void setup (Integration* subint, unsigned ichan)
{
Pulsar::MoreProfiles* more = NULL;
unsigned npol = subint->get_npol();
if (auxiliary)
{
more = subint->get_Profile (0,ichan)->get<Pulsar::MoreProfiles>();
npol = more->get_size();
}
try {
vector<unsigned> pols = ::indeces (npol, indeces);
profiles.resize (pols.size());
for (unsigned ipol=0; ipol < pols.size(); ipol++)
{
if (more)
profiles[ipol] = more->get_Profile( pols[ipol] );
else
profiles[ipol] = subint->get_Profile ( pols[ipol],ichan);
}
}
catch (...)
{
// if parsing indeces fails, then assume that letter codes are used
Reference::To<const PolnProfile> profile = new_Stokes (subint, ichan);
profiles.resize (indeces.length());
for (unsigned ipol=0; ipol < indeces.length(); ipol++)
profiles[ipol] = new_Profile (profile, indeces[ipol]);
}
}
int main(int argc, char *argv[]) {
/* Process any args */
int opt=0;
int verb=0;
string expression;
while ((opt=getopt(argc,argv,"hve:E:"))!=-1) {
switch (opt) {
case 'v':
verb++;
Archive::set_verbosity(verb);
break;
case 'e':
output_ext.assign(optarg);
break;
case 'E':
expression = optarg;
break;
case 'h':
default:
usage();
usage_interactive();
exit(0);
break;
}
}
if (optind==argc) {
usage();
cerr << PROG ": No filename given" << endl;
exit(-1);
}
/* Load file */
string filename = argv[optind];
Reference::To<Archive> orig_arch = Archive::load(filename);
Reference::To<Archive> arch = orig_arch->clone();
arch->dedisperse();
arch->remove_baseline();
double bw = arch->get_bandwidth();
string output_filename = replace_extension(filename, output_ext);
string psrsh_filename = replace_extension(filename,"psh");
// Create profile plots
Reference::To<Archive> tot_arch=NULL,pf_arch=NULL,pt_arch=NULL;
ProfilePlot *totplot=NULL;
PhaseVsFrequency *pfplot=NULL;
PhaseVsTime *ptplot=NULL;
int totplot_id;
totplot = new ProfilePlot;
pfplot = new PhaseVsFrequency;
ptplot= new PhaseVsTime;
// Create window and subdivide
totplot_id = cpgopen("/xs");
cpgpap(0.0,1.5);
cpgsubp(1,3);
// Create Dynamic Spectrum Plot
DynamicBaselineSpectrumPlot *dsplot = new DynamicBaselineSpectrumPlot;
if (!expression.empty())
dsplot->configure("exp="+expression);
else
dsplot->configure("var=1");
dsplot->set_reuse_baseline();
int dsplot_id = cpgopen("/xs");
if (dsplot_id<=0) {
cerr << PROG ": PGPLOT xwindows device open failed, exiting." << endl;
exit(1);
}
cpgask(0);
/* Input loop */
char ch='\0';
enum cursor_type curs=both_cursor;
float x0=0.0, y0=0.0, x1, y1;
int click=0, mode=0;
int pol=0,izap=0;
bool redraw=true, var=true, log=false, resum=true,remove_baseline=false,method=false;
struct zap_range zap;
vector<struct zap_range> zap_list;
do {
/* Redraw the plot if necessary */
if (redraw) {
char conf[256];
sprintf(conf, "above:c=$file\\n%s %s, %s scale, %s baseline, pol %d.",
method ? "total" : "off-pulse" ,
var ? "variance" : "mean",
log ? "log" : "linear",
remove_baseline ? "variable" : "constant",
pol);
dsplot->configure(conf);
cpgslct(dsplot_id);
//cpgeras();
cpgpage();
dsplot->plot(arch);
if (resum) {
// Total
tot_arch = arch->total();
cpgslct(totplot_id);
cpgpanl(1,1);
cpgeras();
totplot->plot(tot_arch);
// pulse vs frequency
pf_arch = arch->clone();
pf_arch->pscrunch();
pt_arch = pf_arch->clone();
pf_arch->tscrunch();
// pf_arch->remove_baseline();
cpgpanl(1,2);
cpgeras();
pfplot->plot(pf_arch);
// pulse vs time
pt_arch->fscrunch();
// pt_arch->remove_baseline();
cpgpanl(1,3);
cpgeras();
ptplot->plot(pt_arch);
cpgslct(dsplot_id);
resum = false;
}
redraw = false;
cpgslct(dsplot_id);
}
// Mark zapped profiles
for (unsigned i=izap; i<zap_list.size(); i++) {
float df=zap_list[i].freq0-zap_list[i].freq1;
float dt=zap_list[i].sub0-zap_list[i].sub1;
cpgsfs(2);
cpgsci(2);
if (fabs(df)<0.001 && fabs(dt)<0.001)
cpgpt1(zap_list[i].sub0+0.5,zap_list[i].freq0,2);
else
cpgrect(zap_list[i].sub0+0.5,zap_list[i].sub1+0.5,zap_list[i].freq0,zap_list[i].freq1);
cpgsci(1);
}
/* On click 0 get start of a range */
if (click==0) {
if (curs==freq_cursor) mode=5;
else if (curs==time_cursor) mode=6;
else if (curs==both_cursor) mode=7;
cpgband(mode,0,0,0,&x0,&y0,&ch);
}
/* On click 1 get the end of a range */
else if (click==1) {
if (curs==freq_cursor) mode=3;
else if (curs==time_cursor) mode=4;
else if (curs==both_cursor) mode=2;
cpgband(mode,0,x0,y0,&x1,&y1,&ch);
}
#if 0
/* Debug */
printf("x0=%.3f y0=%.3f x1=%.3f y1=%.3f ch='%c' click=%d\n",
x0, y0, x1, y1, ch, click);
#endif
/* Left mouse click = zoom*/
if (ch=='A') {
if (click==0) { click=1; continue; }
if (click==1) {
/* Do zoom here */
char conf[256];
float tmp,t0,t1;
if (curs==freq_cursor || curs==both_cursor) {
if (bw>0 && y0>y1) { tmp=y0; y0=y1; y1=tmp; }
if (bw<0 && y0<y1) { tmp=y0; y0=y1; y1=tmp; }
sprintf(conf,"y:win=(%.3f,%.3f)",y0,y1);
dsplot->configure(string(conf));
pfplot->configure(string(conf));
}
