removed old .inp file reading

par/in_and_out/ifos3d.inp

-#-----------------------------------------------------------------
-#                  PARAMETER FILE FOR IFOS3D
-#-----------------------------------------------------------------
-#
-# Note that y denotes the vertical direction !
-#
-#-----------------------------------------------------------------------------------
-#------------------------ MODELING PARAMETERS --------------------------------------
-#-----------------------------------------------------------------------------------
-#
-#-------------- Domain Decomposition -----------------------------
-number_of_processors_in_x-direction_(NPROCX) = 2
-number_of_processors_in_y-direction_(NPROCY) = 2
-number_of_processors_in_z-direction_(NPROCZ) = 2
-#
-#-------------------- 3-D Grid -----------------------------------
-number_of_gridpoints_in_x-direction_(NX) = 160
-number_of_gridpoints_in_y-direction_(NY) = 184 
-number_of_gridpoints_in_z-direction_(NZ) = 160
-distance_between_gridpoints(in_m)_in_x-direction_(DX) = 0.8	
-distance_between_gridpoints(in_m)_in_y-direction_(DY) = 0.8
-distance_between_gridpoints(in_m)_in_z-direction_(DZ) = 0.8
-#
-# Caution: first gridpoint is not at {0.0,0.0,0.0} but at {dx,dy,dz}!
-#
-#------------------- Order of FD Operator -----------------------
-order_of_spatial_fd_operators_(FDORDER) = 4
-# possible values are 2, 4, 6, 8, 10, 12
-fd_coefficients_(Taylor=1;Holberg=2)_(FDCOEFF) = 2
-#
-#-------------------Time Stepping -------------------------------
-time_of_wave_propagation_(in_sec)_(TIME) = 0.06
-timestep_(in_seconds)_(DT) = 5.0e-5
-#
-#--------------------Source---------------------------------------
-# Shape_of_source-signal:
-(ricker=1;fumue=2;from_SIGNAL_FILE=3;SIN**3=4;deltapulse=5)_(SOURCE_SHAPE) = 4
-point_source_(explosive=1;force_in_x=2;in_z=3;in_y=4;custom=5)_(SOURCE_TYPE) = 4
-# If SOURCE_TYPE <5 the following two lines are ignored
-force_angle_between_x_y_(in_degree)_(ALPHA) = 45.0
-force_angle_between_x_z_(in_degree)_(BETA) =  45.0
-# Plane wave (PW) excitation,if PLANE_WAVE_DEPTH>0, SRCREC is treated as 0
-depth_of_PW_excitation_(no<=0)_(in_meter)_(PLANE_WAVE_DEPTH) = 0.0
-dip_of_PW_from_vertical_(in_degrees)_(PHI) =0.0
-duration_of_source-signal_PW_(in_seconds)_(TS) = 0.0033
-# External signal input instead of SOURCE_SHAPE
-SIGNAL_FILE = ?
-read_source_positions_from_SOURCE_FILE_(yes=1)_(SRCREC) = 1
-SOURCE_FILE = ./sources/sources_toy.dat  
-run_multiple_shots_defined_in_SOURCE_FILE_(yes=1)_(RUN_MULTIPLE_SHOTS) = 1
-#--------------------- Model (Input) -------------------------------------
-read_model_from_MFILE(yes=1)(READMOD) = 0
-MFILE = model/toy
-#
-#---------------------Q-approximation-----------------------------
-Number_of_relaxation_mechanisms_(L) = 0
-# (L=0: elastic, FWI only tested for L=0)
-L_Relaxation_frequencies_(FL) = 1000.0 
-Tau_value_for_entire_model_(TAU) = 0.000001
-#
-#----------------------Free Surface-------------------------------
-free_surface_(yes=1)(FREE_SURF) = 0
-#
