Better file naming

examples/KV0-3loops.cpp

     std::vector<std::string> tx = {std::string("Coil 1"), std::string("Coil 2"), std::string("Coil 3") };
     //std::vector<std::string> rx = {std::string("Coil 1"), std::string("Coil 2")};//, std::string("Coil 3") };
     std::vector<std::string> rx = {std::string(argv[3])};
-    //std::vector<std::string> rx = {std::string("Coil 1"), std::string("Coil 2"), std::string("Coil 3") };
-    //std::vector<std::string> rx = {std::string("Coil 1"), std::string("Coil 2")};//, std::string("Coil 3") };
-    std::vector<std::string> rx = {std::string(argv[3])};
     Kern->CalculateK0( tx, rx, false );
 
-    //std::ofstream dout = std::ofstream(std::string("k0-3Tx-RxCh-") + std::string(argv[3]) + std::string("-tol") + std::string(argv[1])+ std::string(".dat"));
-    std::ofstream dout = std::ofstream(std::string("k0-3Tx-RxCh-13") + std::string("-off-") + std::string(argv[1])+ std::string(".dat"));
+    std::ofstream dout = std::ofstream(std::string("k0-3Tx-RxCh-") + std::string(argv[3]) + std::string("-tol") + std::string(argv[1])+ std::string(".dat"));
     dout << "# Transmitters: ";
     for (auto lp : tx) {
         dout << lp << "\t";
         dout << Kern->GetKernel().imag() << std::endl;
         dout.close();
 
-<<<<<<< HEAD
     //std::ofstream out = std::ofstream(std::string("k0-3Tx-RxCh1-")+std::string(argv[1])+std::string(".yaml"));
-    std::ofstream out = std::ofstream(std::string("k0-3Tx-RxCh-13") + std::string("-off-") + std::string(argv[1])+ std::string(".yaml"));
-    //std::ofstream out = std::ofstream(std::string("k-coincident.yaml"));
-=======
     std::ofstream out = std::ofstream(std::string("k0-3Tx-RxCh-") + std::string(argv[3]) + std::string("-tol") + std::string(argv[1])+ std::string(".yaml"));
->>>>>>> 241215b41d033a7d74d572d479d486850b30ffce
     out << *Kern;
     out.close();
 }

examples/KernelV0-2.cpp

         Kern->SetLayeredEarthEM( earth );
 
         Kern->SetIntegrationSize( (Vector3r() << 200,200,200).finished() );
-        Kern->SetIntegrationOrigin( (Vector3r() << 0,0,0).finished() );
-        Kern->SetTolerance( 1e-10 ); // 1e-12
+        Kern->SetIntegrationOrigin( (Vector3r() << -100, -100, .5).finished() );
+        Real tol(1e-9);
+        Kern->SetTolerance( tol ); // 1e-12
 
 //         Kern->AlignWithAkvoDataset( YAML::LoadFile(argv[2]) );
 
         Kern->SetPulseCurrent( I ); // nbins, low, high
 
         //VectorXr interfaces = VectorXr::LinSpaced( 41, .5, 45.5 ); // nlay, low, high
-        VectorXr interfaces = VectorXr::LinSpaced( 51, .5, 45.5 ); // nlay, low, high
+        VectorXr interfaces = VectorXr::LinSpaced( 61, .5, 45.5 ); // nlay, low, high
         Real thick = .5;
         for (int ilay=1; ilay<interfaces.size(); ++ilay) {
             interfaces(ilay) = interfaces(ilay-1) + thick;
     // may be more natural to work with?
     std::vector<std::string> tx = {std::string("Coil 1")};
     std::vector<std::string> rx = {std::string("Coil 2")};
-    Kern->CalculateK0( tx, rx, false );
+    Kern->CalculateK0( tx, rx, false ); // 3rd argument is vtk output
+
+    std::ofstream dout = std::ofstream(std::string("Rx-")+std::string(argv[3])+std::string(".dat"));
+    dout << "# Transmitters: ";
+    for (auto lp : tx) {
+        dout << lp << "\t";
+    }
+    dout << "\n# Receivers: ";
+    for (auto lp : rx) {
+        dout << lp << "\t";
+    }
+    dout << "\n# Tolerance: " << tol << std::endl;
 
-    std::ofstream dout = std::ofstream(std::string("test-")+ std::string(argv[1])+ std::string(".dat"));
-    //std::ofstream dout = std::ofstream(std::string("k-coincident.dat"));
         dout << interfaces.transpose() << std::endl;
         dout << I.transpose() << std::endl;
         dout << "#real\n";
         dout << Kern->GetKernel().imag() << std::endl;
         dout.close();
 
-    std::ofstream out = std::ofstream(std::string("test-")+std::string(argv[1])+std::string(".yaml"));
+    std::ofstream out = std::ofstream(std::string("Rx-")+std::string(argv[2])+std::string(".yaml"));
     //std::ofstream out = std::ofstream(std::string("k-coincident.yaml"));
     out << *Kern;
     out.close();

examples/KernelV0.cpp

 		earth->SetLayerThickness( (VectorXr(1) << 10).finished() );
         // Set mag field info
         // From NOAA, Laramie WY, June 9 2016, aligned with mag. north
-        earth->SetMagneticFieldIncDecMag( 67, 0, 52750, NANOTESLA );
+        earth->SetMagneticFieldIncDecMag( 67, 9, 52750, NANOTESLA );
 
     // Transmitter loops
     auto Tx1 = CircularLoop(21, 15, 100, 100);