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rfplot.c
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rfplot.c
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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <ctype.h>
#include <cpgplot.h>
#include <getopt.h>
#include "rftime.h"
#include "rfio.h"
#include "rftrace.h"
#define LIM 128
#define NMAX 64
struct select {
int flag,n;
float x[NMAX],y[NMAX],w;
float sigma;
};
struct data {
int n;
double *x, *y, *ym;
} gd;
void dec2sex(double x,char *s,int f,int len);
void time_axis(double *mjd,int n,float xmin,float xmax,float ymin,float ymax);
void bin_axis(int isub,int msub,float xmin,float xmax,float ymin,float ymax);
void usage(void);
void plot_traces(struct trace *t,int nsat,float fcen,float xmin,float xmax, int show_names);
struct trace fit_trace(struct spectrogram s,struct select sel,int site_id,int graves);
struct trace fit_gaussian_trace(struct spectrogram s,struct select sel,int site_id,int graves);
void convolve(float *y,int n,float *w,int m,float *z);
float gauss(float x,float w);
void quadfit(float x[],float y[],int n,float a[]);
struct trace locate_trace(struct spectrogram s,struct trace t,int site_id,float sigmamin,float wmin,float wmax,int graves);
void filter(struct spectrogram s,int site_id,float sigma,int graves);
void peakfind(struct spectrogram s,int site_id,int i0,int i1,int j0,int j1);
void versafit(int m,int n,double *a,double *da,double (*func)(double *),double dchisq,double tol,char *opt);
double chisq_gaussian(double a[]);
float fit_gaussian_point(struct spectrogram s,float x,float y,struct select sel,int site_id,int graves);
int main(int argc,char *argv[])
{
struct spectrogram s;
float tr[]={-0.5,1.0,0.0,-0.5,0.0,1.0};
float cool_l[]={-0.5,0.0,0.17,0.33,0.50,0.67,0.83,1.0,1.7};
float cool_r[]={0.0,0.0,0.0,0.0,0.6,1.0,1.0,1.0,1.0};
float cool_g[]={0.0,0.0,0.0,1.0,1.0,1.0,0.6,0.0,1.0};
float cool_b[]={0.0,0.3,0.8,1.0,0.3,0.0,0.0,0.0,1.0};
float viridis_l[]={0.000000,0.003922,0.007843,0.011765,0.015686,0.019608,0.023529,0.027451,0.031373,0.035294,0.039216,0.043137,0.047059,0.050980,0.054902,0.058824,0.062745,0.066667,0.070588,0.074510,0.078431,0.082353,0.086275,0.090196,0.094118,0.098039,0.101961,0.105882,0.109804,0.113725,0.117647,0.121569,0.125490,0.129412,0.133333,0.137255,0.141176,0.145098,0.149020,0.152941,0.156863,0.160784,0.164706,0.168627,0.172549,0.176471,0.180392,0.184314,0.188235,0.192157,0.196078,0.200000,0.203922,0.207843,0.211765,0.215686,0.219608,0.223529,0.227451,0.231373,0.235294,0.239216,0.243137,0.247059,0.250980,0.254902,0.258824,0.262745,0.266667,0.270588,0.274510,0.278431,0.282353,0.286275,0.290196,0.294118,0.298039,0.301961,0.305882,0.309804,0.313725,0.317647,0.321569,0.325490,0.329412,0.333333,0.337255,0.341176,0.345098,0.349020,0.352941,0.356863,0.360784,0.364706,0.368627,0.372549,0.376471,0.380392,0.384314,0.388235,0.392157,0.396078,0.400000,0.403922,0.407843,0.411765,0.415686,0.419608,0.423529,0.427451,0.431373,0.435294,0.439216,0.443137,0.447059,0.450980,0.454902,0.458824,0.462745,0.466667,0.470588,0.474510,0.478431,0.482353,0.486275,0.490196,0.494118,0.498039,0.501961,0.505882,0.509804,0.513725,0.517647,0.521569,0.525490,0.529412,0.533333,0.537255,0.541176,0.545098,0.549020,0.552941,0.556863,0.560784,0.564706,0.568627,0.572549,0.576471,0.580392,0.584314,0.588235,0.592157,0.596078,0.600000,0.603922,0.607843,0.611765,0.615686,0.619608,0.623529,0.627451,0.631373,0.635294,0.639216,0.643137