looking at weird bug in log spaced depth and kernel transpose?
[Merlin.git] / examples / KernelV0.cpp
1 /* This file is part of Lemma, a geophysical modelling and inversion API.
2 * More information is available at http://lemmasoftware.org
3 */
4
5 /* This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 */
9
10 /**
11 * @file
12 * @date 11/11/2016 02:44:37 PM
13 * @version $Id$
14 * @author Trevor Irons (ti)
15 * @email tirons@egi.utah.edu
16 * @copyright Copyright (c) 2016, University of Utah
17 * @copyright Copyright (c) 2016, Lemma Software, LLC
18 */
19
20 #include <Merlin>
21 using namespace Lemma;
22
23 std::shared_ptr<PolygonalWireAntenna> CircularLoop ( int nd, Real radius, Real Offsetx, Real Offsety ) ;
24
25 int main() {
26
27 auto earth = LayeredEarthEM::NewSP();
28 earth->SetNumberOfLayers(3);
29 earth->SetLayerConductivity( (VectorXcr(3) << Complex(0.,0), Complex(1./50.,0), Complex(1./100.)).finished() );
30 earth->SetLayerThickness( (VectorXr(1) << 10).finished() );
31 // Set mag field info
32 // From NOAA, Laramie WY, June 9 2016, aligned with mag. north
33 earth->SetMagneticFieldIncDecMag( 67, 0, 52750, NANOTESLA );
34
35 // Transmitter loops
36 auto Tx1 = CircularLoop(21, 15, 100, 100);
37 auto Tx2 = CircularLoop(21, 15, 100, 124.8);
38 //auto Tx1 = CircularLoop(60, 15, 0, 0); // was 60
39
40 auto Kern = KernelV0::NewSP();
41 Kern->PushCoil( "Coil 1", Tx1 );
42 Kern->PushCoil( "Coil 2", Tx2 );
43 Kern->SetLayeredEarthEM( earth );
44
45 Kern->SetIntegrationSize( (Vector3r() << 200,200,200).finished() );
46 Kern->SetIntegrationOrigin( (Vector3r() << 0,0,0).finished() );
47 Kern->SetTolerance( 1e-10 );
48
49 Kern->SetPulseDuration(0.020);
50 VectorXr I(36);
51 I << 397.4208916184016, 352.364477036168, 313.0112765842783, 278.37896394065376, 247.81424224324982,
52 220.77925043190442, 196.76493264105017, 175.31662279234038, 156.0044839325404, 138.73983004230124,
53 123.42064612625474, 109.82713394836259, 97.76534468972267, 87.06061858367781, 77.56000002944572, 69.1280780096311,
54 61.64250263640252, 54.99473044877554, 49.091182970515476, 43.84634004556388, 39.184136917167976, 35.03619319797924,
55 31.347205894128976, 28.06346770557137, 25.139117042424758, 22.53420773366429, 20.214205433283347,
56 18.144318026099942, 16.299965972298878, 14.652633628829891, 13.184271405688083, 11.870540177313893,
57 10.697057141915716, 9.64778948429609, 8.709338689612677, 7.871268012862094;
58 //Kern->SetPulseCurrent( VectorXr::LinSpaced( 1, 10, 200 ) ); // nbins, low, high
59 Kern->SetPulseCurrent( I ); // nbins, low, high
60
61 //Kern->SetDepthLayerInterfaces( VectorXr::LinSpaced( 30, 3, 45.5 ) ); // nlay, low, high
62 //10**np.linspace(np.log10(10),np.log10(19),10)
63 VectorXr interfaces = VectorXr::LinSpaced(21, std::log10(2), std::log10(50)); // 30 log spaced
64 for (int i=0; i<interfaces.size(); ++i) {
65 interfaces(i) = std::pow(10, interfaces(i));
66 }
67 Kern->SetDepthLayerInterfaces( interfaces ); // nlay, low, high
68
69 // We could, I suppose, take the earth model in here? For non-linear that
70 // may be more natural to work with?
71 std::vector<std::string> tx = {std::string("Coil 1"), std::string("Coil 2") };
72 std::vector<std::string> rx = {std::string("Coil 1")};
73 Kern->CalculateK0( tx, rx, true );
74
75 ofstream out = ofstream("k.yaml");
76 out << *Kern;
77 out.close();
78 }
79
80 std::shared_ptr<Lemma::PolygonalWireAntenna> CircularLoop ( int nd, Real Radius, Real Offsetx, Real Offsety ) {
81
82 auto Tx1 = Lemma::PolygonalWireAntenna::NewSP();
83 Tx1->SetNumberOfPoints(nd);
84
85 VectorXr range = VectorXr::LinSpaced(nd, 0, 2*PI);
86 int ii;
87 for (ii=0; ii<nd; ++ii) {
88 Tx1->SetPoint(ii, Vector3r(Offsetx+Radius*std::cos(range(ii)), Offsety+Radius*std::sin(range(ii)), -1e-3));
89 }
90 //Tx1->SetPoint(ii, Vector3r(Offsetx+Radius*1, Offsety, -1e-3));
91
92 Tx1->SetCurrent(1.);
93 Tx1->SetNumberOfTurns(1);
94 Tx1->SetNumberOfFrequencies(1);
95 Tx1->SetFrequency(0,2246);
96
97 return Tx1;
98 }