[Loadstone] Astronomic function parameters.

Shawn Kirkpatrick shawn at loadstone-gps.com
Sun May 11 05:22:36 BST 2008

While you can use the goto function to set the coordinates for the 
astronomic functions this is just an unintended side effect rather than a 
way this should be used.
Every function in the astronomic menu is dependant on time and location.
The displays for the rise and set options could be tweaked to display the 
information for yesterday and today or for today and tomorrow depending on 
time of day. This is one time where it could be useful to know the past 

On Sat, 10 May 2008, Dave Mielke wrote:

> [quoted lines by Shawn Kirkpatrick on 2008/05/10 at 16:59 -0700]
>> I'm not sure how you'd implement this without things becoming rather clunky.
>> If one of the astronomic functions was bound to a key when would the user
>> set the time? The first time the function was used? every time?
> I think a parameters submenu of the astronomic menu, with the setting being
> permanent until its changed, would be fine. That'd be no less clunky then it
> already is to set the latitude and longitude via goto in exploration mode.
>> This might be going a bit beyond the scope of what the program is supposed to
>> do anyway. It makes sence to be able to get information about a current
>> location at the current time but it really isn't designed to be a general
>> purpose astronomic program.
> That's essentially true for calculations which are based on the current time,
> but, for example, as already discussed, it's not very useful to know about past
> events like when sunrise was this morning. Perhaps functions which aren't based
> on the current time should be split and always refer to the next event, e.g.
> have separate functions for sunrise, sunset, moonrise, and moonset, and always
> calculate the next event rather than the potentially past event for the current
> date.
> -- 
> Dave Mielke           | 2213 Fox Crescent | I believe that the Bible is the
> Phone: 1-613-726-0014 | Ottawa, Ontario   | Word of God. Please contact me
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