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UMerge_dynamo.tar
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UMerge_dynamo.tar
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UMerge_dynamo/ 0000775 0001750 0001750 00000000000 13436251437 013227 5 ustar elyons elyons UMerge_dynamo/Makefile 0000644 0001750 0001750 00000000674 13434622752 014674 0 ustar elyons elyons SOURCES.c= run_UMerge.c UMerge_dynamo.c
$(CC)=gcc
CFLAGS=-Wall -g -I/usr/local/netcdf/include -I/usr/local/libconfig/include -I/usr/include/libxml2
LDFLAGS=-L/usr/local/netcdf/lib -L/usr/local/libconfig/lib -lnetcdf -lconfig -lm -lxml2
PROGRAM=UMerge_dynamo
OBJECTS= $(SOURCES.c:.c=.o)
$(PROGRAM): $(INCLUDES) $(OBJECTS)
$(LINK.c) -o $@ $(OBJECTS) $(LDFLAGS)
clean:
rm -f $(PROGRAM) $(OBJECTS)
install: all
@echo "nothing to install"
UMerge_dynamo/run_UMerge.c 0000644 0001750 0001750 00000005775 13436245115 015453 0 ustar elyons elyons #include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <time.h>
#include <argp.h>
#include <math.h>
#include <sys/resource.h>
char commandline[]= "UMerge [input_filename0] ... [input_filename_n]";
static struct argp_option options[] = {
{"configfile", 'c', "configuration_file", 0, "Specify name of configuration file"},
{ 0 }
};
#define MAX_NAME 1024
struct arguments{
char config_filename[MAX_NAME];
char** inputfns;
char* firstfn;
int nargs;
};
static error_t parse_opt(int key, char *arg, struct argp_state *state){
struct arguments *arguments = state->input;
switch(key){
case 'c':
if (arg[0] != '-')
strncpy(arguments->config_filename,arg,MAX_NAME);
else {
printf("arguments should not begin with a - sign. Exiting...\n");
exit(0);
}
break;
case ARGP_KEY_ARG:
arguments->firstfn = arg;
arguments->nargs = state->argc - state->next;
arguments->inputfns = &state->argv[state->next];
state->next = state->argc;
break;
case ARGP_KEY_END:
if(state->arg_num<1)
argp_usage(state);
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
static struct argp argp = {options,parse_opt,"$Id: UMerge_dynamo.c,v 1.0 2019-02-27 13:54:45 elyons Exp $"};
int main(int argc, char* argv[])
{
struct arguments arguments;
arguments.config_filename[0] = '\0';
argp_parse(&argp,argc,argv,0,0,&arguments);
/*locate and verify the config file*/
if (arguments.config_filename[0] == '\0') {
printf("Please specify config file with -c option. exiting...\n");
exit(0);
}
printf("config_filename: %s\n", arguments.config_filename);
if(argc == 1) {
printf("Usage: %s\n", commandline);
exit(-1);
}
const rlim_t sSz = 64L * 1024L * 1024L; // min stack size = 64 Mb
struct rlimit rlim;
int stat;
stat = getrlimit(RLIMIT_STACK, &rlim);
if (stat == 0) {
if (rlim.rlim_cur < sSz) {
rlim.rlim_cur = sSz;
stat = setrlimit(RLIMIT_STACK, &rlim);
if (stat != 0) {
fprintf(stderr, "setrlimit returned result = %d\n", stat);
}
}
}
/*Function Declaration */
void UMerge(size_t count, char* config_fn, char* i_filenames[] );
int k;
//printf("firstfn: %s\n", arguments.firstfn);
//printf("inputfns: %s\n", arguments.inputfns[0]);
//printf("n elems: %d\n", arguments.nargs);
char** ifns = (char**) calloc(arguments.nargs + 1, sizeof(char*));
for (k=0; k<arguments.nargs + 1; k++) {
ifns[k] = (char*) calloc(1024, sizeof(char));
}
//char ifns[arguments.nargs + 1][1024];
sprintf(ifns[0], "%s", arguments.firstfn);
for (k=0; k<arguments.nargs; k++) {
sprintf(ifns[k+1], "%s", arguments.inputfns[k]);
}
/*
for (k=0; k<arguments.nargs + 1; k++) {
printf("k: %d ifns: %s\n", k, ifns[k]);
}
*/
/* Function call */
