Roger Pickard Mar 9, 2007
----- Original Message -----
From: "duble.stars" <duble.stars@...>
To: <guide-user@yahoogroups.com>
Sent: Sunday, March 04, 2007 6:56 PM
Subject: [guide-user] Re: A kludge enabling internet download &
display of SDSS data release 4 in Guid
>
> Alrighty...
>
> I'm running Jan 2006 Guide 8... ...actually I think it's a slightly
> later one that didn't have it's date changed, probably April 2006.
>
> The coords you note below are for stuff in the provided sdssdr4 data
> file, which I supplied for merely testing the TDF, consisiting of a
> small subset of data in a small region. You've triangled the stars,
> but that's all the same thing.
>
> If you've got s.exe in the right place, and the batch file has run,
it
> should work.
>
> Incidentally, if you've got a large field selected it won't work, as
> you'll be trying to download millions of stars. I forgot to
mention,
> probably best to stick to fields of one degree or so across or
> smaller, although fields of less than half an arcmin don't always
work
> for some reason.
>
> What you can do is backup the gsc22.exe in the Guide directory to
> gsc22.bak, copy s.exe to the Guide directory, and rename it to
gsc22.exe.
>
> You see, if the original gsc22.exe is still there, and has not been
> replaced by s.exe, coz the batch file ain't executed properly, then
> you are merely downloading ucac2 stars, and if your north of 40+
> degrees, you ain't downloading a thing.
>
> So, that's the first test.
>
> I've never bothered proffering this before because of the problem of
> switching gsc22.exe files in a simple way for nonDOS systems or
those
> nonfamiliar with dos systems.
>
> s.exe is based on an old gsc22.exe, by the way, and not the later
> versions, but should still run with Guide 8, as the upgrade of Guide
8
> I'm using came with a later download progress bar happy version and
I
> fell out with said, so went back to old gsc22.exe.
>
> In fact, now that I think about it, this is the problem for you,
> you're getting a dialogue box telling you stuff is (not)
downloading.
> That shouldn't be happening, so s.exe has not replaced default
> gsc22.exe in the Guide directory.
>
> Either you can't run dos boxes on your setup, or .bat files are not
> allowed to execute, so basically you've to copy s.exe to the Guide
> directory, and rename it to gsc22.exe, and run Guide again. I know
> not of XP and DOS, I have heard vista don't have it, but that's its
> problem, not mine.
>
> Ensure you always have a copy of your original gsc22.exe in the
utils
> directory, or elsewhere, so you can readily copy it back to the
Guide
> 8 directory, but it looks likely that in your case you'll have to
> delete gsc22.exe from the guide directory, copy s.exe to the guide
> directory, then rename to gsc22.exe, when you want sdss stuff, and
> then copy original gsc22.exe over that new gsc22.exe to return to
> normal, which is neither elegant nor fun, but it should work. You
may
> or may not have to relaunch Guide, shouldn't have to though.
>
> Yeh, that should do it.
>
> Famous last words...
>
>
> Other oddies and soddies : the data is returned to the file
sdssdr4,
> and added to anything already in that file, so said will grow, but
is
> editable via ascii editor, so bits can be deleted, as the data is
laid
> down in a row per object format.
>
> SDSSdr4.tdf is a standard tdf, if the sdss data is there for a
region,
> you should be able to GO TO TDF SDSSdr4 then enter
J172644.63+583745.8
> and it'll go to it, but this is so similar to GO TO RA
> 172644.63+583745.8, which'll also go there, I don't bother with it
> personally.
>
> There is no sdss.dat, there's 180+ million of these things according
> to vizier, that why download of needed bits from internet seemed
like
> a useful option.
>
> Oh, I think I've misunderstood you. You want to know a region SDSS
> data will be available in.
>
> GO TO BZ UMa, that's a field that's definitely in the SDSS data
> release 4 region, so you can test downloading of stuff for that
> region. If you end up downloading 'em mulitple times just either
edit
> or delete the sdssdr4 datafile.
>
> Here's their reference coverage map for date release 4 (the RA is in
> decimal degrees, looks to be about 8h to 18h, note also varying
> declinatin coverage) :-
>
> http://www.sdss.org/dr4/dr4photo_big.gif
>
> Cheers
>
> John
>
>
>
> --- In guide-user@yahoogroups.com, "Roger Pickard" <rdp@...> wrote:
> >
> > Hi John,
> > Nearly, but not quite there.
> > I followed the procedure easily enough and went to GO TO RA
> > 172644.63+583745.8 (although you don't mention this again).
However,
> > there was a little star at the right position. Note I say star.
I
> > had to change the
> > type 6 as follows to show a triangle (not sure which of the "type"
> > lines I needed so copied over both from another tdf!
> > # type 6
> > type sC00fcfc;e0,0,12;
> > type sc5;e0,0,10,c15
> >
> > However, I go to the location of another SDSS star and hit the
SDSS
> > toolbar and the info says some small file is being downloaded but
> > nothing appears - even at mag 23!
