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Comparing ray/doc/notes/ReleaseNotes (file contents):
Revision 1.122 by greg, Wed May 10 15:34:16 2006 UTC vs.
Revision 1.138 by greg, Tue Sep 18 19:51:07 2007 UTC

# Line 1581 | Line 1581 | Added tmCvLums() to tone-mapping routines using a 16-b
1581   on IEEE floats, which is also used to improve speed of COLOR conversions,
1582   especially on machines with slow log() calls.  The first call to
1583   tmCvLums(), tmCvGrays(), or tmCvColors() initializes the table.
1584 +
1585 + Created optics2rad.csh script to convert from Optics 5 material output
1586 + to something correct for Radiance.  Built on old glazing.cal function,
1587 + which is actually incorrect so removed from the distribution.
1588 +
1589 + Fixed nuisance bug in ximage under some SGI machines that caused it to
1590 + choose an inappropriate visual and display incorrect colors.  (Thanks
1591 + to Oskar Itzinger for debugging the problem.)
1592 +
1593 + Fixed long-standing inaccuracy of pcompos -t and +t thresholding options.
1594 +
1595 + Fixed bug in handling of views with tabs rather than spaces.
1596 +
1597 + Fixed bug related to alias of alias.
1598 +
1599 + ****** COMPATIBILITY CHANGE ********
1600 + Changed default sky turbidity in gensky from the original default of
1601 + 2.75 to the CIE 110-1994 standard value of 2.45.  Thanks to Marilyne
1602 + Anderson of MIT for pointing out this discrepancy.
1603 +
1604 + Added -o option to ra_xyze to produce original pixel values.
1605 +
1606 + Fixed bug in tracing of virtual sources, where intervening glazing was
1607 + not being accounted for properly.
1608 +
1609 + Added -h option to pcompos and pcomb to eliminate verbose headers.
1610 +
1611 + =====================
1612 + Version 3.9
1613 +
1614 + Added -spec option to falsecolor to restore original spectral color scale.
1615 + Also added "-s auto" option to automatically set the maximum value.
1616 +
1617 + Added byte-swapping input and output to rcalc.
1618 +
1619 + Additional error-checking for source surfaces.
1620 +
1621 + Re-fixed bug in octree code that caused it to allocate 8 times as
1622 + much memory as it actually used(!) -- this was pointed out way back
1623 + in 1999 by Erik Reinhard and Erik Jansen, but the fix they gave me
1624 + got lost in the slightly borken release process at the time.  This
1625 + should make a big difference in memory usage, especially for the
1626 + new mesh primitive.  (I measured 30% less memory usage.)
1627 +
1628 + Corrected ray weights for material mixtures.
1629 +
1630 + Reduced the default -n setting for obj2mesh to take better advantage
1631 + of the smaller octree structure size.
1632 +
1633 + Fixed bug in shadow cache where it was adding surfaces with antimatter
1634 + holes cut in them to the obstructor list.  Thanks to John Mardaljevic
1635 + for discovering and reporting the problem.
1636 +
1637 + Adding ability in mkillum to incorporate BSDF data in calculation.
1638 + Internal interface (raypcalls) now used in place of rtrace process(es).

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