calc_res.c 9.07 KB
Newer Older
Tilman Steinweg's avatar
Tilman Steinweg committed
1
/*-----------------------------------------------------------------------------------------
Florian Wittkamp's avatar
Florian Wittkamp committed
2
 * Copyright (C) 2016  For the list of authors, see file AUTHORS.
Tilman Steinweg's avatar
Tilman Steinweg committed
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
 *
 * This file is part of DENISE.
 * 
 * DENISE 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.
 * 
 * DENISE 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 DENISE. See file COPYING and/or <http://www.gnu.org/licenses/gpl-2.0.html>.
-----------------------------------------------------------------------------------------*/

/*------------------------------------------------------------------------
 *   Calculate Data Residuals                                  
 *   last update 29/03/08, D.Koehn
 *  ----------------------------------------------------------------------*/
#include "fd.h"

double calc_res(float **sectiondata, float **section, float **sectiondiff, float **sectiondiffold, int ntr, int ns, int LNORM, float L2, int itest, int sws, int swstestshot, int ntr_glob, int **recpos_loc, int nsrc_glob, int ishot, int iter){

/* declaration of variables */
extern float DT, WATERLEVEL_LNORM8;
extern int REC1, REC2, MYID, ACOUSTIC;
extern int TRKILL, NORMALIZE, FC, TIMEWIN;
extern char TRKILL_FILE[STRING_SIZE];
32
extern int VELOCITY, USE_WORKFLOW, WORKFLOW_STAGE;
Tilman Steinweg's avatar
Tilman Steinweg committed
33 34 35 36 37
float RMS, signL1, intseis;
int Lcount,i,j,invtime,k,h, umax=0;
float l2;
float abs_section, abs_sectiondata, sectiondata_mult_section;
float intseis_s, intseis_sd;
38
float *picked_times=NULL;
Tilman Steinweg's avatar
Tilman Steinweg committed
39 40
float **intseis_section=NULL, **intseis_sectiondata=NULL;
float **intseis_sectiondata_envelope=NULL, **intseis_section_envelope=NULL, **intseis_section_hilbert=NULL, **dummy_1=NULL, **dummy_2=NULL;
41

Tilman Steinweg's avatar
Tilman Steinweg committed
42 43 44 45
if(LNORM==8){
	intseis_section_envelope = matrix(1,ntr,1,ns);
	intseis_sectiondata_envelope = matrix(1,ntr,1,ns);
	intseis_section_hilbert = matrix(1,ntr,1,ns);
46
	dummy_1 = matrix(1,ntr,1,ns);
Tilman Steinweg's avatar
Tilman Steinweg committed
47
	dummy_2 = matrix(1,ntr,1,ns);
48 49
}

Tilman Steinweg's avatar
Tilman Steinweg committed
50 51
intseis_section = matrix(1,ntr,1,ns);  /* declaration of variables for integration */
intseis_sectiondata = matrix(1,ntr,1,ns);
52
if(TIMEWIN) picked_times = vector(1,ntr); /* declaration of variables for TIMEWIN */
Tilman Steinweg's avatar
Tilman Steinweg committed
53 54 55 56 57 58 59 60 61

/* sectiondiff will be set to zero */
umax=ntr*ns;
zero(&sectiondiff[1][1],umax);

/* TRACE KILLING */
int ** kill_tmp, *kill_vector;	/* declaration of variables for trace killing */
char trace_kill_file[STRING_SIZE];	
FILE *ftracekill;
62

Tilman Steinweg's avatar
Tilman Steinweg committed
63 64 65 66 67 68 69
if(TRKILL==1){
	/* sectiondiff will be set to zero */
	umax=ntr*ns;
	zero(&sectiondiff[1][1],umax);
	
	kill_tmp = imatrix(1,ntr_glob,1,nsrc_glob);
	kill_vector = ivector(1,ntr);
70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88
    
    if(USE_WORKFLOW){
        sprintf(trace_kill_file,"%s_%i.dat",TRKILL_FILE,WORKFLOW_STAGE);
        ftracekill=fopen(trace_kill_file,"r");
        if (ftracekill==NULL){
            sprintf(trace_kill_file,"%s.dat",TRKILL_FILE);
            ftracekill=fopen(trace_kill_file,"r");
            if (ftracekill==NULL){
                err(" Trace kill file could not be opened!");
            }
        }
    }else{
        sprintf(trace_kill_file,"%s.dat",TRKILL_FILE);
        ftracekill=fopen(trace_kill_file,"r");
        if (ftracekill==NULL){
            err(" Trace kill file could not be opened!");
        }
    }
    
Tilman Steinweg's avatar
Tilman Steinweg committed
89 90 91 92 93
	for(i=1;i<=ntr_glob;i++){
		for(j=1;j<=nsrc_glob;j++){
			fscanf(ftracekill,"%d",&kill_tmp[i][j]);
		}
	}
94
	