if (curs==time_cursor || curs==both_cursor) {
if (x0>x1) { tmp=x0; x0=x1; x1=tmp; }
sprintf(conf,"srange=(%d,%d)",(int)x0,(int)x1);
dsplot->configure(string(conf));
t0=sub2time(pt_arch,(int) x0);
t1=sub2time(pt_arch,(int) x1);
sprintf(conf,"y:win=(%.3f,%.3f)",t0,t1);
ptplot->configure(string(conf));
}
redraw = true;
click = 0;
continue;
}
}
/* Middle mouse click = redraw diagnostics */
if (ch=='D' || ch==CMD_UPDATE) {
redraw = true;
resum = true;
izap=zap_list.size();
continue;
}
/* Right mouse click = zap */
if (ch=='X') {
/* Zap a single row or pixel */
if (click==0) {
zap.freq0 = zap.freq1 = y0;
zap.sub0 = zap.sub1 = (int)x0;
}
/* Zap a range */
if (click==1) {
zap.freq0 = y0;
zap.freq1 = y1;
zap.sub0 = (int)x0;
zap.sub1 = (int)x1;
}
/* Apply it */
zap.type = curs;
apply_zap(arch, &zap);
zap_list.push_back(zap);
redraw = false;
resum = false;
click=0;
continue;
}
/* Undo last zap */
if (ch==CMD_UNDO) {
if (!zap_list.empty()) {
zap = zap_list.back();
apply_zap_range(arch, &zap, true, orig_arch);
zap_list.pop_back();
/* Reapply whole list in case of overlapping zaps */
for (unsigned i=0; i<zap_list.size(); i++) {
zap = zap_list[i];
apply_zap_range(arch, &zap);
}
redraw = true;
resum = false;
}
click = 0;
continue;
}
/* Show help */
if (ch==CMD_HELP) {
usage_interactive();
click = 0;
continue;
}
/* Esc = cancel */
if (ch==27) {
click=0;
continue;
}
/* Switch to freq mode */
if (ch==CMD_FREQMODE) {
curs = freq_cursor;
click = 0;
continue;
}
/* Switch to time mode */
if (ch==CMD_TIMEMODE) {
curs = time_cursor;
click = 0;
continue;
}
/* Switch to time/freq mode */
if (ch==CMD_BOTHMODE) {
curs = both_cursor;
click = 0;
continue;
}
/* Toggle variance plot */
if (ch==CMD_VAR) {
var = !var;
redraw = true;
if (var)
dsplot->configure("var=1");
else
dsplot->configure("var=0");
click = 0;
continue;
}
// Toggle dynamic spectrum
if (ch==CMD_METHOD) {
method = !method;
redraw = true;
if (method)
dsplot->configure("method=1");
else
dsplot->configure("method=0");
click = 0;
continue;
}
/* toggle log scale */
if (ch==CMD_LOG) {
log = !log;
redraw = true;
if (log)
dsplot->configure("cmap:log=1");
else
dsplot->configure("cmap:log=0");
click = 0;
continue;
}
/* Flip through polarizations */
if (ch==CMD_POL) {
pol = (pol + 1) % arch->get_npol();
char conf[256];
sprintf(conf, "pol=%d", pol);
dsplot->configure(conf);
redraw = true;
click = 0;
continue;
}
/* Unset zoom */
if (ch==CMD_UNZOOM) {
dsplot->configure("srange=(-1,-1)");
dsplot->configure("y:win=(0,0)");
pfplot->configure("y:win=(0,0)");
ptplot->configure("y:win=(0,0)");
redraw = true;
click = 0;
izap=zap_list.size();
continue;
}
/* Save file */
if (ch==CMD_SAVE || ch==CMD_SAVE_QUIT) {
/* Apply zaps to original file */
for (unsigned i=0; i<zap_list.size(); i++) {
zap = zap_list[i];
apply_zap_range(orig_arch, &zap);
}
cout << "Unloading '" << output_filename << "'..." << endl;
orig_arch->unload(output_filename);
click = 0;
if (ch==CMD_SAVE_QUIT) { ch=CMD_QUIT; }
continue;
}
/* Print paz command */
if (ch==CMD_PRINT) {
char *cstr;
cstr=new char [output_ext.size()+1];
strcpy(cstr,output_ext.c_str());
if (zap_list.size()>0)
printf("paz -e %s",cstr);
/* Full time/freq zaps */
for (unsigned i=0; i<zap_list.size(); i++) {
if (zap_list[i].type == freq_cursor) {
int chan0 = freq2chan(arch, zap_list[i].freq0);
int chan1 = freq2chan(arch, zap_list[i].freq1);
if (chan1<chan0) { int tmp=chan0; chan0=chan1; chan1=tmp; }
if (chan0==chan1)
printf(" -z %d", chan0);
else
printf(" -Z \"%d %d\"", chan0, chan1);
} else if (zap_list[i].type == time_cursor) {
if (zap_list[i].sub0==zap_list[i].sub1)
printf(" -w %d", zap_list[i].sub0);
else
printf(" -W \"%d %d\"", zap_list[i].sub0, zap_list[i].sub1);
}
}
if (zap_list.size()>0)
printf(" %s\n", filename.c_str());
/* Small ranges */
for (unsigned i=0; i<zap_list.size(); i++) {
if (zap_list[i].type == both_cursor) {
printf("paz -m -I");
int chan0 = freq2chan(arch, zap_list[i].freq0);
int chan1 = freq2chan(arch, zap_list[i].freq1);
if (chan1<chan0) { int tmp=chan0; chan0=chan1; chan1=tmp; }
if (chan0==chan1)
printf(" -z %d", chan0);
else
printf(" -Z \"%d %d\"", chan0, chan1);
if (zap_list[i].sub0==zap_list[i].sub1)
printf(" -w %d", zap_list[i].sub0);
else
printf(" -W \"%d %d\"", zap_list[i].sub0, zap_list[i].sub1);
cstr=new char [output_filename.size()+1];
strcpy(cstr,output_filename.c_str());
printf(" %s\n", (char *) cstr);
}
}
}
// Toggle variable baseline
if (ch==CMD_BASELINE) {
// Set baselining strategy
if (remove_baseline) {
fprintf(stderr, "Unsetting remove_baseline_strategy.\n");
Pulsar::Archive::remove_baseline_strategy.set (new Pulsar::RemoveBaseline::Total, &Pulsar::RemoveBaseline::Total::transform);
remove_baseline=false;
arch=orig_arch->clone();
arch->dedisperse();
arch->remove_baseline();
for (unsigned i=0; i<zap_list.size(); i++) {
zap = zap_list[i];
