int main(int argc, char** argv) {
long nrh, nrl, nch, ncl;
byte** I;
byte** binary;
byte** droits;
int theta, roMax, ro;
int** tableRT;
I = LoadPGM_bmatrix("route0.pgm", &nrl, &nrh, &ncl, &nch);
binary = bmatrix(nrl, nrh, ncl, nch);
roMax = sqrt(nrh * nrh + nch * nch);
tableRT = imatrix(0, 179, 0, roMax);
droits = bmatrix(0, 179, 0, roMax);
int i, j;
for (i = nrl; i < nrh; i++) {
for (j = ncl; j < nch; j++) {
if (I[i][j] >= 180)
binary[i][j] = 255;
else
binary[i][j] = 0;
}
}
for (theta = 0; theta < 180; theta++) {
for (ro = 0; ro < roMax; ro++) {
tableRT[theta][ro] = 0;
}
}
for (theta = 0; theta < 180; theta++) {
for (i = nrl; i < nrh; i++) {
for (j = ncl; j < nch; j++) {
if (I[i][j] >= 180) {
ro = i * cos(rad(theta)) + j * sin(rad(theta));
tableRT[theta][abs(ro)]++;
}
}
}
}
int max = 0;
for (theta = 0; theta < 180; theta++) {
for (ro = 0; ro < roMax; ro++) {
if (tableRT[theta][ro] > max) {
max = tableRT[theta][ro];
}
}
}
SavePGM_bmatrix(binary, nrl, nrh, ncl, nch, "route_binary.pgm");
free_bmatrix(I, nrl, nrh, ncl, nch);
free_bmatrix(binary, nrl, nrh, ncl, nch);
return 0;
}
int main(int argc, char *argv[])
{
struct bildinfo geoinfo; /* alles zum Bildbearbeiten aus dem Header*/
struct bildattribut{
char name[128]; /* Struktur, um fuer jedes Bild die geo- */
int doy; /* zu verarbeiten */
double time;
double gamma;
double f;
double dec;
double EOT;
double lon_sun;
unsigned char headline[HDL]; /* Recordlaenge fuer "echte" Groesse */
short int **imagedata; /* matrix; msg data are assigned to imagedata */
byte **Bimagedata; /* Matrix, mfg data are assigned to Bimagedata */
};
struct bildattribut bildfolge[BILDANZ]; /* Zahl der Listenelemente: Monat = BILDANZ */
int rho_max=0; /* maximale Reflektivitaet bei Met-8 Bildern */
/* Cosinuskorrektur */
double GMT; /* Abscannzeitpunkt */
int quiet=0; /* Bildschirminformationen ? */
int accm; /* parameter for MFG GMT calculation */
int lin, col; /* Zaehlvariablen fuer Zeile und Spalte */
int n=0; /* Anzahl der verarbeiteten Bilder */
int decide; /* ausserhalb der Erde oder nicht */
double lat,lon; /* latitude and longitude in radians ! */
double corr; /* normalisierte Radianz */
double coszen; /* Cosinus des Zenitwinkels */
/* ---> SELFCALIBRATION: declarations */
/* RM May 2008: added file pointer frhomax,fstatrho */
FILE *out_image,*list,*f,*frhomax,*fstatrho;
/* RM May 2008: fper and kend1 is needed for the caclulation of the percentile */
short int *fper = NULL;
int kend1=0;
/* RM May 2008: added averaged angles used for the caclculation of the scatter angle scata */
float msza=0; /* average of the solar zenith angle over time and space within the calibration region */
float mazi=0; /* average of the solar azimuth angle over time and space within the calibration region */
float msatazi=0; /* average of the sat azimuth angle .... */
float msatzen=0; /* average of the satellite zenith angle */
float scata=0; /* the mean scattering angle */
double satazi, satzen; /* geometry of MSG, satellite zenith and azimuth */
float r2d=180.0/3.1416;
float esd; /* variable for the geometric correction of rho_max */
