Autocad 2 hluti.

1. Learning Objectives
• LINE command.
2. Getting Started with AutoCAD
• 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.

2.  Drawing Lines in AutoCAD
Ribbon: Home > Draw > Line
2. Getting Started with AutoCAD
Toolbar: Draw > Line
Menu Bar: Draw > Line
Tool Palettes: Draw > Line
Command: LINE or L
The Line tool in the
Draw panel
Invoking the Tool Palettes Invoking the LINE command
from the Palettes menu from the Draw toolbar

3. 2. Getting Started with AutoCAD
Drawing lines using the LINE command

4. The LINE command has the following three options:
2. Getting Started with AutoCAD
Continue Close
Undo

5.  Coordinate Systems
1. Absolute coordinates
2. Getting Started with AutoCAD
2. Relative coordinates
a. Relative rectangular coordinates
b. Relative polar coordinates
3. Direct distance entry

6. Absolute Coordinates
Command: LINE
2. Getting Started with AutoCAD
_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]: 4,3
Specify next point or [Close /Undo]:
1,3
Specify next point or [Close/Undo]: C
Lines created using the absolute
coordinates

7. Example 1
2. Getting Started with AutoCAD
Drawing a figure using the absolute coordinates

8. Relative Coordinate System
Relative Rectangular Coordinates
2. Getting Started with AutoCAD
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.) Drawing lines using the relative
Specify next point or [Close/Undo]: rectangular coordinates

9. 2. Getting Started with AutoCAD
Example 2
Profile for Example 2

10. Relative Polar Coordinates
Command: LINE
2. Getting Started with AutoCAD
Specify first point: 1,1
Specify next point or [Undo]: @5<30
Drawing a line using relative
polar coordinates

11. 2. Getting Started with AutoCAD
Example 3
Drawing for Example 3

12. Direct Distance Entry
Command: LINE
2. Getting Started with AutoCAD
_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 Direct
Distance Entry method

13. 2. Getting Started with AutoCAD
Example 4
Drawing for Example 4

14.  Erasing Objects
Ribbon: Home > Modify > Erase
2. Getting Started with AutoCAD
Toolbar: Modify > Erase
Menu Bar: Modify > Erase
Command: ERASE or E
Tool Palettes: Modify > Erase The Erase tool in
the Modify Panel
The Erase tool in Selecting the object by positioning the
the Modify pick box at the top of the object
toolbar

15.  Canceling and Undoing a Command
 Object Selection Methods
2. Getting Started with AutoCAD
The Window Option The Crossing Option
Selecting objects using the Window Selecting objects using the Window
option Crossing option

16.  Drawing a Circle
Command: CIRCLE or C
2. Getting Started with AutoCAD
Toolbar: Draw > Circle
Menu Bar: Draw > Circle
Tool Palettes: Draw > Circle
Ribbon: Home > Draw > Circle drop-down >
Center , Radius
Tools in the Circle
drop-down
The options of the CIRCLE command
Center and Radius Center and Diameter
Two-Point Three-Point
Tangent, Tangent, Radius Tangent, Tangent, Tangent

17. 2. Getting Started with AutoCAD
Drawing a circle by Drawing a circle by specifying
specifying the center and the center and the diameter
the radius
A circle drawn by using the A circle drawn by using
2-Point option the 3-point option

18. 2. Getting Started with AutoCAD
Drawing a circle tangent Drawing a circle tangent
to two objects to two objects
Drawing a circle tangent Drawing a circle tangent to
to two objects two objects

19. 2. Getting Started with AutoCAD
Drawing a circle tangent to
three objects

20.  Basic Display Commands
Zooming Drawings
2. Getting Started with AutoCAD
The Zoom tools in
the Navigator Bar

21.  Setting Units Type and Precision
Application Menu: Drawing utilities > Units
Command: UNITS
2. Getting Started with AutoCAD
The Drawing Units dialog box

22. Specifying the Format
Specifying the Angle Format
2. Getting Started with AutoCAD
Specifying angles in Surveyor’s Measuring angles
Units

23. Setting the Direction for Angle Measurement
2. Getting Started with AutoCAD
North, South, East, and West The Direction Control dialog box
directions
Specifying Units for the Drawing or Block to be Inserted
Sample Output
Specifying Units for Lighting

24. 2. Getting Started with AutoCAD
Example 5
Drawing for Example 5

25.  Setting Limits of a Drawing
Command: LIMITS
2. Getting Started with AutoCAD
Setting limits
Setting limits in a drawing
Limits for Architectural Drawings

26. Example 6
2. Getting Started with AutoCAD
Drawing for Example 6
Limits for Metric Drawings

27.  Introduction to Plotting Drawings
Ribbon: Output > Plot > Plot
2. Getting Started with AutoCAD
Toolbar: Quick Access > Plot
Application Menu: Print > Plot
Command: PLOT or PRINT
Basic Plotting
The Plot dialog box

28.  Modifying AutoCAD Settings using the
Options dialog box
2. Getting Started with AutoCAD
Application Menu: Options
Command: OPTIONS
• Files
• Display
• Open and Save
• Plot and Publish
• System
• User Preferences
• Drafting
• 3D Modeling
• Selection
• Profiles
The Options dialog box