1. 4/28/2019
Drawing in AutoCAD

2. Coordinate Systems Cartesian Coordinates
Specifies objects in two dimensions
Uses X and Y coordinate pairs (x,y)
x = the distance along the X axis from the origin
y = the distance along the Y axis from the origin
Example: Where is the point described by coordinate pair 2,3?
(2,3) 2 3
2D Cartesian Coordinates
Drawing in AutoCAD

3. Coordinate Systems Polar Coordinates
4/28/2019
Coordinate Systems
Polar Coordinates
Specifies objects in two dimensions
Uses symbol, a distance, and an angle
r = the distance along the specified direction
< specifies the angle from the X axis
Example: Where 3
Drawing in AutoCAD

4. The POINT Command Entry Methods Draw toolbar: Draw menu: Point
Command line: POINT
. (x,y)
To change point style, use PDMODE.
To change point size, use PDSIZE.
Drawing in AutoCAD

5. The LINE Command Entry Methods Draw toolbar: Draw menu: Line
Command line: L or LINE
Point #2
Point #1
Lines are defined using two endpoints.
Drawing in AutoCAD

6. The LINE Command You can specify lines using Absolute Coordinates: x,y
Relative
@4,6
(4,1)
TIP: Use the Ortho setting (F8) to create horizontal and vertical lines.
Drawing in AutoCAD

7. Drafting Settings Snap (F7) Grid (F9)
Creates an invisible grid that restricts cursor location
Grid (F9)
Creates small dots on the screen to help give you perspective
Status Bar
Drawing in AutoCAD

8. Drafting Settings Polar Tracking (F10)
Displays temporary alignment paths defined by user-specified polar angles
Status Bar
Drawing in AutoCAD

9. Drafting Settings Object Snap (F3)
Allows you to “snap” to certain key points on existing geometry
Toolbar provides easy access to the object snaps
Status Bar
TIP: You can also use the right mouse button to activate object snaps.
Drawing in AutoCAD

10. The OFFSET Command
The OFFSET command creates parallel lines or concentric circles.
Entry Methods
Modify toolbar:
Modify menu: Offset
Command line: O or OFFSET
Offset Distance
Drawing in AutoCAD

11. The TRIM Command The TRIM command removes portions of objects
Entry Methods
Modify toolbar:
Modify menu: Trim
Command line: TR or TRIM
Drawing in AutoCAD

12. The EXTEND Command
The EXTEND command extends lines or arcs to a specified boundary.
Entry Methods
Modify toolbar:
Modify menu: Extend
Command line: EX or EXTEND
Drawing in AutoCAD

13. The FILLET Command
The FILLET creates a curved corner between two lines, arcs, circles.
Entry Methods
Modify toolbar:
Modify menu: Fillet
Command line: Fillet or F
Drawing in AutoCAD

14. Single-Line Text The DTEXT command adds a single line of text.
Entry Methods
Text toolbar:
Draw menu: Line
Command line: DTEXT
Drawing in AutoCAD

15. Text Style The STYLE command changes the appearance of text.
Entry Methods
Styles toolbar or Text toolbar:
Format menu: Text Style…
Command line: STYLE
Drawing in AutoCAD

16. Wrap-Up
Coordinate systems allow you to specify coordinates using both Cartesian and polar coordinates.
Drafting settings such as snap, grid, polar tracking, object snap, and Ortho help you draw accurately.
Draw objects using the POINT and LINE commands.
Drawing in AutoCAD

17. Wrap-Up (continued)
Edit objects using the OFFSET, EXTEND, and TRIM commands.
Add text to a drawing using the DTEXT command.
Change the style of text using the STYLE command.
Drawing in AutoCAD

18. Maneuvering in AutoCAD

19. Maneuvering in AutoCAD
Some commands are used to create objects.
Other commands are used to edit objects.
How do you view details on objects?
Maneuvering in AutoCAD