-#--------------------Absorbing Boundary---------------------------
-# exponential damping applied
-type_of_boundary_condition_(ABS_TYPE)_(PML=1/ABS=2) = 1
-width_of_absorbing_frame_(in_grid_points)_(No<=0)_(FW) = 10
-percentage_of_amplitude_decay_at_outer_edge_(DAMPING) = 8.0
-# parameter for PML:
-Dominant_frequency_(in_Hz)_(FPML) = 200.0
-P_wave_velocity_near_the_grid_boundary(in_m/s)_(VPPML) = 6200.0
-# apply_periodic_boundary_condition_at_edges_(BOUNDARY):
-(no=0)_(left/right/front/back=1) = 0
-#
-#----------------------Snapshots----------------------------------
-output_of_snapshots_(SNAP)(yes>0) = 0
-# output of particle velocities: SNAP=1
-# output of pressure field: SNAP=2
-# output of curl and divergence energy: SNAP=3
-# output of both particle velocities and energy : SNAP=4
-first_snapshot_(in_sec)_(TSNAP1) = 0.01
-last_snapshot_(in_sec)_(TSNAP2) = 0.24
-increment_(in_sec)_(TSNAPINC) = 0.0075
-# Note that y denotes the vertical direction !
-increment_x-direction_(IDX) = 1
-increment_y-direction_(IDY) = 1
-increment_z-direction_(IDZ) = 1
-data-format_(SNAP_FORMAT)(ASCII(2);BINARY(3)) = 4
-basic_filename_(SNAP_FILE) = ./snap/back
-#output will look like SNAP_FILE.bin.z.000
-#if SNAP = 1,2 the following line is ignored
-(SNAP_PLANE) = 1
-#output of snapshots as energy wihout sign SNAP_PLANE=1
-#energy with sign true for x-y-plane SNAP_PLANE=2
-#energy with sign true for x-z-plane SNAP_PLANE=3
-#energy with sign true for z-y-plane SNAP_PLANE=4
-#
-#----------------------Receiver-----------------------------------
-output_of_seismograms_(SEISMO) = 1
-# SEISMO=0: no seismograms
-# SEISMO=1: particle-velocities
-# SEISMO=2: pressure (hydrophones)
-# SEISMO=3: curl and div
-# SEISMO=4: everything
-# Warning: "curl" is not really curl in 3D
-read_receiver_positions_(READREC) = 2
-# receiver line READREC=0
-# from_file READREC=1
-# rec array READREC=2
-REC_FILE = ./receiver/receiver.dat
-reference_point_for_receiver_coordinate_system_(REFREC) = 0.0 , 0.0 , 0.0
-# if READREC=1 the following receiver options are ignored 
-# Note that y denotes the vertical direction !
-#
-# --------------------Receiver line -------------------------------
-position_of_first_receiver_(in_m)_(XREC1,YREC1,ZREC1) =  90.0 , 90.0 , 90.0
-position_of_last_receiver_(in_m)_(XREC2,YREC2,ZREC2)  =  90.0 , 90.0 , 90.0
-distance_between_two_adjacent_receivers_(in_gridpoints)_(NGEOPH) = 1
-# (Caution: receivers outside the grid may cause surprising results!)
-#
-#-------------------- Receiver array -------------------------------
-# parameters for horizontal plane of receivers
-number_of_planes_(no<=0)_(REC_ARRAY) = 1
-depth_of_first_(upper)_plane_(in_m)_(REC_ARRAY_DEPTH) = 24.0
-vertical_distance_between_planes_(in_m)_(REC_ARRAY_DIST) = 30.0 
-distance_between_receivers_in_x-direction_(in_gridpoints)_(DRX) = 10
-distance_between_receivers_in_y-direction_(in_gridpoints)_(DRZ) = 10
-#
-#--------------------  Seismogram Output-----------------------------
-samplingrate_and_timelag_(in_timesteps!)_(NDT,NDTSHIFT) = 1 , 0
