[np.min(midl):np.max(midl), np.min(midz):np.max(midz)]
+    grid_rho = griddata(np.c_[midl,midz], np.log10(abs(1/rho.T)), (grid_x, grid_z), method='linear')
+    
+    
+    #plt.subplot(2,1,2)
+    plt.imshow(grid_rho.T, extent = (np.min(midl),np.max(midl),np.min(midz),np.max(midz)), origin='lower', alpha=0.8)
+    #plt.colorbar()
+    
+    # Plot apparent resistivity
+    plt.scatter(midl,midz,s=50,c=np.log10(abs(1/rho.T)))
+