void* plot_index_init(plot_args_t* plotargs) {
plotindex_t* args = calloc(1, sizeof(plotindex_t));
args->indexes = pl_new(16);
args->qidxes = pl_new(16);
args->stars = TRUE;
args->quads = TRUE;
args->fill = FALSE;
return args;
}
pl* matchfile_get_matches_for_field(matchfile* mf, int field) {
pl* list = pl_new(256);
for (;;) {
MatchObj* mo = matchfile_read_match(mf);
MatchObj* copy;
if (!mo) break;
if (mo->fieldnum != field) {
// push back the newly-read entry...
matchfile_pushback_match(mf);
break;
}
copy = malloc(sizeof(MatchObj));
memcpy(copy, mo, sizeof(MatchObj));
pl_append(list, copy);
}
return list;
}
multiindex_t* multiindex_new(const char* skdtfn) {
multiindex_t* mi = calloc(1, sizeof(multiindex_t));
logverb("Reading star KD tree from %s...\n", skdtfn);
mi->fits = anqfits_open(skdtfn);
if (!mi->fits) {
ERROR("Failed to open multiindex file \"%s\"", skdtfn);
goto bailout;
}
mi->inds = pl_new(16);
if (multiindex_reload_starkd(mi)) {
ERROR("Failed to open multiindex star kd-tree \"%s\"", skdtfn);
goto bailout;
}
return mi;
bailout:
multiindex_free(mi);
return NULL;
}
void bl_reverse(bl* list) {
// reverse each block, and reverse the order of the blocks.
pl* blocks;
bl_node* node;
bl_node* lastnode;
int i;
// reverse each block
blocks = pl_new(256);
for (node=list->head; node; node=node->next) {
for (i=0; i<(node->N/2); i++) {
memswap(NODE_CHARDATA(node) + i * list->datasize,
NODE_CHARDATA(node) + (node->N - 1 - i) * list->datasize,
list->datasize);
}
pl_append(blocks, node);
}
// reverse the blocks
lastnode = NULL;
for (i=pl_size(blocks)-1; i>=0; i--) {
node = pl_get(blocks, i);
if (lastnode)
lastnode->next = node;
lastnode = node;
}
if (lastnode)
lastnode->next = NULL;
pl_free(blocks);
// swap head and tail
node = list->head;
list->head = list->tail;
list->tail = node;
list->last_access = NULL;
list->last_access_n = 0;
}
int main(int argc, char** args) {
int c;
char* wcsfn = NULL;
char* outfn = NULL;
char* infn = NULL;
sip_t sip;
double scale = 1.0;
anbool pngformat = TRUE;
char* hdpath = NULL;
anbool HD = FALSE;
cairos_t thecairos;
cairos_t* cairos = &thecairos;
cairo_surface_t* target = NULL;
cairo_t* cairot = NULL;
cairo_surface_t* surfbg = NULL;
cairo_t* cairobg = NULL;
cairo_surface_t* surfshapes = NULL;
cairo_t* cairoshapes = NULL;
cairo_surface_t* surfshapesmask = NULL;
cairo_t* cairoshapesmask = NULL;
cairo_surface_t* surffg = NULL;
cairo_t* cairo = NULL;
double lw = 2.0;
// circle linewidth.
double cw = 2.0;
double ngc_fraction = 0.02;
// NGC linewidth
double nw = 2.0;
// leave a gap short of connecting the points.
double endgap = 5.0;
// circle radius.
double crad = endgap;
double fontsize = 14.0;
double label_offset = 15.0;
int W = 0, H = 0;
unsigned char* img = NULL;
anbool NGC = FALSE, constell = FALSE;
anbool bright = FALSE;
anbool common_only = FALSE;
anbool print_common_only = FALSE;
int Nbright = 0;
double ra, dec, px, py;
int i, N;
anbool justlist = FALSE;
anbool only_messier = FALSE;
anbool grid = FALSE;
double gridspacing = 0.0;
double gridcolor[3] = { 0.2, 0.2, 0.2 };
int loglvl = LOG_MSG;
char halign = 'L';
char valign = 'C';
sl* json = NULL;
anbool whitetext = FALSE;
while ((c = getopt(argc, args, OPTIONS)) != -1) {
switch (c) {
case 'V':
valign = optarg[0];
break;
case 'O':
halign = optarg[0];
break;
case 'F':
ngc_fraction = atof(optarg);
break;
case 'h':
print_help(args[0]);
exit(0);
case 'J':
json = sl_new(4);
break;
case 'G':
gridspacing = atof(optarg);
break;
case 'g':
{
char *tail = NULL;
gridcolor[0] = strtod(optarg,&tail);
if (*tail) { tail++; gridcolor[1] = strtod(tail,&tail); }
if (*tail) { tail++; gridcolor[2] = strtod(tail,&tail); }
}
break;
case 'D':
HD = TRUE;
break;
case 'd':
hdpath = optarg;
break;
case 'M':
only_messier = TRUE;
break;
case 'n':
nw = atof(optarg);
break;
case 'f':
fontsize = atof(optarg);
break;
case 'L':
justlist = TRUE;
outfn = NULL;
break;
case 'x':
whitetext = TRUE;
break;
case 'v':
loglvl++;
break;
break;
case 'j':
print_common_only = TRUE;
break;
case 'c':
common_only = TRUE;
break;
case 'b':
Nbright = atoi(optarg);
break;
case 'B':
bright = TRUE;
break;
case 'N':
NGC = TRUE;
break;
case 'C':
constell = TRUE;
break;
case 'p':
pngformat = FALSE;
break;
case 's':
scale = atof(optarg);
break;
case 'o':
outfn = optarg;
break;
case 'i':
infn = optarg;
break;
case 'w':
wcsfn = optarg;
break;
case 'W':
W = atoi(optarg);
break;
case 'H':
H = atoi(optarg);
break;
}
}
log_init(loglvl);
log_to(stderr);
fits_use_error_system();
if (optind != argc) {
print_help(args[0]);
exit(-1);
}
if (!(outfn || justlist) || !wcsfn) {
logerr("Need (-o or -L) and -w args.\n");
print_help(args[0]);
exit(-1);
}
// read WCS.
