Mark Wagner <mar### [at] gtenet> wrote in 
news:pan### [at] gtenet

>>>Hi,
>>>when data for photons and/or media can NOT be safle loaded ? I ques that
>>>camera moving/rotation is alwys safe, and any other changes is scene
>>>(objects or lights) is not safe - is this correct ?
>>Moving the camera is always safe.  Moving lights that do not cast photons

This is NOT true for radiosity - camera can NOT see any surfaces that where 
hidden during saving radiosity. For this surfaces there is no radiosity 
data. Or - yes, the data can be loaded, but more radiosity data must be 
gathered (due to presense of new surfaces)


-- 
#macro g(U,V)(.4*abs(sin(9*sqrt(pow(x-U,2)+pow(y-V,2))))*pow(1-min(1,(sqrt(
pow(x-U,2)+pow(y-V,2))*.3)),2)+.9)#end#macro p(c)#if(c>1)#local l=mod(c,100
);g(2*div(l,10)-8,2*mod(l,10)-8)*p(div(c,100))#else 1#end#end light_source{
y 2}sphere{z*20 9pigment{function{p(26252423)*p(36455644)*p(66656463)}}}//M

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