Command:_POLYGON
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Author | Murat Saraldı |
| Profession | Mechanical Technician | |
| AutoCAD Instructor | ||
| Location | Izmir, TURKEY | |
AutoCAd 12 and later versions
Greetings,
Drawing a polygon may sometimes be very annoying since input paremeters is confused. There are four steps to draw a ploygon.
Let us understand the process better by an example.
Figure 1
Command: _POLYGON
Enter the four requirements step by step when the command is run.
1) Enter numbers of sides <4> :
We have six sides so, type ‘6’ and press ENTER.
2) Specify center of polygon or [Edge] :
Pick any point on the screen.
3) Enter an option [Inscribed in circle / Circumscribed about circle ] I:
Figure 2
As you can see from the figure above, the dimension is given for a circle. We enter ‘i’ or ‘c’ for designating the circle’s tangency form, is it inner or outer?
Type ‘s’ and press enter since the 160 unit polygon was drawn in circumscribed format.
4-) Specify radius of circle :
The fourth and the last step is entering the radius of the circle.
Type ‘80’ and press enter.
Figure 3
If you follow the steps mentioned above, the 160 unit polygon should be constituted by now. Try a 180 unit polygon by yourself. Ask any problem you’ll encounter.
Regards.
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June 4th, 2008 14:47
Polygons are great for when I need to create a wipeout within a block definition in the shape of a “circle”. When prompted for the number of sides, I will enter a value of 36 (360 is a bit much). Using a 36 sided polygon that represents a circle is a lot quicker (and more precise) than drawing a polyline in the shape of a circle that was “eyeballed”.
Also, in addition to using the Inscribed and Circumscribed options, I also like using the Edge option when you know what the length of each side of the polygon is to be.