In article <39a544cb$1@news.povray.org>, "Tom Melly" 
<tom### [at] tomandlucouk> wrote:

> What is density_function ? I can't find any reference in the docs.

It *is* documented: Section 8.3.1 "Blob pattern & pigment" of the 
MegaPOV 0.5 docs. It specifies the falloff function to use for the blob 
pattern components.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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