apply_zap_range(arch, &zap);
}
} else {
fprintf(stderr, "Set remove_baseline_strategy.\n");
Pulsar::Archive::remove_baseline_strategy.set (new Pulsar::RemoveVariableBaseline, &Pulsar::RemoveVariableBaseline::transform);
remove_baseline=true;
arch=orig_arch->clone();
arch->dedisperse();
arch->remove_baseline();
for (unsigned i=0; i<zap_list.size(); i++) {
zap = zap_list[i];
apply_zap_range(arch, &zap);
}
}
redraw=true;
resum=true;
}
// Generate PSRSH script
if (ch==CMD_PSRSH) {
FILE *file;
file=fopen(psrsh_filename.c_str(),"w");
fprintf(file,"#!/usr/bin/env psrsh\n\n# Run with psrsh -e <ext> <script>.psh <archive>.ar\n\n");
// Full sub/chan zap
for (unsigned i=0; i<zap_list.size(); i++) {
if (zap_list[i].type == freq_cursor) {
int chan0 = freq2chan(arch, zap_list[i].freq0);
int chan1 = freq2chan(arch, zap_list[i].freq1);
if (chan1<chan0) { int tmp=chan0; chan0=chan1; chan1=tmp; }
if (chan0==chan1)
fprintf(file,"zap chan %d\n",chan0);
else
fprintf(file,"zap chan %d-%d\n", chan0, chan1);
} else if (zap_list[i].type == time_cursor) {
if (zap_list[i].sub0==zap_list[i].sub1)
fprintf(file,"zap subint %d\n", zap_list[i].sub0);
else
fprintf(file,"zap subint %d-%d\n", zap_list[i].sub0, zap_list[i].sub1);
}
}
// Subint/channel intersections
for (unsigned i=0; i<zap_list.size(); i++) {
if (zap_list[i].type == both_cursor) {
int chan0 = freq2chan(arch, zap_list[i].freq0);
int chan1 = freq2chan(arch, zap_list[i].freq1);
int sub0 = zap_list[i].sub0;
int sub1 = zap_list[i].sub1;
if (chan1<chan0) { int tmp=chan0; chan0=chan1; chan1=tmp; }
if (chan0==chan1 && sub0==sub1) {
fprintf(file,"zap such %d,%d\n",sub0,chan0);
} else {
fprintf(file,"zap such");
for (int sub=sub0;sub<=sub1;sub++) {
for (int chan=chan0;chan<=chan1;chan++) {
fprintf(file," %d,%d",sub,chan);
}
}
fprintf(file,"\n");
}
}
}
fclose(file);
printf("PSRSH script written\n");
}
} while (ch!=CMD_QUIT);
}
int main (int argc, char *argv[]) try {
bool verbose = false;
char* metafile = 0;
string ulpath;
bool save = false;
string ext;
bool tscr = false;
int tscr_fac = 0;
bool fscr = false;
int fscr_fac = 0;
bool bscr = false;
int bscr_fac = 0;
bool newdm = false;
double dm = 0.0;
bool scattered_power_correction = false;
bool defaraday = false;
bool newrm = false;
double rm = 0.0;
bool reset_weights = false;
float new_weight = 1.0;
float smear_dc = 0.0;
bool rotate = false;
double rphase = 0.0;
bool dedisperse = false;
bool dededisperse = false;
bool pscr = false;
bool invint = false;
bool stokesify = false;
bool unstokesify = false;
bool flipsb = false;
bool flip_freq = false;
double flip_freq_mhz = 0.0;
Pulsar::Parameters* new_eph = 0;
string command = "pam";
char* archive_class = 0;
int new_nchn = 0;
int new_nsub = 0;
int new_nbin = 0;
float tsub = 0.0;
bool circ = false;
bool lin = false;
unsigned ronsub = 0;
bool cbppo = false;
bool cbpao = false;
bool cblpo = false;
bool cblao = false;
int subint_extract_start = -1;
int subint_extract_end = -1;
bool new_cfreq = false;
double new_fr = 0.0;
Signal::Source new_type = Signal::Unknown;
string instrument;
bool reverse_freqs = false;
string site;
string name;
float mult = -1.0;
double new_folding_period = -1.0;
bool update_dm_from_eph = false;
double aux_rm = 0.0;
Reference::To<Pulsar::IntegrationOrder> myio;
Reference::To<Pulsar::Receiver> install_receiver;
Pulsar::ReflectStokes reflections;
int c = 0;
const int TYPE = 1208;
const int INST = 1209;
const int REVERSE_FREQS = 1210;
const int SITE = 1211;
const int NAME = 1212;
const int DD = 1213;
const int RR = 1214;
const int SPC = 1215;
const int RM = 1216;
const int MULT = 1218;
const int PERIOD=1219;
const int SS = 1220;
const int FLIP = 1221;
const int UPDATE_DM = 1222;
const int AUX_RM = 1223;
while (1) {
int options_index = 0;
static struct option long_options[] = {
{"setnchn", 1, 0, 200},
{"setnsub", 1, 0, 201},
{"setnbin", 1, 0, 202},
{"binphsperi", 1, 0, 203},
{"binphsasc", 1, 0, 204},
{"binlngperi", 1, 0, 205},
{"binlngasc", 1, 0, 206},
{"receiver", 1, 0, 207},
{"settsub", 1, 0, 208},
{"type", 1, 0, TYPE},
{"inst", 1, 0, INST},
{"reverse_freqs",no_argument,0,REVERSE_FREQS},
{"flip", 1 ,0, FLIP},
{"site", 1, 0, SITE},
{"name", 1, 0, NAME},
{"DD", no_argument, 0,DD},
{"RR", no_argument, 0,RR},
{"RM", required_argument,0,RM},
{"spc", no_argument, 0,SPC},
{"mult", required_argument,0,MULT},
{"period", required_argument,0,PERIOD},
{"SS", no_argument, 0,SS},
{"update_dm", no_argument, 0,UPDATE_DM},
{"aux_rm", required_argument,0,AUX_RM},
{0, 0, 0, 0}
};
c = getopt_long(argc, argv, "hqvViM:mn:a:e:E:TFpIt:f:b:d:o:s:r:u:w:DSBLCx:R:",
long_options, &options_index);
if (c == -1)
break;
switch (c) {
case 'h':
usage();
return (0);
break;
case 'q':
Pulsar::Archive::set_verbosity(0);
break;
case 'v':
verbose = true;
Pulsar::Archive::set_verbosity(2);
break;
case 'V':
verbose = true;
