[fdo-users] Fwd: [mapguide-users] Re: How to render MgMultiGeometry
zac.spitzer at ennoble.com.au
Tue Jun 1 10:43:43 EDT 2010
looks like there is a silent fail and potential dataloss problem here
---------- Forwarded message ----------
From: Jonio, Dennis (Aviation) <DJonio at miami-airport.com>
Date: 1 June 2010 23:15
Subject: RE: [mapguide-users] Re: How to render MgMultiGeometry
To: MapGuide Users Mail List <mapguide-users at lists.osgeo.org>
I did do just a bit more research. Yes, you dialoged on the issue back
in Dec. 2007 and it looks to me that the _issue_ has gotten worse or, at
best, stayed the same.
>From the FDO API reference:
The FdoIMultiGeometry class is a heterogeneous MultiGeometry type.
>From the MapGuide API Reference:
An MgMultiGeometry is a heterogeneous aggregate of one or more
I went ahead and tested the homogeneous _multi_geometry types with the
SDF and KingOra providers, both seem to work well with all of the types.
As far as heterogeneous geometry objects(point,line), (line,surface) go,
as I noted earlier, KingOra adds the record but with a null geometry
column. SDF does not even add the record. No error in the logs. Looks
like Gunter is outa' luck.
For my part I am not going to pursue the issue since we have no real
practical use for those types of collections but I can envision them
being useful for some.
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