[Loadstone] Suggestions for aditional functions & queery re compiling source code.

Paul Woffenden paul.woffenden at talktalk.net
Mon Oct 22 08:29:50 BST 2007

Hello Shawn,
Thanks for the advice on compiling. I'm running under Windows XP, so will 
look for the Symbian SDK. Looks like I'll have some serious learning to do 
with the C++!
As regards the calculation of solar azimuth, I already wrote a program in 
Pascal to obtain an approximate value; so will look into tidying it up and 
the possibility of porting it into C++ if I can become sufficiently familiar 
with the language.
Best regards.
----- Original Message ----- 
From: "Shawn Kirkpatrick" <shawn at odyssey.cm.nu>
To: <loadstone at loadstone-gps.com>
Sent: Monday, October 22, 2007 1:07 AM
Subject: Re: [Loadstone] Suggestions for aditional functions & queery re 
compiling source code.

> Hello Paul.
> Thanks for the suggestions.
> The repeat last command idea probably wouldn't be too hard to implement.
> I'll put it on the todo list.
> Calculating the azimuth of the sun could probably be done. I have to say I
> have no idea of how to do this or how the information would be useful or
> what the resulting output of such a function should be. At least one other
> user seems to think this would be a good idea, would this be of any use to
> other users? The only thing to do with the sun I've considered putting in 
> is
> a sunrise/sunset calculator just for informational purposes.
> As for compiling the source code, what environment are you working in? The
> loadstone developers do the work in linux but the symbian compilation 
> tools
> will also work under windows. If you're working in linux I can write you 
> off
> list with instructions about how to download and set up the sdk. If you're
> using windows then you'll have to download the sdk from the symbian site 
> and
> do a bit of reading on how to get it going.
> The Loadstone source code is c++ with a lot of changes made by symbian to
> make things work with there system so the learning curve can be a little
> steep.
>  On Sun, 21 Oct 2007, Paul Woffenden wrote:
>> Hi All,
>> , I'm very impressed with Loadstone, which I have working perfectly on my 
>> Nokia E61.
>> I have two possible suggestions for aditional functions and a queery 
>> regarding compiling the source code.
>> First, how about a "Repeat Last Command" function with a time interval 
>> setting.
>> Hence you could have Loadstone repeat your heading, speed, altitude, 
>> latitude/longitude, number of satellites/signal quality etc every few 
>> seconds/minutes. Would be interested to know what other people think of 
>> this.
>> Second, how about a function to calculate the azimuth of the Sun, so this 
>> could be compared with the heading given for a particular checkpoint or 
>> destination?
>> Many times both as a vehicle passenger and while walking, I have used my 
>> knowledge of astronomy to work out approximately where the Sun should be 
>> at a particular time of day and then used this information to determine 
>> whether I was heading in the right direction.
>> The only information necessary to perform this calculation would be the 
>> precise date and time data coming from the satellites which is already 
>> available to Loadstone.
>> Finally, is there a recommended command line compiler for Symbian 
>> Series60 3rd Edition Loadstone?
>> I much prefer programming in Pascal to C, but would be interested in 
>> having a crack at writing my own functions now I have finished my Masters 
>> and have more spare time.
>> Many thanks to the developers of Loadstone and keep up the excellent work 
>> guys.
>> Best regards.
>> Paul Woffenden
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