eddy/astrovideoguide_v3
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astrovideoguide_v3/LocCorr/config.c

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/*
* This file is part of the loccorr project.
* Copyright 2021 Edward V. Emelianov <edward.emelianoff@gmail.com>.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <usefull_macros.h>
#include "cmdlnopts.h"
#include "config.h"
static char *conffile = NULL; // configuration file name
configuration theconf = {
.maxUsteps=DEFAULT_MAXUSTEPS,
.maxVsteps=DEFAULT_MAXVSTEPS,
.minarea=DEFAULT_MINAREA,
.maxarea=DEFAULT_MAXAREA,
.Nerosions=DEFAULT_NEROSIONS,
.Ndilations=DEFAULT_NDILATIONS,
.xoff=0,
.yoff=0,
.width=0,
.height=0,
.equalize=1,
.naverage=DEFAULT_NAVERAGE,
.stpserverport=DEFAULT_PUSIPORT,
.starssort=0,
.Kxu=0,
.Kyu=0,
.Kxv=0,
.Kyv=0,
.xtarget=-1,
.ytarget=-1,
.throwpart=DEFAULT_THROWPART,
.maxexp=EXPOS_MAX + DBL_EPSILON,
.minexp=EXPOS_MIN - DBL_EPSILON,
.fixedexp=EXPOS_MIN,
.intensthres=DEFAULT_INTENSTHRES
};
// {"", PAR_DOUBLE, (void*)&theconf., 0},
static confparam parvals[] = {
{"maxarea", PAR_INT, (void*)&theconf.maxarea, 0, MINAREA-DBL_EPSILON, MAXAREA+DBL_EPSILON,
"maximal area (in square pixels) of recognized star image"},
{"minarea", PAR_INT, (void*)&theconf.minarea, 0, MINAREA-DBL_EPSILON, MAXAREA+DBL_EPSILON,
"minimal area (in square pixels) of recognized star image"},
{"ndilat", PAR_INT, (void*)&theconf.Ndilations, 0, 1.-DBL_EPSILON, MAX_NDILAT+DBL_EPSILON,
"amount of dilations on binarized image"},
{"neros", PAR_INT, (void*)&theconf.Nerosions, 0, 1.-DBL_EPSILON, MAX_NEROS+DBL_EPSILON,
"amount of erosions after dilations"},
{"xoffset", PAR_INT, (void*)&theconf.xoff, 0, -DBL_EPSILON, MAX_OFFSET+DBL_EPSILON,
"X offset of subimage"},
{"yoffset", PAR_INT, (void*)&theconf.yoff, 0, -DBL_EPSILON, MAX_OFFSET+DBL_EPSILON,
"Y offset of subimage"},
{"width", PAR_INT, (void*)&theconf.width, 0, -DBL_EPSILON, MAX_OFFSET+DBL_EPSILON,
"subimage width"},
{"height", PAR_INT, (void*)&theconf.height, 0, -DBL_EPSILON, MAX_OFFSET+DBL_EPSILON,
"subimage height"},
{"equalize", PAR_INT, (void*)&theconf.equalize, 0, -DBL_EPSILON, 1.+DBL_EPSILON,
"make histogram equalization"},
{"expmethod", PAR_INT, (void*)&theconf.expmethod, 0, -DBL_EPSILON, 1.+DBL_EPSILON,
"exposition method: 0 - auto, 1 - fixed"},
{"naverage", PAR_INT, (void*)&theconf.naverage, 0, 1-DBL_EPSILON, NAVER_MAX+DBL_EPSILON,
"calculate mean position by N images"},
{"umax", PAR_INT, (void*)&theconf.maxUsteps, 0, MINSTEPS-DBL_EPSILON, MAXSTEPS+DBL_EPSILON,
"maximal value of steps on U semi-axe"},
{"vmax", PAR_INT, (void*)&theconf.maxVsteps, 0, MINSTEPS-DBL_EPSILON, MAXSTEPS+DBL_EPSILON,
"maximal value of steps on V semi-axe"},
{"stpservport", PAR_INT, (void*)&theconf.stpserverport, 0, -DBL_EPSILON, 65536.,
"port number of steppers' server"},
{"Kxu", PAR_DOUBLE, (void*)&theconf.Kxu, 0, KUVMIN-DBL_EPSILON, KUVMAX+DBL_EPSILON,
"dU = Kxu*dX + Kyu*dY"},
{"Kyu", PAR_DOUBLE, (void*)&theconf.Kyu, 0, KUVMIN-DBL_EPSILON, KUVMAX+DBL_EPSILON,
"dU = Kxu*dX + Kyu*dY"},
{"Kxv", PAR_DOUBLE, (void*)&theconf.Kxv, 0, KUVMIN-DBL_EPSILON, KUVMAX+DBL_EPSILON,
