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CAD

Computer aided design software.

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CAD

Parent object

Software; CAD

An object or other item that controls the attributes of one or more child objects. A parent can also be the child of another parent.

A scene file that reads or references other files that make up a scene from where they reside on disc (or on a network). Any file referenced by a parent scene is said to be “lower in the hierarchy”, ...

Pin constraint

Software; CAD

In dynamics, a constraint that links two rigid bodies at a specified position. It works as if the two objects were connected by a metal pin with a ball joint between its ends. You can pin together ...

Pivot point

Software; CAD

A specific position in 3D space used as a reference for the transformations of objects, particularly for rotations. Every object (and group of objects) has a pivot point that can be moved relative to ...

Pixel

Software; CAD

The smallest controllable segment of a display. Also known as picture element.

Planar polygon

Software; CAD

In modeling, a polygon with vertices all lying in the same plane. For example, a tri-polygon is always planar because you cannot bend or twist a polygon with only three vertices describing it.

Plateau tangent

Software; CAD

In animation, a type of tangent that forces animation curves to respect the positions of keyframes so that maximum and minimum values (hills and valleys) do not extend past the keyframes. Plateau ...