-# write every (ndt)th sample, leaving ndtshift samples at the beginning out
-# default: ndt=1 and ndtshift=0. (ndt=0 is set to ndt=1, ndt<0 are set to -ndt.)
-#
-data-format_(SEIS_FORMAT[6]) = 1
-#  0: SEG-Y (ASCII-text/native 4-byte-floats (IEEE on PC)/little endian on PC)
-#  1: SU (native 4-byte-floats (IEEE on PC)/little endian on PC)
-#  2: TEXTUAL (native ASCII)
-#  3: BINARY (IEEE-4-byte-floats on PC/little endian on PC)
-#  4: SEG-Y (ASCII-text/native 4-byte-floats (IEEE on PC)/little endian on PC)
-#  5: SEG-Y (ASCII-text/IBM-4-byte-floats on PC/big endian on PC) 
-#
-basic_filename_(SEIS_FILE) = ./su/cal_toy
-#
-#------------------------ Method --------------------------------
-#
-method_(METHOD) = 0
-# 0: only forward simulation
-# 1: conjugate_gradient_FWI
-#
-#-----------------------------------------------------------------------------------
-#------------------------ INVERSION PARAMETERS --------------------------------------
-#-----------------------------------------------------------------------------------
-#
-#-------------------------In- and Output Files--------------------------------------
-gradient_filename_(GRAD_FILE) = ./grad/toy_grad
-model_output_filename_(MOD_OUT_FILE) = ./model/toy
-observed_data_fileneame_(SEIS_OBS_FILE) = ./su_obs/obs_toy
-external_or_internal_observed_data_(EXTOBS) = 0
-inversion_parameter_file_(INV_FILE) = ./in_and_out/workflow_toy.dat
-hessian_file_(HESS_FILE) = ./hess/toy_hess
-#
-#-------------------------General---------------------------------------------------
-minimum/maximum_iteration_number_(>0)_(ITMIN,ITMAX) = 1 , 80
-filtering_(yes=1/no=0)_(FILT) = 1
-maximum_number_frequencies_per_iteration_(NFMAX) = 5
-number_of_timestep_per_period_used_for_inversion_(TAST) = 100
-average_model_parameter_(VP0,VS0,RHO0) = 6200.0, 3600.0, 2800.0
-# velocities  in m/s, density in kg/m³
-parameter_class_weighting_factors_for_vp/vs/rho_(WEIGHT) = 1.0, 1.0, 0.0
-# choose from 1.0 (full update) to 0.0 (no update)
-#
-#------------------------Steplength estimation----------------------------------------
-number_of_shots_used_for_steplength_estimation_(NSHOTS_STEP) = 4
-initial_test_steplength_(TESTSTEP) = 0.02
-#
-#------------------------Gradient preconditioning-------------------------------------
-Type_of_preconditioning_(DAMPTYPE) = 2
-# 0: no damping
-# 1: Circular taper around receivers
-# 2: Cicular taper around sources and receivers
-# 3: Tapering of source and receiver planes
-#
-#------------------------Hessian ----------------------------------------
-Apply_Hessian_(yes=1/no=0)_(HESS) = 0
-Read_Hessian_from_file_(READ_HESS) = 0
-Part_of_receivers_used_for_Hessian_(REC_HESS) = 1 
-#(Each REC_HESS Receiver is used to calculate the Hessian, not yet implemented)
-Water_level_Hessian_for_vp/vs/rho_(WATER_HESS) = 0.0192, 0.0192, 1.0e-14
-# 
-#------------------------L-BFGS ----------------------------------------
-Apply_L_BFGS_(LBFGS) = 0
-Number_of_inverted_parameters_(NUMPAR) = 2
-Number_iterations_used_for_LBFGS_(BFGSNUM) = 5
\ No newline at end of file

