2011

Rules that govern the position, slope, tangency, dimensions, and relationships among objects
in a geometry.
construction plane See workplane.
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)
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.
Coons patch In 3D surface meshes, the bicubic surface (one curved in the M direction and
another in the N direction) interpolated between four edges.
coordinate filters Functions that extract individual X, Y, and Z coordinate values from
different points to create a new, composite point. Also called X,Y,Z point filters.
crease A sharpened ridge that defines one or more edges of a mesh face subobject.
(MESHCREASE)
cross sections Generally, curves or lines that define the profile (shape) of a lofted solid or
surface. Cross sections can be open or closed. A lofted solid or surface is drawn in the space
between the cross sections. (LOFT)
crosshairs A type of cursor consisting of two lines that intersect.
crossing selection A rectangular area drawn to select objects fully or partly within its borders.
CTB file SA color-dependent plot style table.
ctrl-cycle Method for cycling between different behaviors while editing geometry, either
in a command or when grip-editing. Pressing and releasing the Ctrl key cycles the behavior.
For constrained geometry, Ctrl-cycling switches between enforcing and relaxing constraints.
current drawing A drawing file that is open in the program, and receives any command
or action that you enter.
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