,0.647059,0.650980,0.654902,0.658824,0.662745,0.666667,0.670588,0.674510,0.678431,0.682353,0.686275,0.690196,0.694118,0.698039,0.701961,0.705882,0.709804,0.713725,0.717647,0.721569,0.725490,0.729412,0.733333,0.737255,0.741176,0.745098,0.749020,0.752941,0.756863,0.760784,0.764706,0.768627,0.772549,0.776471,0.780392,0.784314,0.788235,0.792157,0.796078,0.800000,0.803922,0.807843,0.811765,0.815686,0.819608,0.823529,0.827451,0.831373,0.835294,0.839216,0.843137,0.847059,0.850980,0.854902,0.858824,0.862745,0.866667,0.870588,0.874510,0.878431,0.882353,0.886275,0.890196,0.894118,0.898039,0.901961,0.905882,0.909804,0.913725,0.917647,0.921569,0.925490,0.929412,0.933333,0.937255,0.941176,0.945098,0.949020,0.952941,0.956863,0.960784,0.964706,0.968627,0.972549,0.976471,0.980392,0.984314,0.988235,0.992157,0.996078,1.000000};
float viridis_r[]={0.267004,0.268510,0.269944,0.271305,0.272594,0.273809,0.274952,0.276022,0.277018,0.277941,0.278791,0.279566,0.280267,0.280894,0.281446,0.281924,0.282327,0.282656,0.282910,0.283091,0.283197,0.283229,0.283187,0.283072,0.282884,0.282623,0.282290,0.281887,0.281412,0.280868,0.280255,0.279574,0.278826,0.278012,0.277134,0.276194,0.275191,0.274128,0.273006,0.271828,0.270595,0.269308,0.267968,0.266580,0.265145,0.263663,0.262138,0.260571,0.258965,0.257322,0.255645,0.253935,0.252194,0.250425,0.248629,0.246811,0.244972,0.243113,0.241237,0.239346,0.237441,0.235526,0.233603,0.231674,0.229739,0.227802,0.225863,0.223925,0.221989,0.220057,0.218130,0.216210,0.214298,0.212395,0.210503,0.208623,0.206756,0.204903,0.203063,0.201239,0.199430,0.197636,0.195860,0.194100,0.192357,0.190631,0.188923,0.187231,0.185556,0.183898,0.182256,0.180629,0.179019,0.177423,0.175841,0.174274,0.172719,0.171176,0.169646,0.168126,0.166617,0.165117,0.163625,0.162142,0.160665,0.159194,0.157729,0.156270,0.154815,0.153364,0.151918,0.150476,0.149039,0.147607,0.146180,0.144759,0.143343,0.141935,0.140536,0.139147,0.137770,0.136408,0.135066,0.133743,0.132444,0.131172,0.129933,0.128729,0.127568,0.126453,0.125394,0.124395,0.123463,0.122606,0.121831,0.121148,0.120565,0.120092,0.119738,0.119512,0.119423,0.119483,0.119699,0.120081,0.120638,0.121380,0.122312,0.123444,0.124780,0.126326,0.128087,0.130067,0.132268,0.134692,0.137339,0.140210,0.143303,0.146616,0.150148,0.153894,0.157851,0.162016,0.166383,0.170948,0.175707,0.180653,0.185783,0.191090,0.196571,0.202219,0.208030,0.214000,0.220124,0.226397,0.232815,0.239374,0.246070,0.252899,0.259857,0.266941,0.274149,0.281477,0.288921,0.296479,0.304148,0.311925,0.319809,0.327796,0.335885,0.344074,0.352360,0.360741,0.369214,0.377779,0.386433,0.395174,0.404001,0.412913,0.421908,0.430983,0.440137,0.449368,0.458674,0.468053,0.477504,0.487026,0.496615,0.506271,0.515992,0.525776,0.535621,0.545524,0.555484,0.565498,0.575563,0.585678,0.595839,0.606045,0.616293,0.626579,0.636902,0.647257,0.657642,0.668054,0.678489,0.688944,0.699415,0.709898,0.720391,0.730889,0.741388,0.751884,0.762373,0.772852,0.783315,0.793760,0.804182,0.814576,0.824940,0.835270,0.845561,0.855810,0.866013,0.876168,0.886271,0.896320,0.906311,0.916242,0.926106,0.935904,0.945636,0.955300,0.964894,0.974417,0.983868,0.993248};