float dpos=0.0; /* dpos is the position of Meteosat relativ to lon=0, West is negative, East positive */
/* <--- SELFCALIBRATION declarations */
/* Dateinamen von Bildern */
char out_imagefile[160],groundpathname[128],
cloudpathname[128],bild[128],bildpathname[128];
short int **out; /* Matrix fuer die Ausgabewerte */
short int reflectivity_vector[BILDANZ];
short int min, hour;
char *cp; /* temporaere Werte */
char zeitname[4]; /* temporaerer ASCII-String der Zeit */
long zahl,anzahl;
double cloudindex ;
double db_hours_per_line; /* added in order to caclulate the timeoffset */
char *channel="MFGVIS"; /* added, currently hard wired, shoul be provided via heliosat call once the thermal irradiance is
included */
short int MFG=1; /* added, currently hard wired, should be provided via heliosat call, once the routine is successfully tested for
MFG and MSG !! */
int i,k,laenge;
char quite='\0';
short int sig_ground, sig_shadow=0; /* width of distribution of cloudfree pixels
and shaded pixels */
/* sig_shadow is zero, the shadow module will not be used, it is too slow and probably not needed if
the fuzzy logic Heliosat version is used*/
short int(temp);
float doffset=0; /* the dark/space offset of the instrument */
slope=(BYTE_MAX-BYTE_MIN)/(CLOUDI_MAX-CLOUDI_MIN);
y_intercept=BYTE_MAX-CLOUDI_MAX*slope; /* DEFINE */
*out_imagefile = '\0';
for(i = 0;i <= BILDANZ;i++){*bildfolge[i].name = '\0';}
/*** optionale Argumente von der command line lesen... ***/
if (argc<4) /* wenn nicht mindestens zwei opt.Parameter.. */
exit_print_usage(); /* .. dann schliesse das Programm */
for (i=1; i<argc; i++) /* fuer alle Argumente.. */
{
cp=argv[i];
if (*cp!='-' && *cp!='/') /* pruefe ob Argument mit '-' oder '/' beginnt */
{
fprintf(stderr,"bodenalbedo: no option specified (%s)\n",cp);
exit_print_usage();
}
cp++;
if (*(cp+1)) /* pruefe ob an uebernaechster Stelle ein Blank */
{
fprintf(stderr,"bodenalbedo: missing blank. Usage: -%c <arg>\n",*cp);
exit(1);
}
*cp=(char) tolower((int) *cp); /* es wird nicht zwischen Klein- und *
* Grossschreibung unterschieden */
if (*cp=='l') list=fopen(argv[++i],"rt");
else if (*cp=='b') strcpy(bildpathname,argv[++i]);
else if (*cp=='c') strcpy(cloudpathname,argv[++i]);
else if (*cp=='g') strcpy(groundpathname,argv[++i]);
/* ---> SELFCALIBRATION dpos instead of sig_ground !!! */
else if (*cp=='s') dpos=atof(argv[++i]); /*dpos instead of sig_ground, see program header for details */
else if (*cp=='z') MFG=atoi(argv[++i]);
/* MFG instead of sig_shadow MFG=1: MFG data expected MFG=0: MSG data */
else if (*cp=='q') quite='q';
else {
fprintf(stderr,"bodenalbedo: unknown option: %s\n",cp);
exit_print_usage();
}
}
if (dpos != 0.0)
{printf("Meteosat position not at longitude=0 ! Please check -s in the heliosat call & set it to 0 if Met is at lon=0 \n");}
if(MFG==1)
{printf("assume MFG image data as input !! \n please check if you realy use MFG: -z has to be 0 for MSG \n");}
else{
printf("assume MSG image data as input !! \n please check if you realy use MSG: -z has to be 1 for MFG \n");
}
/* oeffnen aller Dateien, die in Liste stehen, Header auswerten, Matrizen zuweisen */
zahl=0;