> >
> > I'm running XP BTW.
> >
> > Assuming it's something silly on my part what about a SDSS.dat
star so
> > that you can go to any chosen such star?
> >
> > Cheers,
> > Roger
> >
> >
> >
> > ----- Original Message -----
> > From: "duble.stars" <duble.stars@...>
> > To: <guide-user@yahoogroups.com>
> > Sent: Saturday, March 03, 2007 1:17 PM
> > Subject: [guide-user] A kludge enabling internet download &
display of
> > SDSS data release 4 in Guide 8
> >
> >
> > >
> > > This is not for the faint hearted, so any doubts whatsoever do
not
> > > even attempt it.
> > >
> > > It is actually quite simple and straightforward, but if you
don't
> > > understand it it's likely best not to try it.
> > >
> > > Now, this past couple of days VizieR has upgraded the SDSS data
> > > release 3 photometric catalogue to data release 4, dr 4.
> > >
> > > This will show a way of downloading and displaying these
objects,
> > the
> > > display giving the SDSS magnitudes, their errors, positional
> > > information, date of observation, a link to a more in depth page
on
> > > the SDSS server, inclusive of an image, and the automatically
> > > estimated type of object.
> > >
> > > First you need to download sdss.zip from the Guide-user yahoo
groups
> > > file section http://tech.groups.yahoo.com/group/guide-user/files
,
> > > it's been successfully passed on a virus test this end, but feel
> > free
> > > to test it again.
> > >
> > > Now to the procedure :-
> > >
> > > [Note that if any of this goes wrong, simply reinstalling the
latest
> > > Guide 8 update you are using from Guide8.zip will fix all and
return
> > > things back to as was.]
> > >
> > >
> > > Find gsc22.exe in your Guide directory and _copy_ it to the
UTILS
> > > subdirectory that lies within the Guide directory. It is
important
> > to
> > > ensure you do not move it, you need to have gsc22.exe existing
in
> > both
> > > the GUIDE directory and the GUIDE/UTILS directory. Think of it
as
> > > your backup of gsc22.exe.
> > >
> > > Copy s.exe to this UTILS directory.
> > >
> > > Copy sdssdr4.tdf to the Guide 8 directory.
> > >
> > > Copy sdss.bmp to the Guide 8 directory.
> > >
> > > sdssdr4 can be copied to the Guide 8 directory or not, it is
merely
> > > some predownloaded data for testing the TDF and is not
essential.
> > > Future downloaded data files will be appended to this file, but
if
> > it
> > > does not exist a new one should be made. However, if that
doesn't
> > > happen for whatever reason, including this file will give
further
> > > downloads something to append to. GO TO RA 172644.63+583745.8
to
> > > test, clicking on coloured stars
> > >
> > > Now to make some dos batch files, this is simple enough, and
works
> > on
> > > my machine using win2k. Whether it works in ME or XP I don't
know,
> > > but it should work in any Windows flavour that is capable of
> > launching
> > > a dos box. The batch files will be accessed via
> > >
> > > START in bottom left of screen, normally, far left of Task Bar
> > >
> > > RUN
> > >
> > > In RUN entering s in the dialogue box and pressing okay will
turn on
> > > SDSS download, entering g will put things back to default.
> > >
> > > Open Notepad
> > >
> > > enter the following lines, adapted for your computer
> > >
> > > @echo off
> > > copy d:\fullpath\guide\utils\s.exe d:\fullpath\guide\gsc22.exe
> > >
> > > if you store guide in a drive different from D:, edit
accordingly,
> > and
> > > replace the words "fullpath" with the full file path to your
Guide
> > > directory.
> > >
> > > The simplest version would be c:\guide\gsc22.exe for example for
> > > someone who has isntalled Guide directly to drive C:
> > >
> > > Save those two lines as a file named s.bat in your Windows
> > directory!
> > >
> > > That'll be in c:\windows or c:\winnt or similar. It can
> > alternatively
> > > be saved in the system32 directory. Basically any directory
that is
> > > listed in the system variables' path will suffice for those in
the
> > > know, otherwise just do the above.
> > >
> > > Do all the above with a second file except in Notepad type
> > >
> > > @echo off
> > > copy d:\astro\guide\utils\gsc22.exe d:\astro\guide\gsc22.exe
> > >
> > > and save it as g.bat in the windows or other appropriate
directory.
> > >
> > > Now to edit TOOLBAR.dat. You may wish to make a copy of this
and
> > call
> > > it toolbar.bak first, however it is usually replaced with Guide
8
> > > upgrade zipfiles anyway, so recoverable. Unless, of course, you
> > keep
> > > a personally modified version, then back it up.
> > >
> > > At the top of Toolbar.dat is a number. In your text editor,
> > possibly
> > > notepad will suffice, increment this number by 1. ie if it says
> > 0304
> > > change it to 0305.
