On Wed, 24 Oct 2001 05:36:16 GMT, Ze!nPs### [at] yahoocom wrote:
> On 20 Oct 2001 00:57:30 -0400, ron### [at] povrayorg (Ron Parker)
> wrote:
> 
>>Well, it may be too early to call it the final word, but I think it's the
>>final word.  It gives all of the flexibility of the mythical 3.5 patch, with
>>mostly the same speed, and without making any changes to the code.  I
> 
> I don't know much about the 3.5 patch, but, what if I want to apply a
> surface normal on top of reflection blur?

Either add it to the average or use a layered texture.

-- 
#macro R(P)z+_(P)_(P)_(P+1)_(P+1)+z#end#macro Q(C)bicubic_patch{type 1u_steps 6
v_steps 6R(1)R(3)R(5)R(7)translate 9*z-2pigment{rgb z}}#end#macro _(Y)#local X=
asc(substr(C,Y,1))-65;<mod(X,4)div(X,4)>#end#local O=union{Q("ABEFUQWS")Q(// RON
"WSXTLOJN")}Q("JNKLCGCD")union{O}union{O translate 3*x}light_source{x 1}//PARKER

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