2013

initial environment
The variables and settings for new drawings as defined by the default drawing
template, such as acad.dwt or acadiso.dwt. See also template drawing.
interface element
A user interface object that can be customized, such as a pull-down menu or
tool set.
interpolation points
Defining points that a B-spline passes through. See also approximation points
and fit points.
island
An enclosed area within another enclosed area. Islands may be detected as
part of the process of creating hatches, polylines, and regions. (BHATCH,
BOUNDARY)
ISO
For International Standards Organization. The organization that sets international
standards in all fields except electrical and electronics. Headquarters are in
Geneva, Switzerland.
isoline
Gridlines that appear on regular and NURBS surfaces. They show the shape
of the surface.
isometric snap style
A drafting option that aligns the cursor with two of three isometric axes and
displays grid, making 2D isometric drawings easier to create.
isoparm
Lines of constant U or V values that run along a NURBS surface. They show
the shape of the surface as defined by the control vertices.
key point
In a dynamic block definition, the point on a parameter that drives its
associated action when edited in the block reference.
knot
The knot parameterization setting affects the shape of a fit point spline. The
different settings affect the shape of the curve as it passes through the fit
points.
Glossary | 773