parametric curves

parametric curves

[¦par·ə¦me·trik ′kərvz]
(mathematics)
On a surface determined by equations x = ƒ(u,v), y = g (u,v), and z = h (u,v), these are families of curves obtained by setting the parameters u and v equal to various constants.
References in periodicals archive ?
The volume covers such topics as vertex processing, rasterization, illumination and shaders, parametric curves and surfaces, image texturing, bump mapping and character animation.
The surface is generated by a grid of parametric curves.
Improved user-interface, on-line help, and tutorials * More powerful geometric modeling with parametric curves and free-form Nurbs * Increased Boolean support for lines, surfaces, and solids * Enhanced geometry import capability for commercial CAD formats; including ACIS 5.
These programs, track the work-in-process status of a manual manufacturing system, replace paper batch sheets with a computer terminal, display parametric curves for a process or perform statistical analysis of collected data.
The topics are Euclidean space and vectors, parametric curves and vector fields, differentiation of real-valued functions, critical points and optimizations, integration, integration on curves, and integration on surfaces.
The timing of VX's adoption of the 3D DCM is therefore particularly appropriate, with many current developments at D-Cubed being focused on support for parametric curves and surfaces, including NURBs.
Additional Driver Constraints -- Screw joint (rotational or translational) -- Using parametric curves defined in CATIA, the following joint