Tilman Steinweg's avatar
Tilman Steinweg committed
95
	fclose(ftracekill);
96
	
Tilman Steinweg's avatar
Tilman Steinweg committed
97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127
	h=1;
	for(i=1;i<=ntr;i++){
	   kill_vector[h] = kill_tmp[recpos_loc[3][i]][ishot];
	   h++;
	}
} /* end if(TRKILL)*/

RMS=0.0;
Lcount=1;  

/* Integration of measured and synthetic data  */
for(i=1;i<=ntr;i++){
	intseis_s=0;
	intseis_sd=0;
	if (VELOCITY==0){	/* only integtration if displacement seismograms are inverted */
		for(j=1;j<=ns;j++){
			intseis_s  += section[i][j];
			intseis_section[i][j]     = intseis_s*DT;
			intseis_sd += sectiondata[i][j];
			intseis_sectiondata[i][j] = intseis_sd*DT;
		}
	}else{
		for(j=1;j<=ns;j++){
			intseis_section[i][j]     = section[i][j];
			intseis_sectiondata[i][j] = sectiondata[i][j];
		}
	}
}

/* TIME WINDOWING */
if(TIMEWIN==1){
128 129
    time_window(intseis_section, iter, ntr_glob,recpos_loc, ntr, ns, ishot);
    time_window(intseis_sectiondata, iter, ntr_glob,recpos_loc, ntr, ns, ishot);
Tilman Steinweg's avatar
Tilman Steinweg committed
130 131 132 133
}

/* NORMALIZE TRACES */
if(NORMALIZE==1){
134 135
	normalize_data(intseis_section,ntr,ns);
	normalize_data(intseis_sectiondata,ntr,ns);
Tilman Steinweg's avatar
Tilman Steinweg committed
136 137 138 139 140 141 142
}

/* calculate RMS */
/*for(i=1;i<=ntr;i++){
      for(j=1;j<=ns;j++){*/
      /*RMS += (sectionpdata[i][j]-sectionvx[i][j]) * (sectionpdata[i][j]-sectionvx[i][j]);*/
      /*RMS += (sectionpdata[i][j]) * (sectionpdata[i][j]);*/
143
      /*      Lcount++;
Tilman Steinweg's avatar
Tilman Steinweg committed
144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166
      }
} */

/*RMS=sqrt(RMS/Lcount);*/
RMS=1.0;

/* calculate weighted data residuals and reverse time direction */
/* calculate kind of "energy" */

/* calculate envelope and hilbert transform for LNORM==8 */	
if (LNORM==8){
	calc_envelope(intseis_sectiondata,intseis_sectiondata_envelope,ns,ntr);
	calc_envelope(intseis_section,intseis_section_envelope,ns,ntr);	
	calc_hilbert(intseis_section,intseis_section_hilbert,ns,ntr);
	for(i=1;i<=ntr;i++){
		for(j=1;j<=ns;j++){
			dummy_1[i][j] = (intseis_section_envelope[i][j] - intseis_sectiondata_envelope[i][j]) / (intseis_section_envelope[i][j]+WATERLEVEL_LNORM8) * intseis_section_hilbert[i][j];
			}
	}
	calc_hilbert(dummy_1,dummy_2,ns,ntr);
}
/* end of calculate envelope and hilbert transform for LNORM==8 */

167 168 169
for(i=1;i<=ntr;i++){
	if((TRKILL==1)&&(kill_vector[i]==1))
	continue;
Tilman Steinweg's avatar
Tilman Steinweg committed
170 171
	
	if ((LNORM==5) || (LNORM==7)){
172
		abs_sectiondata=0.0;
Tilman Steinweg's avatar
Tilman Steinweg committed
173 174 175 176 177 178 179 180 181 182 183 184 185
		abs_section=0.0;
		sectiondata_mult_section=0.0;
	
		for(j=1;j<=ns;j++){
			abs_sectiondata+=intseis_sectiondata[i][j]*intseis_sectiondata[i][j];
			abs_section+=intseis_section[i][j]*intseis_section[i][j];
			sectiondata_mult_section+=intseis_sectiondata[i][j]*intseis_section[i][j]; /* calculation of dot product for measured (section) and synthetic (sectiondata) data*/
		}
		abs_sectiondata=sqrt(abs_sectiondata);
		abs_section=sqrt(abs_section);
	}
	/* calculate residual seismograms and norm */	
	
186 187
	if((TRKILL==1)&&(kill_vector[i]==1))
	continue;
Tilman Steinweg's avatar
Tilman Steinweg committed
188 189 190 191 192

	/*reverse time direction */
	invtime=ns;	
	
	for(j=1;j<=ns;j++){
193 194 195
		/*printf("%d \t %d \t %e \t %e \n",i,j,sectionpdata[i][j],sectionp[i][j]);*/
		/* calculate L1 residuals */
		if(LNORM==1){
Tilman Steinweg's avatar
Tilman Steinweg committed
196 197 198 199 200
			if(((sectiondata[i][j]-section[i][j])/RMS)>0){signL1=1.0;}
			if(((sectiondata[i][j]-section[i][j])/RMS)<0){signL1=-1.0;}
			if(((sectiondata[i][j]-section[i][j])/RMS)==0){signL1=0.0;}
			
			sectiondiff[i][invtime]=signL1/RMS;
201 202 203 204
		}
		
		/* calculate L2 residuals */
		if(LNORM==2){
Tilman Steinweg's avatar
Tilman Steinweg committed
205
			sectiondiff[i][invtime] = intseis_section[i][j]-intseis_sectiondata[i][j];
206 207 208 209
		}
		
