Hi,

> 1) I'm OK developing in VB6 or VB.Net but I don't know any Delphi. Is 
> Delphi easy to learn, bearing in mind that I'd intend to learn it 
> whilst I'm customising the v3 beta code to suit my own needs?

Yes, Delphi is easy to learn. But it may be good to start with a small
project to become familiar before to plunge to my code :-) 

> 2) Delphi v6 or v7? - which one will work best with the latest CdC v3 
> beta?

I use the free D6 personal. There is a download link in the V3 web
page http://www.ap-i.net/skychart
But if you own D7 it must be ok.
D8 do not work, it is only for .Net project.
I will try the new Delphi 2005 soon.

> 3) Use of MySQL - does this mean that CdC v3+ will make greater use 
> of DBMS features, and if so, what CdC functions are likely to be 
> database-based?

At the moment this is only to store the asteroid and comet elements.
This is necessary for the big number of asteroid we know today.
I will probably also use the database for images index but this is to
be writen.
For the main catalog I find the binary files more efficient. 

> 4) MySql v4.1 or MaxDB? anyone any thoughts on which is more suitable 
> for CdC?

MySQL v4 work fine for us. MaxDB is for >100GB database running on big
server. 
You must use a client dll that is compatible with the compiled cdc
version: 4.0.16.
SQLite is also an option, this may require vey few change to the
program code.

Patrick






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