logverb("Trying to parse SIP/TAN header from %s...\n", wcsfn);
if (!file_exists(wcsfn)) {
ERROR("No such file: \"%s\"", wcsfn);
exit(-1);
}
if (sip_read_header_file(wcsfn, &sip)) {
logverb("Got SIP header.\n");
} else {
ERROR("Failed to parse SIP/TAN header from %s", wcsfn);
exit(-1);
}
if (!(NGC || constell || bright || HD || grid)) {
logerr("Neither constellations, bright stars, HD nor NGC/IC overlays selected!\n");
print_help(args[0]);
exit(-1);
}
if (gridspacing > 0.0)
grid = TRUE;
// adjust for scaling...
lw /= scale;
cw /= scale;
nw /= scale;
crad /= scale;
endgap /= scale;
fontsize /= scale;
label_offset /= scale;
if (!W || !H) {
W = sip.wcstan.imagew;
H = sip.wcstan.imageh;
}
if (!(infn || (W && H))) {
logerr("Image width/height unspecified, and no input image given.\n");
exit(-1);
}
if (infn) {
cairoutils_fake_ppm_init();
img = cairoutils_read_ppm(infn, &W, &H);
if (!img) {
ERROR("Failed to read input image %s", infn);
exit(-1);
}
cairoutils_rgba_to_argb32(img, W, H);
} else if (!justlist) {
// Allocate a black image.
img = calloc(4 * W * H, 1);
if (!img) {
SYSERROR("Failed to allocate a blank image on which to plot!");
exit(-1);
}
}
if (HD && !hdpath) {
logerr("If you specify -D (plot Henry Draper objs), you also have to give -d (path to Henry Draper catalog)\n");
exit(-1);
}
if (!justlist) {
/*
Cairo layers:
-background: surfbg / cairobg
--> gets drawn first, in black, masked by surfshapesmask
-shapes: surfshapes / cairoshapes
--> gets drawn second, masked by surfshapesmask
-foreground/text: surffg / cairo
--> gets drawn last.
*/
surffg = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, W, H);
cairo = cairo_create(surffg);
cairo_set_line_join(cairo, CAIRO_LINE_JOIN_BEVEL);
cairo_set_antialias(cairo, CAIRO_ANTIALIAS_GRAY);
cairo_set_source_rgba(cairo, 1.0, 1.0, 1.0, 1.0);
cairo_scale(cairo, scale, scale);
//cairo_select_font_face(cairo, "helvetica", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
cairo_select_font_face(cairo, "DejaVu Sans Mono Book", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
cairo_set_font_size(cairo, fontsize);
surfshapes = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, W, H);
cairoshapes = cairo_create(surfshapes);
cairo_set_line_join(cairoshapes, CAIRO_LINE_JOIN_BEVEL);
cairo_set_antialias(cairoshapes, CAIRO_ANTIALIAS_GRAY);
cairo_set_source_rgba(cairoshapes, 1.0, 1.0, 1.0, 1.0);
cairo_scale(cairoshapes, scale, scale);
cairo_select_font_face(cairoshapes, "DejaVu Sans Mono Book", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
cairo_set_font_size(cairoshapes, fontsize);
surfshapesmask = cairo_image_surface_create(CAIRO_FORMAT_A8, W, H);
cairoshapesmask = cairo_create(surfshapesmask);
cairo_set_line_join(cairoshapesmask, CAIRO_LINE_JOIN_BEVEL);
cairo_set_antialias(cairoshapesmask, CAIRO_ANTIALIAS_GRAY);
cairo_set_source_rgba(cairoshapesmask, 1.0, 1.0, 1.0, 1.0);
cairo_scale(cairoshapesmask, scale, scale);
cairo_select_font_face(cairoshapesmask, "DejaVu Sans Mono Book", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
cairo_set_font_size(cairoshapesmask, fontsize);
cairo_paint(cairoshapesmask);
cairo_stroke(cairoshapesmask);
surfbg = cairo_image_surface_create(CAIRO_FORMAT_A8, W, H);
cairobg = cairo_create(surfbg);
cairo_set_line_join(cairobg, CAIRO_LINE_JOIN_BEVEL);
cairo_set_antialias(cairobg, CAIRO_ANTIALIAS_GRAY);
cairo_set_source_rgba(cairobg, 0, 0, 0, 1);
cairo_scale(cairobg, scale, scale);
cairo_select_font_face(cairobg, "DejaVu Sans Mono Book", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
cairo_set_font_size(cairobg, fontsize);
cairos->bg = cairobg;
cairos->fg = cairo;
cairos->shapes = cairoshapes;
cairos->shapesmask = cairoshapesmask;
cairos->imgW = (float)W/scale;
cairos->imgH = (float)H/scale;
// }
if (grid) {
double ramin, ramax, decmin, decmax;
double ra, dec;
double rastep = gridspacing / 60.0;
double decstep = gridspacing / 60.0;
// how many line segments
int N = 10;
double px, py;
int i;
cairo_set_source_rgba(cairo, gridcolor[0], gridcolor[1], gridcolor[2], 1.0);
sip_get_radec_bounds(&sip, 100, &ramin, &ramax, &decmin, &decmax);
logverb("Plotting grid lines from RA=%g to %g in steps of %g; Dec=%g to %g in steps of %g\n",
ramin, ramax, rastep, decmin, decmax, decstep);
for (dec = decstep * floor(decmin / decstep); dec<=decmax; dec+=decstep) {
logverb(" dec=%g\n", dec);
for (i=0; i<=N; i++) {
ra = ramin + ((double)i / (double)N) * (ramax - ramin);
if (!sip_radec2pixelxy(&sip, ra, dec, &px, &py))
continue;
// first time, move_to; else line_to
((ra == ramin) ? cairo_move_to : cairo_line_to)(cairo, px, py);
}
cairo_stroke(cairo);
}
for (ra = rastep * floor(ramin / rastep); ra <= ramax; ra += rastep) {
//for (dec=decmin; dec<=decmax; dec += (decmax - decmin)/(double)N) {
logverb(" ra=%g\n", ra);
for (i=0; i<=N; i++) {
dec = decmin + ((double)i / (double)N) * (decmax - decmin);
if (!sip_radec2pixelxy(&sip, ra, dec, &px, &py))
continue;
// first time, move_to; else line_to
((dec == decmin) ? cairo_move_to : cairo_line_to)(cairo, px, py);
}
cairo_stroke(cairo);
}
cairo_set_source_rgba(cairo, 1.0, 1.0, 1.0, 1.0);
}
}
if (constell) {
N = constellations_n();
logverb("Checking %i constellations.\n", N);
for (c=0; c<N; c++) {
const char* shortname = NULL;
const char* longname;
il* lines;
il* uniqstars;
il* inboundstars;
float r,g,b;
int Ninbounds;
int Nunique;
cairo_text_extents_t textents;
double cmass[3];
uniqstars = constellations_get_unique_stars(c);
inboundstars = il_new(16);
Nunique = il_size(uniqstars);
debug("%s: %zu unique stars.\n", shortname, il_size(uniqstars));
// Count the number of unique stars belonging to this contellation
// that are within the image bounds
Ninbounds = 0;
for (i=0; i<il_size(uniqstars); i++) {
int star;
star = il_get(uniqstars, i);
constellations_get_star_radec(star, &ra, &dec);
debug("star %i: ra,dec (%g,%g)\n", il_get(uniqstars, i), ra, dec);
if (!sip_radec2pixelxy(&sip, ra, dec, &px, &py))
continue;
if (px < 0 || py < 0 || px*scale > W || py*scale > H)
continue;
Ninbounds++;
il_append(inboundstars, star);
}
il_free(uniqstars);
debug("%i are in-bounds.\n", Ninbounds);
// Only draw this constellation if at least 2 of its stars
// are within the image bounds.
