void
gen_cheb(int inverse, projUV (*proj)(projUV), char *s, PJ *P, int iargc, char **iargv) {
int NU = 15, NV = 15, i, res = -1, errin = 0, pwr;
char *arg, fmt[15];
projUV low, upp, resid;
Tseries *F;
extern void p_series(Tseries *, FILE *, char *);
double (*input)(const char *, char **);
input = inverse ? strtod : dmstor;
if (*s) low.u = input(s, &s); else ++errin;
if (*s == ',') upp.u = input(s+1, &s); else ++errin;
if (*s == ',') low.v = input(s+1, &s); else ++errin;
if (*s == ',') upp.v = input(s+1, &s); else ++errin;
if (errin)
emess(16,"null or absent -T parameters");
if (*s == ',') if (*++s != ',') res = strtol(s, &s, 10);
if (*s == ',') if (*++s != ',') NU = strtol(s, &s, 10);
if (*s == ',') if (*++s != ',') NV = strtol(s, &s, 10);
pwr = s && *s && !strcmp(s, ",P");
(void)printf("#proj_%s\n# run-line:\n",
pwr ? "Power" : "Chebyshev");
if (iargc > 0) { /* proj execution audit trail */
int n = 0, L;
for( i = 0 ; iargc ; --iargc) {
arg = *iargv++;
if (*arg != '+') {
if (!n) { putchar('#'); ++n; }
//(void)printf(" %s%n",arg, &L);
L = printf(" %s",arg);
if ((n += L) > 50) { putchar('\n'); n = 0; }
}
}
if (n) putchar('\n');
}
(void)printf("# projection parameters\n");
pj_pr_list(P);
if (low.u == upp.u || low.v >= upp.v)
emess(16,"approx. argument range error");
if (low.u > upp.u)
low.u -= TWOPI;
if (NU < 2 || NV < 2)
emess(16,"approx. work dimensions (%d %d) too small",NU,NV);
if (!(F = mk_cheby(low, upp, pow(10., (double)res)*.5, &resid, proj,
NU, NV, pwr)))
emess(16,"generation of approx failed\nreason: %s\n",
pj_strerrno(errno));
(void)printf("%c,%.12g,%.12g,%.12g,%.12g,%.12g\n",inverse?'I':'F',
P->lam0*RAD_TO_DEG,
low.u*(inverse?1.:RAD_TO_DEG),upp.u*(inverse?1.:RAD_TO_DEG),
low.v*(inverse?1.:RAD_TO_DEG),upp.v*(inverse?1.:RAD_TO_DEG));
if (pwr)
strcpy(fmt, "%.15g");
else if (res <= 0)
(void)sprintf(fmt,"%%.%df",-res+1);
else
(void)strcpy(fmt,"%.0f");
p_series(F, stdout, fmt);
(void)printf("# |u,v| sums %g %g\n#end_proj_%s\n",
resid.u, resid.v, pwr ? "Power" : "Chebyshev");
}
int main(int argc, char **argv)
{
char *arg, **eargv = argv, *from_argv[MAX_PARGS], *to_argv[MAX_PARGS],
**iargv = argv;
FILE *fid;
int from_argc=0, to_argc=0, iargc = argc, eargc = 0, c, mon = 0;
int have_to_flag = 0, inverse = 0, i;
if (emess_dat.Prog_name = strrchr(*argv,DIR_CHAR))
++emess_dat.Prog_name;
else emess_dat.Prog_name = *argv;
inverse = ! strncmp(emess_dat.Prog_name, "inv", 3);
if (argc <= 1 ) {
(void)fprintf(stderr, usage, pj_get_release(), emess_dat.Prog_name);
exit (0);
}
/* process run line arguments */
while (--argc > 0) { /* collect run line arguments */
if(**++argv == '-') for(arg = *argv;;) {
switch(*++arg) {
case '\0': /* position of "stdin" */
if (arg[-1] == '-') eargv[eargc++] = "-";
break;
case 'v': /* monitor dump of initialization */
mon = 1;
continue;
case 'I': /* alt. method to spec inverse */
inverse = 1;
continue;
case 'E': /* echo ascii input to ascii output */
echoin = 1;
continue;
case 't': /* set col. one char */