float viridis_g[]={0.004874,0.009605,0.014625,0.019942,0.025563,0.031497,0.037752,0.044167,0.050344,0.056324,0.062145,0.067836,0.073417,0.078907,0.084320,0.089666,0.094955,0.100196,0.105393,0.110553,0.115680,0.120777,0.125848,0.130895,0.135920,0.140926,0.145912,0.150881,0.155834,0.160771,0.165693,0.170599,0.175490,0.180367,0.185228,0.190074,0.194905,0.199721,0.204520,0.209303,0.214069,0.218818,0.223549,0.228262,0.232956,0.237631,0.242286,0.246922,0.251537,0.256130,0.260703,0.265254,0.269783,0.274290,0.278775,0.283237,0.287675,0.292092,0.296485,0.300855,0.305202,0.309527,0.313828,0.318106,0.322361,0.326594,0.330805,0.334994,0.339161,0.343307,0.347432,0.351535,0.355619,0.359683,0.363727,0.367752,0.371758,0.375746,0.379716,0.383670,0.387607,0.391528,0.395433,0.399323,0.403199,0.407061,0.410910,0.414746,0.418570,0.422383,0.426184,0.429975,0.433756,0.437527,0.441290,0.445044,0.448791,0.452530,0.456262,0.459988,0.463708,0.467423,0.471133,0.474838,0.478540,0.482237,0.485932,0.489624,0.493313,0.497000,0.500685,0.504369,0.508051,0.511733,0.515413,0.519093,0.522773,0.526453,0.530132,0.533812,0.537492,0.541173,0.544853,0.548535,0.552216,0.555899,0.559582,0.563265,0.566949,0.570633,0.574318,0.578002,0.581687,0.585371,0.589055,0.592739,0.596422,0.600104,0.603785,0.607464,0.611141,0.614817,0.618490,0.622161,0.625828,0.629492,0.633153,0.636809,0.640461,0.644107,0.647749,0.651384,0.655014,0.658636,0.662252,0.665859,0.669459,0.673050,0.676631,0.680203,0.683765,0.687316,0.690856,0.694384,0.697900,0.701402,0.704891,0.708366,0.711827,0.715272,0.718701,0.722114,0.725509,0.728888,0.732247,0.735588,0.738910,0.742211,0.745492,0.748751,0.751988,0.755203,0.758394,0.761561,0.764704,0.767822,0.770914,0.773980,0.777018,0.780029,0.783011,0.785964,0.788888,0.791781,0.794644,0.797475,0.800275,0.803041,0.805774,0.808473,0.811138,0.813768,0.816363,0.818921,0.821444,0.823929,0.826376,0.828786,0.831158,0.833491,0.835785,0.838039,0.840254,0.842430,0.844566,0.846661,0.848717,0.850733,0.852709,0.854645,0.856542,0.858400,0.860219,0.861999,0.863742,0.865448,0.867117,0.868751,0.870350,0.871916,0.873449,0.874951,0.876424,0.877868,0.879285,0.880678,0.882046,0.883393,0.884720,0.886029,0.887322,0.888601,0.889868,0.891125,0.892374,0.893616,0.894855,0.896091,0.897330,0.898570,0.899815,0.901065,0.902323,0.903590,0.904867,0.906157};
float viridis_b[]={0.329415,0.335427,0.341379,0.347269,0.353093,0.358853,0.364543,0.370164,0.375715,0.381191,0.386592,0.391917,0.397163,0.402329,0.407414,0.412415,0.417331,0.422160,0.426902,0.431554,0.436115,0.440584,0.444960,0.449241,0.453427,0.457517,0.461510,0.465405,0.469201,0.472899,0.476498,0.479997,0.483397,0.486697,0.489898,0.493001,0.496005,0.498911,0.501721,0.504434,0.507052,0.509577,0.512008,0.514349,0.516599,0.518762,0.520837,0.522828,0.524736,0.526563,0.528312,0.529983,0.531579,0.533103,0.534556,0.535941,0.537260,0.538516,0.539709,0.540844,0.541921,0.542944,0.543914,0.544834,0.545706,0.546532,0.547314,0.548053,0.548752,0.549413,0.550038,0.550627,0.551184,0.551710,0.552206,0.552675,0.553117,0.553533,0.553925,0.554294,0.554642,0.554969,0.555276,0.555565,0.555836,0.556089,0.556326,0.556547,0.556753,0.556944,0.557120,0.557282,0.557430,0.557565,0.557685,0.557792,0.557885,0.557965,0.558030,0.558082,0.558119,0.558141,0.558148,0.558140,0.558115,0.558073,0.558013,0.557936,0.557840,0.557724,0.557587,0.557430,0.557250,0.557049,0.556823,0.556572,0.556295,0.555991,0.555659,0.555298,0.554906,0.554483,0.554029,0.553541,0.553018,0.552459,0.551864,0.551229,0.550556,0.549841,0.549086,0.548287,0.547445,0.546557,0.545623,0.544641,0.543611,0.542530,0.541400,0.540218,0.538982,0.537692,0.536347,0.534946,0.533488,0.531973,0.530398,0.528763,0.527068,0.525311,0.523491,0.521608,0.519661,0.517649,0.515571,0.513427,0.511215,0.508936,0.506589