if (Ninbounds < 2) {
il_free(inboundstars);
continue;
}
// Set the color based on the location of the first in-bounds star.
// This is a hack -- we have two different constellation
// definitions with different numbering schemes!
if (!justlist && (il_size(inboundstars) > 0)) {
// This is helpful for videos: ensuring that the same
// color is chosen for a constellation in each frame.
int star = il_get(inboundstars, 0);
constellations_get_star_radec(star, &ra, &dec);
if (whitetext) {
r = g = b = 1;
} else {
color_for_radec(ra, dec, &r, &g, &b);
}
cairo_set_source_rgba(cairoshapes, r,g,b,0.8);
cairo_set_line_width(cairoshapes, cw);
cairo_set_source_rgba(cairo, r,g,b,0.8);
cairo_set_line_width(cairo, cw);
}
// Draw circles around each star.
// Find center of mass (of the in-bounds stars)
cmass[0] = cmass[1] = cmass[2] = 0.0;
for (i=0; i<il_size(inboundstars); i++) {
double xyz[3];
int star = il_get(inboundstars, i);
constellations_get_star_radec(star, &ra, &dec);
if (!sip_radec2pixelxy(&sip, ra, dec, &px, &py))
continue;
if (px < 0 || py < 0 || px*scale > W || py*scale > H)
continue;
if (!justlist) {
cairo_arc(cairobg, px, py, crad+1.0, 0.0, 2.0*M_PI);
cairo_stroke(cairobg);
cairo_arc(cairoshapes, px, py, crad, 0.0, 2.0*M_PI);
cairo_stroke(cairoshapes);
}
radecdeg2xyzarr(ra, dec, xyz);
cmass[0] += xyz[0];
cmass[1] += xyz[1];
cmass[2] += xyz[2];
}
cmass[0] /= il_size(inboundstars);
cmass[1] /= il_size(inboundstars);
cmass[2] /= il_size(inboundstars);
xyzarr2radecdeg(cmass, &ra, &dec);
il_free(inboundstars);
if (!sip_radec2pixelxy(&sip, ra, dec, &px, &py))
continue;
shortname = constellations_get_shortname(c);
longname = constellations_get_longname(c);
assert(shortname && longname);
logverb("%s at (%g, %g)\n", longname, px, py);
if (Ninbounds == Nunique) {
printf("The constellation %s (%s)\n", longname, shortname);
} else {
printf("Part of the constellation %s (%s)\n", longname, shortname);
}
if (justlist)
continue;
// If the label will be off-screen, move it back on.
cairo_text_extents(cairo, shortname, &textents);
if (px < 0)
px = 0;
if (py < textents.height)
py = textents.height;
if ((px + textents.width)*scale > W)
px = W/scale - textents.width;
if ((py+textents.height)*scale > H)
py = H/scale - textents.height;
logverb("%s at (%g, %g)\n", shortname, px, py);
add_text(cairos, longname, px, py, halign, valign);
// Draw the lines.
cairo_set_line_width(cairo, lw);
lines = constellations_get_lines(c);
for (i=0; i<il_size(lines)/2; i++) {
int star1, star2;
double ra1, dec1, ra2, dec2;
double px1, px2, py1, py2;
double dx, dy;
double dist;
double gapfrac;
star1 = il_get(lines, i*2+0);
star2 = il_get(lines, i*2+1);
constellations_get_star_radec(star1, &ra1, &dec1);
constellations_get_star_radec(star2, &ra2, &dec2);
if (!sip_radec2pixelxy(&sip, ra1, dec1, &px1, &py1) ||
!sip_radec2pixelxy(&sip, ra2, dec2, &px2, &py2))
continue;
dx = px2 - px1;
dy = py2 - py1;
dist = hypot(dx, dy);
gapfrac = endgap / dist;
cairo_move_to(cairoshapes, px1 + dx*gapfrac, py1 + dy*gapfrac);
cairo_line_to(cairoshapes, px1 + dx*(1.0-gapfrac), py1 + dy*(1.0-gapfrac));
cairo_stroke(cairoshapes);
}
il_free(lines);
}
logverb("done constellations.\n");
}
if (bright) {
double dy = 0;
cairo_font_extents_t extents;
pl* brightstars = pl_new(16);
if (!justlist) {
cairo_set_source_rgba(cairoshapes, 0.75, 0.75, 0.75, 0.8);
cairo_font_extents(cairo, &extents);
dy = extents.ascent * 0.5;
cairo_set_line_width(cairoshapes, cw);
}
N = bright_stars_n();
logverb("Checking %i bright stars.\n", N);
for (i=0; i<N; i++) {
const brightstar_t* bs = bright_stars_get(i);
if (!sip_radec2pixelxy(&sip, bs->ra, bs->dec, &px, &py))
continue;
if (px < 0 || py < 0 || px*scale > W || py*scale > H)
continue;
if (!(bs->name && strlen(bs->name)))
continue;
if (common_only && !(bs->common_name && strlen(bs->common_name)))
continue;
if (strcmp(bs->common_name, "Maia") == 0)
continue;
pl_append(brightstars, bs);
}
// keep only the Nbright brightest?
