Transcript
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Learning Objectives
LINE command.
Coordinate systems. ERASE tool. Object selection methods: Window and Crossing. CIRCLE command. ZOOM and PAN commands. UNITS command. Limits of a given drawing. Plot drawings. Options dialog box.
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Drawing Lines in AutoCADRibbon : Home > Draw > LineToolbar : Draw > LineMenu Bar : Draw > LineTool Palettes : Draw > LineCommand : LINE or L
Invoking the Tool Palettesfrom the Palettes menu Invoking the LINE commandfrom the Draw toolbar
The Line tool in the Draw
panel
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Drawing lines using the LINE command
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The LINE command has the following three options:
Continue
Undo
Close
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Coordinate Systems
1. Absolute coordinates
2. Relative coordinatesa. Relative rectangular coordinatesb. Relative polar coordinates
3. Direct distance entry
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Lines created using the absolutecoordinates
Command: LINE _line Specify first point: 1,1
(X = 1 and Y = 1.)Specify next point or [Undo]: 4,1(X = 4 and Y = 1.)Specify next point or [Undo]: 4,3Specify next point or [Close /Undo]: 1,3Specify next point or [Close/Undo]: C
Absolute Coordinates
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Example 1
Drawing a figure using the absolute coordinates
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Drawing lines using the relativerectangular coordinates
Command: LINE _line Specify first point: 1,1 (Start point)Specify next point or [Undo]: @4,0(Second point DX = 4, DY = 0.)Specify next point or [Undo]: @0,3(Third point DX = 0, DY = 3.)Specify next point or [Close/Undo]:@-4,0 (Fourth point DX = -4, DY = 0.)Specify next point or [Close/Undo]: @0,-3(Start point DX = 0, DY = -3.)Specify next point or [Close/Undo]:
Relative Rectangular Coordinates
Relative Coordinate System
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Example 2
Profile for Example 2
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Drawing a line using relativepolar coordinates
Relative Polar Coordinates
Command: LINESpecify first point: 1,1Specify next point or [Undo]: @5
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Example 3
Drawing for Example 3
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Direct Distance EntryCommand: LINE
_line Specify first point: Start point.
Specify next point or [Undo]: Position the cursor and then enter distance.Specify next point or [Undo]: Position the cursor and then enter distance.
Drawing lines using the DirectDistance Entry method
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Example 4
Drawing for Example 4
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Canceling and Undoing a Command
Object Selection Methods
The Crossing OptionThe Window Option
Selecting objects using the Windowoption
Selecting objects using the WindowCrossing option
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Drawing a CircleCommand : CIRCLE or CToolbar : Draw > CircleMenu Bar : Draw > CircleTool Palettes : Draw > CircleRibbon : Home > Draw > Circle drop-down >
Center , Radius
Tools in the Circledrop-down
The options of the CIRCLE commandCenter and Radius Center and DiameterTwo-Point Three-PointTangent, Tangent, Radius Tangent, Tangent, Tangent
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Drawing a circle by specifyingthe center and the radius
Drawing a circle by specifyingthe center and the diameter
A circle drawn by using the2-Point option
A circle drawn by using the3-point option
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Drawing a circle tangent totwo objects
Drawing a circle tangent totwo objects
Drawing a circle tangent totwo objects
Drawing a circle tangent to twoobjects
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Drawing a circle tangent to threeobjects
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Basic Display Commands
Zooming Drawings
The Zoom tools inthe Navigator Bar
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Setting Units Type and PrecisionApplication Menu : Drawing utilities > UnitsCommand : UNITS
The Drawing Units dialog box
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Setting the Direction for Angle Measurement
The Direction Control dialog boxNorth, South, East, and Westdirections
Specifying Units for the Drawing or Block to be Inserted
Sample Output
Specifying Units for Lighting
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Example 5
Drawing for Example 5
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Setting Limits of a Drawing
Limits for Architectural Drawings
Command: LIMITS
Setting limits in a drawing
Setting limits
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Example 6
Drawing for Example 6
Limits for Metric Drawings
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Introduction to Plotting DrawingsRibbon : Output > Plot > PlotToolbar : Quick Access > Plot
Application Menu : Print > PlotCommand : PLOT or PRINT
The Plot dialog box
Basic Plotting
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Modifying AutoCAD Settings using theOptions dialog box
Files Display Open and Save
Plot and Publish System User Preferences Drafting 3D Modeling
Selection Profiles
Application Menu : OptionsCommand : OPTIONS
The Options dialog box
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