6 char rad28[] = "0123456789abcdefghijklmnopqr";
9 image(Angle ra, Angle dec, Angle wid, Angle hig)
13 int i, j, sx, sy, x, y;
17 int lowx, lowy, higx, higy;
18 int slowx, slowy, shigx, shigy;
25 if(gam.max == gam.min) {
29 gam.absgamma = gam.gamma;
31 if(gam.absgamma < 0) {
32 gam.absgamma = -gam.absgamma;
35 gam.mult1 = 1. / (gam.max - gam.min);
36 gam.mult2 = 255. * gam.mult1;
43 for(i=0; i<nplate; i++) {
45 d = dist(ra, dec, pp->ra, pp->dec);
46 if(bp == 0 || d < bd) {
53 Bprint(&bout, "best plate: %s %s disk %d %s\n",
54 hms(bp->ra), dms(bp->dec),
57 h = getheader(bp->rgn);
58 xypos(h, ra, dec, 0, 0);
59 if(wid <= 0 || hig <= 0) {
62 lowx = (lowx/500) * 500;
63 lowy = (lowy/500) * 500;
67 lowx = h->x - wid*ARCSECONDS_PER_RADIAN*1000 /
68 (h->param[Pxpixelsz]*h->param[Ppltscale]*2);
69 lowy = h->y - hig*ARCSECONDS_PER_RADIAN*1000 /
70 (h->param[Pypixelsz]*h->param[Ppltscale]*2);
71 higx = h->x + wid*ARCSECONDS_PER_RADIAN*1000 /
72 (h->param[Pxpixelsz]*h->param[Ppltscale]*2);
73 higy = h->y + hig*ARCSECONDS_PER_RADIAN*1000 /
74 (h->param[Pypixelsz]*h->param[Ppltscale]*2);
78 if(lowx < 0) lowx = 0;
79 if(higx < 0) higx = 0;
80 if(lowy < 0) lowy = 0;
81 if(higy < 0) higy = 0;
82 if(lowx > 14000) lowx = 14000;
83 if(higx > 14000) higx = 14000;
84 if(lowy > 14000) lowy = 14000;
85 if(higy > 14000) higy = 14000;
88 Bprint(&bout, "xy on plate: %d,%d %d,%d\n",
89 lowx,lowy, higx, higy);
91 if(lowx >= higx || lowy >=higy) {
92 Bprint(&bout, "no image found\n");
96 b = malloc((higx-lowx)*(higy-lowy)*sizeof(*b));
99 fprint(2, "malloc error\n");
102 memset(b, 0, (higx-lowx)*(higy-lowy)*sizeof(*b));
105 shigx = (higx-1)/500;
107 shigy = (higy-1)/500;
109 for(sx=slowx; sx<=shigx; sx++)
110 for(sy=slowy; sy<=shigy; sy++) {
111 if(sx < 0 || sx >= nelem(rad28) || sy < 0 || sy >= nelem(rad28)) {
112 fprint(2, "bad subplate %d %d\n", sy, sx);
116 sprint(file, "%s/%s/%s.%c%c",
124 fprint(2, "can't read %s: %r\n", file);
131 for(j=0; j<ip->ny; j++) {
132 if(y+j < lowy || y+j >= higy)
134 p = &ip->a[j*ip->ny];
135 up = b + (higy - (y+j+1))*(higx-lowx) + (x - lowx);
136 for(i=0; i<ip->nx; i++) {
137 if(x+i >= lowx && x+i < higx)
146 pic = malloc(sizeof(Picture));
156 strcpy(pic->name, bp->rgn);