Anthony J. Kroes Mar 10, 2008
----- Original Message -----
From: "Anthony J. Kroes" <akroes@... <mailto:akroes%40netnet.net> >
To: <guide-user@yahoogroups.com <mailto:guide-user%40yahoogroups.com> >
Sent: Tuesday, March 11, 2008 7:44 AM
Subject: RE: [guide-user] Update progress
> Guide crashes with the 'in testing' version when I try to print, both to a
> real printer and to pdf. When I revert back (reinstall the last update)
> the
> problem fixes itself.
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> Anthony J. Kroes
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> Cedar Drive Observatory
>
> Pulaski, WI
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> From: guide-user@yahoogroups.com <mailto:guide-user%40yahoogroups.com>
[mailto:guide-user@yahoogroups.com <mailto:guide-user%40yahoogroups.com> ]
On
> Behalf Of Bill J Gray
> Sent: Monday, March 10, 2008 4:28 PM
> To: guide-user@yahoogroups.com <mailto:guide-user%40yahoogroups.com>
> Subject: [guide-user] Update progress
>
>
>
> Hi folks,
>
> I'm still collecting bug reports. Once those slow down, I'll
> update the update. Anyone have anything to report?
>
> Some comments about the Vista "no first display" problem, and
> wrong colors for some asteroids and comets, problems with the
> CCD focal length, the trail issue raised by Tiziano Magni, and
> the Great Red Spot longitude (i.e., if these aren't problems for
> you, you can ignore the rest of this message:)
>
> VISTA "NO FIRST DISPLAY" PROBLEM:
>
> Yesterday, I found and fixed this problem (I'm reasonably sure).
> I had thought it was Microsoft's problem, but may have to admit
> that sometimes, I _do_ make mistakes. This one is caused by
> Guide's unusual support for multiple languages: shortly after
> it starts up, it looks to see what language it should use, then
> loads those menus. The re-loaded menus often covered part of the
> chart, causing the entire chart to be redrawn. Rather than have
> this "draw and redraw" at startup, I suppressed the first draw.
>
> Vista is, I think, a little bit more intelligent about all of
> this, and recognized that the redraw wasn't necessary. Since the
> first draw was suppressed, _nothing_ was shown. Now, Guide will
> refuse to draw the chart until the menus are loaded. I think this
> solves the problem, though I'll feel more confident about this
> once several Vista users agree.
>
> ASTEROIDS/COMETS IN WRONG COLOR:
>
> Jari Suomela pointed out (via private e-mail) that certain
> asteroids were being drawn in the wrong color. It turned out that
> they were being shown in the "comet" color, while comets were
> being shown in "asteroid" color. It also turned out to be easy to fix.
>
> CCD FOCAL LENGTH:
>
> Jari Suomela also pointed out that the focal length reported
> in the CCD frame can change a few nanometers when Guide is restarted.
> Still looking into this, though I've a good idea as to what's going
> on and how to fix it.
>
> TRAIL LABELLING ISSUE:
>
> Tiziano, when you first mentioned this issue, I misunderstood
> what was going on. I think I understand it now, and have fixed the
> problem.
>
> The behavior you mention is actually intentional. Suppose you were
> starting a trail at 10:00, and wanted labels every six hours. If the
> labels started at 10:00, then there would be labels at 16:00, 22:00,
> and 4:00. But it would make more sense (usually) to have the labels
> at 0:00, 6:00, 12:00, and 18:00.
>
> The problem is that I extended this idea to the sort of labelling
> you're describing, with labels every five days. In that case, there
> is no reason for the labels not to start where the trail starts, and
> I have made that change.
>
> There is one remaining small issue: right now, the first point
> on the trail is _not_ labelled. I may fix this, but it's possible
> that I will stick with the current "only interior points on the trail
> are labelled" scheme, at least until after the update is posted.
>
> GREAT RED SPOT LONGITUDE:
>
> Jari also noticed my comment about the Great Red Spot longitude.
> Guide now has a table of historical GRS data, in 'grs_lon.txt'. I
> had typed in some values running from 1986 to the present, plus an
> extrapolated value matching the current slow drift of the GRS. Jari
> sent a scan of some data covering 1831 to 1952; this data, plus a
> few data points in the 1960s gleaned from ADS (Astrophysics Data
> Service), will be in the update. If you want to get an advance
> look, download
>
> http://www.projectpluto.com/grs_lon.txt
>
> Data is still very sparse between 1952 and 1986, and there is
> no data before 1831.
>
> -- Bill
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