Pulsar::Archive::set_verbosity(3);
break;
case 'i':
cout << "$Id: pam.C,v 1.101 2010/10/05 23:59:50 jonathan_khoo Exp $" << endl;
return 0;
case 'm':
save = true;
break;
case 'M':
metafile = optarg;
break;
case 'L':
lin = true;
break;
case 'C':
circ = true;
break;
case 'a':
archive_class = optarg;
break;
case 'e':
ext = optarg;
if( !ext.empty() )
save = true;
break;
case 'E':
try {
new_eph = factory<Pulsar::Parameters> (optarg);
}
catch (Error& error) {
cerr << "Could not load new ephemeris from " << optarg << endl;
return -1;
}
command += " -E";
break;
case 'T':
tscr = true;
command += " -T";
break;
case 'F':
fscr = true;
command += " -F";
break;
case 'p':
pscr = true;
command += " -p";
break;
case 'I':
invint = true;
pscr = false;
command += " -I";
break;
case 'f':
fscr = true;
if (sscanf(optarg, "%d", &fscr_fac) != 1) {
cout << "That is not a valid fscrunch factor" << endl;
return -1;
}
command += " -f ";
command += optarg;
break;
case 'n':
reflections.add_reflection( optarg[0] );
command += " -n ";
command += optarg;
break;
case 'o':
new_cfreq = true;
if (sscanf(optarg, "%lf", &new_fr) != 1) {
cout << "That is not a valid centre frequency" << endl;
return -1;
}
command += " -o ";
command += optarg;
break;
case 't':
tscr = true;
if (sscanf(optarg, "%d", &tscr_fac) != 1) {
cout << "That is not a valid tscrunch factor" << endl;
return -1;
}
command += " -t ";
command += optarg;
break;
case 'b':
bscr = true;
if (sscanf(optarg, "%d", &bscr_fac) != 1) {
cout << "That is not a valid bscrunch factor" << endl;
return -1;
}
if (bscr_fac <= 0) {
cout << "That is not a valid bscrunch factor" << endl;
return -1;
}
command += " -b ";
command += optarg;
break;
case 'd':
newdm = true;
if (sscanf(optarg, "%lf", &dm) != 1) {
cout << "That is not a valid dispersion measure" << endl;
return -1;
}
command += " -d ";
command += optarg;
break;
case 'D':
dedisperse = true;
command += " -D ";
break;
case 'R':
if (sscanf(optarg, "%lf", &rm) != 1) {
cout << "That is not a valid rotation measure" << endl;
return -1;
}
newrm = true;
defaraday = true;
command += " -R ";
command += optarg;
break;
case 's':
if (sscanf(optarg, "%f", &smear_dc) != 1) {
cout << "That is not a valid smearing duty cycle" << endl;
return -1;
}
command += " -s ";
command += optarg;
break;
case 'r':
rotate = true;
if (sscanf(optarg, "%lf", &rphase) != 1) {
cout << "That is not a valid rotation phase" << endl;
return -1;
}
if (rphase <= -1.0 || rphase >= 1.0) {
cout << "That is not a valid rotation phase" << endl;
return -1;
}
command += " -r ";
command += optarg;
break;
case 'u':
ulpath = optarg;
if( !ulpath.empty() )
{
save = true;
if (ulpath.substr(ulpath.length()-1,1) != "/")
ulpath += "/";
}
break;
case 'w':
reset_weights = true;
if (sscanf(optarg, "%f", &new_weight) != 1) {
cout << "That is not a valid weight" << endl;
return -1;
}
command += " -w ";
command += optarg;
break;
case 'S':
stokesify = true;
break;
case SS:
unstokesify = true;
break;
case 'B':
flipsb = true;
break;
case 'x' :
if (sscanf(optarg, "%d %d",
&subint_extract_start, &subint_extract_end) !=2 ) {
cout << "That is not a valid subint range" << endl;
return -1;
}
subint_extract_end++;
break;
case 200:
fscr = true;
if (sscanf(optarg, "%d", &new_nchn) != 1) {
cout << "That is not a valid number of channels" << endl;
return -1;
}
if (new_nchn <= 0) {
cout << "That is not a valid number of channels" << endl;
return -1;
}
command += " --setnchn ";
command += optarg;
break;
case 201:
tscr = true;
if (sscanf(optarg, "%d", &new_nsub) != 1) {
cout << "That is not a valid number of subints" << endl;
return -1;
}
if (new_nsub <= 0) {
cout << "That is not a valid number of subints" << endl;
return -1;
}
command += " --setnsub ";
command += optarg;
break;
case 202:
bscr = true;
if (sscanf(optarg, "%d", &new_nbin) != 1) {
cout << "That is not a valid number of bins" << endl;
return -1;
}
if (new_nbin <= 0) {
cout << "That is not a valid number of bins" << endl;
return -1;
}
command += " --setnbin ";
command += optarg;
break;
case 203: {
if (cbpao || cblpo || cblao) {
cerr << "You can only specify one re-ordering scheme!"
<< endl;
return -1;
}
if (sscanf(optarg, "%ud", &ronsub) != 1) {
cerr << "Invalid nsub given" << endl;
return -1;
}
cbppo = true;
break;
}
case 204: {
if (cbppo || cblpo || cblao) {
cerr << "You can only specify one re-ordering scheme!"
<< endl;
return -1;
}
if (sscanf(optarg, "%ud", &ronsub) != 1) {
cerr << "Invalid nsub given" << endl;
return -1;
}
cbpao = true;
break;
}
case 205: {
if (cblao || cbppo || cbpao) {
cerr << "You can only specify one re-ordering scheme!"
<< endl;
return -1;
}
if (sscanf(optarg, "%ud", &ronsub) != 1) {
cerr << "Invalid nsub given" << endl;
return -1;
}
cblpo = true;
break;
}
case 206: {
if (cblpo || cbppo || cbpao) {
cerr << "You can only specify one re-ordering scheme!"