"dV = Kxv*dX + Kyv*dY"},
{"Kyv", PAR_DOUBLE, (void*)&theconf.Kyv, 0, KUVMIN-DBL_EPSILON, KUVMAX+DBL_EPSILON,
"dV = Kxv*dX + Kyv*dY"},
{"xtarget", PAR_DOUBLE, (void*)&theconf.xtarget, 0, 1.-DBL_EPSILON, MAX_OFFSET+DBL_EPSILON,
"X coordinate of target position"},
{"ytarget", PAR_DOUBLE, (void*)&theconf.ytarget, 0, 1.-DBL_EPSILON, MAX_OFFSET+DBL_EPSILON,
"Y coordinate of target position"},
{"eqthrowpart", PAR_DOUBLE, (void*)&theconf.throwpart, 0, -DBL_EPSILON, MAX_THROWPART+DBL_EPSILON,
"a part of low intensity pixels to throw away when histogram equalized"},
{"minexp", PAR_DOUBLE, (void*)&theconf.minexp, 0, -DBL_EPSILON, EXPOS_MAX+DBL_EPSILON,
"minimal exposition time"},
{"maxexp", PAR_DOUBLE, (void*)&theconf.maxexp, 0, -DBL_EPSILON, EXPOS_MAX+DBL_EPSILON,
"maximal exposition time"},
{"fixedexp", PAR_DOUBLE, (void*)&theconf.fixedexp, 0, EXPOS_MIN-DBL_EPSILON, EXPOS_MAX+DBL_EPSILON,
"fixed (in manual mode) exposition time"},
{"intensthres", PAR_DOUBLE, (void*)&theconf.intensthres, 0, DBL_EPSILON, 1.+DBL_EPSILON,
"threshold by total object intensity when sorting = |I1-I2|/(I1+I2)"},
{"gain", PAR_DOUBLE, (void*)&theconf.gain, 0, GAIN_MIN-DBL_EPSILON, GAIN_MAX+DBL_EPSILON,
"gain value in manual mode"},
{"starssort", PAR_INT, (void*)&theconf.starssort, 0, -DBL_EPSILON, 1.+DBL_EPSILON,
"stars sorting algorithm: by distance from target (0) or by intensity (1)"},
{NULL, 0, NULL, 0, 0., 0., NULL}
};
// return pointer to buff with size l filled with list of all commands (+help messages + low/high values)
char *get_cmd_list(char *buff, int l){
if(!buff || l < 1) return NULL;
int L = l;
char *ptr = buff;
confparam *par = parvals;
while(L > 0 && par->name){
int s = snprintf(ptr, L, "%s=newval - %s (from %g to %g)\n", par->name, par->help, par->minval+DBL_EPSILON, par->maxval-DBL_EPSILON);
if(s < 1) break;
L -= s; ptr += s;
++par;
}
return buff;
}
static char *omitspaces(char *v){
if(!v) return NULL;
while(*v && (*v == ' ' || *v == '\t')) ++v;
char *ptr = strchr(v, ' ');
if(ptr) *ptr = 0;
ptr = strchr(v, '\t');
if(ptr) *ptr = 0;
return v;
}
// Read key/value from `pair` (key = value)
// RETURNed value should be FREEd
char *get_keyval(const char *pair, char value[128]){
char key[128];
char val[128];
if(!pair || strlen(pair) < 3) return strdup("#"); // empty line
char *keyptr = key, *valptr = val;
int x = sscanf(pair, "%127[^=]=%127[^\n]%*c", key, val);
//DBG("x=%d, key='%s', val='%s'", x, key, val);
if(x < 0 || x > 2) return NULL; // wrong data or EOF
if(x == 0) return strdup("#"); // empty line
if(x == 2){ // param = value
keyptr = omitspaces(key);
valptr = omitspaces(val);
sprintf(value, "%s", valptr);
return strdup(keyptr);
}
keyptr = omitspaces(key);
if(*keyptr == '#' || *keyptr == '%'){ // comment
*value = 0;
return strdup("#");
}
return NULL;
}
// Read key/value from file
static char *read_key(FILE *file, char value[128]){
char *line = NULL;
size_t n = 0;
int got = getline(&line, &n, file);
if(got < 0){
FREE(line);
return NULL;
}
char *kv = get_keyval(line, value);
FREE(line);
return kv;
}
