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https://github.com/wassname/simpeg.git
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D Fournier
80 lines
2.0 KiB
Python
80 lines
2.0 KiB
Python
import os
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#home_dir = 'C:\Users\dominiquef.MIRAGEOSCIENCE\Documents\GIT\SimPEG\simpegpf\simpegPF\Dev'
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home_dir = 'C:\\Users\\dominiquef.MIRAGEOSCIENCE\\ownCloud\\Research\\Modelling\\Synthetic\\Block_Gaussian_topo'
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inpfile = 'PYMAG3D_inv.inp'
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dsep = '\\'
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os.chdir(home_dir)
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#%%
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from SimPEG import np, Utils, mkvc
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import simpegPF as PF
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import pylab as plt
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## New scripts to be added to basecode
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#from fwr_MAG_data import fwr_MAG_data
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#from read_MAGfwr_inp import read_MAGfwr_inp
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#%%
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# Read input file
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[mshfile, obsfile, topofile, mstart, mref, magfile, wgtfile, chi, alphas, bounds, lpnorms] = PF.BaseMag.read_MAGinv_inp(home_dir + dsep + inpfile)
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# Load mesh file
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mesh = Utils.meshutils.readUBCTensorMesh(mshfile)
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# Load in observation file
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[B,M,dobs] = PF.BaseMag.readUBCmagObs(obsfile)
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rxLoc = dobs[:,0:3]
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d = dobs[:,3]
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wd = dobs[:,4]
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ndata = rxLoc.shape[0]
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# Load in topofile or create flat surface
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if topofile == 'null':
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Nx,Ny = np.meshgrid(mesh.vectorNx,mesh.vectorNy)
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Nz = np.ones(Nx.shape) * mesh.vectorNz[-1]
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topo = np.c_[mkvc(Nx),mkvc(Ny),mkvc(Nz)]
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else:
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topo = np.genfromtxt(topofile,skip_header=1)
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# Work with flat topogrphy for now
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actv = PF.Magnetics.getActiveTopo(mesh,topo,'N')
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nC = int(sum(actv))
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# Load model file
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if isinstance(mstart, float):
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mstart = np.ones(nC) * mstart
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else:
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mstart = Utils.meshutils.readUBCTensorModel(mstart,mesh)
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mstart = mstart[actv==1]
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# Get magnetization vector for MOF
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if magfile=='DEFAULT':
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M_xyz = PF.Magnetics.dipazm_2_xyz(np.ones(nC) * M[0], np.ones(nC) * M[1])
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else:
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M_xyz = np.genfromtxt(magfile,delimiter=' \n',dtype=np.str,comments='!')
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# Create forward operator
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F = PF.Magnetics.Intrgl_Fwr_Op(mesh,B,M_xyz,rxLoc,actv,'tmi')
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# Get distance weighting function
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wr = PF.Magnetics.get_dist_wgt(mesh,rxLoc,3.,np.min(mesh.hx)/4)
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Utils.writeUBCTensorModel(home_dir+dsep+'wr.dat',mesh,wr)
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# Write out the predicted
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pred = F.dot(mstart)
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PF.Magnetics.writeUBCobs(home_dir + dsep + 'Pred.dat',B,M,rxLoc,pred,wd)
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