<< endl;
return -1;
}
if (sscanf(optarg, "%ud", &ronsub) != 1) {
cerr << "Invalid nsub given" << endl;
return -1;
}
cblao = true;
break;
}
case 207: try {
install_receiver = Pulsar::Receiver::load (optarg);
break;
}
catch (Error& error) {
cerr << "pam: Error loading Receiver from " << optarg << endl
<< error.get_message() << endl;
return -1;
}
case 208: {
if (sscanf(optarg, "%f", &tsub) != 1) {
cerr << "Invalid tsub given" << endl;
return -1;
}
tscr = true;
break;
}
case TYPE:
{
string s = optarg;
if(s=="Pulsar") new_type = Signal::Pulsar;
else if(s=="PolnCal") new_type = Signal::PolnCal;
else if(s=="FluxCalOn") new_type = Signal::FluxCalOn;
else if(s=="FluxCalOff") new_type = Signal::FluxCalOff;
else if(s=="Calibrator") new_type = Signal::Calibrator;
else{
fprintf(stderr,"Unrecognised argument to --type: '%s'\n",optarg);
exit(-1);
}
command += " --type " + s;
}
break;
case INST: instrument = optarg; break;
case REVERSE_FREQS: reverse_freqs = true; break;
case SITE: site = optarg; break;
case NAME: name = optarg; break;
case DD: dededisperse = true; break;
case RM:
aux_rm = fromstring<double>(optarg);
newrm = true;
command += " --RM ";
command += optarg;
break;
case SPC: scattered_power_correction = true; break;
case MULT: mult = atof(optarg); break;
case PERIOD: new_folding_period = fromstring<double>(optarg); break;
case FLIP: flip_freq = true; flip_freq_mhz = atof(optarg); break;
case UPDATE_DM: update_dm_from_eph = true; break;
case AUX_RM:
aux_rm = fromstring<double>(optarg);
command += " --aux_rm ";
command += optarg;
break;
default:
cout << "Unrecognised option" << endl;
}
}
if (verbose)
cerr << "pam: parsing filenames" << endl;
vector <string> filenames;
if (metafile)
stringfload (&filenames, metafile);
else
for (int ai=optind; ai<argc; ai++)
dirglob (&filenames, argv[ai]);
if (filenames.empty())
{
cerr << "pam: no filenames were specified" << endl;
exit(-1);
}
Reference::To<Pulsar::Archive> arch;
if (!save)
{
cout << "Changes will not be saved. Use -m, -u or -e to write results to disk"
<< endl;
}
if (stokesify && unstokesify)
{
cerr << "pam: Both -S and --SS options were given. Poln state will not be changed!" << endl;
stokesify = false;
unstokesify = false;
}
int flip_option_count=0;
if (flipsb) flip_option_count++;
if (flip_freq) flip_option_count++;
if (reverse_freqs) flip_option_count++;
if (flip_option_count > 1) {
cerr << "pam: More than one band-flip option was given, exiting." << endl;
exit(-1);
}
for (unsigned i = 0; i < filenames.size(); i++) try
{
if (verbose)
cerr << "Loading " << filenames[i] << endl;
arch = Pulsar::Archive::load(filenames[i]);
if( mult > 0.0 ){
for( unsigned isub=0; isub<arch->get_nsubint();isub++)
for( unsigned ichan=0; ichan<arch->get_nchan();ichan++)
for( unsigned ipol=0; ipol<arch->get_npol();ipol++)
arch->get_Profile(isub,ipol,ichan)->scale( mult );
}
if( new_folding_period > 0.0 ){
Pulsar::counter_drift( arch, new_folding_period, 0.0);
for( unsigned isub=0; isub<arch->get_nsubint();isub++)
arch->get_Integration(isub)->set_folding_period( new_folding_period );
}
if (install_receiver) {
if (verbose)
cerr << "pam: Installing receiver: " << install_receiver->get_name()
<< " in archive" << endl;
arch->add_extension (install_receiver);
}
if (lin || circ) {
Pulsar::Receiver* receiver = arch->get<Pulsar::Receiver>();
if (!receiver)
cerr << "No Receiver Extension in " << filenames[i] << endl;
else {
if (lin) {
receiver->set_basis (Signal::Linear);
cout << "Feed basis set to Linear" << endl;
}
if (circ) {
receiver->set_basis (Signal::Circular);
cout << "Feed basis set to Circular" << endl;
}
}
}
reflections.transform( arch );
if (new_cfreq)
{
double nc = arch->get_nchan();
double bw = arch->get_bandwidth();
double cw = bw / nc;
double fr = new_fr - (bw / 2.0) + (cw / 2.0);
for (unsigned i = 0; i < arch->get_nsubint(); i++) {
for (unsigned j = 0; j < arch->get_nchan(); j++) {
arch->get_Integration(i)->set_centre_frequency(j,(fr + (j*cw)));
}
}
arch->set_centre_frequency(new_fr);
}
if( new_type != Signal::Unknown )
arch->set_type( new_type );
if( instrument != string() ){
Pulsar::Backend* b = arch->get<Pulsar::Backend>();
if( !b )
fprintf(stderr,"Could not change instrument name- archive does not have Backend extension\n");
else
b->set_name(instrument);
}
if( site != string() )
arch->set_telescope( site );
if( name != string() )
arch->set_source( name );
if (new_eph) try
{
arch->set_ephemeris(new_eph);
if (update_dm_from_eph) {
update_dm(arch);
}
}
catch (Error& error)
{
cerr << "Error while installing new ephemeris: "
<< error.get_message() << endl;
continue;
}
if (flipsb) {
for (unsigned i = 0; i < arch->get_nsubint(); i++) {
vector<double> labels;
labels.resize(arch->get_nchan());
for (unsigned j = 0; j < arch->get_nchan(); j++) {
labels[j] = arch->get_Integration(i)->get_centre_frequency(j);
}
for (unsigned j = 0; j < arch->get_nchan(); j++) {
double new_frequency = labels[labels.size()-1-j];
arch->get_Integration(i)->set_centre_frequency(j,new_frequency);
}
}
arch->set_bandwidth(-1.0 * arch->get_bandwidth());
}
if (flip_freq) {
for (unsigned isub = 0; isub < arch->get_nsubint(); isub++) {
Reference::To<Pulsar::Integration>
subint = arch->get_Integration(isub);
for (unsigned ichan = 0; ichan < arch->get_nchan(); ichan++) {
double new_freq = flip_freq_mhz
- (subint->get_centre_frequency(ichan) - flip_freq_mhz);
subint->set_centre_frequency(ichan, new_freq);
}
}
arch->set_bandwidth(-1.0 * arch->get_bandwidth());
}
if( reverse_freqs ) {
// Of course it would be nice to do this with pointers.... but oh well I guess copying will have to do HSK 27/8/04
unsigned nchan = arch->get_nchan();
for( unsigned isub=0; isub<arch->get_nsubint(); isub++){
for( unsigned ipol =0; ipol<arch->get_npol(); ipol++){
for( unsigned ichan=0; ichan<nchan/2; ichan++){
Reference::To<Pulsar::Profile> lo = arch->get_Profile(isub,ipol,ichan);