static int str2int(int *num, const char *str){
long res;
char *endptr;
if(!str) return 0;
res = strtol(str, &endptr, 0);
if(endptr == str || *str == '\0' || *endptr != '\0'){
return FALSE;
}
if(res > INT_MAX || res < INT_MIN) return FALSE;
if(num) *num = (int)res;
return TRUE;
}
/**
* @brief chk_keyval - check key for presence in theconf and calculate its value
* @param key (i) - keyword
* @param val (i) - value
* @param result - result calculated from `val`
* @return pointer to confparam if found & checked
*/
confparam *chk_keyval(const char *key, const char *val, key_value *result){
if(!key || !val || !result) return NULL;
confparam *par = parvals;
while(par->name){
if(strcmp(key, par->name) == 0){
DBG("key='%s', par->name='%s'", key, par->name);
result->type = par->type;
switch(par->type){
case PAR_INT:
DBG("INTEGER");
if(!str2int(&result->val.intval, val)){
WARNX("Wrong integer value '%s' of parameter '%s'", val, key);
return NULL;
}
if(result->val.intval > par->minval && result->val.intval < par->maxval)
return par;
else WARNX("Value (%d) of parameter %s out of range %g..%g",
result->val.intval, par->name, par->minval, par->maxval);
break;
case PAR_DOUBLE:
DBG("DOUBLE");
if(!str2double(&result->val.dblval, val)){
WARNX("Wrong double value '%s' of parameter '%s'", val, key);
return NULL;
}
DBG("val: %g, min: %g, max: %g", result->val.dblval, par->minval, par->maxval);
if(result->val.dblval > par->minval && result->val.dblval < par->maxval)
return par;
else WARNX("Value (%g) of parameter %s out of range %g..%g",
result->val.dblval, par->name, par->minval, par->maxval);
break;
}
return NULL;
}
++par;
}
return NULL;
}
/**
* @brief chkconfig - check configuration file and init variables
* @param confname - name of file
* @return FALSE if configuration file wrong or absent
*/
int chkconfig(const char *confname){
DBG("Config name: %s", confname);
FREE(conffile);
conffile = strdup(confname);
FILE *f = fopen(confname, "r");
int ret = TRUE;
if(!f){
WARN("Can't open %s", confname);
return FALSE;
}
char *key, val[128];
confparam *par = parvals;
while(par->name){
par->got = 0;
++par;
}
while((key = read_key(f, val))){
if(*key == '#'){
FREE(key);
continue; // comment
}
//DBG("key: %s", key);
key_value kv;
par = chk_keyval(key, val, &kv);
if(!par){
WARNX("Parameter '%s' is wrong or out of range", key);
FREE(key);
continue;
}
switch(par->type){
case PAR_INT:
*((int*)par->ptr) = kv.val.intval;
break;
case PAR_DOUBLE:
*((double*)par->ptr) = kv.val.dblval;
break;
}
++par->got;
FREE(key);
}
fclose(f);
int found = 0;
par = parvals;
while(par->name){
DBG("parvals[]={%s, %d, %d(%g), %d}", par->name, par->type, *((int*)par->ptr), *((double*)par->ptr), par->got);
int k = par->got;
if(!k){
++par;
continue;
}
if(k > 1){
WARNX("parameter '%s' meets %d times", par->name, k);
ret = FALSE;
}
++found; ++par;
}
#if 0
int Nchecked = 0;
if(theconf.maxUsteps >= MINSTEPS && theconf.maxUsteps <= MAXSTEPS) ++Nchecked;
if(theconf.maxVsteps >= MINSTEPS && theconf.maxVsteps <= MAXSTEPS) ++Nchecked;
if(theconf.cosXU >= -1. && theconf.cosXU <= 1.) ++Nchecked;