if (arg[1]) tag = *++arg;
else emess(1,"missing -t col. 1 tag");
continue;
case 'l': /* list projections, ellipses or units */
if (!arg[1] || arg[1] == 'p' || arg[1] == 'P') {
/* list projections */
struct PJ_LIST *lp;
int do_long = arg[1] == 'P', c;
char *str;
for (lp = pj_get_list_ref() ; lp->id ; ++lp) {
(void)printf("%s : ", lp->id);
if (do_long) /* possibly multiline description */
(void)puts(*lp->descr);
else { /* first line, only */
str = *lp->descr;
while ((c = *str++) && c != '\n')
putchar(c);
putchar('\n');
}
}
} else if (arg[1] == '=') { /* list projection 'descr' */
struct PJ_LIST *lp;
arg += 2;
for (lp = pj_get_list_ref() ; lp->id ; ++lp)
if (!strcmp(lp->id, arg)) {
(void)printf("%9s : %s\n", lp->id, *lp->descr);
break;
}
} else if (arg[1] == 'e') { /* list ellipses */
struct PJ_ELLPS *le;
for (le = pj_get_ellps_ref(); le->id ; ++le)
(void)printf("%9s %-16s %-16s %s\n",
le->id, le->major, le->ell, le->name);
} else if (arg[1] == 'u') { /* list units */
struct PJ_UNITS *lu;
for (lu = pj_get_units_ref(); lu->id ; ++lu)
(void)printf("%12s %-20s %s\n",
lu->id, lu->to_meter, lu->name);
} else if (arg[1] == 'd') { /* list datums */
struct PJ_DATUMS *ld;
printf("__datum_id__ __ellipse___ __definition/comments______________________________\n" );
for (ld = pj_get_datums_ref(); ld->id ; ++ld)
{
printf("%12s %-12s %-30s\n",
ld->id, ld->ellipse_id, ld->defn);
if( ld->comments != NULL && strlen(ld->comments) > 0 )
printf( "%25s %s\n", " ", ld->comments );
}
} else if( arg[1] == 'm') { /* list prime meridians */
struct PJ_PRIME_MERIDIANS *lpm;
for (lpm = pj_get_prime_meridians_ref(); lpm->id ; ++lpm)
(void)printf("%12s %-30s\n",
lpm->id, lpm->defn);
} else
emess(1,"invalid list option: l%c",arg[1]);
exit(0);
continue; /* artificial */
case 'e': /* error line alternative */
if (--argc <= 0)
noargument:
emess(1,"missing argument for -%c",*arg);
oterr = *++argv;
continue;
case 'W': /* specify seconds precision */
case 'w': /* -W for constant field width */
if ((c = arg[1]) != 0 && isdigit(c)) {
set_rtodms(c - '0', *arg == 'W');
++arg;
} else
emess(1,"-W argument missing or non-digit");
continue;
case 'f': /* alternate output format degrees or xy */
if (--argc <= 0) goto noargument;
oform = *++argv;
continue;
case 'r': /* reverse input */
reversein = 1;
continue;
case 's': /* reverse output */
reverseout = 1;
continue;
default:
emess(1, "invalid option: -%c",*arg);
break;
}
break;
} else if (strcmp(*argv,"+to") == 0 ) {
have_to_flag = 1;
} else if (**argv == '+') { /* + argument */
if( have_to_flag )
{
if( to_argc < MAX_PARGS )
to_argv[to_argc++] = *argv + 1;
else
emess(1,"overflowed + argument table");
}
else
{
if (from_argc < MAX_PARGS)
from_argv[from_argc++] = *argv + 1;
else
emess(1,"overflowed + argument table");
}
} else /* assumed to be input file name(s) */
eargv[eargc++] = *argv;
}
if (eargc == 0 ) /* if no specific files force sysin */
eargv[eargc++] = "-";
/*
* If the user has requested inverse, then just reverse the
* coordinate systems.