UMerge(arguments.nargs + 1, arguments.config_filename, ifns );
return 0;
}
UMerge_dynamo/UMerge_dynamo.c 0000644 0001750 0001750 00000076433 13436245213 016134 0 ustar elyons elyons /* $Id: UMerge.c,v 0.9 2015-10-14 11:47:01 elyons Exp $ */
/* Copyright 2015 University of Massachusetts Amherst all rights reserved*/
/* UMerge ingests a number of CASA netcdf formatted single radar moment data files in polar coordinates and grids them into a merged lat/lon grid.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <unistd.h>
#include <math.h>
#include <time.h>
#include <netcdf.h>
#include <libconfig.h>
#include <libxml/parser.h>
#include <libxml/tree.h>
void handle_error(int errid){
if(errid == NC_NOERR) return;
printf("%s\n", nc_strerror(errid));
exit(-1);
return;
};
struct latLonBrng {
double lat;
double lon;
double brng;
};
struct latLon {
double lat;
double lon;
};
double degToRad(double degs) {
double rad = 0;
rad = degs * (M_PI / 180);
return rad;
};
double radToDeg(double rads) {
double deg = 0;
deg = rads * (180 / M_PI);
return deg;
};
int vincenty(double inLat, double inLon, double inDx, double inBrng, struct latLonBrng *llb_out) {
/* WS-84 Ellipsoid */
double n1 = 6378137;
double n2 = 6356752.3142;
double n3 = 1/298.257223563;
double inBrngRad = degToRad(inBrng);
double sinBrng = sin(inBrngRad);
double cosBrng = cos(inBrngRad);
double f1 = (1-n3) * tan(degToRad(inLat));
double f2 = 1/(sqrt((1 + (f1 * f1))));
double f3 = f1 * f2;
double f4 = atan2(f1, cosBrng);
double f5 = f2 * sinBrng;
double f6 = 1 - (f5 * f5);
double f7 = f6 * (((n1 * n1) - (n2 * n2))/ (n2 * n2));
double f8 = 1 + ((f7/16384) * (4096 + (f7 * (-768 + (f7 * (320 - (175*f7)))))));
double f9 = (f7/1024) * (256 + (f7 * (-128 + (f7 * (74 - (47 * f7))))));
double f10 = inDx / (n2 * f8);
double f10a = 2 * M_PI;
double f11 = 0; double f12 = 0; double f13 = 0; double f14 = 0.0;
while (fabs(f10 - f10a) > pow(10,-12)) {
f11 = cos((2*f4) + f10);
f12 = sin(f10);
f13 = cos(f10);
f14 = f9*f12*(f11 + f9/4*(f13*(-1+2*f11*f11)-f9/6*f11*(-3+4*f12*f12)*(-3+4*f11*f11)));
f10a = f10;
f10 = (inDx / (n2 * f8)) + f14;
}
double f15 = (f3 * f12) - (f2 * f13 * cosBrng);
double outLat = atan2(((f3*f13) + (f2*f12*cosBrng)), ((1-n3) * sqrt((f5*f5) + (f15*f15))));
double f16 = atan2((f12*sinBrng), ((f2*f13) - (f3 * f12 * cosBrng)));
double f17 = n3/16*f6*(4+(n3*(4-(3*f6))));
double f18 = f16 - ((1-f17) * n3 * f5 * (f10 + (f17 * f12 * (f11 + (f17 * f13 * (-1 + (2 * f11 * f11)))))));
double outLon = fmod((degToRad(inLon) + f18 + (3 * M_PI)), (2 * M_PI)) - M_PI;
double f19 = atan2(f5, -f15);
llb_out->lat = radToDeg(outLat);
llb_out->lon = radToDeg(outLon);
llb_out->brng = radToDeg(f19);
//printf("inlat: %f, inlon: %f, inDx: %f, inBrng: %f, outlat: %f, outlon: %f outBrng: %f\n", inLat, inLon, inDx, inBrng, llb_out->lat, llb_out->lon, llb_out->brng);
return 0;
};
int inverse_vincenty(double inLat1, double inLon1, double inLat2, double inLon2, double *displacement)
{
/* WS-84 Ellipsoid */
double n1 = 6378137;
double n2 = 6356752.3142;
double n3 = 1/298.257223563;
double diffLon = degToRad(inLon2 - inLon1);
double f1 = atan(tan(degToRad(inLat1)) * (1-n3));
double sinf1 = sin(f1); double cosf1 = cos(f1);
double f2 = atan(tan(degToRad(inLat2)) * (1-n3));
double sinf2 = sin(f2); double cosf2 = cos(f2);
double f3 = diffLon;
double f3new, sinf3, cosf3, f4, f5, f6, f7, f8, f9, f10;
do {
sinf3 = sin(f3); cosf3 = cos(f3);
f4 = sqrt(((cosf2*sinf3) * (cosf2*sinf3)) + (((cosf1*sinf2)-(sinf1*cosf2*cosf3)) * ((cosf1*sinf2) - (sinf1*cosf2*cosf3))));
