Graphics Programs Reference
In-Depth Information
The lighting process
Having defined the kind of mood we want to create inside our space, our next set of
considerations would need to be based around the tools available to us in our render
engine of choice. They should be focused on figuring out how the tools can be used
to bring our definition to life. In other words, what kind of approaches can we and will
we take given the tools that we have available?
Contrasting artistic and realistic indoor lighting
We could decide to take a more artistic rather than realistic approach to the lighting;
maybe you have in your mind the creation of a render that has a bit of a suspenseful
atmosphere about it—something along the lines of a film noir feel perhaps.
While such a lighting scheme would still need to be based at least somewhat in
reality, the contrast between light and shadowed areas would need to be artificially
enhanced, generally creating very bright pools of light that are starkly contrasted with
darker-than-usual shadowed areas.
Such artistic approaches are certainly possible using the lighting tools that V-Ray
provides. For this reason, we may want to spend time in our reference gathering
phase looking not just at still-image photography of real world interior lighting, but also
at cinematic and possibly stage lighting setups as well.
Of course in our case, the brief for the project, which is to create a series of photo-
graphic renders, instantly tells us that we need to be focused here on a more realistic
rather than artistic approach to our lighting.
Do we have a key light?
One important consideration with regard to the design of an interior lighting scheme
would be the decision as to whether or not there should be a key light in the scene.
Remember, the key light would be the main source of illumination and shadow casting
in the scene—the one that tends to provide a measure of directionality and, indeed,
motivation for the illumination in the environment.
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