Senin, 24 Oktober 2011
- Cobalt features several modes for making animation, notably “Static” (where the sun and shadows move in a stationary scene), “Walk-through,” and “Fly-by”. Cobalt is also capable of six different levels of photorealistic rendering, from “Raytrace Preview Render [Shadows Off]” through “Auto Full Render [Shadows On, Antialias]”. Choosing less realistic modes for trial animations allows very quick rendering—even those with several hundred frames—because Cobalt fully exploits multi-core microprocessors during rendering.
- The click-to-play animation (upper right) shows two industrial pushbutton switches surrounded by a virtual “photo studio” in a Cobalt model. The mirrored hemisphere enables the reader to see the back wall, floor, and ceiling lights, which all contribute to the nature of the light reflecting off the switches. Face-on images of these switches were used in the development of a touchscreen-basedhuman–machine interface (HMI) for use in industrial manufacturing settings.
- To create fly-by animations, Cobalt prompts the designer to specify an path (a line or curve) for the “camera eye” to follow as well as a point at which the camera should point, and then renders the animation. A designer can specify such attributes as the angle for the camera’s field of view and can turn on settings such as perspective, which gives rendered images a vanishing point.
- Whether the designer is rendering a single image or a multi-frame animation, Cobalt offers broad control of lighting, including the ability to illuminate images with sunlight wherein the date, time of day, latitude, and longitude are all user-adjustable to obtain accurate shadows.
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