if (f4 == 0) {
(*displacement) = 0;
return 0;
}
f5 = (sinf1*sinf2) + (cosf1*cosf2*cosf3);
f6 = atan2(f4,f5);
f7 = (cosf1 * cosf2 * sinf3)/f4;
f8 = 1 - (f7 * f7);
f9 = f5 - ((2 * sinf1 * sinf2)/f8);
if (isnan(f9))
f9 = 0;
f10 = (n3/16)*f8*(4+(n3*(4 - 3*f8)));
f3new = f3;
f3 = diffLon + ((1-f10) * n3 * f7 * (f6 + (f10*f4*(f9+(f10*f5*(-1 + (2*f9*f9)))))));
} while (abs(f3-f3new) > 1e-12);
double f11 = (f8 * ((n1 * n1) - (n2 * n2))) / (n2 * n2);
double f12 = 1 + (f11/16384) * (4096 + (f11 * (-768 + (f11 * (320 - (175*f11))))));
double f13 = (f11/1024) * (256 + (f11 * (-128 + (f11 * (74 - (47 * f11))))));
double f14 = f13 * f4 * (f9 + (f13/4) * ((f5 * (-1 + (2 * f9 * f9))) - ((f13/6) * f9 * (-3 + (4 * f4 * f4)) * (-3 + (4 * f9 * f9)))));
double f15 = n2*f12*(f6-f14);
(*displacement) = f15;
return 0;
// optional return bearing from point 1 to point 2 for the future
// double bearingrad = atan2((cosf2*sinf3), ((cosf1*sinf2) - (sinf1*cosf2*cosf3)));
// double bearingdeg = radToDeg(bearingrad);
}
int UMerge(size_t count, char* config_fn, char* i_filenames[])
{
printf("config_fn is %s\n", config_fn);
config_t UM_config;
config_init(&UM_config);
if (!config_read_file(&UM_config, config_fn)) {
printf("config file not found or contains errors. Should be in $UMERGE directory and called umerge_config.txt. exiting...\n");
config_destroy(&UM_config);
return -1;
}
//get output directory
const char *ncdir;
if (config_lookup_string(&UM_config, "ncdir", &ncdir)) {
printf("ncdir: %s\n", ncdir);
if (strlen(ncdir) > 128)
printf("ncdir has a 128 character limit; Please enter a shorter path. Exiting...\n");
}
else {
printf("ncdir not defined. Please check config file. Exiting...\n");
exit(-1);
}
//get alg parameters from config file
//average = 0, max = 1
int routine;
if (config_lookup_int(&UM_config, "routine", &routine)) {
if (routine == 1)
printf("routine: max\n");
else {
routine = 0;
printf("routine: mean\n");
}
}
else {
printf("routine not defined in config file. Default is mean");
routine = 0;
}
//truemap off = 0, on = 1
int truemap;
if (config_lookup_int(&UM_config, "truemap", &truemap)) {
if (truemap == 1)
printf("truemap: on\n");
else {
truemap = 0;
printf("truemap: off\n");
}
}
else {
printf("truemap not defined in config file. Default is off");
truemap = 0;
}
//smoothing off = 0, on = 1
int smoothing;
//double smoothdx = 1000; //meters
int smoothvoxels=12;
if (config_lookup_int(&UM_config, "smoothing", &smoothing)) {
if (smoothing == 1)
printf("smoothing: on\n");
else {
smoothing = 0;
printf("smoothing: off\n");
}
if (!config_lookup_int(&UM_config, "smoothvoxels", &smoothvoxels)) {
printf("smoothvoxels not defined in config file. Using 12\n");
}
else
printf("smoothvoxels: %d\n", smoothvoxels);
}
else {
printf("smoothing not defined in config file. Default is off");
smoothing = 0;
}
//get grid definition from config file
double nlat, slat, wlon, elon, latspac, lonspac, minalt, maxalt, mintilt, minval, maxval;
int numlats, numlons;
if (config_lookup_float(&UM_config, "nlat", &nlat))
printf("nlat: %f\n", nlat);
else {
printf("nlat not defined. Please check config file. Exiting....\n");
exit(-1);
}
if (config_lookup_float(&UM_config, "wlon", &wlon))
printf("wlon: %f\n", wlon);
else {
printf("wlon not defined. Please check config file. Exiting....\n");
exit(-1);
}
if (config_lookup_float(&UM_config, "latspac", &latspac))
printf("latspac: %f\n", latspac);
else {
printf("latspac not defined. Please check config file. Exiting....\n");
