topic Re: How can I delete the inner lines of the mesh? in AutoCAD Forum

How can I delete the inner lines of the mesh?

danismanm — Wed, 17 Apr 2024 13:25:51 GMT

Hi! I had roads as mesh in my dwg file. I applied the FLATTEN command. Now I have all the lines one by one. But I need to delete the lines inside the roads, except for its outer lines. The SELECTSIMILAR command does not work because the inside lines and outside lines are in the same layer. How can I have only the outer lines of the roads?

Re: How can I delete the inner lines of the mesh?

pendean — Wed, 17 Apr 2024 13:25:05 GMT

manually I suspect based on your descriptions alone: can you share your actual DWG file?

Re: How can I delete the inner lines of the mesh?

danismanm — Wed, 17 Apr 2024 13:29:12 GMT

thanks. I edited and added screenshot and dwg.

Re: How can I delete the inner lines of the mesh?

pendean — Wed, 17 Apr 2024 15:25:02 GMT

@danismanm wrote:
thanks. I edited and added screenshot and dwg.

Thanks for the file: other than OVERKILL command getting rid of ~180000 duplicates, I see no other easy automated method to remove the other excess lines from your DWG file. Sorry.

Re: How can I delete the inner lines of the mesh?

danismanm — Wed, 17 Apr 2024 18:48:51 GMT

Is there any step I can take before FLATTEN the mesh?

Re: How can I delete the inner lines of the mesh?

pendean — Wed, 17 Apr 2024 19:25:10 GMT

@danismanm wrote:
Is there any step I can take before FLATTEN the mesh?

Can you share your original DWG (mesh?) before flattening and exploding etc.?

Re: How can I delete the inner lines of the mesh?

danismanm — Fri, 19 Apr 2024 11:20:02 GMT

Here is the original mesh. Thanks a lot for your help.