2013

Table Of Contents
constraint point
Point on an object that can be geometrically and/or dimensionally constrained
(for example, an endpoint or an insertion point).
constraints
Form of parametric design.
Rules that govern the position, slope, tangency, dimensions, and relationships
among objects in a geometry.
construction plane
See work plane.
continued dimension
A type of linear dimension that uses the second extension line origin of a
selected dimension as its first extension line origin, breaking one long
dimension into shorter segments that add up to the total measurement. Also
called chain dimension. (DIMCONTINUE)
continuity
A measure of how smoothly two curves or surfaces flow into each other where
they are joined. Continuity is measured as G0-Position, G1-Tangency, and
G2-Curvature.
G0 (Position) - The curves or surfaces join in the same location (position
only); they touch. But the tangency and curvature do not match.
G1 (Tangent) - The position and tangency between the surfaces match.
This indicates G1 (position + tangency) continuity between the surfaces.
G2 (Curvature) - The position, tangency, and curvature between the
surfaces match. This indicates G2 (position + tangency + curvature)
continuity between the two surfaces.
control frame
A series of point locations used as a mechanism to control the shape of a
B-spline. These points are connected by a series of line segments for visual
clarity and to distinguish the control frame from fit points. The CVSHOW
and CVHIDE commands must be turned on to display and hide control frames.
control point
See control frame.
760 | Glossary