exit(-1);
}
if (config_lookup_float(&UM_config, "lonspac", &lonspac))
printf("lonspac: %f\n", lonspac);
else {
printf("lonspac not defined. Please check config file. Exiting....\n");
exit(-1);
}
if (config_lookup_float(&UM_config, "minalt", &minalt))
printf("minalt: %f\n", minalt);
else {
printf("minalt not defined. Please check config file. Exiting....\n");
exit(-1);
}
if (config_lookup_float(&UM_config, "maxalt", &maxalt))
printf("maxalt: %f\n", maxalt);
else {
printf("maxalt not defined. Please check config file. Exiting....\n");
exit(-1);
}
if (config_lookup_float(&UM_config, "mintilt", &mintilt))
printf("mintilt: %f\n", mintilt);
else {
printf("mintilt not defined. Using 0.0 as the default\n");
mintilt = 0.0;
}
if (config_lookup_int(&UM_config, "numlats", &numlats))
printf("numlats: %d\n", numlats);
else {
printf("numlats not defined. Please check config file. Exiting....\n");
exit(-1);
}
if (config_lookup_int(&UM_config, "numlons", &numlons))
printf("numlons: %d\n", numlons);
else {
printf("numlons not defined. Please check config file. Exiting....\n");
exit(-1);
}
slat = nlat - (numlats * latspac);
elon = wlon + (numlons * lonspac);
//get name and units of variable to grid
const char *varname;
if (config_lookup_string(&UM_config, "varname", &varname))
printf("varname: %s\n", varname);
else {
printf("varname not defined. Please check config file. Exiting...\n");
exit(-1);
}
const char *units;
if (config_lookup_string(&UM_config, "units", &units))
printf("units: %s\n", units);
else {
printf("units not defined. Please check config file. Exiting...\n");
exit(-1);
}
//get min/max vals
if (config_lookup_float(&UM_config, "minval", &minval))
printf("minval: %f\n", minval);
else {
printf("minval not defined. Please check config file. Exiting....\n");
exit(-1);
}
if (config_lookup_float(&UM_config, "maxval", &maxval))
printf("maxval: %f\n", maxval);
else {
printf("maxval not defined. Please check config file. Exiting....\n");
exit(-1);
}
//start the grid process
float **Data_In;
//float **Vel_In;
int **Flag_In;
double *GateWidth_In, *Azimuth_In, *Elevation_In, *StartRange_In;
int *Time_In;
float grid[numlats][numlons];
int sample[numlats][numlons];
char starttime[16];
double AntennaBeamwidth, avtime;
int status, ncid, Radial_id, Gate_id, Data_id, Time_id, GateWidth_id, Az_id, El_id, Sr_id, GF_id, i, j, k, x, y, ScanType, ntimes;
//int Vel_id;
size_t numgates, numradials;
struct latLonBrng radar_llb, dest_llb;
for (x = 0; x<numlats; x++) {
for (y = 0; y<numlons; y++) {
grid[x][y] = 0;
sample[x][y] = 0;
}
}
avtime = 0;
ntimes = 0;
char *pch;
char tmpname[256];
memset(tmpname, '\0', sizeof(tmpname));
strcpy(tmpname, i_filenames[count-1]);
char ymd[9];
char hms[7];
pch = strtok (tmpname, "-");
int spl = 0;
while (pch != NULL) {
if (spl == 1) {
//printf ("%s\n", pch);
sprintf(ymd, "%s", pch);
}
if (spl == 2) {
char *pch2;
pch2 = strtok (pch, ".");
sprintf(hms, "%s", pch2);
}
pch = strtok (NULL, "-");
spl++;
}
for (k=0; k<count; k++) {
printf("%s\n", i_filenames[k]);
status = nc_open(i_filenames[k], NC_NOWRITE, &ncid);
handle_error(status);
status = nc_inq_dimid(ncid, "Radial", &Radial_id);
handle_error(status);
status = nc_inq_dimlen(ncid, Radial_id, &numradials);
handle_error(status);
status = nc_inq_dimid(ncid, "Gate", &Gate_id);
handle_error(status);
status = nc_inq_dimlen(ncid, Gate_id, &numgates);
handle_error(status);
Data_In = malloc(numradials*sizeof(float *));
Data_In[0]=malloc(numgates*numradials*sizeof(float));