		/* calculate Cauchy residuals */  /* NOT UP TO DATE */
		if(LNORM==3){
Tilman Steinweg's avatar
Tilman Steinweg committed
210
			sectiondiff[i][invtime]=((sectiondata[i][j]-section[i][j])/RMS)/(1+(((sectiondata[i][j]-section[i][j])/RMS)*((sectiondata[i][j]-section[i][j])/RMS)))/RMS; 
211 212 213 214
		}
		
		/* calculate sech residuals */   /* NOT UP TO DATE */
		if(LNORM==4){
Tilman Steinweg's avatar
Tilman Steinweg committed
215
			sectiondiff[i][invtime]=(tanh((sectiondata[i][j]-section[i][j])/RMS))/RMS;
216 217 218 219
		}
		
		/* calculate LNORM 5 or LNORM 7 residuals */
		if((LNORM==5) || (LNORM==7)){
Tilman Steinweg's avatar
Tilman Steinweg committed
220
			sectiondiff[i][invtime]=((intseis_section[i][j]*sectiondata_mult_section)/(abs_section*abs_section*abs_section*abs_sectiondata)) - (intseis_sectiondata[i][j]/(abs_section*abs_sectiondata));
221 222 223 224
		}
		
		/* calculate LNORM 8 residuals */
		if (LNORM==8){
Tilman Steinweg's avatar
Tilman Steinweg committed
225
			sectiondiff[i][invtime]=intseis_section[i][j]/(intseis_section_envelope[i][j]+WATERLEVEL_LNORM8)*(intseis_section_envelope[i][j]-intseis_sectiondata_envelope[i][j])-dummy_2[i][j];
226 227 228 229 230 231
		}
		
		/*sectionpdiff[i][invtime]=sectionp[i][j];*/
		
		/* calculate norm for different LNORM */
		if((LNORM==2) && (swstestshot==1)){
Tilman Steinweg's avatar
Tilman Steinweg committed
232
			L2+=sectiondiff[i][invtime]*sectiondiff[i][invtime];
233 234 235
		}
		
		if(((LNORM==5)||(LNORM==7)) && (swstestshot==1)){
Tilman Steinweg's avatar
Tilman Steinweg committed
236
			L2-=(intseis_sectiondata[i][j]*intseis_section[i][j])/(abs_sectiondata*abs_section);
237 238 239
		}
		
		if((LNORM==8) && (swstestshot==1)){
Tilman Steinweg's avatar
Tilman Steinweg committed
240
			L2+=(intseis_section_envelope[i][invtime]-intseis_sectiondata_envelope[i][invtime]) * (intseis_section_envelope[i][invtime]-intseis_sectiondata_envelope[i][invtime]);
241 242 243
		}
		
		if((sws==2)&&(swstestshot==1)){
Tilman Steinweg's avatar
Tilman Steinweg committed
244
			L2+=fabs(sectiondiff[i][invtime])*fabs(sectiondiffold[i][j]);
245 246 247 248 249 250
		}
			
		/*L2+=sectiondiff[i][invtime];*/
		
		invtime--;          /* reverse time direction */
	}
Tilman Steinweg's avatar
Tilman Steinweg committed
251 252 253 254
}

l2=L2;

255 256 257
// taper(sectiondiff,ntr,ns);
/* printf("\n MYID = %i   IN CALC_RES: L2 = %10.12f \n",MYID,l2); */

Tilman Steinweg's avatar
Tilman Steinweg committed
258 259 260 261
/* free memory for integrated seismograms */
free_matrix(intseis_section,1,ntr,1,ns);
free_matrix(intseis_sectiondata,1,ntr,1,ns);

262 263 264
/* free memory for time windowing and trace killing */
if(TIMEWIN==1) free_vector(picked_times,1,ntr);

Tilman Steinweg's avatar
Tilman Steinweg committed
265
if(TRKILL==1){
266 267 268 269
	free_imatrix(kill_tmp,1,ntr_glob,1,nsrc_glob);
	free_ivector(kill_vector,1,ntr);
}

Tilman Steinweg's avatar
Tilman Steinweg committed
270 271 272 273 274 275 276 277 278
if(LNORM==8){
	free_matrix(intseis_sectiondata_envelope,1,ntr,1,ns);
	free_matrix(intseis_section_envelope,1,ntr,1,ns);
	free_matrix(intseis_section_hilbert,1,ntr,1,ns);
	free_matrix(dummy_1,1,ntr,1,ns);
	free_matrix(dummy_2,1,ntr,1,ns);
	}
return l2;
} /* end of function */