if (Nbright && (pl_size(brightstars) > Nbright)) {
pl_sort(brightstars, sort_by_mag);
pl_remove_index_range(brightstars, Nbright, pl_size(brightstars)-Nbright);
}
for (i=0; i<pl_size(brightstars); i++) {
char* text;
const brightstar_t* bs = pl_get(brightstars, i);
if (!sip_radec2pixelxy(&sip, bs->ra, bs->dec, &px, &py))
continue;
if (bs->common_name && strlen(bs->common_name))
if (print_common_only || common_only)
text = strdup(bs->common_name);
else
asprintf_safe(&text, "%s (%s)", bs->common_name, bs->name);
else
text = strdup(bs->name);
logverb("%s at (%g, %g)\n", text, px, py);
if (json) {
sl* names = sl_new(4);
char* namearr;
if (bs->common_name && strlen(bs->common_name))
sl_append(names, bs->common_name);
if (bs->name)
sl_append(names, bs->name);
namearr = sl_join(names, "\", \"");
sl_appendf(json,
"{ \"type\" : \"star\", "
" \"pixelx\": %g, "
" \"pixely\": %g, "
" \"name\" : \"%s\", "
" \"names\" : [ \"%s\" ] } "
, px, py,
(bs->common_name && strlen(bs->common_name)) ? bs->common_name : bs->name,
namearr);
free(namearr);
sl_free2(names);
}
if (bs->common_name && strlen(bs->common_name))
printf("The star %s (%s)\n", bs->common_name, bs->name);
else
printf("The star %s\n", bs->name);
if (!justlist) {
float r,g,b;
// set color based on RA,Dec to match constellations above.
if (whitetext) {
r = g = b = 1;
} else {
color_for_radec(bs->ra, bs->dec, &r, &g, &b);
}
cairo_set_source_rgba(cairoshapes, r,g,b,0.8);
cairo_set_source_rgba(cairo, r,g,b, 0.8);
}
if (!justlist)
add_text(cairos, text, px + label_offset, py + dy,
halign, valign);
free(text);
if (!justlist) {
// plot a black circle behind the light circle...
cairo_arc(cairobg, px, py, crad+1.0, 0.0, 2.0*M_PI);
cairo_stroke(cairobg);
cairo_arc(cairoshapes, px, py, crad, 0.0, 2.0*M_PI);
cairo_stroke(cairoshapes);
}
}
pl_free(brightstars);
}
if (NGC) {
double imscale;
double imsize;
double dy = 0;
cairo_font_extents_t extents;
if (!justlist) {
cairo_set_source_rgb(cairoshapes, 1.0, 1.0, 1.0);
cairo_set_source_rgb(cairo, 1.0, 1.0, 1.0);
cairo_set_line_width(cairo, nw);
cairo_font_extents(cairo, &extents);
dy = extents.ascent * 0.5;
}
// arcsec/pixel
imscale = sip_pixel_scale(&sip);
// arcmin
imsize = imscale * (imin(W, H) / scale) / 60.0;
N = ngc_num_entries();
logverb("Checking %i NGC/IC objects.\n", N);
for (i=0; i<N; i++) {
ngc_entry* ngc = ngc_get_entry(i);
sl* str;
sl* names;
double pixsize;
float ara, adec;
char* text;
if (!ngc)
break;
if (ngc->size < imsize * ngc_fraction)
continue;
if (ngcic_accurate_get_radec(ngc->is_ngc, ngc->id, &ara, &adec) == 0) {
ngc->ra = ara;
ngc->dec = adec;
}
if (!sip_radec2pixelxy(&sip, ngc->ra, ngc->dec, &px, &py))
continue;
if (px < 0 || py < 0 || px*scale > W || py*scale > H)
continue;
str = sl_new(4);
//sl_appendf(str, "%s %i", (ngc->is_ngc ? "NGC" : "IC"), ngc->id);
names = ngc_get_names(ngc, NULL);
if (names) {
int n;
for (n=0; n<sl_size(names); n++) {
if (only_messier && strncmp(sl_get(names, n), "M ", 2))
continue;
sl_append(str, sl_get(names, n));
}
}
sl_free2(names);
text = sl_implode(str, " / ");
printf("%s\n", text);
pixsize = ngc->size * 60.0 / imscale;
if (!justlist) {
// black circle behind the white one...