for(i = 0; i < numradials; i++)
Data_In[i] = Data_In[0]+i*numgates;
char *radstr;
if ((radstr=strstr(i_filenames[k], "XUNT"))!=NULL) {
/*
Vel_In = malloc(numradials*sizeof(float *));
Vel_In[0]=malloc(numgates*numradials*sizeof(float));
for(i = 0; i < numradials; i++)
Vel_In[i] = Vel_In[0]+i*numgates;
status = nc_inq_varid(ncid, "Velocity", &Vel_id);
handle_error(status);
status = nc_get_var_float(ncid, Vel_id, &Vel_In[0][0]);
handle_error(status);
*/
Flag_In = malloc(numradials*sizeof(int *));
Flag_In[0]=malloc(numgates*numradials*sizeof(int));
for(i = 0; i < numradials; i++)
Flag_In[i] = Flag_In[0]+i*numgates;
status = nc_inq_varid(ncid, "GateFlags", &GF_id);
handle_error(status);
status = nc_get_var_int(ncid, GF_id, &Flag_In[0][0]);
handle_error(status);
}
Azimuth_In = (double *)malloc(numradials*sizeof(double));
Elevation_In = (double *)malloc(numradials*sizeof(double));
GateWidth_In = (double *)malloc(numradials*sizeof(double));
StartRange_In = (double *)malloc(numradials*sizeof(double));
Time_In = (int *)malloc(numradials*sizeof(int));
status = nc_inq_varid(ncid, varname, &Data_id);
handle_error(status);
status = nc_inq_varid(ncid, "Azimuth", &Az_id);
handle_error(status);
status = nc_inq_varid(ncid, "Elevation", &El_id);
handle_error(status);
status = nc_inq_varid(ncid, "GateWidth", &GateWidth_id);
handle_error(status);
status = nc_inq_varid(ncid, "Time", &Time_id);
handle_error(status);
status = nc_inq_varid(ncid, "StartRange", &Sr_id);
handle_error(status);
status = nc_get_var_float(ncid, Data_id, &Data_In[0][0]);
handle_error(status);
status = nc_get_var_double(ncid, Az_id, &Azimuth_In[0]);
handle_error(status);
status = nc_get_var_double(ncid, El_id, &Elevation_In[0]);
handle_error(status);
status = nc_get_var_double(ncid, GateWidth_id, &GateWidth_In[0]);
handle_error(status);
status = nc_get_var_int(ncid, Time_id, &Time_In[0]);
handle_error(status);
status = nc_get_var_double(ncid, Sr_id, &StartRange_In[0]);
handle_error(status);
status = nc_get_att_double(ncid, NC_GLOBAL, "Latitude", &radar_llb.lat);
handle_error(status);
status = nc_get_att_double(ncid, NC_GLOBAL, "Longitude", &radar_llb.lon);
handle_error(status);
status = nc_get_att_double(ncid, NC_GLOBAL, "AntennaBeamwidth", &AntennaBeamwidth);
//account for a naming convention problem in the EEC radar data
if (status != NC_NOERR) {
status = nc_get_att_double(ncid, NC_GLOBAL, "AntennaBeamWidth", &AntennaBeamwidth);
}
handle_error(status);
status = nc_get_att_int(ncid, NC_GLOBAL, "ScanType", &ScanType);
handle_error(status);
if ((ScanType != 2) && (ScanType != 8)) {
printf("Not a PPI. Exiting...");
exit(1);
}
if ((Time_In[0] > 100000) && (Time_In[numradials - 1] > 100000) && (abs(Time_In[0] - Time_In[numradials - 1]) < 180)) {
avtime = avtime + (double)Time_In[0] + (double)Time_In[numradials - 1];
ntimes = ntimes + 2;
}
for (i=0; i<numradials; i++) {
if (Elevation_In[i] < mintilt)
continue;
double sr = abs(StartRange_In[i]/1000);
double gw = abs(GateWidth_In[i]/1000);
for (j=0; j<numgates; j++) {
if ((radstr=strstr(i_filenames[k], "XUNT"))!=NULL) {
if(Flag_In[i][j] == 4)
continue;
}
/*
if ((radstr=strstr(i_filenames[k], "XADD"))!=NULL) {
if((j < 600) && (Data_In[i][j] < 25))
continue;
}
*/
double dlat, dlon;
int latvox, lonvox;
double dx = (j*gw) + sr;
double hrise = dx * sin(degToRad(Elevation_In[i]));
double hcurve = ((dx * cos(degToRad(Elevation_In[i])))/1000) * .12616097;
if (((hcurve + hrise) < minalt) || ((hcurve + hrise) > maxalt))
continue;