if(theconf.sinXU >= -1. && theconf.sinXU <= 1.) ++Nchecked;
if(theconf.cosXV >= -1. && theconf.cosXV <= 1.) ++Nchecked;
if(theconf.sinXV >= -1. && theconf.sinXV <= 1.) ++Nchecked;
if(theconf.KU >= COEFMIN && theconf.KU <= COEFMAX) ++Nchecked;
if(theconf.KV >= COEFMIN && theconf.KV <= COEFMAX) ++Nchecked;
if(theconf.maxarea <= MAXAREA && theconf.maxarea >= MINAREA) ++Nchecked;
if(theconf.minarea <= MAXAREA && theconf.minarea >= MINAREA) ++Nchecked;
if(theconf.Nerosions > 0 && theconf.Nerosions <= MAX_NEROS) ++Nchecked;
if(theconf.Ndilations > 0 && theconf.Ndilations <= MAX_NDILAT) ++Nchecked;
if(theconf.xtarget > 1.) ++Nchecked;
if(theconf.ytarget > 1.) ++Nchecked;
if(theconf.throwpart > -DBL_EPSILON && theconf.throwpart < MAX_THROWPART+DBL_EPSILON) ++Nchecked;
if(theconf.xoff > 0 && theconf.xoff < MAX_OFFSET) ++Nchecked;
if(theconf.yoff > 0 && theconf.yoff < MAX_OFFSET) ++Nchecked;
if(theconf.width > 0 && theconf.width < MAX_OFFSET) ++Nchecked;
if(theconf.height > 0 && theconf.height < MAX_OFFSET) ++Nchecked;
if(theconf.minexp > 0. && theconf.minexp < EXPOS_MAX) ++Nchecked;
if(theconf.maxexp > theconf.minexp) ++Nchecked;
if(theconf.equalize > -1) ++Nchecked;
if(theconf.intensthres > DBL_EPSILON && theconf.intensthres < 1.) ++Nchecked;
if(theconf.naverage > 1 && theconf.naverage <= NAVER_MAX) ++Nchecked;
if(theconf.stpserverport > 0 && theconf.stpserverport < 65536) ++Nchecked;
#endif
DBG("chkconfig(): found %d", found);
return ret;
}
/**
* @brief saveconf - try to save configuration into file
* @param confname - config file name
* @return FALSE if failed
*/
int saveconf(const char *confname){
if(!confname){
if(!conffile){
WARNX("no conffile given");
return FALSE;
}
confname = conffile;
}
FILE *f = fopen(confname, "w");
if(!f){
WARN("Can't open %s", confname);
LOGERR("Can't open %s to store configuration", confname);
return FALSE;
}
confparam *par = parvals;
while(par->name){
par->got = 1;
switch(par->type){
case PAR_INT:
fprintf(f, "%s = %d\n", par->name, *((int*)par->ptr));
DBG("%s = %d", par->name, *((int*)par->ptr));
break;
case PAR_DOUBLE:
fprintf(f, "%s = %.3f\n", par->name, *((double*)par->ptr));
DBG("%s = %.3f", par->name, *((double*)par->ptr));
break;
}
++par;
}
DBG("%s saved", confname);
LOGDBG("Configuration file '%s' saved", confname);
fclose(f);
return TRUE;
}
// return buffer filled with current configuration
char *listconf(const char *messageid, char *buf, int buflen){
int L;
char *ptr = buf;
confparam *par = parvals;
L = snprintf(ptr, buflen, "{ \"%s\": \"%s\", ", MESSAGEID, messageid);
buflen -= L; ptr += L;
while(par->name && buflen > 0){
switch(par->type){
case PAR_INT:
L = snprintf(ptr, buflen, "\"%s\": %d", par->name, *((int*)par->ptr));
break;
case PAR_DOUBLE:
L = snprintf(ptr, buflen, "\"%s\": %.3f", par->name, *((double*)par->ptr));
break;
default:
L = 0;
}
++par;
if(L > -1){
buflen -= L; ptr += L;
}else{
buf[buflen-1] = 0; break;
}
if(par->name){ // put comma
L = snprintf(ptr, buflen, ", ");
if(L > -1){buflen -= L; ptr += L;}
}
}
snprintf(ptr, buflen, " }\n");
return buf;
}
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