CAD : CAD stands fro Computer Added Design basically its considered as computer based models of objects for visualization or testing as an aid in the design process. In reality CAD is combination of most sophisticated and precise real-world measuring tools which are more functional then other 3D PACKAGES? but they don’t have surfacing and animation feature .
Camera : 3D space virtual viewpoint which can posses both direction and position. If we talk in 3D term logy camera is nothing but it represent viewers eye. While scene is rendered at final quality then its can better estimated by camera not by any software. Making the artist to view th objects at various angel to decide which one is better for scene.
Camera Mapping: Camera matching is a technique by which geometry matching the size and perspective of objects shown within a still image is constructed and original image mapped back onto those objects those objects. But it permit only limited movement and only giving an illusion
Camera Move: Movement of virtual camera within 3D software packages which just similar to real world in cinematography. Some possible moves are dollying in which camera move towards and away from any objects with a fixed angles. Panning in which camera position remains fixed, but the camera tilts or swivels in any direction to follow the action; and tracking, in which the camera moves in a single plane at right angles to the area of interest.
Camera Path: This can be described as camera virtual path which any camera takes during making the animation process.
Camera Tracking: Which is also known as match moving which is process of ‘extracting ‘ the motion of the camera in space from a piece of live-action footage. Such motion can be imported into 3D software packages and used to animate virtual camera for best match the rendered output to that of the source footage during the composition process .
Caustics : Patches of intense illumination caused by the refraction of light through a ransparent object or the reflection of light from a reflective surface. One common example would be the shifting patterns of light and shade cast on the floor of a swimming pool on a sunny day. Rendering software has only recently become sophisticated enough to mimic such complex real-world lighting effects as caustics.
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