,0.504172,0.501686,0.499129,0.496502,0.493803,0.491033,0.488189,0.485273,0.482284,0.479221,0.476084,0.472873,0.469588,0.466226,0.462789,0.459277,0.455688,0.452024,0.448284,0.444467,0.440573,0.436601,0.432552,0.428426,0.424223,0.419943,0.415586,0.411152,0.406640,0.402049,0.397381,0.392636,0.387814,0.382914,0.377939,0.372886,0.367757,0.362552,0.357269,0.351910,0.346476,0.340967,0.335384,0.329727,0.323998,0.318195,0.312321,0.306377,0.300362,0.294279,0.288127,0.281908,0.275626,0.269281,0.262877,0.256415,0.249897,0.243329,0.236712,0.230052,0.223353,0.216620,0.209861,0.203082,0.196293,0.189503,0.182725,0.175971,0.169257,0.162603,0.156029,0.149561,0.143228,0.137064,0.131109,0.125405,0.120005,0.114965,0.110347,0.106217,0.102646,0.099702,0.097452,0.095953,0.095250,0.095374,0.096335,0.098125,0.100717,0.104071,0.108131,0.112838,0.118128,0.123941,0.130215,0.136897,0.143936};
float heat_l[] = {0.0, 0.2, 0.4, 0.6, 1.0};
float heat_r[] = {0.0, 0.5, 1.0, 1.0, 1.0};
float heat_g[] = {0.0, 0.0, 0.5, 1.0, 1.0};
float heat_b[] = {0.0, 0.0, 0.0, 0.3, 1.0};
float xmin,xmax,ymin,ymax,zmin,zmax=1.0;
int i,j,k,flag=0,sn,maxflag=0;
int redraw=1,mode=0,posn=0,click=0,graves=0,grid=0,binaxis=0,inside_window;
float dt,zzmax,s1,s2,z,za,sigma,zs,zm;
int ix,iy,isub=0,nx,ny,jx=-1,jy=-1;
int i0,j0,i1,j1,jmax;
float width=1500;
float x=0.0,y=0.0,x0=0.0,y0=0.0,yfit;
char c;
char path[128],xlabel[128],ylabel[64],filename[32],tlefile[128],freqlist[128];
char nfd[32];
int sec,lsec,ssec;
char stime[16];
double fmin,fmax,fcen,f;
FILE *file;
int arg=0,nsub=3600,nbin=1;
double f0=0.0,df0=0.0;
int foverlay=1;
struct trace *t,tf;
int nsat,satno,status;
struct select sel;
char *env;
int site_id=0;
int cmap=2;
double foff=0.0,mjdgrid=0.0;
int jj0,jj1;
int show_names = 0;
// Get site
env=getenv("ST_COSPAR");
if (env!=NULL) {
site_id=atoi(env);
} else {
printf("ST_COSPAR environment variable not found.\n");
}
env=getenv("ST_TLEDIR");
if(env==NULL||strlen(env)==0)
env=".";
sprintf(tlefile,"%s/bulk.tle",env);
env=getenv("ST_DATADIR");
if(env==NULL||strlen(env)==0)
env=".";
sprintf(freqlist,"%s/data/frequencies.txt",env);
// Set selection
sel.n=0;
sel.w=100.0;
sel.sigma=5.0;
// Read arguments
if (argc>1) {
while ((arg=getopt(argc,argv,"p:f:w:s:l:b:z:hc:C:gm:o:S:W:F:n"))!=-1) {
switch (arg) {
case 'p':
strcpy(path,optarg);
break;
case 's':
isub=atoi(optarg);
break;
case 'l':
nsub=atoi(optarg);
break;
case 'b':
nbin=atoi(optarg);
break;
case 'f':
f0=(double) atof(optarg);
break;
case 'w':
df0=(double) atof(optarg);
break;
case 'F':
strcpy(freqlist,optarg);
break;
case 'W':
sel.w=atof(optarg);
break;
case 'S':
sel.sigma=atof(optarg);
break;
case 'z':
zmax=atof(optarg);
maxflag=1;
break;
case 'g':
graves=1;
break;
case 'h':
usage();
return 0;
case 'm':
cmap=atoi(optarg);
if (cmap>2)
cmap=0;
break;
case 'o':
foff=(double) atof(optarg);
break;
case 'c':
strcpy(tlefile,optarg);
break;
case 'C':
site_id=atoi(optarg);
break;
case 'n':
show_names = 1;
break;
default:
usage();
return 0;
}
}
} else {
usage();
return 0;
}
// Read data
s=read_spectrogram(path,isub,nsub,f0,df0,nbin,foff);
printf("Read spectrogram\n%d channels, %d subints\nFrequency: %g MHz\nBandwidth: %g MHz\n",s.nchan,s.nsub,s.freq*1e-6,s.samp_rate*1e-6);
// Exit on empty data
if (s.nsub==0)
return 0;
// Compute traces
t=compute_trace(tlefile,s.mjd,s.nsub,site_id,s.freq*1e-6,s.samp_rate*1e-6,&nsat,graves,freqlist);
printf("Traces for %d objects for location %d\n",nsat,site_id);
cpgopen("/xs");
