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| author | Joe Hunkeler <jhunkeler@gmail.com> | 2015-08-11 16:51:37 -0400 |
|---|---|---|
| committer | Joe Hunkeler <jhunkeler@gmail.com> | 2015-08-11 16:51:37 -0400 |
| commit | 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 (patch) | |
| tree | 4464880c571602d54f6ae114729bf62a89518057 /noao/rv/rvidlines/idpeak.x | |
| download | iraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz | |
Repatch (from linux) of OSX IRAF
Diffstat (limited to 'noao/rv/rvidlines/idpeak.x')
| -rw-r--r-- | noao/rv/rvidlines/idpeak.x | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/noao/rv/rvidlines/idpeak.x b/noao/rv/rvidlines/idpeak.x new file mode 100644 index 00000000..9cba49c4 --- /dev/null +++ b/noao/rv/rvidlines/idpeak.x @@ -0,0 +1,23 @@ +include "identify.h" + +# ID_PEAK -- Find the peak value above continuum. + +double procedure id_peak (id, pix) + +pointer id # ID pointer +double pix # Pixel position +double peak # Peak value + +int c, l, u + +begin + if (IS_INDEFD(pix)) + return (INDEFD) + + c = nint (pix) + l = max (1, nint (pix - ID_FWIDTH(id))) + u = min (ID_NPTS(id), nint (pix + ID_FWIDTH(id))) + peak = IMDATA(id,c) - (IMDATA(id,l) + IMDATA(id,u)) / 2. + + return (peak) +end |