[mapguide-users] Re: Access and Mapguide

Andrew DeMerchant andrew.demerchant at gemtec.ca
Thu Aug 3 09:39:02 EDT 2006


Good to hear that you figured that out....not a good solution for my 
case though, since my key isn't a number (it's alphanumeric). I still 
haven't played with it yet though.....I'm in no rush because as you'll 
likely find out, a point layer from an Access database is pretty slow. I 
ended up getting fed up with the speed and just made a shape file from 
my database and used that. I'm guessing that linking my other data to 
that shape file will be re-introducing that poor performance, so that's 
why I haven't been really focusing on that just yet.
I can definately verify that doubles work though. That's what mine are, 
and I got it working (though, like I said, it's pretty slow for me). 
There was a thread on here a few days ago about this....someone was 
having problems, and for them, it was because of regional settings in 
windows (though, changing the regional settings didn't matter...they had 
to edit a file or something to make it work). If you're in North America 
though, that shouldn't be the problem.

Andrew

Jean-François Laflèche wrote:

> I have found a solution to this problem!  It seems that the best way 
> to join an access database to an sdf file is by joining a key auto 
> number (long interger type) column from the database, to the 
> corresponding key field from the sdf.  I hope this will work for 
> others and will help out all those that have come accross the same 
> problem.
>  
> However, it would be too great if all my problems were solved.  The 
> problem that I've come accross this time is when trying to create a 
> point layer using both a feature class and the geometry from an access 
> database.  I suspect the problem to be purely in terms of the format 
> used for the coordinates (I use double, as the samples seem to use 
> this as well).  However, nothing shows up.  If anyone knows how to do 
> this, it would be greatly appreciated!  thank you
>  
> JF


-- 
	*Andrew DeMerchant*
*Computer Technologist*
ph.1-877-4GEMTEC x.163
fax 506-453-9470

/GEMTEC Limited <http://www.gemtec.ca>
/191 Doak Road
Fredericton, NB, Canada
E3C 2E6

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