while(!feof(list) && anzahl < BILDANZ )
/* CaP - inserting the limit of BILDANZ to avoid coredumps*/
/* || anzahl < BILDANZ ) */
{
anzahl=zahl;
fscanf(list,"%s\r",bildfolge[anzahl].name);
strcpy(bild,bildpathname);
strcat(bild,"/");
strcat(bild,bildfolge[anzahl].name);
if(!quite)printf("%d %s\n",anzahl,bild);
read_xpif_header(HDL,bild,&bildfolge[anzahl].headline[0]); /* store header for output XPIF-images */
if(HDL==256)
{
bildfolge[anzahl].headline[11]=(unsigned char) 0; /* no additional headers wanted ! */
}
if (MFG==1)
{
bildfolge[anzahl].Bimagedata=read_xpif_to_Bmatrix(HDL,bild,&geoinfo);
bildfolge[anzahl].imagedata=smatrix(0,geoinfo.nrlines-1,0,geoinfo.nrcolumns-1);
/* RM 17.07.09: dark offset and snanning time is different for MFG and MSG */
db_hours_per_line=(25./geoinfo.nrlines/60.);
doffset=4.5*4;
for (lin = 0;lin < geoinfo.nrlines;lin++) { /* change type and rotate the image, afterwards free bmatrix */
for(col = 0;col < geoinfo.nrcolumns;col++){
/* temp=(short int)bildfolge[anzahl].Bimagedata[geoinfo.nrlines-lin-1][geoinfo.nrcolumns-col-1]; */
/* correct if old openMTP converter is used */
bildfolge[anzahl].imagedata[lin][col]=4*(short int)bildfolge[anzahl].Bimagedata[geoinfo.nrlines-lin-1][geoinfo.nrcolumns-col-1];
/* correct if new openMTP to XPIF converter is used */
/* bildfolge[anzahl].imagedata[lin][col]=4*(short int)bildfolge[anzahl].Bimagedata[lin][col]; */
/* multiplication with factor 4 needed in order to have only one BYTE MAX definition */
/* (short int)bildfolge[anzahl].Bimagedata[lin][col]; */
/* (short int)bildfolge[anzahl].Bimagedata[geoinfo.nrlines-lin-1][geoinfo.nrcolumns-col-1]; */
/* printf("i,j,temp= %d %d %d",lin, col, temp); */
}
}
free_bmatrix(bildfolge[anzahl].Bimagedata,0,geoinfo.nrlines-1,0,geoinfo.nrcolumns-1);
/* bildfolge[anzahl].Bimagedata=read_xpif_to_Bmatrix(HDL,bild,&geoinfo); */
}
else{
bildfolge[anzahl].imagedata=read_xpif_to_matrix(HDL,bild,&geoinfo);
db_hours_per_line=(12./geoinfo.nrlines/60.);
doffset=51;
}
printf("Iam here 1 %d %d \n",geoinfo.nrlines, geoinfo.nrcolumns);
bildfolge[anzahl].doy=geoinfo.doy;
hour=geoinfo.aq_time /100;
min=fmod(geoinfo.aq_time,100);
bildfolge[anzahl].time=hour+min/60.0;
bildfolge[anzahl].EOT=equation_of_time(bildfolge[anzahl].doy,&bildfolge[anzahl].gamma,&bildfolge[anzahl].f,&bildfolge[anzahl].dec);
zahl++;
}
n=anzahl;
printf ("n= %d \n",n);
/* printf("doy is %04d %04d \n",geoinfo.doy, geoinfo.aq_time );
printf("nrs is %d %d %d %d \n",geoinfo.nrlines,geoinfo.nrcolbig,geoinfo.nrcolumns, geoinfo.nrlines );
printf("nrs is %d %d %d %d \n",geoinfo.line_off,geoinfo.col_off,geoinfo.nav_lres, geoinfo.nav_cres ); */
/* orig out=smatrix(0,geoinfo.nrlines-1,0,geoinfo.nrcolbig-1); RM 24.02->*/
out=smatrix(0,geoinfo.nrlines-1,0,geoinfo.nrcolumns-1);
/*** Normalize images ---------------------------------------- ***/
/* allocate memory for fper 42610*/
/* fper = malloc(45000 * (n+1) * sizeof(short int));
if(fper == NULL)
{
fprintf(stderr, "not enough memory for array fper, needed for automatic calibration \n");
exit;
} */
/* CaP - allocating only 2 bytes for now. Using realloc later in the loop below (line 719).