//handle front center of beam
vincenty(radar_llb.lat, radar_llb.lon, dx, Azimuth_In[i], &dest_llb);
//if the center is outside the grid, we toss
if ((dest_llb.lat > nlat) || (dest_llb.lat < slat) || (dest_llb.lon < wlon) || (dest_llb.lon > elon))
continue;
dlat = nlat - dest_llb.lat;
dlon = dest_llb.lon - wlon;
latvox = (int) (dlat / latspac);
lonvox = (int) (dlon / lonspac);
if ((Data_In[i][j] > minval) && (Data_In[i][j] < maxval)) {
//check routine
if (routine == 0) {
grid[latvox][lonvox] = grid[latvox][lonvox] + Data_In[i][j];
sample[latvox][lonvox]++;
}
else if (routine == 1) {
if (Data_In[i][j] > grid[latvox][lonvox])
grid[latvox][lonvox] = Data_In[i][j];
}
}
if (truemap == 1) {
double tmpaz, tmpdx, tmprise, tmpcurve;
int tmplatvox, tmplonvox, tmlatvox, tmlonvox;
//handle back center of beam
tmpdx = dx + (GateWidth_In[i]/1000);
tmprise = tmpdx * sin(degToRad(Elevation_In[i]));
tmpcurve = ((tmpdx * cos(degToRad(Elevation_In[i])))/1000) * .12616097;
if (((tmpcurve + tmprise) > minalt) && ((tmpcurve + tmprise) < maxalt)) {
vincenty(radar_llb.lat, radar_llb.lon, tmpdx, Azimuth_In[i], &dest_llb);
if ((dest_llb.lat < nlat) && (dest_llb.lat > slat) && (dest_llb.lon > wlon) && (dest_llb.lon < elon)) {
dlat = nlat - dest_llb.lat;
dlon = dest_llb.lon - wlon;
tmplatvox = (int) (dlat / latspac);
tmplonvox = (int) (dlon / lonspac);
//if the front of the beam and the back of the beam are the same voxel we avoid double counting
if ((tmplatvox != latvox) || (tmplonvox != lonvox)) {
if ((Data_In[i][j] > minval) && (Data_In[i][j] < maxval)) {
if (routine == 0) {
grid[tmplatvox][tmplonvox] = grid[tmplatvox][tmplonvox] + Data_In[i][j];
sample[tmplatvox][tmplonvox]++;
}
else if (routine == 1) {
if (Data_In[i][j] > grid[tmplatvox][tmplonvox])
grid[tmplatvox][tmplonvox] = Data_In[i][j];
}
}
}
}
}
//handle ccw front side of beam
tmpaz = Azimuth_In[i] - (.5*AntennaBeamwidth);
if (tmpaz < 0)
tmpaz = tmpaz + 360;
vincenty(radar_llb.lat, radar_llb.lon, dx, tmpaz, &dest_llb);
if ((dest_llb.lat < nlat) && (dest_llb.lat > slat) && (dest_llb.lon > wlon) && (dest_llb.lon < elon)) {
dlat = nlat - dest_llb.lat;
dlon = dest_llb.lon - wlon;
tmplatvox = (int) (dlat / latspac);
tmplonvox = (int) (dlon / lonspac);
//if the center of the beam and the edge of the beam are the same voxel we move on to avoid double counting
if ((tmplatvox != latvox) || (tmplonvox != lonvox)) {
if ((Data_In[i][j] > minval) && (Data_In[i][j] < maxval)) {
//check routine
if (routine == 0) {
grid[tmplatvox][tmplonvox] = grid[tmplatvox][tmplonvox] + Data_In[i][j];
sample[tmplatvox][tmplonvox]++;
}
else if (routine == 1) {
if (Data_In[i][j] > grid[tmplatvox][tmplonvox])
grid[tmplatvox][tmplonvox] = Data_In[i][j];
}
}
}
}
//handle ccw back side of beam
tmpaz = Azimuth_In[i] - (.5*AntennaBeamwidth);
if (tmpaz < 0)
tmpaz = tmpaz + 360;
if (((tmpcurve + tmprise) > minalt) && ((tmpcurve + tmprise) < maxalt)) {
vincenty(radar_llb.lat, radar_llb.lon, tmpdx, tmpaz, &dest_llb);
if ((dest_llb.lat < nlat) && (dest_llb.lat > slat) && (dest_llb.lon > wlon) && (dest_llb.lon < elon)) {
dlat = nlat - dest_llb.lat;
dlon = dest_llb.lon - wlon;
tmlatvox = (int) (dlat / latspac);
tmlonvox = (int) (dlon / lonspac);
if ((tmlatvox != tmplatvox) || (tmlonvox != tmplonvox)) {
if ((Data_In[i][j] > minval) && (Data_In[i][j] < maxval)) {
if (routine == 0) {
grid[tmlatvox][tmlonvox] = grid[tmlatvox][tmlonvox] + Data_In[i][j];
sample[tmlatvox][tmlonvox]++;
}
else if (routine == 1) {
if (Data_In[i][j] > grid[tmlatvox][tmlonvox])