> > >
> > > You can add the following line anywhere, but if you add it near
> > other
> > > internet download toolbar buttons it'll be easier to find in
future.
> > >
> > > So, in notepad for example, EDIT->FIND usno.bmp or gsc22.bmp or
> > similar.
> > >
> > > Insert a line and add in this line
> > >
> > > 2550 !sdss.bmp SDSS data via Internet
> > >
> > > such that the local arrear of this list now looks something
similar
> > to
> > > this
> > >
> > > # 2161 !rs.bmp RealSky image
> > > # 2119 !dss.bmp DSS image
> > > # 2378 !gsc22.bmp GSC 2.2 data via Internet
> > > # 2410 !web_dss.bmp Grab DSS image via Internet
> > > # 2411 !web_a20.bmp A2.0 data via Internet
> > > 2550 !sdss.bmp SDSS data via Internet
> > > 2457 !usno.bmp B1.0 data via Internet
> > > 2458 !2mass.bmp 2MASS data via Internet
> > > # 2413 !a10.bmp Get A1.0 data from CD-ROM
> > > # 2414 !a10.bmp Get A2.0 data from CD-ROM
> > >
> > >
> > > You will likely also have an UCAC2 data via Internet link, which
I
> > > have removed.
> > >
> > > Save toolbar.dat
> > >
> > > Basically this simply works because s.exe is a version of
gsc22.exe
> > > which has been hex edited to get sdss dr 4 data from vizier
instead
> > of
> > > getting ucac2 data from vizier.
> > >
> > > OPERATION
> > >
> > > Guide will now have an SDSS toolbar button, possibly also an
ucac2
> > one
> > > depending on personal preference.
> > >
> > > When s.bat is run by using START->RUN->s the file s.exe copies
over
> > > gsc22.exe such that when the SDSS toolbar button is pressed SDSS
> > data
> > > release 4 data is returned via VizieR. Incidentally, SDSS data
> > > release 4 data will also be returned if the UCAC2 button is
pressed
> > in
> > > this cirumstance. This is a dirty little kludge and simply
replaces
> > > the ucac2 fetch with an sdss fetch. There is no download
progress
> > box
> > > for SDSS retrieval, incidentally.
> > >
> > > To return Guide 8 to UCAC2 download simply use START->RUN->g
which
> > > copies the default gsc22.exe stored in the UTILS directory back
into
> > > the Guide directory and returns the normal situation. Again, in
> > this
> > > situation pressing on the SDSS button returns UCAC2 data as does
> > > pressing on the UCAC2 button. The 2550 tells you that in
> > toolbar.dat
> > >
> > > This is a _kludge_, not a fix or addition.
> > >
> > > The SDSS data is returned as coloured stars where g' and r' are
> > > interpreted as B and R using "photo" in the TDF as this seems to
> > give
> > > the most accurate matches. The stars are plotted to the r', or
red,
> > > mag. Right click gives mag info and object type and more info
> > > additionally errors on mag and date when imaged and a link to
the
> > SDSS
> > > data release 5 summary page and image for that star at the SDSS
> > webserver.
> > >
> > > SDSS data fills half the northern sky, plus an near complete
> > > equatorial strip, is good between mags about 15 and 20+, and is
of
> > > decent astrometry, and better than USNO B1.0, so makes a nice
> > > complement to UCAC2 where it is available, but avoids dense star
> > > regions so lies mainly away from the Milky Way.
> > >
> > > High quality V can be calculated for good g' and r' values using
> > >
> > > V = r' + 0.44*(g'-r') - 0.02
> > >
> > > for stars that are not too red.
> > >
> > >
> > > Again, if you can see a need for this, try it, if it works,
fine, if
> > > not reinstall your personal latest upgrade file and ignore.
> > Therefore
> > > there must be a willingness and ability to reinstall the latest
> > > upgrade file the user is using before any attempt is made to try
> > this,
> > > ie it's the users own responsibility, it's a kludge, if it
doesn't
> > > work you've to be aware of how to return to where you were.
> > >
> > > On the other hand, it's simple and straightforward enough, if a
> > little
> > > fiddly, and it works a doddle, I've been using it ages (albeit
with
> > > vizier SDSS data release 3 until the data release 4 upgrade
> > yesterday).
> > >
> > > Finally, for those who can hex edit files, you could replace the
> > sdss
> > > vizier url, and download file name (sdssdr4), in s.exe with any
> > other
> > > vizier list, such as DENIS or CMC14, easily enough, but you'll
have
> > to
> > > write a TDF to plot up the downloaded datafile in Guide and
create a
> > > .bmp file for the toolbar using 2550 as anchor, but most of the
rest
> > > of the above will be just the same, though s.bat and s.exe will
no
> > > longer be mnemonic, of course.
> > >
> > > Cheers
> > >
> > > John
> > >
> > >
> > >
> > >
> > >
> > >
> > >
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