Basics in AutoCAD 2010
Objectives:
Types of lines and their usage
Starting AutoCAD:
To open AutoCAD, click Start menu (Windows) ➤ (All) Programs ➤ Autodesk
➤ AutoCAD 2010 ➤ AutoCAD 2010 - English.
NOTE If the New Features dialog box
appears, select Maybe later and OK to close it.
The AutoCAD window opens with an
empty drawing file named
Drawing1.dwg.
Drawing
Lines
How to Draw a Line
·
On the
ribbon, click Home tab ➤ Draw
panel ➤ Line.
·
Drag
the mouse down to the empty drawing. A crosshairs cursor appears with three
text boxes. The “Specify first point” box is called the dynamic prompt. With
the dynamic prompt, you can keep your eyes on your work and do not have to look
down to the command line.
·
The
other two text boxes show the location (x and y coordinates) of the cursor. Use
the mouse to move the cursor around and notice that the coordinates change.
·
In the
empty drawing, click the mouse to pick a start point for your first line. The
dynamic prompt changes to “Specify next point or”.
·
Drag
the cursor in any direction and click to pick the end point of your line. Other
text boxes appear with additional information about the line. You can ignore
these for now.
·
Press
the Enter key on your keyboard to end the line. You have drawn your first line!
How to delete a single line
·
Move
the cursor over the line to highlight it; the line will appear darker and
dotted.
·
Click
the mouse to select the line. You know it is selected when three square
selection handles appear and the line changes to a dotted line.
·
Press
the Delete key on your keyboard to erase the line. You have learned how to
select a single object and delete it.
How to
draw a series of connected lines
1. On the ribbon, click Home tab ➤ Draw panel ➤ Line.
2. Drag
the mouse down to the empty drawing. Click to specify the first point for the
line.
3. Drag
the cursor in any direction and click to pick the next point of your line. You
have drawn the first line in a series of connected lines.
4.
Drag the mouse and click to specify the next point. You
have drawn the second line in a series of connected lines.
5.
Continue to drag the mouse and click to
specify points to add more lines.
6.
When you want to end the series of lines,
press the Enter key on your keyboard.
To select and delete a series
of lines
·
Move
the cursor above and to the left of the lines.
·
Click
and hold down the mouse button as you drag to the right and down to form a
selection box around the lines.
·
Click
when all of the lines are inside the box. After you click, the square selection
handles appear and the lines become dotted.
·
Press
the Delete key on your keyboard to erase the lines.
To
connect a series of lines to form an object
·
Drag
the mouse down to the empty drawing. Click to specify the first point of the
line.
·
Drag
the cursor in any direction and click to pick the next point of the line.
·
Continue
dragging and clicking to create a few more lines.
·
Right
after you pick the last point, without moving the mouse, use the keyboard to
type close. As you type the close command, it appears in a small text box in
the window.
·
Press
the Enter key on your keyboard to complete the close command. The end of the
last line you drew is connected to the beginning of your first line. This
method of directly entering a command into the window is called dynamic input.
It is faster and easier than using the command line.
Zoom
and Pan with the Mouse Wheel
·
The
easiest way to zoom in and out in your drawing is with the mouse wheel.
·
With
the cursor in the drawing area, to zoom in and magnify a section of the
drawing, scroll the mouse wheel up.
·
To zoom back out, scroll the mouse wheel down.
To pan
the drawing using the mouse wheel
·
With
the cursor in the drawing area, press and hold down the mouse wheel. A hand
icon appears.
·
Drag
the mouse to pan the drawing.
·
Let go
of the mouse wheel to stop panning.
·
Zoom in
using the mouse wheel, and then pan the drawing. Notice that the magnification
stays the same as you pan.
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