Is there a way to produce a parallel light source ?

The reason for this is that I want to depth-cue my
object using the fade_distance & fade_power keywords.
But also, I would like the maximum attenuation to be
of a fixed value (say 0.2) for the most distant object
(which may vary in size). I can easily calculate the
appropriate light position & fade_distance values for
an scene of a given size - however as the basic point
light source get close to the object I get unwanted
lighting effects, due to the close proximity.

In short, I would like my light, close to the object, 
to still behave as a distant light 

any ideas please - Thanks
____________________________________________
Suhail A Islam
Biomolecular Modelling Laboratory
Imperial Cancer Research Fund, P.O. Box 123
44 Lincoln's Inn Fields, London WC2A 3PX
Tel: (0171) 269 3380 
Fax: (0171) 269 3258
email: isl### [at] icrficnetuk
http://www.icnet.uk/bmm/
____________________________________________

Post a reply to this message

islam <isl### [at] icrficnetuk> wrote:
: Is there a way to produce a parallel light source ?

  No.

: The reason for this is that I want to depth-cue my
: object using the fade_distance & fade_power keywords.

  You may want to try a gradient pigment instead.

-- 
                                                           - Warp. -

Post a reply to this message