1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
/*
* Copyright (c) 2005 Smithsonian Astrophysical Observatory
*/
/* gcc -g -o funsky funsky.c -I $HOME/include -L$HOME/lib -lfuntools
-ldl -lnsl -lsocket -lm
*/
#include <funtoolsP.h>
#include <strtod.h>
extern char *optarg;
extern int optind;
#define X__PI 3.14159265358979323846
#define X_2PI ( 2 * X__PI )
#define X_R2D (X_2PI / 360.0)
#define X_R2H (X_2PI / 24.0)
#define X_H2D (360.0 / 24.0)
#define r2h(r) ( (r) / X_R2H )
#define h2r(d) ( (d) * X_R2H )
#define r2d(r) ( (r) / X_R2D )
#define d2r(d) ( (d) * X_R2D )
#define h2d(r) ( (r) * X_H2D )
#define d2h(d) ( (d) / X_H2D )
#ifdef ANSI_FUNC
void usage(char *s)
#else
void usage(s)
char *s;
#endif
{
fprintf(stderr, "usage: [switches] %s fname[ext]\n", s);
fprintf(stderr, "\n");
fprintf(stderr, "switches:\n");
fprintf(stderr, "-d\t# always use integer tlmin conversion (as ds9 does)\n");
fprintf(stderr, "-r\t# convert x,y to RA,Dec (default: convert RA,Dec to x,y)\n");
fprintf(stderr, "-v\t# display input values also (default: display output only)\n");
fprintf(stderr, "-T\t# output display in rdb format\n");
fprintf(stderr, "\n");
fprintf(stderr, "Pairs of space- or comma-delimited numeric values are input to stdin.\n");
fprintf(stderr, "By default, input RA and Dec are converted into x and y. (Use the\n");
fprintf(stderr, "-r to convert from x,y to RA,Dec.) When RA and Dec are input, \n");
fprintf(stderr, "floating point numbers are degrees, but h:m:s, d:m:s also are valid.\n");
fprintf(stderr, "The coord. system is taken from the header (might differ from ds9).\n");
fprintf(stderr, "NB: x,y values are physical coords for event data, image coords\n");
fprintf(stderr, "for image data.\n");
fprintf(stderr, "\n");
exit(1);
}
#ifdef ANSI_FUNC
int
main (int argc, char **argv)
#else
int
main(argc, argv)
int argc;
char **argv;
#endif
{
int c;
int ip;
int type;
int offscl;
int verbose=0;
int dods9=0;
int skytopix=1;
int tltyp[2];
double dval1, dval2, dval3, dval4;
double tlmin[2];
double binsiz[2];
char sp=' ';
char iname[SZ_LINE];
char lbuf[SZ_LINE];
char tbuf1[SZ_LINE];
char tbuf2[SZ_LINE];
char *s0, *s1;
Fun fun;
void *wcs;
/* exit on gio errors */
if( !getenv("GERROR") )
setgerror(2);
/* we want the args in the same order in which they arrived, and
gnu getopt sometimes changes things without this */
putenv("POSIXLY_CORRECT=true");
/* process switch arguments */
while ((c = getopt(argc, argv, "drvT")) != -1){
switch(c){
case 'd':
dods9=1;
break;
case 'r':
skytopix=0;
break;
case 'v':
verbose=1;
break;
case 'T':
sp = '\t';
break;
default:
break;
}
}
/* check for required arguments */
if( (argc - optind) != 1 ){
usage(argv[0]);
}
/* input file name */
strcpy(iname, argv[optind+0]);
/* open input file */
if( !(fun = FunOpen(iname, "r", NULL)) ){