cpgsch(0.8);
// cpgpap(12.5,0.55);
cpgask(0);
// Default limits
xmin=0.0;
xmax=(float) s.nsub;
ymin=0.0;
ymax=(float) s.nchan;
zmin=0.0;
if (maxflag==0) {
zmin=s.zmin;
zmax=s.zmax;
}
// Set trace
tf.n=0;
// Forever loop
for (;;) {
if (redraw==1) {
// cpgeras();
cpgpage();
cpgsci(1);
/*
cpgsvp(0.1,0.95,0.9,0.95);
cpgswin(xmin,xmax,s.zmin,s.zmax);
cpgbox("BCTS",0.,0,"BCTSN",0.,0);
for (i=0;i<s.nsub;i++) {
if (i==0)
cpgmove((float) i,s.zavg[i]);
else
cpgdraw((float) i,s.zavg[i]);
}
cpgsvp(0.1,0.95,0.1,0.85);
*/
cpgsvp(0.1,0.95,0.1,0.95);
cpgswin(xmin,xmax,ymin,ymax);
if (cmap==3) {
cpggray(s.z,s.nsub,s.nchan,1,s.nsub,1,s.nchan,zmax,zmin,tr);
} else {
if (cmap==0)
cpgctab(cool_l,cool_r,cool_g,cool_b,9,1.0,0.5);
else if (cmap==1)
cpgctab(heat_l,heat_r,heat_g,heat_b,9,1.0,0.5);
else if (cmap==2)
cpgctab(viridis_l,viridis_r,viridis_g,viridis_b,256,1.0,0.5);
cpgimag(s.z,s.nsub,s.nchan,1,s.nsub,1,s.nchan,zmin,zmax,tr);
}
// Pixel axis
//cpgbox("CTSM1",0.,0,"CTSM1",0.,0);
if (binaxis==0) {
cpgbox("CTSM1",0.,0,"CTSM1",0.,0);
} else {
cpgbox("C",0.,0,"CTSM1",0.,0);
bin_axis(s.isub,s.msub,xmin,xmax,ymin,ymax);
}
// Time axis
cpgbox("B",0.,0,"",0.,0);
time_axis(s.mjd,s.nsub,xmin,xmax,ymin,ymax);
// Freq axis
fmin=s.freq-0.5*s.samp_rate+ymin*s.samp_rate/(float) s.nchan;
fmax=s.freq-0.5*s.samp_rate+ymax*s.samp_rate/(float) s.nchan;
fmin*=1e-6;
fmax*=1e-6;
// Human readable frequency axis
fcen=0.5*(fmax+fmin);
cpgswin(xmin,xmax,fmin-fcen,fmax-fcen);
if (foverlay==1)
plot_traces(t,nsat,fcen,xmin,xmax, show_names);
fcen=floor(1000*fcen)/1000.0;
sprintf(ylabel,"Frequency - %.3f MHz",fcen);
fmin-=fcen;
fmax-=fcen;
cpgswin(xmin,xmax,fmin,fmax);
cpgbox("",0.,0,"BTSN",0.,0);
// update UT Date to be consistent with the current view
int imin = (int) xmin;
if (imin < 0)
imin = 0;
mjd2nfd(s.mjd[imin], nfd);
sprintf(xlabel,"UT Date: %.10s",nfd);
cpglab(xlabel,ylabel," ");
cpgswin(xmin,xmax,ymin,ymax);
// Plot selection
if (sel.n>0) {
cpgsci(7);
// Plot points
for (i=0;i<sel.n;i++)
cpgpt1(sel.x[i],sel.y[i],4);
// Plot upper bound
for (i=0;i<sel.n;i++) {
if (i==0)
cpgmove(sel.x[i],sel.y[i]+sel.w);
else
cpgdraw(sel.x[i],sel.y[i]+sel.w);
}
// Plot lower bound
for (i=0;i<sel.n;i++) {
if (i==0)
cpgmove(sel.x[i],sel.y[i]-sel.w);
else
cpgdraw(sel.x[i],sel.y[i]-sel.w);
}
cpgsci(1);
}
// Plot grid
if (grid==1) {
cpgsci(2);
for (i=0,flag=0;i<s.nsub-1;i++) {
dt=86400.0*(s.mjd[i]-mjdgrid);
jj1=(int) (floor) (dt/2.4);
if (i==0)
jj0=jj1;
if (jj1-jj0>0.0) {
flag=0;
jj0=jj1;
}
if (jj0%2==0)
cpgsls(1);
else
cpgsls(2);
if (flag==0) {
cpgmove((float) i,ymin);
cpgdraw((float) i,ymax);
flag=1;
}
}
cpgsci(1);
cpgsls(1);
}
redraw=0;
}
// Get cursor
cpgband(mode,posn,x0,y0,&x,&y,&c);
// Cursor inside window?
i=(int) x;
j=(int) y;
if (i >= 0 && i < s.nsub && j >= 0 && j < s.nchan)
inside_window=1;
else
inside_window=0;
// Help
if (c=='h') {
printf("q Quit\n");
printf("k Plot grid (not sure what it does)\n");
printf("t Locate traces\n");
printf("s Select track points\n");
printf("u Undo track point selection\n");
printf("S Set track selection width and sigma\n");
printf("f Fits selected track points (generates out.dat)\n");
printf("F Fits selected wideband track points (generates out.dat)\n");
printf("g Filter points above a certain sigma limit (generates filter.dat)\n");
printf("G Find peaks in current window (generates peakfind.dat)\n");
printf("i Identify selected track points\n");
printf("I Manually identify selected track points\n");
