Re: [Gpredict-discussion] ISS trail

[Andrew R. <vk...@te...>]

BTW

I have tried many Sat tracking programs and gpredict is the best by far

I love it

Only thing lacking now is a LAT LON stream from an object so I can do APRS 
object paints !!

Something like

UDP

ISS,-33.34334,153.003993
ISS,-33.34334,153.003993
ISS,-33.34334,153.003993
ISS,-33.34334,153.003993
ISS,-33.34334,153.003993

or even add elev and azim

ISS,-33.34334,153.003993,34,123
ISS,-33.34334,153.003993,34,124
ISS,-33.34334,153.003993,34,125
ISS,-33.34334,153.003993,34,126
ISS,-33.34334,153.003993,34,127

- Andrew -
----- Original Message ----- 
From: "Andrew Rich" <vk...@te...>
To: "Charles Suprin" <ham...@gm...>
Cc: <gpr...@li...>
Sent: Sunday, March 27, 2011 2:33 AM
Subject: Re: [Gpredict-discussion] ISS trail


> Charles
>
> I will try and describe it - bear with me
>
> What I am seeing is that an orbit is shown in full
>
> The object on the screen traces out the orbit.
>
> The next orbit is only drawn when the object hits the "end" of the tail of
> the currently displayed orbit.
>
> The orbit line does not "move" in time with the object.
>
> Can you code it so that the orbit line always has the object in the middle
> of the orbit line ?
>
> This is how it is now in map view
>
> ------O-----------------------------------------
>
> ----------------O-------------------------------
>
> -----------------------------------O------------
>
> --------------------------------------------O---
>
> Then a new orbit is drawn.
>
> What I would like is
>
> -------------------O----------------------------
>
>
>                      -------------------O----------------------------
>
>
>
>                                           -------------------O----------------------------
>
>
> See how the orbit line progresses forward with the object ?
>
> Go forward and back wards in real time with the object
>
> Make the orbit line "snake" across with the object as it moves
>
> I guess the code would be
>
> 1. Work out half an orbit forward and draw line
> 2. Work out half an orbit behind and draw line
>
> BUT update it real time with the object
>
> Don't wait till she hits the "end" of the orbit to draw the line again
>
> - Andrew -
>
>
>
> ----- Original Message ----- 
> From: "Charles Suprin" <ham...@gm...>
> To: "Andrew Rich" <vk...@te...>
> Cc: <gpr...@li...>
> Sent: Sunday, March 27, 2011 2:02 AM
> Subject: Re: [Gpredict-discussion] ISS trail
>
>
> Andrew,
>
> I am not sure what you are saying.  Do you not like the results when
> running two orbits?  Do you not want to run two orbits?
>
> The existing code is basically as follows: The current orbit is always
> displayed in full.  Then the number of orbit-1 future orbits are
> displayed in full.
>
> Can you describe what you would like to see?
>
> Charles
>
> On Sat, Mar 26, 2011 at 11:50 AM, Andrew Rich <vk...@te...>
> wrote:
>> Bummer
>>
>> I run just one orbit trail
>>
>>
>> ----- Original Message ----- From: "Charles Suprin" <ham...@gm...>
>> To: "Andrew Rich" <vk...@te...>
>> Cc: <gpr...@li...>
>> Sent: Saturday, March 26, 2011 10:10 PM
>> Subject: Re: [Gpredict-discussion] ISS trail
>>
>>
>>> Andrew,
>>>
>>> One thing you can do is to have gpredict plot more than a single
>>> orbit. This is changed towards the bottom of the mapview properties
>>> dialog. The track will update on an orbit boundary.
>>>
>>> Charles
>>>
>>> On Sat, Mar 26, 2011 at 2:27 AM, Andrew Rich <vk...@te...>
>>> wrote:
>>>>
>>>> Is there a way to get the trail to update earlier than when the ISS
>>>> object hits the end of the orbt in map view ?
>>>>
>>>> The line is "stale" until it hits the end of the current orbit
>>>>
>>>> - Andrew -
>>>>
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>>
>
>
> ------------------------------------------------------------------------------
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