cairo_arc(cairobg, px, py, pixsize/2.0+1.0, 0.0, 2.0*M_PI);
cairo_stroke(cairobg);
cairo_move_to(cairoshapes, px + pixsize/2.0, py);
cairo_arc(cairoshapes, px, py, pixsize/2.0, 0.0, 2.0*M_PI);
debug("size: %f arcsec, pixsize: %f pixels\n", ngc->size, pixsize);
cairo_stroke(cairoshapes);
add_text(cairos, text, px + label_offset, py + dy,
halign, valign);
}
if (json) {
char* namelist = sl_implode(str, "\", \"");
sl_appendf(json,
"{ \"type\" : \"ngc\", "
" \"names\" : [ \"%s\" ], "
" \"pixelx\" : %g, "
" \"pixely\" : %g, "
" \"radius\" : %g }"
, namelist, px, py, pixsize/2.0);
free(namelist);
}
free(text);
sl_free2(str);
}
}
if (HD) {
double rac, decc, ra2, dec2;
double arcsec;
hd_catalog_t* hdcat;
bl* hdlist;
int i;
if (!justlist)
cairo_set_source_rgb(cairo, 1.0, 1.0, 1.0);
logverb("Reading HD catalog: %s\n", hdpath);
hdcat = henry_draper_open(hdpath);
if (!hdcat) {
ERROR("Failed to open HD catalog");
exit(-1);
}
logverb("Got %i HD stars\n", henry_draper_n(hdcat));
sip_pixelxy2radec(&sip, W/(2.0*scale), H/(2.0*scale), &rac, &decc);
sip_pixelxy2radec(&sip, 0.0, 0.0, &ra2, &dec2);
arcsec = arcsec_between_radecdeg(rac, decc, ra2, dec2);
// Fudge
arcsec *= 1.1;
hdlist = henry_draper_get(hdcat, rac, decc, arcsec);
logverb("Found %zu HD stars within range (%g arcsec of RA,Dec %g,%g)\n", bl_size(hdlist), arcsec, rac, decc);
for (i=0; i<bl_size(hdlist); i++) {
double px, py;
char* txt;
hd_entry_t* hd = bl_access(hdlist, i);
if (!sip_radec2pixelxy(&sip, hd->ra, hd->dec, &px, &py)) {
continue;
}
if (px < 0 || py < 0 || px*scale > W || py*scale > H) {
logverb(" HD %i at RA,Dec (%g, %g) -> pixel (%.1f, %.1f) is out of bounds\n",
hd->hd, hd->ra, hd->dec, px, py);
continue;
}
asprintf_safe(&txt, "HD %i", hd->hd);
if (!justlist) {
cairo_text_extents_t textents;
cairo_text_extents(cairo, txt, &textents);
cairo_arc(cairobg, px, py, crad+1.0, 0.0, 2.0*M_PI);
cairo_stroke(cairobg);
cairo_arc(cairoshapes, px, py, crad, 0.0, 2.0*M_PI);
cairo_stroke(cairoshapes);
px -= (textents.width * 0.5);
py -= (crad + 4.0);
add_text(cairos, txt, px, py, halign, valign);
}
if (json)
sl_appendf(json,
"{ \"type\" : \"hd\","
" \"pixelx\": %g, "
" \"pixely\": %g, "
" \"name\" : \"HD %i\" }"
, px, py, hd->hd);
printf("%s\n", txt);
free(txt);
}
bl_free(hdlist);
henry_draper_close(hdcat);
}
if (json) {
FILE* fout = stderr;
char* annstr = sl_implode(json, ",\n");
fprintf(fout, "{ \n");
fprintf(fout, " \"status\": \"solved\",\n");
fprintf(fout, " \"git-revision\": %s,\n", AN_GIT_REVISION);
fprintf(fout, " \"git-date\": \"%s\",\n", AN_GIT_DATE);
fprintf(fout, " \"annotations\": [\n%s\n]\n", annstr);
fprintf(fout, "}\n");
free(annstr);
}
sl_free2(json);
json = NULL;
if (justlist)
return 0;
target = cairo_image_surface_create_for_data(img, CAIRO_FORMAT_ARGB32, W, H, W*4);
cairot = cairo_create(target);
cairo_set_source_rgba(cairot, 0, 0, 0, 1);
// Here's where you set the background surface's properties...
cairo_set_source_surface(cairot, surfbg, 0, 0);
cairo_mask_surface(cairot, surfshapesmask, 0, 0);
cairo_stroke(cairot);
// Add on the shapes.
cairo_set_source_surface(cairot, surfshapes, 0, 0);
//cairo_mask_surface(cairot, surfshapes, 0, 0);
cairo_mask_surface(cairot, surfshapesmask, 0, 0);
cairo_stroke(cairot);
// Add on the foreground.
cairo_set_source_surface(cairot, surffg, 0, 0);
cairo_mask_surface(cairot, surffg, 0, 0);
cairo_stroke(cairot);
// Convert image for output...
cairoutils_argb32_to_rgba(img, W, H);
if (pngformat) {
if (cairoutils_write_png(outfn, img, W, H)) {
ERROR("Failed to write PNG");
exit(-1);
}
} else {
if (cairoutils_write_ppm(outfn, img, W, H)) {
ERROR("Failed to write PPM");
exit(-1);
}
}
cairo_surface_destroy(target);
cairo_surface_destroy(surfshapesmask);
cairo_surface_destroy(surffg);
cairo_surface_destroy(surfbg);
cairo_surface_destroy(surfshapes);
cairo_destroy(cairo);
cairo_destroy(cairot);
cairo_destroy(cairobg);
cairo_destroy(cairoshapes);
cairo_destroy(cairoshapesmask);
free(img);
return 0;
}
int main(int argc, char** args) {
int argchar;
char* progname = args[0];
int sock;
struct sockaddr_in addr;
int port = 6789;
unsigned int opt;
pl* clients;
int flags;
while ((argchar = getopt (argc, args, OPTIONS)) != -1) {
switch (argchar) {
case 'p':
port = atoi(optarg);
break;
case 'f':
solvedfnpattern = optarg;
break;
case 'h':
default:
printHelp(progname);
exit(-1);
}
}
sock = socket(PF_INET, SOCK_STREAM, 0);
if (sock == -1) {
fprintf(stderr, "Error: couldn't create socket: %s\n", strerror(errno));
exit(-1);
}
opt = 1;
if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) == -1) {
fprintf(stderr, "Warning: failed to setsockopt() to reuse address.\n");
}
flags = fcntl(sock, F_GETFL, 0);
if (flags == -1) {
fprintf(stderr, "Warning: failed to get socket flags: %s\n",
strerror(errno));
} else {
flags |= O_NONBLOCK;
if (fcntl(sock, F_SETFL, flags) == -1) {
fprintf(stderr, "Warning: failed to set socket flags: %s\n",
strerror(errno));
}
}
memset(&addr, 0, sizeof(struct sockaddr_in));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = INADDR_ANY;
addr.sin_port = htons(port);
// gcc with strict-aliasing warn about this cast but according to "the internet"
// it's okay because we're not dereferencing the cast pointer.