printf("v Decrease dynamic range\n");
printf("b Increase dynamic range\n");
printf("Z Provide manual dynamic range limits\n");
printf("D/mid Mark point (appends to mark.dat)\n");
printf("w Fit wideband point (appends to mark.dat)\n");
printf("c Center view\n");
printf("C Toggle through color maps\n");
printf("p/right Toggle overlays\n");
printf("a Toggle subint/bin file horizontal axis\n");
printf("n Toggle display of satellite names in overlay\n");
printf("+ Zoom\n");
printf("-/x Unzoom\n");
printf("R Recompute traces\n");
printf("r Reset view\n");
printf("z Select part to zoom into\n");
printf("TAB/> Pan up through view\n");
printf("BKSP/< Pan down through view\n");
printf(". Pan right through view\n");
printf(", Pan left through view\n");
printf("1-9 Zoom level\n");
continue;
}
// Quit
if (c=='q')
break;
// Toggle bin axis
if (c=='a') {
if (binaxis==0)
binaxis=1;
else
binaxis=0;
redraw=1;
}
// Toggle grid
if (c=='k') {
if (grid==0)
grid=1;
else
grid=0;
mjdgrid=s.mjd[(int) floor(x)];
redraw=1;
}
// Track
if (c=='t') {
for (i=0;i<nsat;i++) {
printf("Locating trace for object %05d\n",t[i].satno);
if (graves==0)
locate_trace(s,t[i],site_id,sel.sigma,sel.w,sel.w,graves);
else
locate_trace(s,t[i],site_id,sel.sigma,10.0,sel.w,graves);
}
}
// Select start
if (c=='s') {
if (sel.n < NMAX) {
sel.x[sel.n]=x;
sel.y[sel.n]=y;
sel.n++;
redraw=1;
} else {
printf("Maximum number of %i selection point reached.\n", NMAX);
}
continue;
}
if (c=='g')
filter(s,site_id,sel.sigma,graves);
if (c=='G') {
i0=(int) floor(xmin);
i1=(int) ceil(xmax);
j0=(int) floor(ymin);
j1=(int) ceil(ymax);
if (i0<0)
i0=0;
if (i1>=s.nsub)
i1=s.nsub-1;
if (j0<0)
j0=0;
if (j1>=s.nchan)
j1=s.nchan-1;
peakfind(s,site_id,i0,i1,j0,j1);
}
// Fit
if (c=='f') {
tf=fit_trace(s,sel,site_id,graves);
tf.site=site_id;
continue;
}
// Fit
if (c=='F') {
tf=fit_gaussian_trace(s,sel,site_id,graves);
tf.site=site_id;
continue;
}
// Identify
if (c=='i') {
if (graves==0)
identify_trace(tlefile,tf,0,freqlist);
else
identify_trace_graves(tlefile,tf,0,freqlist);
redraw=1;
continue;
}
// Set selection
if (c=='S') {
printf("Current selection width: %g pixels\n",sel.w);
printf("Current sigma: %g\n",sel.sigma);
printf("Provide selection width (pixels), and sigma: ");
status=scanf("%f %f",&sel.w,&sel.sigma);
printf("New selection width: %g pixels\n",sel.w);
printf("New sigma: %g\n",sel.sigma);
continue;
}
// Identify
if (c=='I') {
printf("Provide satno: ");
status=scanf("%d",&satno);
identify_trace(tlefile,tf,satno,freqlist);
redraw=1;
continue;
}
// Undo
if (c=='u') {
if (sel.n > 0) {
sel.n--;
redraw=1;
}
}
// Increase
if (c=='v') {
zmax*=1.01;
redraw=1;
printf("Zmax: %g\n",zmax);
continue;
}
if (c=='b') {
zmax*=0.99;
redraw=1;
printf("Zmax: %g\n",zmax);
continue;
}
if (c=='Z') {
printf("zmin,zmax\n");
status=scanf("%f %f",&zmin,&zmax);
printf("%f %f\n",zmin,zmax);
redraw=1;
continue;
}
// Locate
if (c=='l') {
i0=(int) x;
jmax=(int) y;
for (i=i0;;i++) {
j0=(int) floor(jmax-10);
j1=(int) ceil(jmax+10);
if (i<(int) xmin)
break;
if (i>=(int) xmax)
break;
if (j0<0)
j0=0;
if (j1>=s.nchan)
j1=s.nchan-1;
zzmax=0.0;
jmax=0;
for (j=j0;j<j1;j++) {
if (s.z[i+s.nsub*j]>zzmax) {
zzmax=s.z[i+s.nsub*j];
jmax=j;
}
}
printf("%d\n",jmax);
cpgpt1((float) i,(float) jmax,17);
}
i0=(int) x;
jmax=(int) y;
for (i=i0;;i--) {
j0=(int) floor(jmax-10);
j1=(int) ceil(jmax+10);
if (i<(int) xmin)
break;
if (i>=(int) xmax)
break;
if (j0<0)
j0=0;
if (j1>=s.nchan)
j1=s.nchan-1;
zzmax=0.0;
jmax=0;
for (j=j0;j<j1;j++) {
