Re: gEDA-user: Antenna Simulation

[Stefan Dröge <stefan@xxxxxxxxxx>]

Dave N6NZ wrote:
> Don't know of one for Linux. But in my experience, a graphical editor
> for NEC isn't of great value anyway.  The amounts that the wire lengths
> are changing while you are tuning antennas is too small relative to the
> rest of the structure and to the screen size.
> 
> What *is* useful is symbolic expressions in wire lists, so that specific
> points in space can be given names.  Makes it much easier to move a wire
> joint, since by changing the X/Y/Z values for one point all the
> associated wire dimensions are adjusted. Brian Beezley's old AO and YO
> programs did that, and it was very convenient.  I've often thought that
> a simple text-to-text preprocessor that resolved symbolic expressions
> would be very useful.
> 
> -dave
> 
> Stefan Dröge wrote:
>> Hi, I'm searching for a graphical editor for antennas that produces
>> input files for NEC (for those that don't know NEC:
>> http://en.wikipedia.org/wiki/Numerical_Electromagnetics_Code).
>> So it doesn't have to be a special antenna construction program, it
>> just has to put out files in NEC format.
>> I tried to run 4nec2 with wine under linux, but its so slow in the
>> geometry editor that its not usable.
>>
>> Any ideas?
>>
>> Greetings, Stefan
 
I agree to you when the antenna geometry is simple, but for complex geometries like cars, or airplanes it is very confusing when you look on hundreds of lines of code.

Stefan



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