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-rw-r--r--noao/onedspec/ecidentify/ecline.x22
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+include <smw.h>
+include "ecidentify.h"
+
+# EC_LINE -- Get line corresponding to aperture.
+
+int procedure ec_line (ec, ap)
+
+pointer ec # EC pointer
+int ap # Aperture
+
+int i
+
+begin
+ if (IS_INDEFI (ap))
+ return (INDEFI)
+
+ do i = 1, EC_NLINES(ec)
+ if (ap == APS(ec,i))
+ return (i)
+
+ call error (0, "Image line for aperture number not found")
+end