grid[tmlatvox][tmlonvox] = Data_In[i][j];
}
}
}
}
}
//handle cw front side of beam
tmpaz = Azimuth_In[i] + (.5*AntennaBeamwidth);
if (tmpaz > 359.999999)
tmpaz = tmpaz - 360;
vincenty(radar_llb.lat, radar_llb.lon, dx, tmpaz, &dest_llb);
if ((dest_llb.lat < nlat) && (dest_llb.lat > slat) && (dest_llb.lon > wlon) && (dest_llb.lon < elon)) {
dlat = nlat - dest_llb.lat;
dlon = dest_llb.lon - wlon;
tmplatvox = (int) (dlat / latspac);
tmplonvox = (int) (dlon / lonspac);
if ((tmplatvox != latvox) || (tmplonvox != lonvox)) {
if ((Data_In[i][j] > minval) && (Data_In[i][j] < maxval)) {
if (routine == 0) {
grid[tmplatvox][tmplonvox] = grid[tmplatvox][tmplonvox] + Data_In[i][j];
sample[tmplatvox][tmplonvox]++;
}
else if (routine == 1) {
if (Data_In[i][j] > grid[tmplatvox][tmplonvox])
grid[tmplatvox][tmplonvox] = Data_In[i][j];
}
}
}
}
//handle cw back of the beam
tmpaz = Azimuth_In[i] + (.5*AntennaBeamwidth);
if (tmpaz > 359.999999)
tmpaz = tmpaz - 360;
if (((tmpcurve + tmprise) > minalt) && ((tmpcurve + tmprise) < maxalt)) {
vincenty(radar_llb.lat, radar_llb.lon, tmpdx, tmpaz, &dest_llb);
if ((dest_llb.lat < nlat) && (dest_llb.lat > slat) && (dest_llb.lon > wlon) && (dest_llb.lon < elon)) {
dlat = nlat - dest_llb.lat;
dlon = dest_llb.lon - wlon;
tmlatvox = (int) (dlat / latspac);
tmlonvox = (int) (dlon / lonspac);
if ((tmlatvox != tmplatvox) || (tmlonvox != tmplonvox)) {
if ((Data_In[i][j] > minval) && (Data_In[i][j] < maxval)) {
if (routine == 0) {
grid[tmlatvox][tmlonvox] = grid[tmlatvox][tmlonvox] + Data_In[i][j];
sample[tmlatvox][tmlonvox]++;
}
else if (routine == 1) {
if (Data_In[i][j] > grid[tmlatvox][tmlonvox])
grid[tmlatvox][tmlonvox] = Data_In[i][j];
}
}
}
}
}
//handle in between areas
tmpaz = Azimuth_In[i] - (.25*AntennaBeamwidth);
if (tmpaz < 0)
tmpaz = tmpaz + 360;
vincenty(radar_llb.lat, radar_llb.lon, dx, tmpaz, &dest_llb);
if ((dest_llb.lat < nlat) && (dest_llb.lat > slat) && (dest_llb.lon > wlon) && (dest_llb.lon < elon)) {
dlat = nlat - dest_llb.lat;
dlon = dest_llb.lon - wlon;
tmplatvox = (int) (dlat / latspac);
tmplonvox = (int) (dlon / lonspac);
if ((tmplatvox != latvox) || (tmplonvox != lonvox)) {
if ((Data_In[i][j] > minval) && (Data_In[i][j] < maxval)) {
//check routine
if (routine == 0) {
grid[tmplatvox][tmplonvox] = grid[tmplatvox][tmplonvox] + Data_In[i][j];
sample[tmplatvox][tmplonvox]++;
}
else if (routine == 1) {
if (Data_In[i][j] > grid[tmplatvox][tmplonvox])
grid[tmplatvox][tmplonvox] = Data_In[i][j];
}
}
}
}
tmpaz = Azimuth_In[i] - (.25*AntennaBeamwidth);
if (tmpaz < 0)
tmpaz = tmpaz + 360;
if (((tmpcurve + tmprise) > minalt) && ((tmpcurve + tmprise) < maxalt)) {
vincenty(radar_llb.lat, radar_llb.lon, tmpdx, tmpaz, &dest_llb);
if ((dest_llb.lat < nlat) && (dest_llb.lat > slat) && (dest_llb.lon > wlon) && (dest_llb.lon < elon)) {
dlat = nlat - dest_llb.lat;
dlon = dest_llb.lon - wlon;
tmlatvox = (int) (dlat / latspac);
tmlonvox = (int) (dlon / lonspac);
if ((tmlatvox != tmplatvox) || (tmlonvox != tmplonvox)) {
if ((Data_In[i][j] > minval) && (Data_In[i][j] < maxval)) {
if (routine == 0) {
grid[tmlatvox][tmlonvox] = grid[tmlatvox][tmlonvox] + Data_In[i][j];
sample[tmlatvox][tmlonvox]++;
}
else if (routine == 1) {
if (Data_In[i][j] > grid[tmlatvox][tmlonvox])
grid[tmlatvox][tmlonvox] = Data_In[i][j];
}
}
}
}
}
tmpaz = Azimuth_In[i] + (.25*AntennaBeamwidth);
if (tmpaz > 359.999999)
tmpaz = tmpaz - 360;
vincenty(radar_llb.lat, radar_llb.lon, dx, tmpaz, &dest_llb);