*/
if( inverse )
{
int argcount;
for( i = 0; i < MAX_PARGS; i++ )
{
char *arg;
arg = from_argv[i];
from_argv[i] = to_argv[i];
to_argv[i] = arg;
}
argcount = from_argc;
from_argc = to_argc;
to_argc = argcount;
}
if (!(fromProj = pj_init(from_argc, from_argv)))
{
printf( "Using from definition: " );
for( i = 0; i < from_argc; i++ )
printf( "%s ", from_argv[i] );
printf( "\n" );
emess(3,"projection initialization failure\ncause: %s",
pj_strerrno(pj_errno));
}
if( to_argc == 0 )
{
if (!(toProj = pj_latlong_from_proj( fromProj )))
{
printf( "Using to definition: " );
for( i = 0; i < to_argc; i++ )
printf( "%s ", to_argv[i] );
printf( "\n" );
emess(3,"projection initialization failure\ncause: %s",
pj_strerrno(pj_errno));
}
}
else if (!(toProj = pj_init(to_argc, to_argv)))
{
printf( "Using to definition: " );
for( i = 0; i < to_argc; i++ )
printf( "%s ", to_argv[i] );
printf( "\n" );
emess(3,"projection initialization failure\ncause: %s",
pj_strerrno(pj_errno));
}
if (mon) {
printf( "%c ---- From Coordinate System ----\n", tag );
pj_pr_list(fromProj);
printf( "%c ---- To Coordinate System ----\n", tag );
pj_pr_list(toProj);
}
/* set input formating control */
if( !fromProj->is_latlong )
informat = strtod;
else {
informat = dmstor;
}
if( !toProj->is_latlong && !oform )
oform = "%.2f";
/* process input file list */
for ( ; eargc-- ; ++eargv) {
if (**eargv == '-') {
fid = stdin;
emess_dat.File_name = "<stdin>";
} else {
if ((fid = fopen(*eargv, "rt")) == NULL) {
emess(-2, *eargv, "input file");
continue;
}
emess_dat.File_name = *eargv;
}
emess_dat.File_line = 0;
process(fid);
fclose(fid);
emess_dat.File_name = 0;
}
if( fromProj != NULL )
pj_free( fromProj );
if( toProj != NULL )
pj_free( toProj );
pj_deallocate_grids();
exit(0); /* normal completion */
}
int main(int argc, char **argv) {
char *arg, *pargv[MAX_PARGS];
char **eargv = argv;
FILE *fid;
int pargc = 0, eargc = 0, mon = 0;
if ( (emess_dat.Prog_name = strrchr(*argv,DIR_CHAR)) != nullptr)
++emess_dat.Prog_name;
else emess_dat.Prog_name = *argv;
inverse = ! strncmp(emess_dat.Prog_name, "inv", 3);
if (argc <= 1 ) {
(void)fprintf(stderr, usage, pj_get_release(), emess_dat.Prog_name);
exit (0);
}
/* process run line arguments */
while (--argc > 0) { /* collect run line arguments */
if(**++argv == '-') for(arg = *argv;;) {
switch(*++arg) {
case '\0': /* position of "stdin" */
if (arg[-1] == '-') eargv[eargc++] = const_cast<char*>("-");
break;
case 'b': /* binary I/O */
bin_in = bin_out = 1;
continue;
case 'v': /* monitor dump of initialization */
mon = 1;
continue;
case 'i': /* input binary */
bin_in = 1;
continue;
case 'o': /* output binary */
bin_out = 1;
continue;
case 'I': /* alt. method to spec inverse */
inverse = 1;
continue;
case 'E': /* echo ascii input to ascii output */
echoin = 1;
continue;
case 'V': /* very verbose processing mode */
very_verby = 1;
mon = 1;
continue;
case 'S': /* compute scale factors */
dofactors = 1;
continue;
case 't': /* set col. one char */
if (arg[1]) tag = *++arg;
else emess(1,"missing -t col. 1 tag");
continue;
case 'l': /* list projections, ellipses or units */
if (!arg[1] || arg[1] == 'p' || arg[1] == 'P') {
/* list projections */
const struct PJ_LIST *lp;
int do_long = arg[1] == 'P', c;
const char *str;
for (lp = proj_list_operations() ; lp->id ; ++lp) {
if( strcmp(lp->id,"latlong") == 0
|| strcmp(lp->id,"longlat") == 0
|| strcmp(lp->id,"geocent") == 0 )
continue;
(void)printf("%s : ", lp->id);
if (do_long) /* possibly multiline description */
(void)puts(*lp->descr);
else { /* first line, only */
str = *lp->descr;
while ((c = *str++) && c != '\n')
putchar(c);
putchar('\n');
}
}
} else if (arg[1] == '=') { /* list projection 'descr' */
const struct PJ_LIST *lp;
arg += 2;
for (lp = proj_list_operations(); lp->id ; ++lp)
if (!strcmp(lp->id, arg)) {
(void)printf("%9s : %s\n", lp->id, *lp->descr);
break;
}
} else if (arg[1] == 'e') { /* list ellipses */
const struct PJ_ELLPS *le;
for (le = proj_list_ellps(); le->id ; ++le)
(void)printf("%9s %-16s %-16s %s\n",
le->id, le->major, le->ell, le->name);
} else if (arg[1] == 'u') { /* list units */
const struct PJ_UNITS *lu;
for (lu = proj_list_units(); lu->id ; ++lu)
(void)printf("%12s %-20s %s\n",
lu->id, lu->to_meter, lu->name);
} else if (arg[1] == 'd') { /* list datums */
const struct PJ_DATUMS *ld;
printf("__datum_id__ __ellipse___ __definition/comments______________________________\n" );
for (ld = pj_get_datums_ref(); ld->id ; ++ld)
{
printf("%12s %-12s %-30s\n",
ld->id, ld->ellipse_id, ld->defn);
if( ld->comments != nullptr && strlen(ld->comments) > 0 )
printf( "%25s %s\n", " ", ld->comments );
}
} else
emess(1,"invalid list option: l%c",arg[1]);
exit(0);
/* cppcheck-suppress duplicateBreak */
continue; /* artificial */
case 'e': /* error line alternative */
if (--argc <= 0)
noargument:
emess(1,"missing argument for -%c",*arg);
oterr = *++argv;
continue;
case 'm': /* cartesian multiplier */
if (--argc <= 0) goto noargument;
postscale = 1;
if (!strncmp("1/",*++argv,2) ||
!strncmp("1:",*argv,2)) {
if((fscale = atof((*argv)+2)) == 0.)
