Re: [guide-user] GSC-2.2 failures

Following these instructions the GSC2.2 feature works fine. The problem is that there are incorrect versions of GSC22.EXE and GSC22.DAT included in the Guide7 upgrade file so, if you reverse the order of unzipping, you cannot make the GSC downloading work. It is necessary to unzip GSC22.ZIP only after unzipping GUIDE7.ZIP (of course the best solution would be changing the bad files in GUIDE7.ZIP).

Thank you Bill for improving Guide so oftenly, we're never bored of using it!

----- Original Message -----
From: Bill J. Gray
To: guide-user@yahoogroups.com
Sent: Sábado, 23 de Junio de 2001 07:58 p.m.
Subject: [guide-user] GSC-2.2 failures

Hi folks, So far, I've had one reply saying "the GSC-2.2 feature works just fine" and two saying "no, it doesn't." More replies may help me figure this one out. To get it to work, you should get _both_ the Guide 7 update software I mentioned originally (if you click on "Help... About Guide" and get the message "You are running the 20 June 2001 version", you're all set), plus the gsc22.zip file I added a day or two later: http://www.projectpluto.com/gsc22.zip If, despite these, you're still not getting GSC-2.2 data, check some of the following: (1) GSC22.EXE grabs the data and stores the raw bytes in a file called TEMP.DAT. Do you have that file? It's a text file; does it contain meaningful data? (2) GSC22.EXE next takes the data from TEMP.DAT and reformats it, appending it to GSC22.DAT. (It has to do this because the raw data from the STScI server is in a somewhat odd format, as astronomical datasets go.) Does GSC22.DAT look reasonable? (3) Take a look at "Extras... Toggle User-Added Datasets". The dataset "GSC-2.2 data (as ellipses)" should be turned on (asterisk next to it). The dataset "GSC-2.2 data (as stars)" shouldn't be on by default. (4) GSC22.EXE is a Windows console app, which unfortunately means it can crash without anyone ever seeing an error message. To duck around this, go to a DOS prompt, change to the Guide directory, and try running GSC22. Do it that way, and you _will_ see an error message. (If it works properly, you'll get a statement describing the command line arguments it usually accepts.) (5) A final warning: Don't click the '22' button unless you're zoomed in to a field of a few arcminutes (smaller than that near the Milky Way, larger far away from it). GSC-2.2 is a _very_ detailed dataset. Somewhere in the above, we ought to find some sort of answer... please let me know what you find! Thanks! -- Bill

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