if ((dest_llb.lat < nlat) && (dest_llb.lat > slat) && (dest_llb.lon > wlon) && (dest_llb.lon < elon)) {
dlat = nlat - dest_llb.lat;
dlon = dest_llb.lon - wlon;
tmplatvox = (int) (dlat / latspac);
tmplonvox = (int) (dlon / lonspac);
if ((tmplatvox != latvox) || (tmplonvox != lonvox)) {
if ((Data_In[i][j] > minval) && (Data_In[i][j] < maxval)) {
if (routine == 0) {
grid[tmplatvox][tmplonvox] = grid[tmplatvox][tmplonvox] + Data_In[i][j];
sample[tmplatvox][tmplonvox]++;
}
else if (routine == 1) {
if (Data_In[i][j] > grid[tmplatvox][tmplonvox])
grid[tmplatvox][tmplonvox] = Data_In[i][j];
}
}
}
}
tmpaz = Azimuth_In[i] + (.25*AntennaBeamwidth);
if (tmpaz > 359.999999)
tmpaz = tmpaz - 360;
if (((tmpcurve + tmprise) > minalt) && ((tmpcurve + tmprise) < maxalt)) {
vincenty(radar_llb.lat, radar_llb.lon, tmpdx, tmpaz, &dest_llb);
if ((dest_llb.lat < nlat) && (dest_llb.lat > slat) && (dest_llb.lon > wlon) && (dest_llb.lon < elon)) {
dlat = nlat - dest_llb.lat;
dlon = dest_llb.lon - wlon;
tmlatvox = (int) (dlat / latspac);
tmlonvox = (int) (dlon / lonspac);
if ((tmlatvox != tmplatvox) || (tmlonvox != tmplonvox)) {
if ((Data_In[i][j] > minval) && (Data_In[i][j] < maxval)) {
if (routine == 0) {
grid[tmlatvox][tmlonvox] = grid[tmlatvox][tmlonvox] + Data_In[i][j];
sample[tmlatvox][tmlonvox]++;
}
else if (routine == 1) {
if (Data_In[i][j] > grid[tmlatvox][tmlonvox])
grid[tmlatvox][tmlonvox] = Data_In[i][j];
}
}
}
}
}
}
}
}
status = nc_close(ncid);
handle_error(status);
free(Data_In);
free(Azimuth_In);
free(Elevation_In);
free(GateWidth_In);
free(Time_In);
free(StartRange_In);
if ((radstr=strstr(i_filenames[k], "XUNT"))!=NULL) {
//free(Vel_In);
free(Flag_In);
}
}
if (routine == 0) {
for (x = 0; x<numlats; x++) {
for (y = 0; y<numlons; y++) {
if (sample[x][y] > 0) {
grid[x][y] = grid[x][y] / (float)sample[x][y];
//printf("x %d y %d grid %f sample %d\n", x, y, grid[x][y], sample[x][y]);
}
}
}
}
if (smoothing == 1) {
float tmpgrid[numlats][numlons];
for (x = 0; x<numlats; x++)
for (y = 0; y<numlons; y++)
tmpgrid[x][y] = grid[x][y];
int z = 1;
int e;
for (e = 0; e < 3; e++) {
for (x = smoothvoxels; x<(numlats-smoothvoxels); x++) {
for (y = smoothvoxels; y<(numlons-smoothvoxels); y++) {
int shepard_k = smoothvoxels * 16;
float shepard = 0;
int shepard_denom_k = smoothvoxels * 16;
float shepard_denom_tot = 0;
float shepard_tot = 0;
float crossdx = sqrt((latspac * latspac) + (lonspac * lonspac));
for (z = 1; z<(smoothvoxels+1); z++)
shepard_denom_tot = shepard_denom_tot + (2*(1/((z*latspac)*(z*latspac)))) + (2*(1/((z*lonspac)*(z*lonspac)))) + (4*(1/((z*crossdx)*(z*crossdx))));
float shepard_denom = shepard_denom_tot/(float)shepard_denom_k;
for (z=1; z<smoothvoxels+1; z++)
shepard_tot = shepard_tot + ((((1/((z*latspac)*(z*latspac))) * grid[x-z][y]) + ((1/((z*latspac)*(z*latspac))) * grid[x+z][y]) + ((1/((z*lonspac)*(z*lonspac))) * grid[x][y-z]) + ((1/((z*lonspac)*(z*lonspac))) * grid[x][y+z])) + ((1/((z*crossdx)*(z*crossdx))) * grid[x-z][y-z]) + ((1/((z*crossdx)*(z*crossdx))) * grid[x+z][y-z]) + ((1/((z*crossdx)*(z*crossdx))) * grid[x-z][y+z]) + ((1/((z*crossdx)*(z*crossdx))) * grid[x+z][y+z]));
shepard_tot = shepard_tot/shepard_denom;
if (shepard_k > 0) {
shepard = shepard_tot/shepard_k;
if (e == 0) {
if (tmpgrid[x][y] > 10) {
grid[x][y] = ((3*tmpgrid[x][y]) + shepard)/4;
}
else {
grid[x][y] = shepard;
}
}
else if (e == 1) {
if (tmpgrid[x][y] > 10) {
grid[x][y] = ((tmpgrid[x][y]) + shepard)/2;
}
else {
grid[x][y] = shepard;
}
}
else {
grid[x][y] = shepard;
}
}
else {
grid[x][y] = 0;
}
}
}
}
}