AutoCAD 2010/2011/2012 DWG Format

[#1]

Wait a min! Didn't you say

"The AREA command can return an invalid number, while the underlying API (Polyline Object .Area Property) returns the correct value."

?

I'm getting the wrong answer both ways in that example, unless I'm misunderstanding you?

[#2]

I'm getting the wrong answer both ways in that example, unless I'm misunderstanding you?

Unless you are using some form of programming language to obtain the Area property supplied by the API, you are not seeing it (the correct value).  For example this small LISP routine will dump the properties of an object, including the area.

[#3]

I tried to use that lisp, I get:

Command: DUMP
Select Object: ; error: bad argument type: lentityp nil

Any ideas?

[#4]

Try this (slight fix)

[#5]

Thanks for the fix.

But have a look Terry, I'm still getting the wrong area:

[#6]

What I found is that, copy the polyline amd move towards 0,0. List it, check with area command. I hope u may satisfy up to maximum extent.