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# Re: [femm] Import DXF - improvement

- To: femm@yahoogroups.com
- Subject: Re: [femm] Import DXF - improvement
- From: David Meeker <dmeeker@ieee.org>
- Date: Sun, 24 Mar 2002 20:17:19 -0500
- References: <a7enge+rvvt@eGroups.com>
- User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:0.9.8) Gecko/20020204

This would be a very easy thing to include. There are a few lines at the beginning of the ReadDXF function (in movecopy.cpp of femme) that clear out any existing drawing. It's possible to get the effect you want by just commenting out those lines--perhaps I should change it so that it is that way by default (i.e. doesn't clear out the existing drawing before the import).
I guess that it would also be useful to insert a .fem into an existing drawing, rather than having to munge things together by hand. This would probably not be so hard to incorporate, either.
Dave.
vecerkaj wrote:

> `Hello Dave
> I have a note about import DXF. I realised, that after import any DXF
> file into existing file all settings I did before (such as setting of
> materials, boundary conditions....) are deleted and also old drawing
> dissapeared.
> Is it possible to improve dxf import to allow add a geometry from dxf
> file into existing geometry in femm file without reseting all
> settings? It is possible to do that manually in femm file, but it is
> not so comfortable and have to do that with few steps. (And a man is
> lazy :-) )
> I can use that (for example), when I need to calculate few variants
> of a motor with same stator and different rotors. (Geometry of stator
> and materials are stored in femm file and geometry of different kinds
> of rotor in dxf files).
> If course, nothing is urgent, but consideration of this improvement
> could be good for a next version of the FEMM.
> I have to say again, FEMM is great, thank you, Dave and all who
> cooperate on design of FEMM and LUA.
> Jiri Vecerka
> `

--
David Meeker

- References:
  - Import DXF - improvement
    - From: "vecerkaj" <vecerkaj@yahoo.com>

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