Re: [nbos] [AS] Sector Generation
"Cam Kirmser"
Tue Jul 7th, 2009
----- Original Message -----
=================================
From: Eric Schulte
To: nbossoftware-at-nbos.com
Sent: Tuesday, July 07, 2009 3:06 PM
Subject: Re: [nbos] [AS] Sector Generation


For the rather technically inept among us (me) can you elaborate on the
process of creating the stars you need? Can you assign the star type in
access? I'm thinking this may make the generation of 'space opera' highly
hospitable / terraformed universes easier..
=================================

Well, for local stars, I have a star catalog called 'HYG.' I also have the
Hipparcos set, but that's a tiny bit smaller than the HYG. Also, the
Hipparcos provides only RA and Declination, whereas the HYG set has the data
already translated from polar to rectangular coords along with the proper
motion data as annual vectors applied to each axis.

I've imported each set to Access as tables and I just make a query set up in
AS's format - found from the import section of the help file - and fill in
the blanks. Using the query, I can also adjust each star for its true
location, not its perceived location. This is important for a map, since not
all the action is on Earth.

For the star type - assuming you mean like A2V, G4III, etc. - I've written a
routine that uses the star generation tables from Traveller in VBasic and
included this as a module in Access.

This works fine for systems local to Sol - I think within 1000 ly, if I
recall correctly - but the data leaves off some stars; typically those of
high magnitudes and I think they leave off O and B class stars, too.

But, if I want stars further out, I need a routine to create them and -
hopefully - place them in realistic, though fictional, locations. An earlier
response made me consider that any placement routine would probable suffice,
given the scales used, so this may not be a problem anymore.

If you - or anyone else - have any other questions, let me know and I'll do
my best to answer them.

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