1. Problem understanding light sources
I have a fairly simple scene with object located around the origin.
The CAMERA statement is as follows:
camera
{
location <0, 0, -9>
right 1 * x
up 1 * y
look_at <0, 0, 0>
blur_samples 7
confidence 0.5 // default is 0.9
variance 1/64 // default is 1/128 (0.0078125)
#warning "\nFast focal blur used...\n"
and the LIGHT SOURCES as follows:
light_source { <50, 50, -100> color red 0.7 green 0.7 blue 0.7 }
light_source { <0, 3, -10000> color red 0.7 green 0.7 blue 0.7 }
My problem is the fact that I have an object in front of another
object (a pencil in front of a stack of childrens ABC blocks to
be exact) and there is a strong shadow of the pencil cast on the
blocks from the second light source (far away means very parallel
rays of light arrive at my objects). If I remove the second light
source then the scene is very, very dark. I can even increase the
intensity of the first light source and the scene remains very,
very dark.
Why does a light source on the moon cast such a strong light (much
stronger than the nearer light source that is up and to the right?
Must I use an area light to get realistic shadows, or what is the
problem?
--
Best regards,
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Robert H. Morrison Tel: +49 721 9628 167
Software Development, Basis Team FAX: +49 721 9628 261
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