bob h schrieb in Nachricht <3c4676a3@news.povray.org>...
>
>/* transparency plus fresnel reflection and exponent causes unexpected
>colors */
>
>camera {perspective location <0,0,-4> angle 45 look_at 0}
>light_source {-10*z, color rgb 1}
>
>text {
>        ttf "timrom.ttf" "FILTER 1+",1,0
>        pigment {
>                rgbft
>                <1,1,1,1.01,0> // filter greater than 1
>                }
>        finish {
>                reflection {
>                        0.01,1  // min needs to be greater than zero
>                         fresnel
>                         exponent 0.50001  // lower to 0.5 and effect
>disappears
>                        }
>                }
> translate <-2,0,0>
>}
>


I can partially confirm this. I get a red text with your code instead of an
transparent one. Lowering exponent to 0.40001 didn't change that. Lowering
filter to 1 or removing the finish-statement made the the text transparent.

Marc-Hendrik

PII450, 128 MB, Win 98, Pov 3.5 beta 10

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