par/in_and_out/ifos3d_toy.inp

-#-----------------------------------------------------------------
-#                  PARAMETER FILE FOR IFOS3D
-#-----------------------------------------------------------------
-#
-# Note that y denotes the vertical direction !
-#
-#-----------------------------------------------------------------------------------
-#------------------------ MODELING PARAMETERS --------------------------------------
-#-----------------------------------------------------------------------------------
-#
-#-------------- Domain Decomposition -----------------------------
-number_of_processors_in_x-direction_(NPROCX) = 2
-number_of_processors_in_y-direction_(NPROCY) = 2
-number_of_processors_in_z-direction_(NPROCZ) = 2
-#
-#-------------------- 3-D Grid -----------------------------------
-number_of_gridpoints_in_x-direction_(NX) = 160
-number_of_gridpoints_in_y-direction_(NY) = 184 
-number_of_gridpoints_in_z-direction_(NZ) = 160
-distance_between_gridpoints(in_m)_in_x-direction_(DX) = 0.8	
-distance_between_gridpoints(in_m)_in_y-direction_(DY) = 0.8
-distance_between_gridpoints(in_m)_in_z-direction_(DZ) = 0.8
-#
-# Caution: first gridpoint is not at {0.0,0.0,0.0} but at {dx,dy,dz}!
-#
-#------------------- Order of FD Operator -----------------------
-order_of_spatial_fd_operators_(FDORDER) = 4
-# possible values are 2, 4, 6, 8, 10, 12
-fd_coefficients_(Taylor=1;Holberg=2)_(FDCOEFF) = 2
-#
-#-------------------Time Stepping -------------------------------
-time_of_wave_propagation_(in_sec)_(TIME) = 0.06
-timestep_(in_seconds)_(DT) = 5.0e-5
-#
-#--------------------Source---------------------------------------
-# Shape_of_source-signal:
-(ricker=1;fumue=2;from_SIGNAL_FILE=3;SIN**3=4;deltapulse=5)_(SOURCE_SHAPE) = 4
-point_source_(explosive=1;force_in_x=2;in_z=3;in_y=4;custom=5)_(SOURCE_TYPE) = 4
-# If SOURCE_TYPE <5 the following two lines are ignored
-force_angle_between_x_y_(in_degree)_(ALPHA) = 45.0
-force_angle_between_x_z_(in_degree)_(BETA) =  45.0
-# Plane wave (PW) excitation,if PLANE_WAVE_DEPTH>0, SRCREC is treated as 0
-depth_of_PW_excitation_(no<=0)_(in_meter)_(PLANE_WAVE_DEPTH) = 0.0
-dip_of_PW_from_vertical_(in_degrees)_(PHI) =0.0
-duration_of_source-signal_PW_(in_seconds)_(TS) = 0.0033
-# External signal input instead of SOURCE_SHAPE
-SIGNAL_FILE = ?
-read_source_positions_from_SOURCE_FILE_(yes=1)_(SRCREC) = 1
-SOURCE_FILE = ./sources/sources_toy.dat  
-run_multiple_shots_defined_in_SOURCE_FILE_(yes=1)_(RUN_MULTIPLE_SHOTS) = 1
-#--------------------- Model (Input) -------------------------------------
-read_model_from_MFILE(yes=1)(READMOD) = 0
-MFILE = model/toy
-#
-#---------------------Q-approximation-----------------------------
-Number_of_relaxation_mechanisms_(L) = 0
-# (L=0: elastic, FWI only tested for L=0)
-L_Relaxation_frequencies_(FL) = 1000.0 
-Tau_value_for_entire_model_(TAU) = 0.000001
-#
-#----------------------Free Surface-------------------------------
-free_surface_(yes=1)(FREE_SURF) = 0
-#
-#--------------------Absorbing Boundary---------------------------
-# exponential damping applied
-type_of_boundary_condition_(ABS_TYPE)_(PML=1/ABS=2) = 1
-width_of_absorbing_frame_(in_grid_points)_(No<=0)_(FW) = 10
-percentage_of_amplitude_decay_at_outer_edge_(DAMPING) = 8.0
-# parameter for PML:
-Dominant_frequency_(in_Hz)_(FPML) = 200.0
-P_wave_velocity_near_the_grid_boundary(in_m/s)_(VPPML) = 6200.0
-# apply_periodic_boundary_condition_at_edges_(BOUNDARY):
-(no=0)_(left/right/front/back=1) = 0
-#
-#----------------------Snapshots----------------------------------
-output_of_snapshots_(SNAP)(yes>0) = 0
-# output of particle velocities: SNAP=1
-# output of pressure field: SNAP=2
-# output of curl and divergence energy: SNAP=3
-# output of both particle velocities and energy : SNAP=4
-first_snapshot_(in_sec)_(TSNAP1) = 0.01
-last_snapshot_(in_sec)_(TSNAP2) = 0.24
-increment_(in_sec)_(TSNAPINC) = 0.0075
-# Note that y denotes the vertical direction !
-increment_x-direction_(IDX) = 1
-increment_y-direction_(IDY) = 1
-increment_z-direction_(IDZ) = 1
-data-format_(SNAP_FORMAT)(ASCII(2);BINARY(3)) = 4
-basic_filename_(SNAP_FILE) = ./snap/back
-#output will look like SNAP_FILE.bin.z.000
-#if SNAP = 1,2 the following line is ignored
-(SNAP_PLANE) = 1
-#output of snapshots as energy wihout sign SNAP_PLANE=1
-#energy with sign true for x-y-plane SNAP_PLANE=2
-#energy with sign true for x-z-plane SNAP_PLANE=3
-#energy with sign true for z-x-plane SNAP_PLANE=4
-#
-#----------------------Receiver-----------------------------------
