I almost tried to give an answer then decided I had better check before doing
so.  From what I remembered of trying out these two ways of using media before I
was going to say additive and multiplicative.  After trying a few test renders I
didn't find that to be the case, or I just wasn't doing something right.
Seems that the other 'interior' contents get overwritten much the same as any
other statement block works, ie. pigment {}, normal {}, finish {}.
Now that I've read the Doc on interior, I could only find mention of two (or
more) media within one interior and it said that would be considered "additive".
Ah, wait.  I neglected to include scattering.  Now there's a big difference,
otherwise the two ways appear identical without it.

Bob

"Tom Melly" <tom### [at] tomandluf9couk> wrote in message
news:38c9aa79@news.povray.org...
| Does anyone know what the difference is, if any, between the following two
| syntax? They both seem to produce the same effect when used with just media,
| but I wondered whether they would have an impact on other interior items?
|
| interior{media{MediaX} media{MediaY}}
|
| or ....
|
| interior{media{MediaX}}
| interior{media{MediaY}}
|
| --
| Tom Melly
| tom### [at] tomandluforce9couk
| http://www.tomandlu.force9.co.uk
|
|
|

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