Hi,
...I use Polyline with a width (ACAD:> pl : _w) so that is not necessary to
draw the region by closed polyline - additional I use rectangl (ACAD:>
_rectang)  to compose my design. I hope this is helpful.

Jens Tuchscheerer


----- Original Message -----
From: "Haigh, Richard Daniel" 
To: 
Sent: Wednesday, January 02, 2002 11:15 AM
Subject: [mems-talk] AutoCAD problems with mask design


> Dear colleagues
>
> I am using AutoCAD R14 to design a mask set. As the set is a particularly
> complex one, this makes it difficult to detect and correct errors. The set
> has been sent to our mask makers, who have detected a number of 'open
> polyline objects' within the design. Unfortunately, the mask makers cannot
> specify where the open polylines are within the set. It should be noted
that
> the ebeam cannot write open polyline objects of zero width when writing
the
> masks.
>
> I have been told that there is a way within AutoCAD to select and display
> open polyline objects, but I am not too sure how to do this. There is an
> option for selecting polylines but it seems that there is no option for
> selecting open ones from closed ones. If anyone has any suggestions -
please
> let me know ?
>
>
> Many thanks
>
>
>
> Richard Haigh
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