if (bind(sock, (struct sockaddr*)&addr, sizeof(struct sockaddr_in))) {
fprintf(stderr, "Error: couldn't bind socket: %s\n", strerror(errno));
exit(-1);
}
if (listen(sock, 1000)) {
fprintf(stderr, "Error: failed to listen() on socket: %s\n", strerror(errno));
exit(-1);
}
printf("Listening on port %i.\n", port);
fflush(stdout);
signal(SIGINT, sighandler);
clients = pl_new(32);
// wait for a connection or i/o...
while (1) {
struct sockaddr_in clientaddr;
socklen_t addrsz = sizeof(clientaddr);
FILE* fid;
fd_set rset;
struct timeval timeout;
int res;
int maxval = 0;
int i;
timeout.tv_sec = 1;
timeout.tv_usec = 0;
FD_ZERO(&rset);
maxval = sock;
for (i=0; i<pl_size(clients); i++) {
int val;
fid = pl_get(clients, i);
val = fileno(fid);
FD_SET(val, &rset);
if (val > maxval)
maxval = val;
}
assert(maxval<FD_SETSIZE);
FD_SET(sock, &rset);
res = select(maxval+1, &rset, NULL, NULL, &timeout);
if (res == -1) {
if (errno != EINTR) {
fprintf(stderr, "Error: select(): %s\n", strerror(errno));
exit(-1);
}
}
if (bailout)
break;
if (!res)
continue;
for (i=0; i<pl_size(clients); i++) {
fid = pl_get(clients, i);
if (FD_ISSET(fileno(fid), &rset)) {
if (handle_request(fid)) {
fprintf(stderr, "Error from fileno %i\n", fileno(fid));
pl_remove(clients, i);
i--;
continue;
}
}
}
if (FD_ISSET(sock, &rset)) {
// See comment about strict aliasing above. Should be okay, despite gcc warning.
int s = accept(sock, (struct sockaddr*)&clientaddr, &addrsz);
if (s == -1) {
fprintf(stderr, "Error: failed to accept() on socket: %s\n", strerror(errno));
continue;
}
if (addrsz != sizeof(clientaddr)) {
fprintf(stderr, "Error: client address has size %i, not %i.\n", addrsz, (uint)sizeof(clientaddr));
continue;
}
printf("Connection from %s.\n", inet_ntoa(clientaddr.sin_addr));
fflush(stdout);
fid = fdopen(s, "a+b");
pl_append(clients, fid);
}
}
printf("Closing socket...\n");
if (close(sock)) {
fprintf(stderr, "Error: failed to close socket: %s\n", strerror(errno));
}
return 0;
}
int main(int argc, char *argv[]) {
int argchar;
char* infn = NULL;
char* outfn = NULL;
FILE* fin = NULL;
FILE* fout = NULL;
pl* cols;
char* progname = argv[0];
int nextens;
int ext;
int NC;
int start, size;
anqfits_t* anq = NULL;
qfits_table* outtable;
unsigned char* buffer;
cols = pl_new(16);
while ((argchar = getopt (argc, argv, OPTIONS)) != -1)
switch (argchar) {
case 'c':
pl_append(cols, optarg);
break;
case 'i':
infn = optarg;
break;
case 'o':
outfn = optarg;
break;
case '?':
case 'h':
printHelp(progname);
return 0;
default:
return -1;
}
if (!infn || !outfn || !pl_size(cols)) {
printHelp(progname);
exit(-1);
}
fin = fopen(infn, "rb");
if (!fin) {
ERROR("Failed to open input file %s: %s\n", infn, strerror(errno));
exit(-1);
}
fout = fopen(outfn, "wb");
if (!fout) {
ERROR("Failed to open output file %s: %s\n", outfn, strerror(errno));
exit(-1);
}
// copy the main header exactly.
anq = anqfits_open(infn);
if (!anq) {
ERROR("Failed to read \"%s\"", infn);
exit(-1);
}
start = anqfits_header_start(anq, 0);
size = anqfits_header_size (anq, 0);
if (pipe_file_offset(fin, start, size, fout)) {
ERROR("Failed to copy primary header.\n");
exit(-1);
}
NC = pl_size(cols);
nextens = anqfits_n_ext(anq);
printf("Translating %i extensions.\n", nextens);
buffer = NULL;
for (ext=1; ext<nextens; ext++) {
int c2, c;
int columns[NC];
int sizes[NC];
int offsets[NC];
int offset = 0;
int off, n;
int totalsize = 0;
const int BLOCK=1000;
qfits_table* table;
qfits_header* header;
qfits_header* tablehdr;
if (ext%100 == 0) {
printf("Extension %i.\n", ext);
fflush(stdout);
}
if (!anqfits_is_table(anq, ext)) {
ERROR("extention %i isn't a table.\n", ext);
// HACK - just copy it.
return -1;
}
table = anqfits_get_table(anq, ext);
if (!table) {
ERROR("failed to open table: file %s, extension %i.\n", infn, ext);
return -1;
}
header = anqfits_get_header(anq, ext);
if (!header) {
ERROR("failed to read header: extension %i\n", ext);
exit(-1);
}
outtable = qfits_table_new(outfn, QFITS_BINTABLE, 0, NC, table->nr);
outtable->tab_w = 0;
for (c=0; c<pl_size(cols); c++) {
columns[c] = -1;
}
for (c=0; c<pl_size(cols); c++) {
char* colname = pl_get(cols, c);
qfits_col* col;
c2 = fits_find_column(table, colname);
if (c2 == -1) {
ERROR("Extension %i: failed to find column named %s\n",
ext, colname);
exit(-1);
}
col = table->col + c2;
columns[c] = c2;
sizes[c] = col->atom_nb * col->atom_size;
offsets[c] = offset;
offset += sizes[c];
qfits_col_fill(outtable->col + c,
col->atom_nb, col->atom_dec_nb,
col->atom_size, col->atom_type,
col->tlabel, col->tunit,
col->nullval, col->tdisp,
col->zero_present,
col->zero,
col->scale_present,
col->scale,
outtable->tab_w);
outtable->tab_w += sizes[c];
}
totalsize = offset;
tablehdr = qfits_table_ext_header_default(outtable);
// add any headers from the original table that aren't part of the BINTABLE extension.