-output_of_seismograms_(SEISMO) = 1
-# SEISMO=0: no seismograms
-# SEISMO=1: particle-velocities
-# SEISMO=2: pressure (hydrophones)
-# SEISMO=3: curl and div
-# SEISMO=4: everything
-# Warning: "curl" is not really curl in 3D
-read_receiver_positions_(READREC) = 2
-# receiver line READREC=0
-# from_file READREC=1
-# rec array READREC=2
-REC_FILE = ./receiver/receiver.dat
-reference_point_for_receiver_coordinate_system_(REFREC) = 0.0 , 0.0 , 0.0
-# if READREC=1 the following receiver options are ignored 
-# Note that y denotes the vertical direction !
-#
-# --------------------Receiver line -------------------------------
-position_of_first_receiver_(in_m)_(XREC1,YREC1,ZREC1) =  90.0 , 90.0 , 90.0
-position_of_last_receiver_(in_m)_(XREC2,YREC2,ZREC2)  =  90.0 , 90.0 , 90.0
-distance_between_two_adjacent_receivers_(in_gridpoints)_(NGEOPH) = 1
-# (Caution: receivers outside the grid may cause surprising results!)
-#
-#-------------------- Receiver array -------------------------------
-# parameters for horizontal plane of receivers
-number_of_planes_(no<=0)_(REC_ARRAY) = 1
-depth_of_first_(upper)_plane_(in_m)_(REC_ARRAY_DEPTH) = 24.0
-vertical_distance_between_planes_(in_m)_(REC_ARRAY_DIST) = 30.0 
-distance_between_receivers_in_x-direction_(in_gridpoints)_(DRX) = 10
-distance_between_receivers_in_y-direction_(in_gridpoints)_(DRZ) = 10
-#
-#--------------------  Seismogram Output-----------------------------
-samplingrate_and_timelag_(in_timesteps!)_(NDT,NDTSHIFT) = 1 , 0
-# write every (ndt)th sample, leaving ndtshift samples at the beginning out
-# default: ndt=1 and ndtshift=0. (ndt=0 is set to ndt=1, ndt<0 are set to -ndt.)
-#
-data-format_(SEIS_FORMAT[6]) = 1
-#  0: SEG-Y (ASCII-text/native 4-byte-floats (IEEE on PC)/little endian on PC)
-#  1: SU (native 4-byte-floats (IEEE on PC)/little endian on PC)
-#  2: TEXTUAL (native ASCII)
-#  3: BINARY (IEEE-4-byte-floats on PC/little endian on PC)
-#  4: SEG-Y (ASCII-text/native 4-byte-floats (IEEE on PC)/little endian on PC)
-#  5: SEG-Y (ASCII-text/IBM-4-byte-floats on PC/big endian on PC) 
-#
-basic_filename_(SEIS_FILE) = ./su_obs/obs_toy
-#
-#------------------------ Method --------------------------------
-#
-method_(METHOD) = 0
-# 0: only forward simulation
-# 1: conjugate_gradient_FWI
-#
-#-----------------------------------------------------------------------------------
-#------------------------ INVERSION PARAMETERS --------------------------------------
-#-----------------------------------------------------------------------------------
-#
-#-------------------------In- and Output Files--------------------------------------
-gradient_filename_(GRAD_FILE) = ./grad/toy_grad
-model_output_filename_(MOD_OUT_FILE) = ./model/toy
-observed_data_fileneame_(SEIS_OBS_FILE) = ./su_obs/obs_toy
-external_or_internal_observed_data_(EXTOBS) = 0
-inversion_parameter_file_(INV_FILE) = ./in_and_out/workflow_toy.dat
-hessian_file_(HESS_FILE) = ./hess/toy_hess
-#
-#-------------------------General---------------------------------------------------
-minimum/maximum_iteration_number_(>0)_(ITMIN,ITMAX) = 1 , 60
-filtering_(yes=1/no=0)_(FILT) = 0
-maximum_number_frequencies_per_iteration_(NFMAX) = 5
-number_of_timestep_per_period_used_for_inversion_(TAST) = 100
-average_model_parameter_(VP0,VS0,RHO0) = 6200.0, 3600.0, 2800.0
-# velocities  in m/s, density in kg/m³
-parameter_class_weighting_factors_for_vp/vs/rho_(WEIGHT) = 1.0, 1.0, 0.0
-# choose from 1.0 (full update) to 0.0 (no update)
-#
-#------------------------Steplength estimation----------------------------------------
-number_of_shots_used_for_steplength_estimation_(NSHOTS_STEP) = 4
-initial_test_steplength_(TESTSTEP) = 0.02
-#
-#------------------------Gradient preconditioning-------------------------------------
-Type_of_preconditioning_(DAMPTYPE) = 2
-# 0: no damping
-# 1: Circular taper around receivers
-# 2: Circular taper around sources and receivers
-# 3: Tapering of source and receiver planes
-#
-#------------------------Hessian ----------------------------------------
-Apply_Hessian_(yes=1/no=0)_(HESS) = 0
-Read_Hessian_from_file_(READ_HESS) = 0
-Part_of_receivers_used_for_Hessian_(REC_HESS) = 1 
-#(Each REC_HESS Receiver is used to calculate the Hessian, not yet implemented)
-Water_level_Hessian_for_vp/vs/rho_(WATER_HESS) = 0.0192, 0.0192, 1.0e-14
-# 
-#------------------------L-BFGS ----------------------------------------
-Apply_L_BFGS_(LBFGS) = 0
-Number_of_inverted_parameters_(NUMPAR) = 2
-Number_iterations_used_for_LBFGS_(BFGSNUM) = 5

