Beginning AutoCAD 2006
Placing emphasis on learning by doing, this step-by-step guide provides a detailed exploration of AutoCAD functions required at each stage of producing a 2D drawing.
TABLE OF CONTENTS Beginning AutoCAD 2006
Chapter 20: Polylines
Overview
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A polyline is a single object which can consist of line and arc segments.
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It can be drawn with varying widths.
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It has it's own editing facility and can be activated by icon, from the menu bar or by keyboard entry.
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A polyline is a very useful and powerful object yet it is probably one of the most under-used draw commands.
Persevere with the demonstration which follows, as it is quite long and requires several keyboard entries.
Using polylines
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Open your A3PAPER standard file with layer OUT current and refer to Figure 20.1(a).
Figure 20.1: The polyline exercises. -
Display the Draw, Modify, Object Snap and Modify II toolbars.
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Select the POLYLINE icon from the Draw toolbar and:
prompt
Specify start point
enter
15,220
prompt
Current line-width is 0.00
then
Specify next point or [Arc//Halfwidth/Length/Undo/Width]
enter
@50,0
prompt
Specify next point or [Arc/Close/Halfwidth/Length/Undo/ Width]
enter
@0,50
prompt
Specify next point or . . . and enter @ 50,0
prompt
Specify next point or . . . and enter @0, 50
prompt
Specify next point or . . .
respond
right-click-enter to end command.
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From menu bar select Draw-Polyline and:
prompt
Specify start point and enter 80,220
absolute entry prompt
Specify next point and enter @50<0
relative polar entry prompt
Specify next point and enter 140,270
absolute entry prompt
Specify next point and enter @ 50,0
relative absolute entry prompt
Specify next point and enter
Copyright Bob McFarlane 2006 under license agreement with Books24x7
