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Revision 1.34 by greg, Thu Nov 16 21:57:39 2023 UTC vs.
Revision 1.37 by greg, Tue Dec 12 20:25:22 2023 UTC

# Line 1482 | Line 1482 | or:
1482   </pre>
1483  
1484   <p>
1485 <        The first two real arguments indicate the limits of the covered
1485 >        The first two real arguments indicate the extrema of the
1486          spectral range in nanometers.
1487 <        Subsequent real values correspond to multipliers in each wavelength band,
1488 <        where the first band goes from nmA to nmA+(nmB-nmA)/N, and N is the
1489 <        number of bands (i.e., the number of real arguments minus 2).
1487 >        Subsequent real values correspond to multipliers at each wavelength.
1488          The nmA wavelength may be greater or less than nmB,
1489          but they may not be equal, and their ordering matches
1490          the order of the spectral values.
# Line 1542 | Line 1540 | or:
1540  
1541   <pre>
1542          mod specfunc id
1543 <        2+ sval funcfile transform
1543 >        2+ sfunc funcfile transform
1544          0
1545          2+ nmA nmB A3 ..
1546   </pre>
# Line 1550 | Line 1548 | or:
1548   <p>
1549          Like the spectrum primitive, the wavelength range is specified
1550          in the first two real arguments, and additional real values are
1551 <        accessible to the sval function.
1551 >        set in the evaluation context.
1552          This function is fed a wavelenth sample
1553          between nmA and nmB as its only argument,
1554          and it returns the corresponding spectral intensity.

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