if (s.z[i+s.nsub*j]>zzmax) {
zzmax=s.z[i+s.nsub*j];
jmax=j;
}
}
printf("%d\n",jmax);
cpgpt1((float) i,(float) jmax,17);
}
continue;
}
// Mark single point
if (c=='D') {
file=fopen("mark.dat","a");
i=(int) floor(x);
j=(int) floor(y);
if (inside_window==0) {
printf("no data under the cursor\n");
continue;
}
f=s.freq-0.5*s.samp_rate+(double) j*s.samp_rate/(double) s.nchan;
if (s.mjd[i]>1.0) {
if (graves==0)
fprintf(file,"%lf %lf %f %d\n",s.mjd[i],f,s.z[i+s.nsub*j],site_id);
else
fprintf(file,"%lf %lf %f %d 9999\n",s.mjd[i],f,s.z[i+s.nsub*j],site_id);
printf("%lf %lf %f %d\n",s.mjd[i],f,s.z[i+s.nsub*j],site_id);
}
fclose(file);
}
// Fit single wideband point
if (c=='w') {
file=fopen("mark.dat","a");
// Fit point
yfit=fit_gaussian_point(s,x,y,sel,site_id,graves);
cpgpt1(x,yfit,17);
i=(int) floor(x);
f=s.freq-0.5*s.samp_rate+(double) yfit*s.samp_rate/(double) s.nchan;
if (s.mjd[i]>1.0) {
if (graves==0)
fprintf(file,"%lf %lf %f %d\n",s.mjd[i],f,s.z[i+s.nsub*j],site_id);
else
fprintf(file,"%lf %lf %f %d 9999\n",s.mjd[i],f,s.z[i+s.nsub*j],site_id);
printf("%lf %lf %f %d\n",s.mjd[i],f,s.z[i+s.nsub*j],site_id);
}
fclose(file);
}
// Mark
if (c=='m') {
if (inside_window==0) {
printf("no data under the cursor\n");
continue;
}
i0=(int) floor(xmin);
i1=(int) ceil(xmax);
j0=(int) floor(ymin);
j1=(int) ceil(ymax);
if (i0<0)
i0=0;
if (i1>=s.nsub)
i1=s.nsub-1;
if (j0<0)
j0=0;
if (j1>=s.nchan)
j1=s.nchan-1;
file=fopen("out.dat","w");
// Loop over image
for (i=i0;i<i1;i++) {
zzmax=0.0;
jmax=0;
s1=0.0;
s2=0.0;
sn=0;
for (j=j0;j<j1;j++) {
z=s.z[i+s.nsub*j];
if (z>zzmax) {
zzmax=z;
jmax=j;
}
s1+=z;
s2+=z*z;
sn++;
}
za=s1/(float) sn;
zs=sqrt(s2/(float) sn-za*za);
sigma=(zzmax-za)/zs;
f=s.freq-0.5*s.samp_rate+(double) jmax*s.samp_rate/(double) s.nchan;
if (sigma>5.0 && s.mjd[i]>1.0) {
if (graves==0)
fprintf(file,"%lf %lf %f %d\n",s.mjd[i],f,zzmax,site_id);
else
fprintf(file,"%lf %lf %f %d 9999\n",s.mjd[i],f,zzmax,site_id);
cpgpt1((float) i,(float) jmax,17);
}
}
fclose(file);
}
// Center
if (c=='c') {
xmin=x-width;
xmax=x+width;
ymin=y-width;
ymax=y+width;
redraw=1;
continue;
}
// Color map
if (c=='C') {
cmap++;
if (cmap>3)
cmap=0;
redraw=1;
continue;
}
// Toggle overlay
if (c=='p' || c=='X') {
if (foverlay==0)
foverlay=1;
else if (foverlay==1)
foverlay=0;
redraw=1;
}
// Toggle display of satellite names in overlay
if (c == 'n') {
if (show_names == 0) {
show_names = 1;
} else if (show_names == 1) {
show_names = 0;
}
redraw=1;
}
// Width
if (isdigit(c)) {
if (c=='0')
continue;
width=1000.0/(c-'0');
xmin=x-width;
xmax=x+width;
ymin=y-width;
ymax=y+width;
redraw=1;
continue;
}
// Zoom
if (c=='+' || c=='=') {
width/=1.5;
xmin=x-width;
xmax=x+width;
ymin=y-width;
ymax=y+width;
redraw=1;
continue;
}
// Unzoom
if (c=='x' || c=='-') {
width*=1.5;
xmin=x-width;
xmax=x+width;
ymin=y-width;
ymax=y+width;
redraw=1;
continue;
}
// Recompute traces
if (c=='R') {
t=compute_trace(tlefile,s.mjd,s.nsub,site_id,s.freq*1e-6,s.samp_rate*1e-6,&nsat,graves,freqlist);
redraw=1;
continue;
}
// Reset
if (c=='r') {
xmin=0.0;
xmax=(float) s.nsub;
ymin=0.0;
ymax=(float) s.nchan;
sel.n=0;
jx=-1;
jy=-1;
width=1500;
redraw=1;
continue;
}
// Zoom
if (c=='z') {
click=1;
mode=2;
}
// Pan
if (c==',' || c=='.' || c=='<' || c=='>' || c=='\t' || c=='\b') {
// Image width
nx = (int) ceil(s.nsub / width);
ny = (int) ceil(s.nchan / width);
// Pan left
if (c==',') {
jx--;
// Pan right
} else if (c=='.') {
jx++;
// Pan down
} else if (c=='<' || c=='\b') {
jy--;