src/Makefile

@@ -56,7 +56,6 @@ SNAPMERGE_SCR = \
 	snapmerge.c \
 	merge.c \
 	json_parser.c \
-	read_par.c \
 	read_par_json.c \
 	readdsk.c \
 	writedsk.c \
@@ -64,7 +63,6 @@ SNAPMERGE_SCR = \
 	
 PARTMODEL_SCR = \
 	part_model.c \
-	read_par.c \
 	read_par_json.c \
 	util.c 	
 
@@ -82,7 +80,6 @@ IFOS_UTIL = \
 		output_source_signal.c \
 		rd_sour.c \
 		readdsk.c \
-		read_par.c \
 		json_parser.c \
 		read_par_json.c \
 		exchange_par.c \

src/fd.h

@@ -181,8 +181,6 @@ float *** bufferfro_to_bac, float *** bufferbac_to_fro, MPI_Request * req_send,
 
 float readdsk(FILE *fp_in, int format);
 
-int read_par(FILE *fp);
-
 void read_par_json(FILE *fp, char *fileinp);
 
 void readmod_acoustic(float  ***  rho, float ***  pi, int ishot);

src/ifos3d.c

@@ -134,7 +134,7 @@ int main(int argc, char **argv){
 			fclose(FP);
 		} else {
 		//read "old" input file *.inp, might not work in future
-			read_par(FP);
+			err(" Old Input files (.inp) are no longer supported. \n Please use .json input files instead. \n\n");
 		}
 		 
 	} 

src/part_model.c

@@ -57,7 +57,8 @@ fileinp = argv[1];
 	}
 	else {
 	        //read "old" input file *.inp, might not work in future
-	        read_par(FP);
+		err(" Old Input files (.inp) are no longer supported. \n Please use .json input files instead. \n\n");
+
 	} 
 
 

