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Hello,</div>
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Could I please get some help in activating the horizon finder correctly in a bns run?</div>
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This is what I have in the par file:</div>
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<span style="font-size: 10pt;">ActiveThorns = "AHFinderDirect"</span>
<div><span style="font-size: 10pt;">AHFinderDirect::find_after_individual_time[1] = 1500</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::find_every = 64</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::output_h_every = 128</span></div>
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<div><span style="font-size: 10pt;">AHFinderDirect::geometry_interpolator_name = "Lagrange polynomial interpolation"</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::geometry_interpolator_pars = "order=4"</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::surface_interpolator_name = "Lagrange polynomial interpolation"</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::surface_interpolator_pars = "order=4"</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::which_surface_to_store_info[1] = 0</span></div>
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<div><span style="font-size: 10pt;">AHFinderDirect::initial_guess_method [1] = "coordinate sphere"</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::initial_guess__coord_sphere__radius[1] = 0.3</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::initial_guess__coord_sphere__x_center[1] = 0.0</span></div>
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<div><span style="font-size: 10pt;">AHFinderDirect::N_horizons = 1</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::max_allowable_horizon_radius[1] = 3</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::reset_horizon_after_not_finding[1] = "no"</span></div>
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<div><span style="font-size: 10pt;">AHFinderDirect::origin_x[1] = 0</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::move_origins = "yes"</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::predict_origin_movement = "yes"</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::reshape_while_moving = "yes"</span></div>
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<div><span style="font-size: 10pt;">AHFinderDirect::track_origin_from_grid_scalar[1] = "yes"</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::track_origin_source_x[1] = "Hydro_Analysis::Hydro_Analysis_rho_max_loc[0]"</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::track_origin_source_y[1] = "Hydro_Analysis::Hydro_Analysis_rho_max_loc[1]"</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::track_origin_source_z[1] = "Hydro_Analysis::Hydro_Analysis_rho_max_loc[2]"</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::track_origin_from_grid_scalar[2] = "yes"</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::track_origin_source_x[2] = "Hydro_Analysis::Hydro_Analysis_rho_max_loc[0]"</span></div>
<div><span style="font-size: 10pt;">AHFinderDirect::track_origin_source_y[2] = "Hydro_Analysis::Hydro_Analysis_rho_max_loc[1]"</span></div>
<span style="font-size: 10pt;">AHFinderDirect::track_origin_source_z[2] = "Hydro_Analysis::Hydro_Analysis_rho_max_loc[2]"</span><br>
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And this is what happens when is activated:</div>
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<span style="font-size: 10pt;">cactus_bns: /home/babiuc/ET_2020_11/Cactus/configs/bns/build/AHFinderDirect/driver/Newton.cc:109: void AHFinderDirect::track_origin(const cGH*, AHFinderDirect::patch_system&, AHFinderDirect::AH_data*, int, bool): Assertion `ox'
failed.</span>
<div><span style="font-size: 10pt;">Rank 0 with PID 22304 received signal 6</span></div>
<div><span style="font-size: 10pt;">Writing backtrace to BNS_BSSN_Sly_myAHF_dx12/backtrace.0.txt</span></div>
<div>-------------------------------------------------------</div>
<div>Primary job terminated normally, but 1 process returned</div>
a non-zero exit code. Per user-direction, the job has been aborted.<br>
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thanks,</div>
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Maria</div>
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<div dir="ltr">_______________________</div>
<div dir="ltr"><i><font size="2">Maria C. Babiuc Hamilton, Ph.D.</font></i></div>
<div dir="ltr"><i><font size="2">Professor, Department of Physics </font></i></div>
<div dir="ltr"><i style="font-size:12pt"><font size="2"><i style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt"><font size="2"></font></i>College of Science, </font></i><i style="font-size:12pt"><font size="2">Marshall University,</font></i></div>
<div dir="ltr"><i><font size="2">1 John Marshall Drive, </font></i><i style="font-size:12pt"><font size="2">Huntington, WV, 25755</font></i></div>
<div dir="ltr"><i><font size="2"><i style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt"><font size="2"><i style="font-size:12pt"><font size="2">Room S 257, <span id="ms-rterangepaste-start"></span><i style="font-size:16px"><font size="2">Phone:
(304)696-2754</font></i></font></i></font></i><br>
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