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root/radiance/ray/doc/notes/rpict.options
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Comparing ray/doc/notes/rpict.options (file contents):
Revision 1.1 by greg, Sat Mar 15 17:32:55 2003 UTC vs.
Revision 1.4 by greg, Sat Dec 6 01:08:52 2008 UTC

# Line 12 | Line 12 | Param   Description             Min     Fast    Accur
12   -pt     sampling threshold      1       .15     .05     0
13   -pj     anti-aliasing jitter    0       .6      .9      1       A
14   -pm     pixel motion            0       0       1       1       B
15 < -dj     source jitter           0       0       .7      1       B
16 < -ds     source substructuring   0       .5      .15     .02
15 > -dj     source jitter           0       0       .9      1       B
16 > -ds     source substructuring   0       .5      .15     .05
17   -dt     direct thresholding     1       .5      .05     0       C
18   -dc     direct certainty        0       .25     .5      1
19   -dr     direct relays           0       1       3       6
# Line 22 | Line 22 | Param   Description             Min     Fast    Accur
22   -st     specular threshold      1       .85     .15     0       C
23   -aw     ambient weight          0       100     10      inf     A
24   -ab     ambient bounces         0       0       2       8
25 < -aa     ambient accuracy        .5      .2      .15     0       C
26 < -ar     ambient resolution      8       32      128     0       C
27 < -ad     ambient divisions       0       32      512     4096
28 < -as     ambient super-samples   0       32      256     1024
25 > -aa     ambient accuracy        .5      .2      .1      0       C
26 > -ar     ambient resolution      8       32      256     0       C
27 > -ad     ambient divisions       0       128     1024    8192
28 > -as     ambient super-samples   0       32      512     2048
29   -ms     mist sampling dist.     0       10      1       .01
30 < -lr     limit reflection        0       4       8       16
30 > -lr     limit reflection        0       6       8       16
31   -lw     limit weight            .05     .01     .002    0       C
32  
33   NOTES:
# Line 45 | Line 45 | Param   Artifact                               Solution
45   -pt     some soft edges are very jagged         decrease value by 50%
46   -pj     diagonal edges are like staircases      increase value to 0.9
47   -pj     edges look too erratic                  decrease value to 0.4
48 < -dj     shadows are unnaturally sharp           increase value to 0.7
48 > -dj     shadows are unnaturally sharp           increase value to 0.9
49   -ds     large sources cast unnatural shadows    decrease value by 50%
50   -dt     some shadows disappear                  decrease value by 50%
51   -dc     inaccurate values with many sources     increase value to .75

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