Copy the specific layers you need to a new file. It is not a neat solution but it works. Amit Shacham NanoLab Ltd. ----- Original Message ----- From: "Haigh, Richard Daniel"To: Sent: Friday, December 14, 2001 7:20 PM Subject: [mems-talk] mask design in AutoCAD > Dear colleagues, > > I am currently designing a mask set in AutoCAD R14, and have encountered > some difficulties. There are a number of redundant layers that I now need to > delete. However, when I attempt to delete these redundant layers the > following message is displayed in AutoCAD: > > "The following layers cannot be deleted: > {1} Layer 0 and Defpoint layers. > {2} The current layer. > {3} X-ref dependent layers > {4} Layers containing objects." > > This message does not solve the problem, as: > {1} The layers that I need to delete are separate from the defpoint or 0 > layers, (statement {1} may be discounted.) > {2} The redundant layers cannot be deleted whether or not they are selected > as current, (statement {2} may be discounted.) > {3} There are no x-refs in the anywhere in the file [active or redundant > layer], (statement {3} may be discounted) > {4} There are no objects present in the redundant layers, (statement {4} may > be discounted.) > > I am at a loss as to understand the nature of this problem. I am writing to > see if there is anyone in our research community with experience of AutoCAD > who might recognise this problem and can perhaps offer a solution? > > > Many Thanks > > > Richard Haigh > _______________________________________________ > mems-talk@memsnet.org mailing list: to unsubscribe or change your list > options, visit http://mail.mems-exchange.org/mailman/listinfo/mems-talk > Hosted by the MEMS Exchange, providers of MEMS processing services. > Visit us at http://www.mems-exchange.org/