goto badscale;
fscale = 1. / fscale;
} else
if ((fscale = atof(*argv)) == 0.) {
badscale:
emess(1,"invalid scale argument");
}
continue;
case 'W': /* specify seconds precision */
case 'w': /* -W for constant field width */
{
int c = arg[1];
if (c != 0 && isdigit(c)) {
set_rtodms(c - '0', *arg == 'W');
++arg;
} else
emess(1,"-W argument missing or non-digit");
continue;
}
case 'f': /* alternate output format degrees or xy */
if (--argc <= 0) goto noargument;
oform = *++argv;
continue;
case 'd':
if (--argc <= 0) goto noargument;
sprintf(oform_buffer, "%%.%df", atoi(*++argv));
oform = oform_buffer;
break;
case 'r': /* reverse input */
reversein = 1;
continue;
case 's': /* reverse output */
reverseout = 1;
continue;
default:
emess(1, "invalid option: -%c",*arg);
break;
}
break;
} else if (**argv == '+') { /* + argument */
if (pargc < MAX_PARGS)
pargv[pargc++] = *argv + 1;
else
emess(1,"overflowed + argument table");
} else /* assumed to be input file name(s) */
eargv[eargc++] = *argv;
}
if (eargc == 0) /* if no specific files force sysin */
eargv[eargc++] = const_cast<char*>("-");
/* done with parameter and control input */
if (inverse && postscale) {
prescale = 1;
postscale = 0;
fscale = 1./fscale;
}
if (!(Proj = pj_init(pargc, pargv)))
emess(3,"projection initialization failure\ncause: %s",
pj_strerrno(pj_errno));
if (!proj_angular_input(Proj, PJ_FWD)) {
emess(3, "can't initialize operations that take non-angular input coordinates");
exit(0);
}
if (proj_angular_output(Proj, PJ_FWD)) {
emess(3, "can't initialize operations that produce angular output coordinates");
exit(0);
}
if (inverse) {
if (!Proj->inv)
emess(3,"inverse projection not available");
proj.inv = pj_inv;
} else
proj.fwd = pj_fwd;
/* set input formatting control */
if (mon) {
pj_pr_list(Proj);
if (very_verby) {
(void)printf("#Final Earth figure: ");
if (Proj->es != 0.0) {
(void)printf("ellipsoid\n# Major axis (a): ");
(void)printf(oform ? oform : "%.3f", Proj->a);
(void)printf("\n# 1/flattening: %.6f\n",
1./(1. - sqrt(1. - Proj->es)));
(void)printf("# squared eccentricity: %.12f\n", Proj->es);
} else {
(void)printf("sphere\n# Radius: ");
(void)printf(oform ? oform : "%.3f", Proj->a);
(void)putchar('\n');
}
}
}
if (inverse)
informat = strtod;
else {
informat = proj_dmstor;
if (!oform)
oform = "%.2f";
}
if (bin_out) {
SET_BINARY_MODE(stdout);
}
/* process input file list */
for ( ; eargc-- ; ++eargv) {
if (**eargv == '-') {
fid = stdin;
emess_dat.File_name = const_cast<char*>("<stdin>");
if (bin_in)
{
SET_BINARY_MODE(stdin);
}
} else {
if ((fid = fopen(*eargv, "rb")) == nullptr) {
emess(-2, *eargv, "input file");
continue;
}
emess_dat.File_name = *eargv;
}
emess_dat.File_line = 0;
if (very_verby)
vprocess(fid);
else
process(fid);
(void)fclose(fid);
emess_dat.File_name = nullptr;
}
if( Proj )
pj_free(Proj);
exit(0); /* normal completion */
}