The former memory allocation (previous line) causes severe memory errors and
program crashes */
/* --> SELFCALIBRATION: initial allocation of field needed for the percentiles */
fper = malloc(sizeof(short int));
/* <-- */
printf("Iam here 2 \n");
accm=0;
for (lin = 0;lin < geoinfo.nrlines;lin++) /* fuer alle Zeilen */
{
/* 12.10.09 included new lines for the calculation of GMT. Now MFG and MSg can be processed */
/* old, orig for MSG GMT=bildfolge[anzahl].time+timeoffset(geoinfo.nav_lres,geoinfo.line_off,lin,15); */
/* GMT : Abscannzeitpunkt dieser Zeile bestimmen */
/* 17.07.09 fixed GMT bug, accm needed to consider that two subsequent lines are scanned in || */
accm=accm+abs((lin-1)%2);
GMT=bildfolge[anzahl].time+(double)lin*db_hours_per_line;
/* printf("now here vv \n");*/
if ((strcmp(channel,"MFGVIS")==0) && MFG==1)
{ /* CaP 29.04.2009 - in the vis imagery adjacent lines are scanned in couples */
GMT=bildfolge[anzahl].time+(double)(accm-1)*db_hours_per_line;
/* printf("GMT,accm= %f %d \n",GMT ,accm); */
}
/* orig GMT=bildfolge[anzahl].time+timeoffset(geoinfo.nav_lres,geoinfo.line_off,lin,15); */
/* GMT=bildfolge[anzahl].time+timeoffset(geoinfo.nav_lres,geoinfo.line_off,lin,15); */
for (k = 0 ;k <= n;k++) /* fuer alle Bilder */
{
/* fuer Abscannzeit dieser Zeile und jeden Tag den Sonnenstand bestimmen */
bildfolge[k].lon_sun=(12.0-GMT-(bildfolge[k].EOT/60.0))*15*(PI/180.0);
}
/* printf("ere re re %d \n",k); */
for(col = 0;col < geoinfo.nrcolumns;col++) /* fuer alle Spalten */
{
if(MFG==1){
decide=geoloc(lin,col,geoinfo.nrlines,&lat,&lon);
}
else{
decide=geomsg(geoinfo.nav_cres,geoinfo.nav_lres,geoinfo.col_off,geoinfo.line_off,lin,col,&lat,&lon);
}
/* if (decide == 0){
printf("the geoloc i,j,lat,lon %d %d %f %f \n", lin, col,lat*180/pi,lon*180/pi);
} */
/* orig decide=geomsg(geoinfo.nav_cres,geoinfo.nav_lres,geoinfo.col_off,geoinfo.line_off,lin,col,&lat,&lon); */
/* ---> SELFCALIBRATION: calculation of additional angles */
/* RM Jul 2008: added equations for the calculation of satellite zenith and azimuth
!! it is assumed that the satellite is at lat=lon=0
h=42164.0 height of geostationary Satellite */
satazi = atan(sin(lon-dpos/r2d)/tan(lat)); /* rm 072008 modified formular, covers all positions of Meteosat now */
/* old satzen = fabs(atan(sin(lat) * h/(cos(lat) * h - R_E))); */
satzen=90/r2d-atan((cos(dpos/r2d-lon)*cos(lat)-0.1512)/sqrt(1-pow(cos(dpos/r2d-lon),2)*pow(cos(lat),2))); /* <--- SELFCALIBRATION: calculation of additional angles */
if (decide==0)
{
for(k = 0 ;k <= n;k++) /* fuer alle Bilder */
{
corr=0;
coszen=cos_zenit(lat,lon,bildfolge[k].dec,bildfolge[k].lon_sun);
if(coszen>0.02)
corr = (int)((bildfolge[k].imagedata[lin][col]-doffset)/coszen); /* orig 51 instead of doffset */
corr = mini(corr,BYTE_MAX);
corr = maxi(corr,BYTE_MIN);
bildfolge[k].imagedata[lin][col] = corr;
/* RM 20.11.07: automatic calculation of rho_max starts, sort vector content according
to the value, in ascending order using heapsort, Numerical Recipies in C
the 95 percentil * 1.1 is than the desired rhomax value */
/* ---> SELFCALIBRATION: Calculate the percentile and additional angles
needed for the calculation of the scatter angle */
if(lat > -0.92 && lat < -0.8 && lon < (-0.01 + dpos/r2d) && lon > (-0.262+dpos/r2d)) /* -0.436*/
/* RM 072008: added +dpos in order to shift the reference region for Meteosat-East
dpos=position of Meteosat relative to lon=0 in degree, west is negative */
{
fper[kend1]=(short int)bildfolge[k].imagedata[lin][col]; /* assign values within region to fper */
kend1=kend1+1;
/* calculate the mean angles as basis for the caclulation of the scatter angle,
needed for the geometric correction of rhomax */
fper = realloc(fper,(kend1+1)*sizeof(short int));
msza=((kend1-1)*msza+acos(coszen))/kend1;
mazi=((kend1-1)*mazi+azimuth(lat,lon,bildfolge[k].dec,acos(coszen),bildfolge[k].lon_sun))/kend1;
msatazi=((kend1-1)*msatazi+satazi)/kend1;
msatzen=((kend1-1)*msatzen+satzen)/kend1;
}
/* <--- end of SELFCALIBRATION: Calculate the percentile and additional angles
needed for the calculation of the scatter angle */
}
}
if (decide==1){
out[lin][col] = (int) 0;
for(k=1;k<=n;k++){
/* if(geoinfo.nrlines<200){doffset=doffset+ bildfolge[15].imagedata[lin][col];} */
bildfolge[k].imagedata[lin][col] = 0;
}
}
}
}
printf("doffset= %f \n", doffset);