20. Maneuvering in AutoCAD
The ZOOM Command
The ZOOM command allows you to zoom in and out on an area of interest.
Entry Methods
Standard or Zoom toolbar:
View menu: Zoom
Command line: Z or ZOOM
Maneuvering in AutoCAD

21. Maneuvering in AutoCAD
The PAN Command
The PAN command slides your view around the screen.
Entry Methods
Standard toolbar:
View menu: Pan
Command line: P or PAN
Maneuvering in AutoCAD

22. Maneuvering in AutoCAD
The LIMITS Command
Specifies the drawing area
Adjusts the drawing area for printing, grids, and other commands
Entry Methods
Format menu: Drawing Limits
Command line: LIMITS
Maneuvering in AutoCAD

23. Maneuvering in AutoCAD
The REDRAW Command
The REDRAW command redraws the screen to remove stray pixels.
Entry Methods
View menu: Redraw
Command line: RE or REDRAW
Maneuvering in AutoCAD

24. Maneuvering in AutoCAD
The REGEN Command
The REGEN command is similar to REDRAW, but REGEN recalculates the screen coordinates.
Entry Methods
View menu: Regen or Regen All
Command line: REGEN
Maneuvering in AutoCAD

25. Maneuvering in AutoCAD
Wrap-Up
You can change the size and location of the view using the ZOOM and PAN commands.
The LIMITS command changes the size of the drawing area.
The REGEN and REDRAW commands refresh and regenerate the objects on the screen.
Maneuvering in AutoCAD

26. Selecting Objects and Printing

27. Selecting objects and printing
Object Selection
AutoCAD allows you to select objects in several ways.
Individual object selection
Enclosing window
Crossing window
Polygon area
Selection fence
Selecting objects and printing

28. Selecting objects and printing
Individual Selection
Select individual objects one at a time using the cursor.
The ESC key terminates the command.
Holding the Shift key and reselecting the object removes it from the selection set.
Selecting objects and printing

29. Selecting objects and printing
Individual Selection
To remove a series of objects from the selection Set, press the R key and Enter.
To add a series of objects after removing objects, press the A key and Enter.
Selecting objects and printing

30. Selecting objects and printing
Enclosing Windows
An enclosing window adds objects that are completely enclosed by the selection window to the selection set.
Create an enclosing window from left to right.
Selecting objects and printing

31. Selecting objects and printing
Crossing Windows
A crossing window adds objects that pass through the selection window to the selection set.
Create a crossing window from right to left.
Selecting objects and printing

32. Polygon Selection Area
A selection polygon defines an irregular selection area.
Type WP and press Enter to create an enclosing polygon.
Selecting objects and printing

33. Polygon Selection Area
Type CP and press Enter to create a crossing polygon.
Selecting objects and printing

34. Selecting objects and printing
Selection Fence
Creates a line that operates in the same way as a crossing window.
Type F and Enter to create a selection fence.
Selecting objects and printing

35. Selecting objects and printing
The PLOT Command
The PLOT command prints an AutoCAD drawing.
Entry Methods
Standard toolbar:
File menu: Plot
Command line: PLOT, PRINT, or Ctrl + P
Plot Device Setup
Selecting objects and printing

36. Selecting objects and printing
The PLOT Command
The Plot Device tab allows you to
Select the plotter to use
Choose what to plot
Plot to a file
Plot Device Setup
Selecting objects and printing

37. Selecting objects and printing
The PLOT Command
The Plot Settings tab allows you to alter
Plot area
Paper size
Drawing orientation
Plot scale
Plot offset
Plot options
Selecting objects and printing

38. Selecting objects and printing
Wrap-Up
There are many different ways to select objects in AutoCAD, including individual selection, enclosing window, crossing window, polygon, and selection fence.
Grips are another way to edit and manipulate objects.
The PLOT command prints an electronic drawing file.
Selecting objects and printing