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# Re: [femm] File format using XML?

- To: femm@egroups.com
- Subject: Re: [femm] File format using XML?
- From: David Meeker <dmeeker@foster-miller.com>
- Date: Fri, 15 Dec 2000 17:50:55 -0500
- Organization: Foster-Miller, Inc.
- References: <915l9p+qgti@eGroups.com>

    Barry Hansen wrote:

    > Hello, I'm a hobbyest using FEMM to study mechanical forces in certain
    > types of solenoids. First, let me say THANK YOU for providing such a
    > great magnetic analysis package!
    >

    I'm glad that the program is useful to you.

    >
    > Since I'm exploring the force profiles of various geometries, I'm
    > running lots of simulations. Each one varies slightly from each other.
    >

    Well, people have been asking for some sort of scripting language that would
    make this sort of thing easier. This sort of thing isn't a trivial
    modification, so I haven't had the time to get around to it yet.

    >
    > I was just curious if you would consider using XML for a file format?
    > It would seem to be a convenient vehicle for transporting data among
    > various programs. Not a big deal, but enquiring minds want To know!
    > <g>
    >
    > Thanks again,
    > Barry Hansen
    > Seattle, WA

    Well, I've changed file formats from the 2.1 to the 3.0 versions. The
    inspiration for this was really the structure of DXF files rather than XML,
    but I suppose that it philosophically shares some of the same objectives as
    XML. Internally, the 3.0 version of the program actually looks for keys
    that it understands and parses the values inside the keys, as opposed to
    reading some fixed, rigid data structure like in 2.1. The new data
    structure allows me to add in new features without making newer files
    totally unreadable by older version, and without losing backward
    compatibility. If there really was a strong reason to, I could probably
    support this functionality in a format that adhered to the XML standards.

    Dave.

    begin:vcard
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    tel;fax:781-890-3489
    tel;work:781-684-4070
    x-mozilla-html:TRUE
    url:http://members.aol.com/dcm3c
    org:Foster-Miller, Inc.;Electrical and Electronic Systems Group
    version:2.1
    email;internet:dmeeker@foster-miller.com
    title:Senior Engineer
    adr;quoted-printable:;;350 Second Avenue=0D=0A;Waltham;MA;02451-1196;USA
    fn:David Meeker, Ph.D.
    end:vcard

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- References:
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    - From: "Barry Hansen" <coilgun@oz.net>

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