// Pan up
} else if (c=='>' || c=='\t') {
jy++;
}
// Keep in range
if (jx>=nx*ny)
jx=0;
if (jx<0)
jx=nx*ny-1;
if (jy>=nx*ny)
jy=0;
if (jy<0)
jy=nx*ny-1;
// Get indices from counters
if (c==',' || c=='.') {
iy = (int) floor(jx / nx);
ix = jx - iy * nx;
jy = iy + ny * ix;
}
if (c=='<' || c=='>' || c=='\t' || c=='\b') {
ix = (int) floor(jy / ny);
iy = jy - ix * ny;
jx = ix + nx * iy;
}
// Set area
x=width*(ix+0.5);
y=width*(iy+0.5);
xmin=x-0.75*width;
xmax=x+0.75*width;
ymin=y-0.75*width;
ymax=y+0.75*width;
redraw=1;
continue;
}
// Execute zoom, or box delete
if (c=='A') {
if (click==0) {
click=1;
} else if (click==1 && mode==2) {
xmin=(x0<x) ? x0 : x;
xmax=(x0>x) ? x0 : x;
ymin=(y0<y) ? y0 : y;
ymax=(y0>y) ? y0 : y;
click=0;
mode=0;
redraw=1;
} else {
click=0;
mode=0;
redraw=1;
}
}
// Save
x0=x;
y0=y;
}
cpgend();
// Free
free(s.z);
free(s.zavg);
free(s.zstd);
free(s.mjd);
free(s.length);
if (tf.n>0) {
free(tf.mjd);
free(tf.freq);
free(tf.za);
}
for (i=0;i<nsat;i++) {
free(t[i].mjd);
free(t[i].freq);
free(t[i].za);
}
free(gd.x);
free(gd.y);
free(gd.ym);
return 0;
}
// Convert Decimal into Sexagesimal
void dec2sex(double x,char *s,int f,int len)
{
int i;
double sec,deg,min;
char sign;
char *form[]={"::",",,","hms"," "};
sign=(x<0 ? '-' : ' ');
x=3600.*fabs(x);
sec=fmod(x,60.);
x=(x-sec)/60.;
min=fmod(x,60.);
x=(x-min)/60.;
// deg=fmod(x,60.);
deg=x;
if (len==7) sprintf(s,"%c%02i%c%02i%c%07.4f%c",sign,(int) deg,form[f][0],(int) min,form[f][1],sec,form[f][2]);
if (len==6) sprintf(s,"%c%02i%c%02i%c%06.3f%c",sign,(int) deg,form[f][0],(int) min,form[f][1],sec,form[f][2]);
if (len==5) sprintf(s,"%c%02i%c%02i%c%05.2f%c",sign,(int) deg,form[f][0],(int) min,form[f][1],sec,form[f][2]);
if (len==4) sprintf(s,"%c%02i%c%02i%c%04.1f%c",sign,(int) deg,form[f][0],(int) min,form[f][1],sec,form[f][2]);
if (len==2) sprintf(s,"%c%02i%c%02i%c%02i%c",sign,(int) deg,form[f][0],(int) min,form[f][1],(int) floor(sec),form[f][2]);
if (len==1) sprintf(s,"%02i%c%02i%c%02i",(int) deg,form[f][0],(int) min,form[f][1],(int) floor(sec));
if (len==0) sprintf(s,"%02i%c%02i",(int) deg,form[f][0],(int) min,form[f][1]);
return;
}
void time_axis(double *mjd,int n,float xmin,float xmax,float ymin,float ymax)
{
int i,imin,imax;
double mjdt,mjdmin,mjdmax;
float dt,t,tmin,tmax;
int lsec,ssec,sec;
char stime[16];
// Find extrema
imin=(int) xmin;
if (imin<0)
imin=0;
imax=(int) xmax;
if (imax>=n)
imax=n-1;
mjdmin=mjd[imin];
mjdmax=mjd[imax];
// Do not plot axis if no data is available
if (mjdmin==0.0 && mjdmax==0.0)
return;
// Correct maximum
if (mjdmax==0.0) {
for (i=0;i<n;i++)
if (mjd[i]>mjdmax)
mjdmax=mjd[i];
}
dt=(float) 86400*(mjdmax-mjdmin);
// Choose tickmarks
if (dt>43000) {
lsec=10800;
ssec=3600;
} else if (dt>21600) {
lsec=10800;
ssec=3600;
} else if (dt>7200) {
lsec=1800;
ssec=300;
} else if (dt>3600) {
lsec=600;
ssec=120;
} else if (dt>900) {
lsec=300;
ssec=60;
} else if (dt>300) {
lsec=120;
ssec=60;
} else {
lsec=20;
ssec=5;
}
// Extrema
tmin=86400.0*(mjdmin-floor(mjdmin));
tmax=tmin+dt;
tmin=lsec*floor(tmin/lsec);
tmax=lsec*ceil(tmax/lsec);
// Large tickmarks
for (t=tmin;t<=tmax;t+=lsec) {
mjdt=floor(mjdmin)+t/86400.0;
if (mjdt>=mjdmin && mjdt<mjdmax) {
for (i=0;i<n-1;i++)
if (mjdt>=mjd[i] && mjdt<mjd[i+1])
break;
sec=(int) floor(fmod(t,86400.0));
if (dt < 300)
dec2sex(((float) sec+0.1)/3600.0,stime,0,1);
else
dec2sex(((float) sec+0.1)/3600.0,stime,0,0);
cpgtick(xmin,ymin,xmax,ymin,((float) i-xmin)/(xmax-xmin),0.5,0.5,0.3,0.0,stime);
}