O B J E C T I V E S
After Af te r studying st ud yi ng t t his hi s chapter ch ap te r,
you hould sh ld b b e bl ab le t t o:
◆ Explain p how computer p technology g y is
revolutionizing drafting, design, and
engineering en gi ne er in g.
◆ Describe the basic features and
oper p ti at io n f of a comput p te r- id ai de d d
drafting program.
◆ Explain the various commands used to
create cr ea te o o bjects bj ec ts i i n n CAD CA D.
◆ Describe the tools used to modify
CAD drawings.
◆ I I dentify de nt if y y the th e various va ri ou s display di sp p la y y functions fu nc ti on s
used in CAD programs.
◆ Describe D D es es cr cr ib ib e e the th th e e t ty ty pical pi pi ca ca l l components co co mp mp on on en en ts ts in i i n n a a a
CAD program Help system.
◆ Explain the importance of CAD file fi
management ma na ge me nt a a nd nd i i dentify de nt if y common co mm on
storage techniques.
◆ Li L L i is t t different di di ff ff t t ty pes f f of CAD C C AD AD s ft f of tware
and their applications.
Computer-Aided
Drafting
and Design
D r a f t i n g v o c a b u l a r y
7
Absolute coordinates
Array
Assembly
Attributes
Bitmap graphics
Blocks
Cartesian coordinate
system
Chamfer
Computer-
aided design/
computer-aided
manufacturing
(CAD/CAM)
Coordinates
Fillet
Grid
Layers
Linetype
Object snap
Orthogonal mode
Parameters
Parametric modeling
Pixels
Polar coordinates
Raster objects
Relative coordinates
Rendering
Resolution
Round
Scanner
Scene
Schedule
Snap
Solid modeling
Solid models
Solids
Surface modeling
Surface models
Symbol library
Symbols
Template
User coordinate
system
Vector objects
World coordinate
system