Reference::To<Pulsar::Profile> tmp = lo->clone();
Reference::To<Pulsar::Profile> hi = arch->get_Profile(isub,ipol,nchan-1-ichan);
lo->operator=(*hi);
hi->operator=(*tmp);
}
}
}
arch->set_bandwidth( -1.0 * arch->get_bandwidth() );
}
if (reset_weights) {
arch->uniform_weight(new_weight);
if (verbose)
cout << "All profile weights set to " << new_weight << endl;
}
if (rotate)
arch->rotate_phase (rphase);
if (scattered_power_correction) {
Pulsar::ScatteredPowerCorrection spc;
if (arch->get_state() == Signal::Stokes)
arch->convert_state(Signal::Coherence);
spc.correct (arch);
}
if (newdm)
{
arch->set_dispersion_measure(dm);
if (verbose)
cout << "Archive dispersion measure set to " << dm << endl;
if (arch->get_dedispersed())
{
arch->dedisperse();
if (verbose)
cout << "Archive re-dedipsersed" << endl;
}
}
if (dedisperse)
{
arch->dedisperse();
if (verbose)
cout << "Archive dedipsersed" << endl;
}
if (dededisperse)
{
Pulsar::Dispersion correction;
correction.revert (arch);
}
if (stokesify) {
if (arch->get_npol() != 4)
throw Error(InvalidState, "Convert to Stokes",
"Not enough polarisation information");
arch->convert_state(Signal::Stokes);
if (verbose)
cout << "Archive converted to Stokes parameters" << endl;
}
if (unstokesify) {
if (arch->get_npol() != 4)
throw Error(InvalidState, "Convert to coherence",
"Not enough polarisation information");
arch->convert_state(Signal::Coherence);
if (verbose)
cout << "Archive converted to coherence parameters" << endl;
}
if (cbppo) {
myio = new Pulsar::PeriastronOrder();
arch->add_extension(myio);
myio->organise(arch, ronsub);
}
if (cbpao) {
myio = new Pulsar::BinaryPhaseOrder();
arch->add_extension(myio);
myio->organise(arch, ronsub);
}
if (cblpo) {
myio = new Pulsar::BinLngPeriOrder();
arch->add_extension(myio);
myio->organise(arch, ronsub);
}
if (cblao) {
myio = new Pulsar::BinLngAscOrder();
arch->add_extension(myio);
myio->organise(arch, ronsub);
}
if( subint_extract_start >= 0 && subint_extract_end >= 0 ) {
vector<unsigned> subints;
unsigned isub = subint_extract_start;
while ( isub<arch->get_nsubint() && isub<unsigned(subint_extract_end) ) {
subints.push_back( isub );
isub++;
}
Reference::To<Pulsar::Archive> extracted( arch->extract(subints) );
extracted->set_filename( arch->get_filename() );
arch = extracted;
}
if (tscr) {
if (tsub > 0.0) {
unsigned factor =
unsigned (tsub / arch->get_Integration(0)->get_duration());
if (factor == 0) {
cerr << "Warning: subints already too long" << endl;
}
else {
arch->tscrunch(factor);
}
if (verbose)
cout << arch->get_filename() << " tscrunched by a factor of "
<< factor << endl;
}
else if (new_nsub > 0) {
arch->tscrunch_to_nsub(new_nsub);
if (verbose)
cout << arch->get_filename() << " tscrunched to "
<< new_nsub << " subints" << endl;
}
else if (tscr_fac > 0) {
arch->tscrunch(tscr_fac);
if (verbose)
cout << arch->get_filename() << " tscrunched by a factor of "
<< tscr_fac << endl;
}
else {
arch->tscrunch();
if (verbose)
cout << arch->get_filename() << " tscrunched" << endl;
}
}
if (pscr) {
arch->pscrunch();
if (verbose)
cout << arch->get_filename() << " pscrunched" << endl;
}
if (invint) {
arch->invint();
if (verbose)
cout << arch->get_filename() << " invinted" << endl;
}
if (newrm) {
arch->set_rotation_measure (rm);
if (verbose)
cout << arch->get_filename() << " RM set to " << rm << endl;
}
if (defaraday) {
arch->defaraday();
if (verbose)
cout << arch->get_filename() << " defaradayed" <<endl;
}
if (aux_rm)
{
if (verbose)
cout << "pam: correct auxiliary Faraday rotation; iono RM="
<< aux_rm << endl;
correct_auxiliary_rm (arch, aux_rm);
}
if (fscr) {
if (new_nchn > 0) {
arch->fscrunch_to_nchan(new_nchn);
if (verbose)
cout << arch->get_filename() << " fscrunched to "
<< new_nchn << " channels" << endl;
}
else if (fscr_fac > 0) {
arch->fscrunch(fscr_fac);
if (verbose)
cout << arch->get_filename() << " fscrunched by a factor of "
<< fscr_fac << endl;
}
else {
arch->fscrunch();
if (verbose)
cout << arch->get_filename() << " fscrunched" << endl;
}
}
if (bscr) {
if (new_nbin > 0) {
arch->bscrunch_to_nbin(new_nbin);
if (verbose)
cout << arch->get_filename() << " bscrunched to "
<< new_nbin << " bins" << endl;
}
else {
arch->bscrunch(bscr_fac);
if (verbose)
cout << arch->get_filename() << " bscrunched by a factor of "
<< bscr_fac << endl;
}
}
if (smear_dc) {
for (unsigned i = 0; i < arch->get_nsubint(); i++) {
for (unsigned j = 0; j < arch->get_npol(); j++) {
for (unsigned k = 0; k < arch->get_nchan(); k++) {
smear (arch->get_Profile(i,j,k), smear_dc);
}
}
}
}
if (save) {
if (archive_class) {
// unload an archive of the specified class
Reference::To<Pulsar::Archive> output;
output = Pulsar::Archive::new_Archive (archive_class);
output -> copy (*arch);
output -> set_filename ( arch->get_filename() );
arch = output;
}
// See if the archive contains a history that should be updated:
Pulsar::ProcHistory* fitsext = arch->get<Pulsar::ProcHistory>();
if (fitsext) {
if (command.length() > 80) {
cout << "WARNING: ProcHistory command string truncated to 80 chars"
<< endl;
fitsext->set_command_str(command.substr(0, 80));
}
else {
fitsext->set_command_str(command);
}
}
string out_filename = arch->get_filename();
if( !ext.empty() )
out_filename = replace_extension( out_filename, ext );
if( !ulpath.empty() )
out_filename = ulpath + basename(out_filename);
arch->unload( out_filename );
cout << out_filename << " written to disk" << endl;
}
}
catch (Error& error) {
cerr << error << endl;
}
return 0;
}
catch(Error& er)
{
cerr << er << endl;
return -1;
}
catch (string& error)
{
cerr << "exception thrown: " << error << endl;
return -1;
}
catch (bad_alloc& ba)
{
cerr << "Caught a bad_alloc: '" << ba.what() << "'" << endl ;
return -1;
}
catch (exception& e)
{
cerr << "caught an exception of type '"
<< typeid(e).name() << "'" << endl;
return -1;
}
catch(...)