src/read_par.c

-/*------------------------------------------------------------------------
- * Copyright (C) 2015 For the list of authors, see file AUTHORS.
- *
- * This file is part of IFOS3D.
- * 
- * IFOS3D is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2.0 of the License only.
- * 
- * IFOS3D is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with IFOS3D. See file COPYING and/or 
- * <http://www.gnu.org/licenses/gpl-2.0.html>.
---------------------------------------------------------------------------*/
-
-/*---------------------------------------------------------------
- * Reading FD-Parameters from input-file                           
- ----------------------------------------------------------------*/
-
-#include "fd.h"
-
-int read_par(FILE *fp_in){
-
-
-	/* declaration of extern variables */
-	extern int   NX, NY, NZ, SOURCE_SHAPE, SOURCE_TYPE, SNAP, SNAP_FORMAT, SNAP_PLANE;
-	extern int DRX, DRZ, L, SRCREC, FDORDER, FW, FDCOEFF;
-	extern float DX, DY, DZ, TIME, DT, TS, *FL, TAU, PLANE_WAVE_DEPTH, PHI;
-	extern float XREC1, XREC2, YREC1, YREC2, ZREC1, ZREC2, ALPHA, BETA;
-	extern float REC_ARRAY_DEPTH, REC_ARRAY_DIST;
-	extern int SEISMO, NDT, NDTSHIFT, NGEOPH, SEIS_FORMAT[6], FREE_SURF, READMOD, MOD_FORMAT, READREC, RUN_MULTIPLE_SHOTS;
-	extern int BOUNDARY, REC_ARRAY, LOG, IDX, IDY, IDZ, ABS_TYPE;
-	extern float TSNAP1, TSNAP2, TSNAPINC, REFREC[4], DAMPING, FPML, VPPML;
-	extern char  MFILE[STRING_SIZE], SIGNAL_FILE[STRING_SIZE];
-	extern char SNAP_FILE[STRING_SIZE], SOURCE_FILE[STRING_SIZE], REC_FILE[STRING_SIZE];
-	extern char SEIS_FILE[STRING_SIZE],GRAD_FILE[STRING_SIZE], SEIS_OBS_FILE[STRING_SIZE],INV_FILE[STRING_SIZE];
-	extern int NPROCX,NPROCY,NPROCZ;
-	extern int ASCIIEBCDIC,LITTLEBIG,IEEEIBM;
-	
-	extern float FC,AMP, REFSRC[3], SRC_DT, SRCTSHIFT;
-	extern int SRC_MF, SIGNAL_FORMAT, SRCOUT_PAR[6], FSRC, JSRC, LSRC;
-	extern char SRCOUT_FILE[STRING_SIZE];
-	extern char MOD_OUT_FILE[STRING_SIZE], HESS_FILE[STRING_SIZE];
-	extern int METHOD;
-	extern int ITMIN, ITMAX, FILT, NFMAX, TAST, NSHOTS_STEP, DAMPTYPE, HESS, READ_HESS, REC_HESS,EXTOBS,LBFGS;
-	/*extern float F_INV;*/
-	extern float TESTSTEP, WATER_HESS[3], WEIGHT[3], VP0, VS0, RHO0;
-	extern int BFGSNUM, NUMPAR;
-	extern int VERBOSE;
-	
-	/* definition of local variables */
-	char s[256], cline[256]="";
-	int  lineno=0, l, nvarin=0;
-	
-	//Default Value for Verbose Mode
-	VERBOSE=1;
-	
-	if (fp_in==NULL) err(" Could not open input parameter file (ifos3d.inp)! ");
-
-		while (fgets(cline,255,fp_in)){ /* leaves via break */
-			/* If there are more than 255 characters in one line, this does not work. */
-			if (cline[0]!='#'){      /* no comment line */
-				lineno++;
-				/* fprintf(stderr,"Reading Linenumber %i\n",lineno); */
-				switch (lineno){
-				case 1 :
-					sscanf(cline,"%s =%i",s,&NPROCX);
-					break;
-				case 2 :
-					sscanf(cline,"%s =%i",s,&NPROCY); 
-					break;
-				case 3 :
-					sscanf(cline,"%s =%i",s,&NPROCZ); 
-					break;
-				case 4 :
-					sscanf(cline,"%s =%i",s,&NX);
-					break;
-				case 5 :
-					sscanf(cline,"%s =%i",s,&NY);
-					break;
-				case 6 :
-					sscanf(cline,"%s =%i",s,&NZ);
-					break;
-				case 7 :
-					sscanf(cline,"%s =%f",s,&DX);
-					break;
-                                case 8 :
