Engineering Graphics Exam 1 Terms

Absolute Coordinates

The exact location of a specific point in terms of X, Y, and Z from the fixed point of origin

Annotative Text

Text scaled by AutoCAD according to the specified annotation scale.

Array

Command used to create multiple copies of objects in a pattern.

Azimuth

Angle measured clockwise from north EX. 146° 18'

Bearing

Angle measured from north or south EX. S33° 42'E

Block

Compound object made up of one or more entities combined into a single object

Chamfer

A small angled surface formed between two surfaces.

Construction Line

Temporary lines that can be used as references

Coordinate Filters/ Point Filters

Displays specific coordinates/points in your drawing

Dynamic Input

Allows you to input and modify commands directly on the screen as you draw

Explode

Command used to break down complex objects into individual components

Extrusion

Created a 3D shape by extending the 2D shape along a path

Fillet

A rounded interior blend between two surfaces

Hatch

Filling enclosed area with a pattern or solid color

Layer

Transparent sheet that you can place objects on

Leader

Tool used to annotate objects. Consist of a line with an arrow

Line Weight

The thickness of a line, characterized as thick or thin.

Line Type

Type of line EX. Dotted, dashed or solid

Mirror

Command used to make a mirrored copy of an object

Model Space

Main drawing area

Origin

A fixed point from which coordinates are measured.

Ortho Mode

Forces every line you draw to be either vertical or horizontal

Object Snap Mode

Allows you to specify the precise location of the center of a selected circle, or the intersection of two curves.

Pan

Allows you to move the view of the drawing

Paper Space

Drawing space in which drawings are laid out on drawing sheets for printing.

Polar Array

command that allows you to create multiple copies of an object arranged in a circular pattern

Polar Tracking

A drawing aid that causes the drawing crosshairs to "snap" to predefined angle increments.

Polyline

connected sequence of line segments or arcs that form a single object

Presspull

Modifies objects by extrusion and offset.

Region

Closed boundary area

Relative Coordinates

Point locations measured from a previous point.

Rotate

to turn

Scale

Change size of object

Snap Mode

Feature that allows you to precisely locate points or objects in drawing.

Spline

Smooth and curved line defined by points

Subtract

Allows you to remove overlapping portions of existing objects

UCS (User coordinate system)

Allows you to define custom coordinate system

Viewpont

Specific location/perspective from which you are viewing your drawing

WCS (World coordinate system)

Default coordinate system (x,y,z)

Zoom

Feature used to magnify and reduce your document on the screen.