Exemple #1
0
int dsel(struct dirent *dp) {
#else 
int dsel(const struct dirent *dp) {
#endif
  if (dp->d_name[0]=='.') return 0;
  return 1;
}

int test_file_epoch(char *fname,double stime,double etime) {
  long yr,mo,dy,hr,mt,sc,ms;
  double fstime=0,fetime=0;
  int max=0;  
  CDFid id;
  CDFstatus status;
  double *dptr;
  char *varlist[]={"Epoch",NULL};


  status=CDFopen(fname,&id);
  if (status !=CDF_OK) return -1;

  
  max=RCDFMaxRecR(id,varlist[0]);
  if (max>0) {
     status=RCDFReadR(id,0,varlist,data);
     dptr=(double *) data[0].data;
     EPOCHbreakdown(dptr[0],&yr,&mo,&dy,&hr,&mt,&sc,&ms); 
     fstime=TimeYMDHMSToEpoch(yr,mo,dy,hr,mt,sc+(ms/1000.0));
     status=RCDFReadR(id,max-1,varlist,data);
     dptr=(double *) data[0].data;
     EPOCHbreakdown(dptr[0],&yr,&mo,&dy,&hr,&mt,&sc,&ms); 
     fetime=TimeYMDHMSToEpoch(yr,mo,dy,hr,mt,sc+(ms/1000.0));
  }
  max=RCDFMaxRecZ(id,varlist[0]);
  if (max>0) {
     status=RCDFReadZ(id,0,varlist,data);
     dptr=(double *) data[0].data;
     EPOCHbreakdown(dptr[0],&yr,&mo,&dy,&hr,&mt,&sc,&ms); 
     fstime=TimeYMDHMSToEpoch(yr,mo,dy,hr,mt,sc+(ms/1000.0));
     status=RCDFReadZ(id,max-1,varlist,data);
     dptr=(double *) data[0].data;
     EPOCHbreakdown(dptr[0],&yr,&mo,&dy,&hr,&mt,&sc,&ms); 
     fetime=TimeYMDHMSToEpoch(yr,mo,dy,hr,mt,sc+(ms/1000.0));
  }
  CDFclose(&id);

  if (stime>fetime) return 0;
  if (etime<fstime) return 0;
  return 1;
}
Exemple #2
0
int impmag_pos(CDFid id,struct posdata *ptr,double stime,double etime) {
  long yr,mo,dy,hr,mt,sc,ms;
  double rtime;
  int i,cnt=0;
  char *varlist[]={"Epoch","SC_pos_sm","SC_pos_se",0,NULL};
  struct RCDFData *data=NULL;
  int max;
  int rmax;
  int status;

  double *dptr;
  float *fptr;

  strcpy(ptr->sat,"i8");
  strcpy(ptr->ins,"mag");

  cnt=ptr->cnt;
  rmax=RCDFMaxRecR(id,varlist[0]);
  max=cnt+rmax;   

  if (max==0) return -1;
  data=RCDFMake(3);

  if (ptr->time==NULL) ptr->time=malloc(sizeof(double)*max);
  else ptr->time=realloc(ptr->time,sizeof(double)*max);

  if (ptr->PGSM==NULL) ptr->PGSM=malloc(3*sizeof(float)*max);
  else ptr->PGSM=realloc(ptr->PGSM,3*sizeof(float)*max);

  if (ptr->PGSE==NULL) ptr->PGSE=malloc(3*sizeof(float)*max);
  else ptr->PGSE=realloc(ptr->PGSE,3*sizeof(float)*max);

  for (i=0;i<rmax;i++) {
    status=RCDFReadR(id,i,varlist,data);
    
    if (status==0) {
       dptr=(double *) data[0].data;
       EPOCHbreakdown(dptr[0],&yr,&mo,&dy,&hr,&mt,&sc,&ms); 
      
       rtime=TimeYMDHMSToEpoch(yr,mo,dy,hr,mt,sc+(ms/1000.0));
       if (rtime<stime) continue;
       if (rtime>etime) break;
       ptr->time[cnt]=rtime;

      
       fptr=(float *) data[1].data;
       ptr->PGSM[cnt*3]=fptr[0]/6370.0;
       ptr->PGSM[cnt*3+1]=fptr[1]/6370.0;
       ptr->PGSM[cnt*3+2]=fptr[2]/6370.0;
       fptr=(float *) data[2].data;
       ptr->PGSE[cnt*3]=fptr[0]/6370.0;
       ptr->PGSE[cnt*3+1]=fptr[1]/6370.0;
       ptr->PGSE[cnt*3+2]=fptr[1]/6370.0;
       cnt++;
    }
  }
  RCDFFree(data,3);
  ptr->cnt=cnt;
  return 0;
}
Exemple #3
0
int acemfi_imf(CDFid id,struct imfdata *ptr,double stime,double etime,
               int cnv) {
  long  yr,mo,dy,hr,mt,sc,ms;
  double rtime;
  int i,cnt=0;
  char *varlist[]={"Epoch","BGSEc","BGSM",NULL};
  struct RCDFData *data=NULL;

  int max;
  int rmax;
  int status;

  double *dptr;
  float *fptr;
  
  double gsex,gsey,gsez;
  double gsmx,gsmy,gsmz;
  

  if (cnv==1) varlist[2]=NULL;

  strcpy(ptr->sat,"ac");
  strcpy(ptr->ins,"mfi");

  cnt=ptr->cnt;
  rmax=RCDFMaxRecR(id,varlist[0]);
  max=cnt+rmax;

  if (rmax==0) return -1;

  data=RCDFMake(3);


  if (ptr->time==NULL) ptr->time=malloc(sizeof(double)*max);
  else ptr->time=realloc(ptr->time,sizeof(double)*max);

