Graphics Programs Reference
In-Depth Information
Using V-Ray's physical camera model
Another default aspect of the V-Ray setup in SketchUp is that it makes use of a
physical camera model for rendering. This means that real-world parameters such
as shutter speed, F numbers (or F stops), and ISO (or film speed) values are used
to control various aspects of the render, such as exposure, motion blur, and depth of
field.
Basically, if we understand how to control these elements on a real-world camera,
be it film or digital, then we already have a big head start when it comes to rendering
using the V-Ray physical camera model. To access the physical camera controls, we
need to revisit the V-Ray toolbar and click on the option editor button once more.
Then, if we open the Camera rollout, you can see in the following screenshot that
we now have access to a wealth of camera controls and parameters. As we have
already noted that our render is quite a bit darker than desired, the controls we are
interested in would be those capable of affecting the exposure levels, which would
be as follows:
• Shutter Speed
• F Number
• Film Speed (ISO)
Search WWH ::




Custom Search