printf("now I am here \n");
/* ---> SELFCALIBRATION: sorting the fper field and assignment of the percentiles */
heapsort(kend1, fper); /* order the counts */
int p1=(int)(0.1*(kend1+1));
int p3=(int)(0.3*(kend1+1));
int p5=(int)(0.5*(kend1+1));
int p7=(int)(0.7*(kend1+1));
int p8=(int)(0.8*(kend1+1));
int p9=(int)(0.9*(kend1+1));
int pm=(int)(0.95*(kend1+1));
/* <--- SELFCALIBRATION: sorting the fper field and assignment of the percentiles */
/* ---> SELFCALIBRATION: empirical correction of anisotropy for rho_max */
/* RM 28.05.08 empirical correction for scatter angle effect, so far formula only proven for 3 - 33 degree,
RM 30.07.08 implemented new formula, correction works from 3-70 degree (scata), but probably only for
the reference regions and not everywhere, above scattering angle of 32 the uncertainty of
the geometric corrections is significnat higher */
scata=scatt_angle(msza, mazi, msatzen, msatazi);
/* added new correction for rho_max, seems that the dominant effect comes from the
sza dependent change of the cloud albedo, the clouds seems to reflect pretty well
isotropic for a given SZA and rel AZA lower than 60 degree
the correction formula results from a linear fit (gnuplot) applied to a
2.5 year time series for all slots with SZA>60 */
if (msza*r2d > 80.0 && msza*r2d <0.0) esd=1.0; /* gcor =1 for SZA>80 and <0*/
else
{esd=1+0.0017*(45.0-msza*r2d); }
/* <--- SELFCALIBRATION: empirical correction of anisotropic cloud reflection for rho_max */
/* ---> SELFCALIBRATION: Open and write the output files for information related to the
self calibration approach */
fstatrho=fopen("rhostat.out","a") ;
fprintf(fstatrho, "# kend1= %d doy= %d hour= %d min = %d \n",kend1,geoinfo.doy, hour,min);
fprintf(fstatrho, " gcor= %f msza= %f mazi= %f satazi= %f satzen= %f scattangle= %f rhomax %f pm= %d \n", esd, msza*r2d, (mazi)*r2d, msatazi*r2d, msatzen*r2d, scata*r2d, fper[pm]*esd*1.1, fper[pm]);
fprintf(fstatrho, "# ESD= %f rho(10,30,50,70,80,90,95)= %d %d %d %d %d %d %d rhomax %f \n",esd,fper[p1],fper[p3],fper[p5],fper[p7], fper[p8],fper[p9],fper[pm], fper[pm]*esd*1.1);
if (hour==13 && min==0)
{
frhomax=fopen("rhomax.out","w"); /* RM 072008 changed r+ to w, r+ does not work properly on my machine */
rho_max=fper[pm]*esd*1.1;
fprintf(frhomax, "%d \n", rho_max);
fprintf(fstatrho,"## The noon rho_may is %d \n",rho_max );
fclose(frhomax);
}
else
{
/* if((frhomax=fopen("rhomax.out","r")) == NULL) */
if(file_exists("rhomax.out"))
{
frhomax=fopen("rhomax.out","r");
fscanf(frhomax, "%d", &rho_max);
fprintf(fstatrho,"# Use noon rhomax from rhomax.out %d \n",rho_max );
printf("Use noon rhomax from rhomax,out %d \n",rho_max );
fclose(frhomax);
}
else
{
fprintf(fstatrho,"# WARNING Cannot open rhomax file, hence instead of the noon rhomax that of the actual slot is used,which might lead to higher uncertainty.\n");
rho_max=(int)fper[pm]*esd*1.1;
fprintf(fstatrho,"# Use rhomax of actual slot %d \n",rho_max );
/*fclose(frhomax);*/
}
}
sig_ground=(short int)(0.035 * rho_max);
fprintf(fstatrho,"# sig_ground =%d \n \n",sig_ground );
fclose(fstatrho);
free(fper);
/* <--- SELFCALIBRATION: Open and write the output files for information related to the
self calibration approach */
printf("Finished normalizing images and automatic calibration \n");
/*
* Grundalbedo and Cloud Index ----------------------------------------
*/
for (lin = 0;lin < geoinfo.nrlines;lin++) /* fuer alle Pixel (Zeilen ... */
{
for(col = 0; col < geoinfo.nrcolumns; col++) /* ... und Spalten) */
{
for(k = 0; k<=n; k++)
{
/* copy all values to a vector, from these values ground albedo will de determined
reflectivity_vector contains all reflectivity values for one location */
reflectivity_vector[k]=bildfolge[k].imagedata[lin][col]/bildfolge[k].f;
/* /f correct for earth sun-distance **/
}
/* calculation of ground albedo:
out[lin][col]contains ground albedo
reflectivity_vector contains cloud index values */
out[lin][col]=groundreflectivity_and_cloudindex(&reflectivity_vector[0], n, sig_ground, sig_shadow, rho_max);
for(k = 0; k<=n; k++)
{
/* copy all cloud index values from vector back to matrix */
bildfolge[k].imagedata[lin][col]=reflectivity_vector[k];
}
}
}
/***********************************************************************
* Ausgeben aller Bilder und Freisetzung des Speicherplatzes...
