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Posted

Hi All:

There is a problem in OFFESTGAPTYPE, when the value is 2, AutoCAD help says the vertical distnace of the chamfer equals to offset distance!! I am not sure this is true!! Attached is an image with an offset distance = 1, and offsetgaptype = 2. As you can see non of the distances is = 1.

Also, as you can see the angle is 45, so I tried to figure out that may be they are using SIN, COS 45 (which equals to 0.707) or TAN 45 (which equals to 1), but non of them worked.

 

Can anybody tells me where the numbers 0.8284 and 0.5858 comes from??

 

Take care,

offsetgaptype.jpg

Posted

Can anybody tells me where the numbers 0.8284 and 0.5858 comes from??

 

0.8284 = (2 x tan 22½°)

 

0.5858 = (1 - tan 22½°)

 

My help file says that when OFFSETGAPTYPE = 2, a chamfer is drawn, but no mention of the size.

Posted

And there seem to be plenty of distances = 1

Offset.jpg

Posted

Hi Eldon:

 

Thank you for your input.

 

Don't you think it is very complicated!!

 

In OFFSETGAPTYPE = 1, Fillet radius = Offset Distance, why not making the same for OFFSETGAPTYPE = 2

 

Actually I was giving a course for AutoCAD 2010, and one of my trainees asked after the class, what is the chamfer distance(s), and can we control it for OFFSETGAPTYPE = 2, and I told him I will check it for you ....

 

I am little disappointed at AutoCAD creators, they should make it Chamfer Dist 1 = Dist 2 = Offset distance, and not this complicated thing.

 

take care,:)

Posted
0.8284 = (2 x tan 22½°)

 

0.5858 = (1 - tan 22½°)

 

My help file says that when OFFSETGAPTYPE = 2, a chamfer is drawn, but no mention of the size.

 

The attached file shows the description of the help file of AutoCAD 2010

 

regards,

Offsetgaptype values.jpg

Posted

I think the picture, in my post above, illustrates that perfectly. :D

Posted

It is very difficult to be succinct in the help files, whilst being actually informative.

 

Perhaps the note should have said:- "Fills the gaps with chamfered line segments (the perpendicular distance to the mid point of each chamfer is equal to the offset distance)"

 

It would be impossible to edit all the Help files in existence, and probably the writer of this phrase is hanging their head in shame.

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