[mapguide-users] RE: ODBC problem...

[Andy Morsell]

Thanks for the clarification Dave.  I hadn't even looked at my spatial
datasource to notice that there is now a Join portion of the dialog at that
level.  I was thinking the join was only defined from the tabular
datasource.  Now that I have set it up there (pretty much using the same
steps I previously outlined) it is working fine.  I can display my parcel
polygons with tooltips and properties derived from the secondary Access
database.
 
It is a little confusing that it can be done the other way around and that a
layer can be seemingly created from that while choosing the geometry feature
from the secondary datasource.  That process should probably be changed in
Studio to prevent that from happening.
 
I'm still having problems with point data from an ODBC resource, but will do
some more experimenting later.

Andy 


  _____  

From: Dave Wilson [mailto:dave.wilson at autodesk.com] 
Sent: Wednesday, April 19, 2006 7:26 AM
To: users at mapguide.osgeo.org
Subject: RE: [mapguide-users] RE: ODBC problem...


Am I correct in understanding you are using the spatial resource as the
Secondary resource? The Spatial resource needs to be the primary resource if
this is what the layer is to be based on. The join is generally for
attaching attribute data to spatial data such as adding properties from an
Access table to an SDF.
 
Point data from an ODBC resource should also work as a primary resource.
 
Dave Wilson

  _____  

From: Andy Morsell [mailto:amorsell at spatialgis.com] 
Sent: Tuesday, April 18, 2006 6:22 PM
To: users at mapguide.osgeo.org
Subject: RE: [mapguide-users] RE: ODBC problem...



Here are the steps I took to create the join.  Note that I wasn't able to do
with anything with the join in terms of creating a layer from it, however.

*	Once your datasource is setup and you can see the tables listed in
the Refine Data Setup area, click the New Extended Feature Class button.  

*	Choose your other datasource in the repository that you are
connecting to 

*	Choose the Primary Feature class (table) 

*	Click on your New Join below the Extension you just created 

*	You will most likely only have one option for the Secondary class
(table) 

*	Select your Primary Column and Secondary Column fields.  These are
the key fields tying together your primary (tabular) and secondary (spatial)
datasources. 


If you get this far, please let us know if you can successfully create a
layer where you can view the resultant objects.  I also tried creating a
layer from X and Y points in a table from this database and, again, was not
able to view the resultant geometry.


Andy Morsell 

-----Original Message----- 
From: Thud732 [ <mailto:devlin.fung at sapience360.com>
mailto:devlin.fung at sapience360.com] 
Sent: Tuesday, April 18, 2006 4:30 PM 
To: users at mapguide.osgeo.org 
Subject: [mapguide-users] RE: ODBC problem... 


Hi Andy: 

Can you please outline your 'join connection' steps? I was able to establish
a successful test connection, but failed when joining.

Thank you. 
TC 
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