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List: kstars-devel
Subject: Re: [Kstars-devel] Asteroid Magnitude Bug
From: "Akarsh Simha" <akarshsimha () gmail ! com>
Date: 2007-07-24 19:53:24
Message-ID: c00c02910707241252p22687470l80b51d7c754437d1 () mail ! gmail ! com
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Hi James
One of the bugs we have with asteroids has to do with the limiting magnitude
filter for asteroids. I was just looking at the code trying to figure out
how I should go about enforcing a magnitude filter on the find dialog. I
realised that at some point of time, we may want to implement a magnitude
filter for deepsky objects as well. So, just about every skycomponent should
ideally be magnitude filterable.
Since what you are doing looks similar to this I wanted your inputs on this.
I think it would be best if we could finally achieve something like a
magnitude limit that grows fainter as we zoom in, for then we could include
more exhaustive star and object catalogs.
Thanks.
Regards
Akarsh
On 7/25/07, Akarsh Simha <akarshsimha@gmail.com> wrote:
>
> Hi James
>
> Thanks for the information. I will hold myself from making any changes to
> the skycomponents/ directory till you finish.
>
> Regards
> Akarsh.
>
> On 7/24/07, James Bowlin <bowlin@mindspring.com> wrote:
> >
> > Akarsh,
> >
> > I can't answer you questions but I wanted to let you know that I am
> > making some substantial changes in the skycomponents/ directory in
> > order to add a spatial index to make drawing and finding things much
> > faster. I've already made some changes to AsteroidComponent.
> >
> > Jason should be back from his trip to Australia any day now. I'm
> > working in a separate branch for now and it will be up to Jason
> > to decide when/if my changes get applied to the main branch. If
> > you could hold off for a few days before making changes in the
> > skycomponents/ directory, it might help prevent us from stepping on
> > one another's toes.
> >
> >
> > --
> > Peace, James
> >
> >
> >
> > On Tue July 24 2007 11:14 am, Akarsh Simha wrote:
> > > Hi
> > > I'm sorry I was away from the scenario for quite some time.
> > >
> > > I don't think I as yet have the skill to write an occultations class,
> > so
> > > I had better start off with a few more simple bugfixes. Are there any
> > > that I can work on?
> > >
> > > I've noticed that there's a bug in calculating the magnitudes of
> > > asteroids and several asteroids are reported well brighter than Mag
> > 10,
> > > while the SB What's Observable site shows only a handful. What is the
> > > possible problem? (I had mentioned this earlier here as well)
> > >
> > > Thanks.
>
>
[Attachment #5 (text/html)]
Hi James<br><br>One of the bugs we have with asteroids has to do with the limiting \
magnitude filter for asteroids. I was just looking at the code trying to figure out \
how I should go about enforcing a magnitude filter on the find dialog. I realised \
that at some point of time, we may want to implement a magnitude filter for deepsky \
objects as well. So, just about every skycomponent should ideally be magnitude \
filterable. <br><br>Since what you are doing looks similar to this I wanted your \
inputs on this. I think it would be best if we could finally achieve something like a \
magnitude limit that grows fainter as we zoom in, for then we could include more \
exhaustive star and object catalogs. \
<br><br>Thanks.<br><br>Regards<br>Akarsh<br><br><div><span class="gmail_quote">On \
7/25/07, <b class="gmail_sendername">Akarsh Simha</b> <<a \
href="mailto:akarshsimha@gmail.com">akarshsimha@gmail.com</a>> wrote:</span> \
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); \
margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi James<br><br>Thanks for the \
information. I will hold myself from making any changes to the skycomponents/ \
directory till you finish. <br><br>Regards<br><span \
class="sg">Akarsh.</span><div><span class="e" \
id="q_113f9aa404ab6468_2"><br><br><div><span class="gmail_quote">On 7/24/07, <b \
class="gmail_sendername"> James Bowlin</b> <<a href="mailto:bowlin@mindspring.com" \
target="_blank" onclick="return \
top.js.OpenExtLink(window,event,this)">bowlin@mindspring.com</a>> \
wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, \
204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Akarsh,<br><br>I can't answer you questions but I wanted to let you know that I \
am<br>making some substantial changes in the skycomponents/ directory in<br>order to \
add a spatial index to make drawing and finding things much \
<br>faster. I've already made some changes to \
AsteroidComponent.<br><br>Jason should be back from his trip to Australia any day \
now. I'm<br>working in a separate branch for now and it will be up to \
Jason<br>to decide when/if my changes get applied to the main branch. If \
<br>you could hold off for a few days before making changes in the<br>skycomponents/ \
directory, it might help prevent us from stepping on<br>one another's \
toes.<br><br><br>--<br>Peace, James<br><br><br><br>On Tue July 24 2007 11:14 am, \
Akarsh Simha wrote: <br>> Hi<br>> I'm sorry I was away from the scenario \
for quite some time.<br>><br>> I don't think I as yet have the skill to \
write an occultations class, so<br>> I had better start off with a few more simple \
bugfixes. Are there any <br>> that I can work on?<br>><br>> I've noticed \
that there's a bug in calculating the magnitudes of<br>> asteroids and several \
asteroids are reported well brighter than Mag 10,<br>> while the SB What's \
Observable site shows only a handful. What is the <br>> possible problem? (I had \
mentioned this earlier here as well)<br>><br>> Thanks.</blockquote></div> \
</span></div></blockquote></div>
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