gerror(stderr, "can't FunOpen input file (or find extension): %s\n", iname);
}
/* get wcs info */
FunInfoGet(fun, FUN_WCS, &wcs, FUN_TYPE, &type, 0);
/* for tables, we need some extra column info */
switch(type){
case FUN_TABLE:
case FUN_EVENTS:
s0 = fun->header->table->col[fun->bin[0]].name;
s1 = fun->header->table->col[fun->bin[1]].name;
if( s0 ){
FunColumnLookup(fun, s0, 0, NULL, &tltyp[0], NULL, NULL, NULL, NULL);
FunColumnLookup2(fun, s0, 0, &tlmin[0], NULL, &binsiz[0], NULL, NULL);
}
else{
tlmin[0] = 0;
binsiz[0] = 0;
tltyp[0] = 'I';
}
if( s1 ){
FunColumnLookup(fun, s1, 0, NULL, &tltyp[1], NULL, NULL, NULL, NULL);
FunColumnLookup2(fun, s1, 0, &tlmin[1], NULL, &binsiz[1], NULL, NULL);
}
else{
tlmin[1] = 0;
binsiz[1] = 0;
tltyp[1] = 'I';
}
break;
default:
break;
}
if( dods9 ){
tltyp[0] = 'J';
tltyp[1] = 'J';
}
if( !iswcs(wcs) ){
gerror(stderr, "could not load WCS information from header: %s\n", iname);
}
/* output header if necessary */
if( sp == '\t' ){
if( skytopix ){
if( verbose ) fprintf(stdout, " RA\t Dec\t");
fprintf(stdout, " X\t Y\n");
if( verbose ) fprintf(stdout, "------------\t------------\t");
fprintf(stdout, "------------\t------------\n");
}
else{
if( verbose ) fprintf(stdout, " X\t Y\t");
fprintf(stdout, " RA\t Dec\n");
if( verbose ) fprintf(stdout, "------------\t------------\t");
fprintf(stdout, "------------\t------------\n");
}
fflush(stdout);
}
/* read lines, split into 2 args, convert, and output */
newdtable(",");
while( fgets(lbuf, SZ_LINE, stdin) ){
ip = 0;
if( !word(lbuf, tbuf1, &ip) || !word(lbuf, tbuf2, &ip) ) break;
dval1 = SAOstrtod(tbuf1,NULL);
if( (SAOdtype !=0) && (SAOdtype != '.') && (SAOdtype != 'd') ){
dval1 = h2d(dval1);
}
dval2 = SAOstrtod(tbuf2,NULL);
if( skytopix ){
wcs2pix(wcs, dval1, dval2, &dval3, &dval4, &offscl);
if( verbose ) fprintf(stdout, "%12.6f%c%12.6f%c", dval1, sp, dval2, sp);
switch(type){
case FUN_IMAGE:
case FUN_ARRAY:
fprintf(stdout, "%12.2f%c%12.2f\n", dval3, sp, dval4);
break;
case FUN_TABLE:
case FUN_EVENTS:
dval3 = tli2p(dval3, tlmin[0], binsiz[0], tltyp[0]);
dval4 = tli2p(dval4, tlmin[1], binsiz[1], tltyp[1]);
fprintf(stdout, "%12.2f%c%12.2f\n", dval3, sp, dval4);
break;
default:
gerror(stderr, "unknown FITS data type\n");
break;
}
fflush(stdout);
}
else{
switch(type){
case FUN_IMAGE:
case FUN_ARRAY:
break;
case FUN_TABLE:
case FUN_EVENTS:
dval1 = tlp2i(dval1, tlmin[0], binsiz[0], tltyp[0]);
dval2 = tlp2i(dval2, tlmin[1], binsiz[1], tltyp[1]);
break;
default:
gerror(stderr, "unknown FITS data type\n");
break;
}
pix2wcs(wcs, (double)dval1, (double)dval2, &dval3, &dval4);
if( verbose ) fprintf(stdout, "%12.2f%c%12.2f%c", dval1, sp, dval2, sp);
fprintf(stdout, "%12.6f%c%12.6f\n", dval3, sp, dval4);
fflush(stdout);
}
}
freedtable();
/* close up shop */
FunClose(fun);
return(0);
}
|
