[aprssig] New icon images
Andrew P.
andrewemt at hotmail.com
Fri Aug 22 07:53:12 EDT 2014
Any idea when the icon image vector files themselves would be available?
Andrew, KA2DDO
> Date: Fri, 22 Aug 2014 09:05:54 +0300
> From: hessu at hes.iki.fi
> To: aprssig at tapr.org
> Subject: Re: [aprssig] New icon images
>
> On Fri, 22 Aug 2014, SARTrack Admin wrote:
>
> > I see that you actually rotate your icons... Its a nice idea, and when it
> > comes to an airplane icon, which is an arrow anyway, that looks logical.
> > But when it is a car, you only only have to rotate it, but also flip it when
> > it goes in the oposite direction of the original drawing.
>
> Right. My code flips the airplane too, just to reduce code complexity. :)
>
> For the web site version, all rotations have been pregenerated during the
> software build process. It's a lot of little images, 19169 of them
> (number of symbols * overlays * rotations).
>
> > And how do you deal with icons which realy should never rotate (house), but
> > the direction data may not be exactly zero (and this may happen). Do you have
> > additional data attached to an icon saying, 'never rotate'?
>
> I have a map/dictionary/hash of symbols which can be rotated, and the
> original direction they're pointing at in the source image. I can publish
> that together with the symbols if it's useful.
>
> NSDictionary *initDirectionalSymbols = @{
> @"/'": @0,
> @"/(": @90,
> @"/*": @90,
> @"/<": @90,
> @"/=": @90,
> @"/>": @90,
> @"/C": @90,
> @"/F": @90,
> @"/P": @90,
> @"/S": @0,
> ....
>
> Actually, here's the machine-readable CSV/JSON/XML/YAML -formatted symbol
> descriptions index which I published a couple months ago. I should put the
> degree values there, maybe. Bob's original list is a bit difficult to use
> in an application - whenever there are changes, they need to be manually
> merged in each application config. A machine-readable index might be
> helpful and easier to synchronize to apps.
>
> https://github.com/hessu/aprs-symbol-index
> https://github.com/hessu/aprs-symbol-index/tree/master/generated
>
> - Hessu
>
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