[aprssig] New icon images

Andrew P. andrewemt at hotmail.com
Mon Aug 25 20:44:24 EDT 2014

Per my comment about possible new symbols to introduce, I went through the symbol codes defined by OpenTRAC, and found all the symbol meanings that didn't correspond to existing APRS symbol codes. These are what's left of the OpenTRAC codes after eliminating ones that correspond to existing APRS symbols (there were 120 of them). The SAR block seems the highest priority, but there still are lots of other codes that seem like it would be useful to be able to define them, at least as Objects/Items (many of them don't generally correspond to stations).

1.2.3     Unmanned Space Debris     Experimental Fixed Wing Air     Turboprop Airplane
3.1.2     Government Facility
3.1.3     Medical Facility     Clinic     Triage Facility     Morgue
3.1.4     Emergency Services     Decontamination     Power     Apartment     Condo     Park     Airport     Ultralight Flight Area     Helipad     Ground Transport     Train Station     Bus Station     Light Rail     Sea Transport     Port     Ferry Landing
3.2.1     Vehicle     Passenger Vehicle     Commercial Vehicle     Rail Vehicle     Snow Vehicle     Snow Plow     Construction Vehicle     Bulldozer     Backhoe     Loader     Public Safety Vehicle
3.2.2     Emergency Equipment     Generator     Portable Generator     Towed Generator     Fixed Generator
4.1.3     Support Vessel     Tugboat     Harbor Tug     Ocean Tug     Pilot Boat     PWC     Skiff     DaySail     Tall Ship
4.2.1     Floating Structure     Oil Rig     Dry Dock     Bridge
4.2.2     Fixed Structure     Oil Rig     Dry Dock     Anchor Area     Mooring     Mooring Area     Bridge     Fixed Bridge     Lift/Swing Bridge
5.1.1     Subsurface Vehicle     ROV     Submersible
5.2.1     Dive Site
5.2.2     Channel
6.1.1     Ham Radio Contest     Field Day
6.1.2     Swap Meet
6.1.3     Convention
6.2.1     Geocache
6.3.1     Parade     Parade Staging Area     Parade Review Stand
6.5.1     SAR Victim
6.5.2     SAR Tracks
6.5.3     SAR Sign
6.5.4     SAR Evidence
6.5.6     Shipwreck
6.5.7     SAR Man Overboard
6.5.8     ELT/EPIRB Hit
6.6.4     Landslide/Mudslide
6.6.5     Avalanche
6.6.6     Volcanic Eruption     Low Pressure Center     High Pressure Center     Cold Front     Upper Cold Front     Warm Front     Upper Warm Front     Occluded Front     Stationary Front     Trough Line     Ridge Line     Squall Line     Light Turbulence     Medium Turbulence     Severe Turbulence     Extreme Turbulence     Clear Icing     Light Clear Icing     Moderate Clear Icing     Severe Clear Icing     Rime Icing     Light Rime Icing     Moderate Rime Icing     Severe Rime Icing     Mixed Icing     Light Mixed Icing     Moderate Mixed Icing     Severe Mixed Icing
7.1.4     Wind Barb     Jet Stream     Instrument Ceiling     Visual Ceiling     Ice Pellets     Ice Crystals     Dust/Sand Storm     Dust Devil

It was a very subjective process (for example, there are over a dozen airplane codes in OpenTrac which I mapped into either the APRS small airplane icon or the large airplane icon).

So, are any of these worth adding in some of the "holes" in the APRS symbol tables?

Andrew Pavlin, KA2DDO

> Date: Thu, 21 Aug 2014 23:23:07 +0300
> From: hessu at hes.iki.fi
> To: aprssig at tapr.org
> Subject: Re: [aprssig] New icon images
> On Thu, 21 Aug 2014, andrewemt wrote:
> > Greetings, all.
> > 
> > I was just reading some archives of the mailing list, and came upon the discussion last year of defining new APRS
> > symbol code meanings and creating new symbol icon images.
> > 
> > Has any progress been made on that?
> I've mostly finished the work on a new symbol set. I'll release it first 
> on aprs.fi (pretty soon), and then open-source the data. The new ones look 
> pretty good on modern displays, even when rotated as bitmaps:
> https://twitter.com/aprsfi/status/502348470465097728
> That effort, however, only targeted the old symbol set, and none of the 
> new ones, mostly because drawing a lot of additional symbols takes a lot 
> of additional time, and it took a lot of time to just do the old ones 
> (some 30-50 minutes per symbol! and could easily use more to make them 
> better). I'm not quite sure it makes sense to put a lot of effort in a 
> huge granularity of different symbol graphics like this:
> HOUSE: #-
> /- = House
> \- = (was HF)
> 5- = 50 Hz mains power
> 6- = 60 Hz mains power
> ... are there any areas where one house has 50 Hz and the next house 
> suddenly has 60 Hz? What is the relevancy of this?
> B- = Backup Battery Power
> C- = Club, as in Ham club
> E- = Emergency power
> G- = Geothermal
> H- = Hydro powered
> O- = Operator Present
> S- = Solar Powered
> W- = Wind powered
> ... huh? 9 more houses to draw, while somehow signaling which sort of 
> power source each house has? Will there also be a separate for a 
> Hydro-powered house which has an operator present, VHF yagi antenna and a 
> dog?
> I'd suggest this sort of granularity and detail could go to the free-form 
> comment text. We'll need to hire a full-time symbol graphic artist if we 
> go to details like this. :)
> The "generalize old symbols" direction would be more useful. Like when the 
> current symbolsX.txt redefines \h, which used to be 'ham store', as just 
> 'store', which is more widely useful.
>    - Hessu
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