{
fprintf(stderr,"Unknown exception caught\n");
return -1;
}
int main(int argc, char* argv[]) try
{
if (argc < 2) {
usage();
return EXIT_SUCCESS;
}
int gotc = 0;
while ((gotc = getopt(argc, argv, "hvV")) != -1) {
switch (gotc) {
case 'h':
usage();
return EXIT_SUCCESS;
case 'V':
Pulsar::Archive::set_verbosity(3);
break;
case 'v':
Pulsar::Archive::set_verbosity(2);
break;
}
}
if (optind >= argc)
{
cerr << "pazi: please specify filename" << endl;
return -1;
}
string filename = argv[optind];
string extension = filename.substr(filename.length() - 2, 2);
if (extension == "rf")
extension = "rz";
else if (extension == "cf")
extension = "cz";
else
extension = "pazi";
string write_filename = filename + ".";
write_filename += extension;
cerr << "pazi: loading data" << endl;
base_archive = Archive::load(filename);
if (base_archive->get_npol() == 4)
{
original_state = base_archive->get_state();
base_archive->convert_state( Signal::Stokes );
}
backup_archive = base_archive->clone();
cerr << "pazi: making fscrunched clone" << endl;
mod_archive = base_archive->clone();
mod_archive->pscrunch();
mod_archive->remove_baseline();
mod_archive->dedisperse();
mod_archive->fscrunch();
scrunched_archive = mod_archive->clone();
scrunched_archive->tscrunch();
ranges.second = get_max_value(base_archive, plot_type);
positive_direction = base_archive->get_bandwidth() < 0.0;
time_orig_plot = factory.construct("time");
time_mod_plot = factory.construct("time");
time_fui = time_mod_plot->get_frame_interface();
freq_orig_plot = factory.construct("freq");
freq_mod_plot = factory.construct("freq");
freq_fui = freq_mod_plot->get_frame_interface();
total_plot = factory.construct("flux");
total_plot->configure("info=1");
subint_orig_plot = new ProfilePlot;
subint_mod_plot = new ProfilePlot;
subint_fui = subint_mod_plot->get_frame_interface();
subint_orig_plot->configure("info=1");
subint_mod_plot->configure("info=1");
unsigned window = 0;
char device [8];
for (unsigned i=0; i<2; i++) do {
window ++;
snprintf (device, 8, "%u/XS", window);
}
while ( cpgopen (device) < 0 );
cpgask(0);
cerr << endl << "Total S/N = " <<
scrunched_archive->get_Profile(0,0,0)->snr() << endl << endl;
total_plot->plot(scrunched_archive);
cpgslct(1);
time_orig_plot->plot(mod_archive);
do
{
cpgswin(0, 1, 0, 1);
// plot:
// frequency = horizontal mouse band
// time = horizontal mouse band
// profile = vertical mouse band
int band = 0;
if (prune_start != UNDEF_MOUSE)
{
band = BOX_ANCHOR;
mouse_ref = prune_start;
}
else if (mouse_ref != UNDEF_MOUSE)
{
if (plot_type == FscrunchedSubint)
band = VERTICAL_ANCHOR;
else
band = HORIZONTAL_ANCHOR;
}
else
{
if (plot_type == FscrunchedSubint)
band = VERTICAL_LINE;
else
band = HORIZONTAL_LINE;
}
cpgband(band, 0, mouse_ref.first, mouse_ref.second, &(mouse.first),
&(mouse.second), &ch);
switch (ch)
{
case 'A': // zoom
{
constrain_range(mouse.first);
constrain_range(mouse.second);
if (mouse_ref == UNDEF_MOUSE)
{
mouse_ref = mouse;
continue;
}
// store the current range so it can be restored if the user selects
// a zoom region too small
const RangeType old_ranges = ranges;
bool horizontal = plot_type == FscrunchedSubint ? false : true;
ranges = get_range(mouse_ref, mouse, ranges, horizontal);
// ignore mouse clicks if the index values are too close (< 1)
if (ranges.first == ranges.second) {
ranges = old_ranges;
break;
}
zoomed = true;
const unsigned max_value = get_max_value(base_archive, plot_type);
const string zoom_option = get_zoom_option(ranges, max_value);
switch (plot_type) {
case PhaseVsTime:
time_fui->set_value("y:range", zoom_option);
redraw(mod_archive, time_orig_plot, time_mod_plot, zoomed);
break;
case PhaseVsFrequency:
freq_fui->set_value("y:range", zoom_option);
freq_redraw(mod_archive, base_archive, freq_orig_plot,
freq_mod_plot, zoomed);
break;
case FscrunchedSubint:
subint_fui->set_value("x:range", zoom_option);
redraw(mod_archive, subint_orig_plot, subint_mod_plot, zoomed);
break;
}
}
break; // case 'A'
case 'h':
usage();
break;
case 'b': // plot specific subint
if (plot_type == PhaseVsTime) {
plot_type = FscrunchedSubint;
zoomed = false;
*mod_archive = *base_archive;
mod_archive->set_dispersion_measure(0);
mod_archive->fscrunch();
mod_archive->pscrunch();
mod_archive->remove_baseline();
subint = get_indexed_value(mouse);
ranges.first = 0;
ranges.second = get_max_value(base_archive, plot_type);
char add[3];
sprintf(add, "%d", subint);
string subint_option = "subint=";
subint_option += add;
subint_orig_plot->configure(subint_option);
subint_mod_plot->configure(subint_option);
cpgeras();
subint_orig_plot->plot(mod_archive);
update_total(scrunched_archive, base_archive, total_plot);
}
break;
/*case 'c': // center pulse