  if (ptr->BGSMc==NULL) ptr->BGSMc=malloc(3*sizeof(float)*max);
  else ptr->BGSMc=realloc(ptr->BGSMc,3*sizeof(float)*max);

  if (ptr->BGSEc==NULL) ptr->BGSEc=malloc(3*sizeof(float)*max);
  else ptr->BGSEc=realloc(ptr->BGSEc,3*sizeof(float)*max);

  for (i=0;i<rmax;i++) {
    status=RCDFReadR(id,i,varlist,data);
    if (status==0) {
       dptr=(double *) data[0].data;
       EPOCHbreakdown(dptr[0],&yr,&mo,&dy,&hr,&mt,&sc,&ms); 
       rtime=TimeYMDHMSToEpoch(yr,mo,dy,hr,mt,sc+(ms/1000.0));
       if (rtime<stime) continue;
       if (rtime>etime) break;
       ptr->time[cnt]=rtime;
       fptr=(float *) data[1].data;
          
       ptr->BGSEc[cnt*3]=fptr[0];
       ptr->BGSEc[cnt*3+1]=fptr[1];
       ptr->BGSEc[cnt*3+2]=fptr[2];

       if (cnv==1) {
         gsex=fptr[0];
         gsey=fptr[1];
         gsez=fptr[2];

         GeoPackRecalc(yr,mo,dy,hr,mt,(sc+1.0*ms/1000.0));
         GeoPackGseGsm(gsex,gsey,gsez,&gsmx,&gsmy,&gsmz);

         ptr->BGSMc[cnt*3]=gsmx;
         ptr->BGSMc[cnt*3+1]=gsmy;
         ptr->BGSMc[cnt*3+2]=gsmz;
       } else {
         fptr=(float *) data[2].data;
         ptr->BGSMc[cnt*3]=fptr[0];
         ptr->BGSMc[cnt*3+1]=fptr[1];
         ptr->BGSMc[cnt*3+2]=fptr[2];
       }
       cnt++;
    }
  }

  RCDFFree(data,3); 
  ptr->cnt=cnt;
  return 0;
}
Exemple #4
0
int windswe_plasma(CDFid id,struct plasmadata *ptr,double stime,double etime) {
  long yr,mo,dy,hr,mt,sc,ms;
  double rtime;
  int i,cnt=0;
  char *varlist[]={"Epoch","V_GSM","V_GSE","THERMAL_SPD","Np",NULL};
  struct RCDFData *data=NULL;

  int max;
  int rmax;
  int status;

  double *dptr;
  float *fptr;
  float Mp=1.6e-27;
  float Vx;
  int pcnt=0;

  strcpy(ptr->sat,"we");
  strcpy(ptr->ins,"swe");

  cnt=ptr->cnt;
  rmax=RCDFMaxRecR(id,varlist[0]);
  max=cnt+rmax;     

  if (rmax==0) return -1;
  data=RCDFMake(5);


  if (ptr->time==NULL) ptr->time=malloc(sizeof(double)*max);
  else ptr->time=realloc(ptr->time,sizeof(double)*max);

  if (ptr->VGSM==NULL) ptr->VGSM=malloc(3*sizeof(float)*max);
  else ptr->VGSM=realloc(ptr->VGSM,3*sizeof(float)*max);

  if (ptr->VGSE==NULL) ptr->VGSE=malloc(3*sizeof(float)*max);
  else ptr->VGSE=realloc(ptr->VGSE,3*sizeof(float)*max);

  if (ptr->vth==NULL) ptr->vth=malloc(sizeof(float)*max);
  else ptr->vth=realloc(ptr->vth,sizeof(float)*max);

  if (ptr->den==NULL) ptr->den=malloc(sizeof(float)*max);
  else ptr->den=realloc(ptr->den,sizeof(float)*max);

 if (ptr->pre==NULL) ptr->pre=malloc(sizeof(float)*max);
  else ptr->pre=realloc(ptr->pre,sizeof(float)*max);


  for (i=0;i<rmax;i++) {
  
    status=RCDFReadR(id,i,varlist,data);
    
    if (status==0) {
       dptr=(double *) data[0].data;
       EPOCHbreakdown(dptr[0],&yr,&mo,&dy,&hr,&mt,&sc,&ms); 
       rtime=TimeYMDHMSToEpoch(yr,mo,dy,hr,mt,sc+(ms/1000.0));
       if (rtime<stime) continue;
       if (rtime>etime) break;

       ptr->time[cnt]=rtime;
       fptr=(float *) data[1].data;
       ptr->VGSM[cnt*3]=fptr[0];
       ptr->VGSM[cnt*3+1]=fptr[1];
       ptr->VGSM[cnt*3+2]=fptr[2];
       fptr=(float *) data[2].data;
       ptr->VGSE[cnt*3]=fptr[0];
       ptr->VGSE[cnt*3+1]=fptr[1];
       ptr->VGSE[cnt*3+2]=fptr[2];
       fptr=(float *) data[3].data;
       ptr->vth[cnt]=fptr[0];
       fptr=(float *) data[4].data;
       ptr->den[cnt]=fptr[0];
       
       Vx=ptr->VGSM[3*cnt];
       if ((ptr->den[cnt]>0) && (Vx > -10000)) {
          ptr->pre[cnt]=(ptr->den[cnt]*Mp*1e6)*
                     fabs(Vx*1e3)*fabs(Vx*1e3)*1e9;
          pcnt++;
       } else ptr->pre[cnt]=ptr->den[cnt];
       

       
       cnt++;
    }
  }
  if (pcnt==0) memset(ptr->pre,0,sizeof(float)*cnt);


  ptr->cnt=cnt;
  return 0;
}