fits_copy_non_table_headers(tablehdr, header);
qfits_header_dump(tablehdr, fout);
qfits_header_destroy(tablehdr);
buffer = realloc(buffer, totalsize * BLOCK);
for (off=0; off<table->nr; off+=n) {
if (off + BLOCK > table->nr)
n = table->nr - off;
else
n = BLOCK;
for (c=0; c<pl_size(cols); c++)
qfits_query_column_seq_to_array_no_endian_swap
(table, columns[c], off, n, buffer + offsets[c], totalsize);
if (fwrite(buffer, totalsize, n, fout) != n) {
ERROR("Error writing a block of data: ext %i: %s\n", ext, strerror(errno));
exit(-1);
}
}
qfits_table_close(outtable);
fits_pad_file(fout);
qfits_header_destroy(header);
qfits_table_close(table);
}
free(buffer);
if (fclose(fout)) {
ERROR("Error closing output file: %s\n", strerror(errno));
}
fclose(fin);
anqfits_close(anq);
pl_free(cols);
return 0;
}
int main(int argc, char** args) {
int c;
FILE* fconst = NULL;
uint32_t nstars;
size_t mapsize;
void* map;
unsigned char* hip;
FILE* fhip = NULL;
int i;
pl* cstars;
il* alluniqstars;
sl* shortnames;
while ((c = getopt(argc, args, OPTIONS)) != -1) {
switch (c) {
case 'h':
print_help(args[0]);
exit(0);
}
}
if (optind != argc) {
print_help(args[0]);
exit(-1);
}
for (i=0; i<sizeof(const_dirs)/sizeof(char*); i++) {
char fn[256];
snprintf(fn, sizeof(fn), "%s/%s", const_dirs[i], constfn);
fprintf(stderr, "render_constellation: Trying file: %s\n", fn);
fconst = fopen(fn, "rb");
if (fconst)
break;
}
if (!fconst) {
fprintf(stderr, "render_constellation: couldn't open any constellation files.\n");
return -1;
}
for (i=0; i<sizeof(hip_dirs)/sizeof(char*); i++) {
char fn[256];
snprintf(fn, sizeof(fn), "%s/%s", hip_dirs[i], hipparcos_fn);
fprintf(stderr, "render_constellation: Trying hip file: %s\n", fn);
fhip = fopen(fn, "rb");
if (fhip)
break;
}
if (!fhip) {
fprintf(stderr, "render_constellation: unhip\n");
return -1;
}
// first 32-bit int:
if (fread(&nstars, 4, 1, fhip) != 1) {
fprintf(stderr, "render_constellation: failed to read nstars.\n");
return -1;
}
v32_letoh(&nstars);
fprintf(stderr, "render_constellation: Found %i Hipparcos stars\n", nstars);
mapsize = nstars * HIP_SIZE + HIP_OFFSET;
map = mmap(0, mapsize, PROT_READ, MAP_SHARED, fileno(fhip), 0);
hip = ((unsigned char*)map) + HIP_OFFSET;
// for each constellation, its il* of lines.
cstars = pl_new(16);
alluniqstars = il_new(16);
shortnames = sl_new(16);
for (c=0;; c++) {
char shortname[16];
int nlines;
int i;
il* stars;
if (feof(fconst))
break;
if (fscanf(fconst, "%s %d ", shortname, &nlines) != 2) {
fprintf(stderr, "failed to parse name+nlines (constellation %i)\n", c);
fprintf(stderr, "file offset: %i (%x)\n",
(int)ftello(fconst), (int)ftello(fconst));
return -1;
}
//fprintf(stderr, "Name: %s. Nlines %i.\n", shortname, nlines);
stars = il_new(16);
sl_append(shortnames, shortname);
pl_append(cstars, stars);
for (i=0; i<nlines; i++) {
int star1, star2;
if (fscanf(fconst, " %d %d", &star1, &star2) != 2) {
fprintf(stderr, "failed parse star1+star2\n");
return -1;
}
il_insert_unique_ascending(alluniqstars, star1);
il_insert_unique_ascending(alluniqstars, star2);
il_append(stars, star1);
il_append(stars, star2);
}
fscanf(fconst, "\n");
}
fprintf(stderr, "render_constellations: Read %i constellations.\n", c);
printf("static const int constellations_N = %i;\n", sl_size(shortnames));
/*
for (c=0; c<sl_size(shortnames); c++) {
printf("static const char* shortname_%i = \"%s\";\n", c, sl_get(shortnames, c));
}
printf("static const char* shortnames[] = {");
for (c=0; c<sl_size(shortnames); c++) {
printf("shortname_%i,", c);
}
printf("};\n");
*/
printf("static const char* shortnames[] = {");
for (c=0; c<sl_size(shortnames); c++) {
printf("\"%s\",", sl_get(shortnames, c));
}
printf("};\n");
printf("static const int constellation_nlines[] = {");
for (c=0; c<pl_size(cstars); c++) {
il* stars = pl_get(cstars, c);
printf("%i,", il_size(stars)/2);
}
printf("};\n");
for (c=0; c<pl_size(cstars); c++) {
il* stars = pl_get(cstars, c);
printf("static const int constellation_lines_%i[] = {", c);
for (i=0; i<il_size(stars); i++) {
int s = il_get(stars, i);
int ms = il_index_of(alluniqstars, s);
printf("%s%i", (i?",":""), ms);
}
printf("};\n");
}
printf("static const int* constellation_lines[] = {");
for (c=0; c<pl_size(cstars); c++) {
printf("constellation_lines_%i,", c);
}
printf("};\n");
printf("static const int stars_N = %i;\n", il_size(alluniqstars));
printf("static const double star_positions[] = {");
for (i=0; i<il_size(alluniqstars); i++) {
int s = il_get(alluniqstars, i);
double ra, dec;
hip_get_radec(hip, s, &ra, &dec);
printf("%g,%g,", ra, dec);
}
printf("};\n");