set_centre(mod_archive, base_archive, centered, plot_type, dedispersed);
if (plot_type == "freq")
redraw(mod_archive, freq_orig_plot, freq_mod_plot, zoomed);
else if (plot_type == "time")
redraw(mod_archive, time_orig_plot, time_mod_plot, zoomed);
update_total(scrunched_archive, base_archive, total_plot);
break;*/
case 'd': // toggle dedispersion on/off
set_dedispersion(mod_archive, base_archive, dedispersed);
if (plot_type == PhaseVsFrequency) {
mod_archive->tscrunch();
redraw(mod_archive, freq_orig_plot, freq_mod_plot, zoomed);
} else if (plot_type == PhaseVsTime) {
mod_archive->fscrunch();
redraw(mod_archive, time_orig_plot, time_mod_plot, zoomed);
}
update_total(scrunched_archive, base_archive, total_plot);
break;
case 'f': // frequency plot
plot_type = PhaseVsFrequency;
ranges.first = 0;
ranges.second = get_max_value(base_archive, plot_type);
zoomed = false;
freq_redraw(mod_archive, base_archive, freq_orig_plot, freq_mod_plot, zoomed);
break;
case 'm':
if (plot_type != FscrunchedSubint)
{
cerr << "pazi: can only mow lawn in binzap-subint mode" << endl;
continue;
}
cerr << "pazi: mowing lawn" << endl;
mowlawn (mod_archive, base_archive, subint);
cerr << "pazi: replotting" << endl;
redraw(mod_archive, subint_orig_plot, subint_mod_plot, zoomed);
cerr << "pazi: updating total" << endl;
update_total(scrunched_archive, base_archive, total_plot);
break;
case 'x': // prune
if (plot_type != FscrunchedSubint)
{
cerr << "pazi: can only prune hedge in binzap-subint mode" << endl;
continue;
}
constrain_range(mouse.first);
constrain_range(mouse.second);
if (prune_start == UNDEF_MOUSE)
{
prune_start = mouse;
continue;
}
prune_end = mouse;
cerr << "pazi: pruning hedge" << endl;
prune_hedge (mod_archive, base_archive, subint);
cerr << "pazi: replotting" << endl;
redraw(mod_archive, subint_orig_plot, subint_mod_plot, zoomed);
cerr << "pazi: updating total" << endl;
update_total(scrunched_archive, base_archive, total_plot);
break;
case 'o': // toggle frequency scrunching on/off
if (plot_type == PhaseVsTime)
{
if (fscrunched) {
fscrunched = false;
*mod_archive = *base_archive;
}
else {
fscrunched = true;
mod_archive->fscrunch();
}
redraw(mod_archive, time_orig_plot, time_mod_plot, zoomed);
}
break;
case 'q': // quit
cpgclos();
return EXIT_SUCCESS;
case 'p':
print_command(channels_to_zap, subints_to_zap, extension, filename);
break;
case 'r': // reset zoom
zoomed = false;
ranges.first = 0;
ranges.second = get_max_value(base_archive, plot_type);
switch (plot_type) {
case PhaseVsTime:
redraw(mod_archive, time_orig_plot, time_mod_plot, zoomed);
break;
case PhaseVsFrequency:
freq_redraw(mod_archive, base_archive, freq_orig_plot,
freq_mod_plot, zoomed);
break;
case FscrunchedSubint:
redraw(mod_archive, subint_orig_plot, subint_mod_plot, zoomed);
break;
}
break;
case 's': // save current archive changes:
{
Pulsar::ProcHistory* ext = base_archive->get<Pulsar::ProcHistory>();
if (ext) {
ext->set_command_str("pazi");
}
if ( base_archive->get_npol() == 4 )
base_archive->convert_state( original_state );
base_archive->unload(write_filename);
if ( base_archive->get_npol() == 4 )
base_archive->convert_state( Signal::Stokes );
break;
}
case 't': // time plot
plot_type = PhaseVsTime;
ranges.first = 0;
ranges.second = get_max_value(base_archive, plot_type);
zoomed = false;
time_redraw(mod_archive, base_archive, time_orig_plot, time_mod_plot, zoomed);
break;
case 'u': // undo last change
if (mouse_ref != UNDEF_MOUSE) {
mouse_ref = UNDEF_MOUSE;
continue;
}
switch (plot_type) {
case PhaseVsTime:
{
const unsigned value = get_indexed_value(mouse);
remove_channel(value, subints_to_zap);
time_unzap_subint(base_archive, backup_archive, value);
time_redraw(mod_archive, base_archive, time_orig_plot,
time_mod_plot, zoomed);
}
break;
case PhaseVsFrequency:
{
const unsigned value = get_indexed_value(mouse);
remove_channel(value, channels_to_zap);
freq_unzap_chan(base_archive, backup_archive, value);
freq_redraw(mod_archive, base_archive, freq_orig_plot,
freq_mod_plot, zoomed);
}
break;
case FscrunchedSubint:
if (bins_to_zap.size()) {
bins_to_zap.erase(bins_to_zap.end() - 5, bins_to_zap.end());
*base_archive = *backup_archive;
*mod_archive = *backup_archive;
mod_archive->set_dispersion_measure(0);
mod_archive->pscrunch();
mod_archive->fscrunch();
mod_archive->remove_baseline();
redraw(mod_archive, subint_orig_plot, subint_mod_plot, zoomed);
}
break;
}
update_total(scrunched_archive, base_archive, total_plot);
break;
case 'z':
case 'X': // zap single channel
if (mouse_ref == UNDEF_MOUSE)
zap_single ();
else
zap_multiple ();
break;
}
prune_start = UNDEF_MOUSE;
mouse_ref = UNDEF_MOUSE;
} while (ch != 'q');
return 0;
} // end main
catch (Error& error) {
cerr << "pazi: " << error << endl;
return -1;
}