-					sscanf(cline,"%s =%f",s,&DY);
-					break;
-				case 9 :
-					sscanf(cline,"%s =%f",s,&DZ);
-					break;
-				case 10 :
-					sscanf(cline,"%s =%i",s,&FDORDER);
-					break;
-				case 11 :
-					sscanf(cline,"%s =%i",s,&FDCOEFF);
-					break;	
-				case 12 :
-					sscanf(cline,"%s =%f",s,&TIME);
-					break;
-				case 13 :
-					sscanf(cline,"%s =%f",s,&DT);
-					break;					
-				case 14 :
-					nvarin=sscanf(cline,"%s =%i , %f , %f",s,&SOURCE_SHAPE,&FC,&AMP);
-					switch(nvarin){
-						case 0: 
-						case 1: SOURCE_SHAPE=0;
-							/* fprintf(stderr," Caution: SOURCE_SHAPE set to %d.\n",SOURCE_SHAPE); */
-						case 2: FC=0.0; 
-							/* fprintf(stderr," FC set to %d.\n",FC); */
-						case 3: AMP=1.0;
-							/* fprintf(stderr," AMP set to %d.\n",AMP); */
-						/* case 4: break;
-						default: fprintf(stderr,"This line of read_par.c should never be reached! [1]\n"); */
-					}
-					break;
-				case 15 :
-					sscanf(cline,"%s =%i",s,&SOURCE_TYPE);
-					break;
-				case 16 :
-					sscanf(cline,"%s =%f",s,&ALPHA);		
-					break;
-				case 17 :
-					sscanf(cline,"%s =%f",s,&BETA);
-					break;
-				case 18 :
-					sscanf(cline,"%s =%f",s,&PLANE_WAVE_DEPTH);
-					break;
-				case 19 :
-					sscanf(cline,"%s =%f",s,&PHI);
-					break;
-				case 20 :
-					/* TS has to remain for the plane wave excitation*/
-					nvarin=sscanf(cline,"%s =%f , %f",s,&TS,&SRC_DT);
-					switch(nvarin){
-						case 0: 
-						case 1: TS=0; /* to be determined from input data */
-						case 2: SRC_DT=DT;
-					}					
-					break;
-				case 21 :
-					nvarin=sscanf(cline,"%s =%s , %i ",s,SIGNAL_FILE,&SIGNAL_FORMAT);
-					switch(nvarin){
-						case 0: 
-						case 1: strcpy(SIGNAL_FILE,"\0");
-						case 2: SIGNAL_FORMAT=0;		
-						/* case 8: break;
-						default: fprintf(stderr,"This line of read_par.c should never be reached! [2]\n");*/
-					}
-					break;
-				
-				case 22 :
-					nvarin=sscanf(cline,"%s =%i , %i , %f , %f , %f",s,&SRCREC,&SRC_MF,&REFSRC[0],&REFSRC[1],&REFSRC[2]);
-					switch(nvarin){
-						case 0: 
-						case 1: SRCREC=0; /* default: do not read source positions from file */
-						case 2: SRC_MF=0; /* source positions in meter */
-						case 3: REFSRC[0]=0.0; /* Reference x-coordinate */
-						case 4: REFSRC[1]=0.0; /* Reference y-coordinate (vertical!)*/
-						case 5: REFSRC[2]=0.0; /* Reference z-coordinate */
-					}
-					break;
-				case 23 :
-					nvarin=sscanf(cline,"%s =%s , %s , %i , %i , %i , %i , %i , %i",s,SOURCE_FILE,SRCOUT_FILE,&SRCOUT_PAR[0],&SRCOUT_PAR[1],&SRCOUT_PAR[2],&SRCOUT_PAR[3],&SRCOUT_PAR[4],&SRCOUT_PAR[5]);	
-					switch(nvarin){
-						case 0:
-						case 1: strcpy(SOURCE_FILE,"\0");
-						case 2: strcpy(SRCOUT_FILE,"\0");
-						case 3: SRCOUT_PAR[0]=0;
-						case 4: SRCOUT_PAR[1]=0;
-						case 5: SRCOUT_PAR[2]=0;
-						case 6: SRCOUT_PAR[3]=0;
-						case 7: SRCOUT_PAR[4]=0;
-						case 8: SRCOUT_PAR[5]=0;
-					}
-					break;
-				case 24 :
-					nvarin=sscanf(cline,"%s =%i , %f , %i , %i , %i",s,&RUN_MULTIPLE_SHOTS,&SRCTSHIFT,&FSRC,&JSRC,&LSRC);
-					switch(nvarin){
-						case 0:
-						case 1: RUN_MULTIPLE_SHOTS=1;
-						case 2: SRCTSHIFT=0.0;
-						case 3: FSRC=0;
-						case 4: JSRC=1;
-						case 5: LSRC=2147483647; /* max int */