Graphics Programs Reference
In-Depth Information
If we now go ahead and render, we should see a very small amount of ambient light-
ing in the scene that could be used as a starting point from which to build an interior
lighting setup. I say
could
because for me, this particular approach, while working of
a fashion, is a little bit limited in that it really gives us only a single level of control
with which to work, that being the level or amount of illumination that gets added to
the scene by means of the GI (skylight) control.. Ideally, I would like to have at least
a little control over the coloration that gets added into the environment as well.
Note
It is true that we could use the
Ozone
,
Turbidity
, and
Water Vapor
parameters
in the GI (skylight) TexSky controls to get a little bit of color variation going on
here, but from a control perspective these options are neither very intuitive to
work with, nor do they offer a great deal of control when it comes to doing any
kind of real color correction work.
The GI skylight
What then about trying just the GI (skylight) option on its own, taking the V-Ray Sky
map out of the equation? That would at least give us the ability to make use of the
Color
swatch control, just as we did in our earlier daylight setup.
Well, let's try that approach and see what we can come up with. To do so, we need
to perform the following steps:
1. Click on the
GI (skylight) map
button to open up the V-Ray
texture editor
.
2. In the map dropdown, just below the
Preview
button, choose the
None
op-
tion that can be found at the top of the list.
3. Click on
OK
to exit the
texture editor
.
4. Repeat the process for the
Reflection/refraction (background)
controls,
also setting the
map
option to
None
.
5. Again, click on
OK
to exit the
texture editor
.
6. Next, we need to click on the
Color swatch
control for the GI (skylight) and
set the color as follows:
Hue
as
240
,
S
as
146
,
V
as
14
.
7. Finally, click on
OK
to exit the
Select Color
dialog.
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