Changeset 20286
- Timestamp:
- Oct 21, 2008, 8:09:14 AM (18 years ago)
- Location:
- trunk
- Files:
-
- 3 edited
-
Ohana/src/gastro2/src/grid.c (modified) (2 diffs)
-
psphot/src/psphotSignificanceImage.c (modified) (1 diff)
-
pswarp/src/pswarp.c (modified) (1 diff)
Legend:
- Unmodified
- Added
- Removed
-
trunk/Ohana/src/gastro2/src/grid.c
r16040 r20286 68 68 if (N[i] < Nmin) continue; 69 69 70 /* s is the variance, f is vari ence overweighted by number */70 /* s is the variance, f is variance overweighted by number */ 71 71 s = fabs ((D2[i]/N[i]) - SQ(DX[i]/N[i]) - SQ(DY[i]/N[i])); 72 72 f = s / SQ(SQ(N[i])); … … 181 181 if (N[i] < Nmin) continue; 182 182 183 /* s is the variance, f is vari ence overweighted by number */183 /* s is the variance, f is variance overweighted by number */ 184 184 s = fabs ((D2[i]/N[i]) - SQ(DX[i]/N[i]) - SQ(DY[i]/N[i])); 185 185 f = s / SQ(SQ(N[i])); -
trunk/psphot/src/psphotSignificanceImage.c
r20213 r20286 85 85 86 86 // in fact, because of the smoothing and the resulting correlated errors, the per-pixel 87 // vari ence is a bit smaller than the value predicted here. The total variance should be87 // variance is a bit smaller than the value predicted here. The total variance should be 88 88 // \alpha 4\pi(\sigma_r_^2 + \sigma_s^2) where \alpha approaches 1 for \sigma_s / \sigma_r 89 89 // << 1, and \alpha approaches 0.5 for \sigma_s / \sigma_r >> 1, with a value of 0.7 -
trunk/pswarp/src/pswarp.c
r18924 r20286 6 6 fprintf(stderr, " [-astrom astrom.cmp] : provide an alternative astrometry calibration\n"); 7 7 fprintf(stderr, " [-mask mask.fits] : provide a corresponding mask image\n"); 8 fprintf(stderr, " [-weight weight.fits] : provide a corresponding weight image (pixel vari ence)\n");8 fprintf(stderr, " [-weight weight.fits] : provide a corresponding weight image (pixel variance)\n"); 9 9 psErrorStackPrint(stderr, "\n"); 10 10 exit (2);
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