munmap(map, mapsize);
fclose(fconst);
fclose(fhip);
return 0;
}
sl* sl_new(int blocksize) {
pl* lst = pl_new(blocksize);
assert(lst);
return lst;
}
int main(int argc, char **argv) {
int argchar;
startree_t* starkd;
double ra=0.0, dec=0.0, radius=0.0;
sl* tag = sl_new(4);
anbool tagall = FALSE;
char* starfn = NULL;
int loglvl = LOG_MSG;
char** myargs;
int nmyargs;
anbool getinds = FALSE;
double* radec;
int* inds;
int N;
int i;
char* rdfn = NULL;
pl* tagdata = pl_new(16);
il* tagsizes = il_new(16);
fitstable_t* tagalong = NULL;
while ((argchar = getopt (argc, argv, OPTIONS)) != -1)
switch (argchar) {
case 'o':
rdfn = optarg;
break;
case 'I':
getinds = TRUE;
break;
case 'r':
ra = atof(optarg);
break;
case 'd':
dec = atof(optarg);
break;
case 'R':
radius = atof(optarg);
break;
case 't':
sl_append(tag, optarg);
break;
case 'T':
tagall = TRUE;
break;
case 'v':
loglvl++;
break;
case '?':
fprintf(stderr, "Unknown option `-%c'.\n", optopt);
case 'h':
printHelp(argv[0]);
break;
default:
return -1;
}
nmyargs = argc - optind;
myargs = argv + optind;
if (nmyargs != 1) {
ERROR("Got %i arguments; expected 1.\n", nmyargs);
printHelp(argv[0]);
exit(-1);
}
starfn = myargs[0];
log_init(loglvl);
starkd = startree_open(starfn);
if (!starkd) {
ERROR("Failed to open star kdtree");
exit(-1);
}
logmsg("Searching kdtree %s at RA,Dec = (%g,%g), radius %g deg.\n",
starfn, ra, dec, radius);
startree_search_for_radec(starkd, ra, dec, radius,
NULL, &radec, &inds, &N);
logmsg("Got %i results.\n", N);
if (!N)
goto done;
if (tagall) {
int j, M;
M = startree_get_tagalong_N_columns(starkd);
for (j=0; j<M; j++)
sl_append(tag, startree_get_tagalong_column_name(starkd, j));
}
if (sl_size(tag)) {
tagalong = startree_get_tagalong(starkd);
if (!tagalong) {
ERROR("Failed to find tag-along table in index");
exit(-1);
}
}
if (rdfn) {
rdlist_t* rd = rdlist_open_for_writing(rdfn);
il* colnums = il_new(16);
if (!rd) {
ERROR("Failed to open output file %s", rdfn);
exit(-1);
}
if (rdlist_write_primary_header(rd)) {
ERROR("Failed to write header to output file %s", rdfn);
exit(-1);
}
for (i=0; i<sl_size(tag); i++) {
const char* col = sl_get(tag, i);
char* units;
tfits_type type;
int arraysize;
void* data;
int colnum;
int itemsize;
if (fitstable_find_fits_column(tagalong, col, &units, &type, &arraysize)) {
ERROR("Failed to find column \"%s\" in index", col);
exit(-1);
}
itemsize = fits_get_atom_size(type) * arraysize;
data = fitstable_read_column_array_inds(tagalong, col, type, inds, N, NULL);
if (!data) {
ERROR("Failed to read data for column \"%s\" in index", col);
exit(-1);
}
colnum = rdlist_add_tagalong_column(rd, type, arraysize, type, col, NULL);
il_append(colnums, colnum);
il_append(tagsizes, itemsize);
pl_append(tagdata, data);
}
if (rdlist_write_header(rd)) {
ERROR("Failed to write header to output file %s", rdfn);
exit(-1);
}
for (i=0; i<N; i++) {
if (rdlist_write_one_radec(rd, radec[i*2+0], radec[i*2+1])) {
ERROR("Failed to write RA,Dec to output file %s", rdfn);
exit(-1);
}
}
for (i=0; i<sl_size(tag); i++) {
int col = il_get(colnums, i);
void* data = pl_get(tagdata, i);
int itemsize = il_get(tagsizes, i);
if (rdlist_write_tagalong_column(rd, col, 0, N, data, itemsize)) {
ERROR("Failed to write tag-along data column %s", sl_get(tag, i));
exit(-1);
}
}
if (rdlist_fix_header(rd) ||
rdlist_fix_primary_header(rd) ||
rdlist_close(rd)) {
ERROR("Failed to close output file %s", rdfn);
exit(-1);
}
il_free(colnums);
} else {
// Header
printf("# RA, Dec");
if (getinds)
printf(", index");
for (i=0; i<sl_size(tag); i++)
printf(", %s", sl_get(tag, i));
printf("\n");
for (i=0; i<sl_size(tag); i++) {
const char* col = sl_get(tag, i);
char* units;
tfits_type type;
int arraysize;
void* data;
int itemsize;
if (fitstable_find_fits_column(tagalong, col, &units, &type, &arraysize)) {
ERROR("Failed to find column \"%s\" in index", col);
exit(-1);
}
itemsize = fits_get_atom_size(type) * arraysize;
data = fitstable_read_column_array_inds(tagalong, col, type, inds, N, NULL);
if (!data) {
ERROR("Failed to read data for column \"%s\" in index", col);
exit(-1);
}
il_append(tagsizes, itemsize);
pl_append(tagdata, data);
}
for (i=0; i<N; i++) {
//int j;
printf("%g, %g", radec[i*2+0], radec[i*2+1]);
if (getinds)
printf(", %i", inds[i]);
//// FIXME -- print tag-along data of generic type.
/*
for (j=0; j<pl_size(tagdata); j++) {
double* data = pl_get(tagdata, j);
printf(", %g", data[i]);
}
*/
printf("\n");
}
}
done:
free(radec);
free(inds);
for (i=0; i<pl_size(tagdata); i++)
free(pl_get(tagdata, i));
pl_free(tagdata);
il_free(tagsizes);
return 0;
}