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SV: Re: PDA Gps

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Michel

Joined: 10 Jan 2006
Posts: 966
Location: Norway

Posted: Tue Feb 21, 2006 7:07 am Post subject: SV: Re: PDA Gps

 	  Quote: 	
		   From: wingnut [wingnut(at)spamarrest.com]

 Wow.. You took off with zero visibility? I guess if I where going to bet my life on it,

 I'd go for the best hardware I can buy as well. 


	


Those situations often happen without warning, Luis. Although I can only fly VFR with my Kitfox, I installed a TruTrak Pictorial Turn and Bank coordinator.



http://www.trutrakflightsystems.com/ttfsinstruments.html



Solid state, quick response, cheap. I am very pleased with it. Of course, it's worth nothing without training. I have an accurate replica of my Kitfox in the X-Plane flight simulator and ... I train a lot. I will also train with a pilot passenger and a hood.



Cheers,

Michel

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_________________
Kitfox 3 - Jabiru 2200

Michel

Joined: 10 Jan 2006
Posts: 966
Location: Norway

Posted: Wed Feb 22, 2006 12:45 am Post subject: SV: Re: PDA Gps

 	  Quote: 	
		   From: Bradley M Webb [bmwebb(at)cox.net]

 Didn't mean to be rude, but read your post again. To the uninitiated, it

 sounds as though you knew the conditions were marginal, and because of your

 having such a useful instrument, you chose to make the flight


	


Now I am confused, Brad, because you answer not Gary's post but mine.

In any case, everybody AGREE with you and I am sure Gary reacted not to WHAT you said but HOW you said it - as Lowell pointed out.



Cheers,

Michel



do not archive

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_________________
Kitfox 3 - Jabiru 2200

Michel

Joined: 10 Jan 2006
Posts: 966
Location: Norway

Posted: Wed Feb 22, 2006 12:59 am Post subject: SV: Re: PDA Gps

 	  Quote: 	
		   From: wingnut [wingnut(at)spamarrest.com] 

 I'm using an X3 with the same processor as that X5 running Pocket FMS. It is just

 fast enough. With all the nifty options turned on, I can't zoom out to show more than

 20 miles without panning getting too slow.


	


Ah, please let me explain something, Luis and all wannabe PDA navigators. I met the creators of PocketFMS in The Netherlands and computer graphic is my profession.



Worldwide maps, on navigation instruments, or flight simulator - for the matter, are all created from vector database we owe the American tax-payers and the USGS with their NIMA, DEM and DAFIF databases.



The problem is that the processors used today in PDAs cannot handle such a large amount of vector graphic. On your PC, it is handled by your graphic card, which a PDA doesn't have. Therefore maps for PDA applications have to be transformed to bitmap format. The drawback is that bitmap files are large. Hence the slow update of the maps and - in the case of PocketFMS - the inability to zoom close in.



Luis, for PocketFMS, I know that the team is currently working at a new display model that should increase the refreshing time of the moving map. Next version is planned for April.



Cheers,

Michel

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_________________
Kitfox 3 - Jabiru 2200

wingnut

Joined: 11 Jan 2006
Posts: 356

Posted: Wed Feb 22, 2006 6:22 am Post subject: Re: SV: Re: PDA Gps

Actually, the problem I have is the inability to zoom way out. The closer I zoom in the better things work. PocketFMS uses different size bitmaps for different zoom levels so panning the map should be the same no matter what level you're at. The problem I think is that the terrain is the only thing that's a bitmap. Things like airspace boundaries, text, airports, etc,  are still drawn with vector graphics. If I turn all that stuff off, I can zoom to any level. It's just not very usefull.



It's good to hear that they're working on improving performance. Although, it's worth noting that some of the newer PDAs on the market now come with some kind of graphic acceleration hardware. Some of them even have hardware support for advanced graphics libraries like DirectX.

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smokey_bear_40220(at)yaho
Guest

Posted: Wed Feb 22, 2006 4:24 pm Post subject: SV: Re: PDA Gps

Louis, aka Wingnut,

You see what you get into here?  Michel is no innocent

bystander but one of our Gurus!  This list is full of

them!  Stay tuned.

Kurt S.

Do not archive

--- Michel Verheughe <michel(at)online.no> wrote:

 	  Quote: 	
		   > From: wingnut [wingnut(at)spamarrest.com] 

 > I'm using an X3 with the same processor as that X5

 running Pocket FMS. It is just

 > fast enough. With all the nifty options turned on,

 I can't zoom out to show more than

 > 20 miles without panning getting too slow.

 Ah, please let me explain something, Luis and all

 wannabe PDA navigators. I met the creators of

 PocketFMS in The Netherlands and computer graphic is

 my profession.

 Worldwide maps, on navigation instruments, or flight

 simulator - for the matter, are all created from

 vector database we owe the American tax-payers and

 the USGS with their NIMA, DEM and DAFIF databases.

 The problem is that the processors used today in

 PDAs cannot handle such a large amount of vector

 graphic. On your PC, it is handled by your graphic

 card, which a PDA doesn't have. Therefore maps for

 PDA applications have to be transformed to bitmap

 format. The drawback is that bitmap files are large.

 Hence the slow update of the maps and - in the case

 of PocketFMS - the inability to zoom close in.

 Luis, for PocketFMS, I know that the team is

 currently working at a new display model that should

 increase the refreshing time of the moving map. Next

 version is planned for April.

 Cheers,

 Michel

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