Graphics Programs Reference
In-Depth Information
The concentric copy of a polyline made by choosing the Offset tool can be useful when you
need to draw complex parallel curves like the ones in Figure 17.5.
FIGURE 17.5
Sample complex
curves drawn
by using offset
polylines
The outside profile was drawn first;
then the Offset command was
used to draw the inside profile.
2.7500
120
1.1250
1.6250
4.7500
Next, complete the top view of the joint. To do this, you'll use the Pedit command:
1. Connect the ends of the polylines with two short line segments (Figure 17.6).
FIGURE 17.6
The polyline so far
2. Choose Modify Object Polyline from the menu bar or type PE ↵. PE is the alias for
the Pedit command.
3. At the Select polyline or [Multiple]: prompt, pick the outermost polyline.
4. At the prompt
Enter an option
[Close/Join/Width/Edit vertex/Fit/Spline/Decurve/Ltype gen/Reverse/Undo]:
enter J ↵ for the Join option.
5. At the Select objects: prompt, select all the objects you've drawn so far.
6. Press ↵ to join all the objects into one polyline. It appears that nothing has happened.
7. Press ↵ again to exit the Pedit command.
8. Click the object in the drawing to expose its grips. The entire object is highlighted, indi-
cating that all the lines have been joined into a single polyline.
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