"Alain" <ele### [at] netscapenet> wrote in message
news:4a25ce2a$1@news.povray.org...
> Yes.
> The documentation does say that method 3 is the default... in the text.
> The stated defaults are still those of older versions when method 1 was
the only
> sampling available.
>
> Also, you need to read trough the text to find that the second samples
parameter
> is not used with method 3, but the stated default values shown tend to
imply
> that it is used.
>
> In the tutorial, 2.3.6.6  A more advanced example of scattering media
> The first tome that samples apears, it is: samples 30,100.
> It should be: samples 30
>
> In: 3.6.2  Media
> We have this:
> Media default values:
>
> aa_level     : 4
> aa_threshold : 0.1
> absorption   : <0,0,0>
> confidence   : 0.9
> emission     : <0,0,0>
> intervals    : 10
> method       : 3
> ratio        : 0.9
> samples      : Min 1, Max 1
> variance     : 1/128
> SCATTERING
>    COLOR        : <0,0,0>
>    eccentricity : 0.0
>    extinction   : 1.0
>
> While the actual defaults are:
> intervals : 1
> samples : 3 (NO min nor max, only a single value)
> The other defaults seems to be correct and are concistent with the body of
the text.
>
> In section: 3.6.2.2  Sampling Parameters & Methods
> It could be good to reorder the various methods to make method 3 the first
one
> covered and mention that method 1 is a "legacy" method.

Merci Alain .... Good stuff I will follow up! Jim

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