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#-----------------------------------------------------------------
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#      JSON PARAMETER FILE FOR IFOS
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#-----------------------------------------------------------------
# description:
# description/name of the model: genmod/toy_example_start.c with flnodes.toy_example.start
#

{
"Domain Decomposition" : "comment",
			"NPROCX" : "4",
			"NPROCY" : "1",

"FD order" : "comment",
			"FDORDER" : "4",
			"MAXRELERROR" : "0",

"2-D Grid" : "comment",
			"NX" : "252",
			"NY" : "75",
			"DH" : "0.2",

"Time Stepping" : "comment",
			"TIME" : "0.6",
			"DT" : "5.0e-05",

"Source" : "comment",
			"QUELLART" : "4",
			"QUELLART values: ricker=1;fumue=2;from_SIGNAL_FILE=3;SIN**3=4;Gaussian_deriv=5;Spike=6" : "comment",
			"SIGNAL_FILE" : "./ormsby.dat",
			
			"QUELLTYP" : "3",
			"QUELLTYP values (point_source): explosive=1;force_in_x=2;force_in_y=3;rotated_force=4" : "comment",
			
			"SRCREC" : "1",
			"SRCREC values : read source positions from SOURCE_FILE=1, PLANE_WAVE=2" : "comment",
			
			"SOURCE_FILE" : "./source/src_toy_example.dat",
			"RUN_MULTIPLE_SHOTS" : "1",

"Acoustic Computation" : "comment",
			"ACOUSTIC" : "0",

"Model" : "comment",
			"READMOD" : "0",
			"MFILE" : "model_true/mod_toy_example_it_0",

"Free Surface" : "comment",
			"FREE_SURF" : "1",

"PML Boundary" : "comment",
			"FW" : "20",
			"DAMPING" : "1700.0",
			"FPML" : "31.25",
			"BOUNDARY" : "0",
			"npower" : "4.0",
			"k_max_PML" : "1.0",

"Receiver" : "comment",
			"SEISMO" : "1",
			"READREC" : "1",
			"REC_FILE" : "./receiver/rec_toy_example.dat",
			"REFRECX, REFRECY" : "0.0 , 0.0",

"Seismograms" : "comment",
			"NDT" : "15",
			"SEIS_FORMAT" : "1",
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			"SEIS_FILE" : "su/toy_example/toy_example",
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"Q-approximation" : "comment",
			"L" : "3",
			"FL1" : "0.5211", 
			"FL2" : "7.6660",
			"FL3" : "72.6774",
			"TAU" : "0.0966",
			

"General inversion parameters" : "comment",
			"ITERMAX" : "400",
			"DATA_DIR" : "su/measured_data/toy_example",
			"INVMAT1" : "1",
			"INVMAT" : "0",
			"QUELLTYPB" : "1",
			"MISFIT_LOG_FILE" : "LOG_toy_example.dat",
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"Inversion for parameter starting from iteration" : "comment",
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			"INV_RHO_ITER" : "400",
			"INV_VP_ITER" : "400",
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			"INV_VS_ITER" : "0",

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"Output of inverted models" : "comment",
			"INV_MODELFILE" : "model/toy_example/mod_toy_example",
			"nfstart" : "1",
			"nf" : "1",

"Output of gradients" : "comment",
			"JACOBIAN" : "jacobian/toy_example/jac_toy_example",
			"nfstart_jac" : "1",
			"nf_jac" : "1",

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"Workflow" : "comment",
			"USE_WORKFLOW" : "0",
			"FILE_WORKFLOW" : "workflow.txt",

"Approx. Hessian" : "comment",
			"EPRECOND" : "0",
			"EPSILON_WE" : "0.005",
			"EPRECOND_ITER" : "0",

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"Gradient-Method" : "comment",
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			"GRAD_METHOD" : "1",
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			"LBFGS_STEP_LENGTH" : "1",
			"N_LBFGS" : "5",
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"Wolfe Condition" : "comment",
			"WOLFE_CONDITION" : "1",
			"WOLFE_NUM_TEST" : "5",
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			"WOLFE_TRY_OLD_STEPLENGTH" : "1",
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"Misfit Definition" : "comment",
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			"LNORM" : "7",
			"LNORM values: L1 norm=1, L2 norm=2, Cauchy=3, SECH=4, Global correlation=5, L2 norm with time windowing=6" : "comment",
			"NORMALIZE" : "0",
			"DTINV" : "15",

"Step length estimation" : "comment", 
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			"EPS_SCALE" : "0.04", 
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			"STEPMAX" : "4",
			"SCALEFAC" : "5.0",
			"TESTSHOT_START , TESTSHOT_END , TESTSHOT_INCR" : "1 , 5 , 2",

"Termination of the programmme" : "comment",
			"PRO" : "0.01",

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"Frequency filtering during inversion" : "comment",
			"TIME_FILT" : "1",
			"FC_START" : "10.0",
			"FC_END" : "70.0",
			"FC_INCR" : "10.0",
			"ORDER" : "4",

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"Minimum number of iteration per frequency" : "comment",
			"MIN_ITER" : "10",

"Definition of gradient taper geometry" : "comment",
			"SWS_TAPER_CIRCULAR_PER_SHOT" : "1",
			"SRTSHAPE" : "1",
			"SRTRADIUS" : "3.0",
			"FILTSIZE" : "1",
			"SWS_TAPER_FILE" : "0",

"Upper and lower limits for model parameters" : "comment",
			"VPUPPERLIM" : "2420",
			"VPLOWERLIM" : "0",
			"VSUPPERLIM" : "5000",
			"VSLOWERLIM" : "0",
			"RHOUPPERLIM" : "5000",
			"RHOLOWERLIM" : "0",

"Definition of smoothing the models vp and vs" : "comment",
			"MODEL_FILTER" : "1",
			"FILT_SIZE" : "3",

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"Verbose mode" : "comment",
			"VERBOSE" : "0",
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}