***********************************************************************/
/* Bodenalbedonamen zusammensetzen */
/* RM changed the naming of the reflectance files, mothly means for every slot are calculated and has to be saved,
with the old naming they are overriden */
strcpy(out_imagefile,groundpathname);
strcat(out_imagefile,"/");
sprintf(zeitname,"%04d",geoinfo.aq_time);
strncat(out_imagefile,bildfolge[1].name,6); /* added string for year and month */
/*strncat(out_imagefile,zeitname,4);*/
strcat(out_imagefile,zeitname);
/* printf("out_imagefile = %s bildfolge.name= %s\n",out_imagefile, bildfolge[1].name); */
if(HDL==256)strcat(out_imagefile,"hhmm.REF");
if(HDL==260)strcat(out_imagefile,"hhmm.REF.X260");
/* Grundalbedo speichern */
printf("nrbytes= %d",geoinfo.nrbytes) ;
if (!(out_image=fopen(out_imagefile,"wb")))
exit_no_write(out_imagefile);
if (MFG==1)
{geoinfo.nrbytes=geoinfo.nrbytes*2;} /* dangerous, only for testing */
fwrite(&bildfolge[1].headline[0],HDL,1,out_image);
/* orig fwrite(&out[0][0],geoinfo.nrcolbig*geoinfo.nrlines*(long)geoinfo.nrbytes,1,out_image);
fclose(out_image);
free_smatrix(out,0,geoinfo.nrlines-1,0,geoinfo.nrcolbig-1); */
fwrite(&out[0][0],geoinfo.nrcolumns*geoinfo.nrlines*(long)geoinfo.nrbytes,1,out_image);
fclose(out_image);
free_smatrix(out,0,geoinfo.nrlines-1,0,geoinfo.nrcolumns-1);
for(k=0;k<=n;k++)
{
strcpy(out_imagefile,cloudpathname);
strcat(out_imagefile,"/");
strncat(out_imagefile,bildfolge[k].name,strlen(bildfolge[k].name)-4);
if(HDL==256)strcat(out_imagefile,"CI.XPIF");
if(HDL==260)strcat(out_imagefile,"CI.X260");
if (!(out_image=fopen(out_imagefile,"wb")))
exit_no_write(out_imagefile);
fwrite(&bildfolge[k].headline[0],HDL,1,out_image);
/* orig
fwrite(&bildfolge[k].imagedata[0][0],geoinfo.nrcolbig*geoinfo.nrlines*(long)geoinfo.nrbytes,1,out_image); */
/* memcpy(void *dest, const void *src, size_t n);*/
bildfolge[k].Bimagedata=bmatrix(0,geoinfo.nrlines-1,0,geoinfo.nrcolumns-1);
for (lin = 0;lin < geoinfo.nrlines;lin++) {
for(col = 0;col < geoinfo.nrcolumns;col++){
bildfolge[k].Bimagedata[lin][col]=(byte)(bildfolge[k].imagedata[lin][col]/4);
}
}
fwrite(&bildfolge[k].Bimagedata[0][0],geoinfo.nrcolumns*geoinfo.nrlines,1,out_image);
free_bmatrix(bildfolge[k].Bimagedata,0,geoinfo.nrlines-1,0,geoinfo.nrcolumns-1);
fclose(out_image);
free_smatrix(bildfolge[k].imagedata,0,geoinfo.nrlines-1,0,geoinfo.nrcolumns-1); /* orig geoinfo.nrcolbig-1 */
}
return(0);
}