[Mapguide_users] Import DWG fails

[Andy Morsell]

Brad,
I do not believe that you will see another direct DWG data provider from
Autodesk in the near future.  The DWG provider for MapGuide 6.5 proved that
this kind of direct read against a DWG is in most cases simply too slow.  I
think Autodesk's current solution of using Studio to load the data into
feature or drawing sources is a good one.  The part that needs to be worked
on are tools to do this loading in a more automated, consistent and scripted
fashion so that we can easily keep the MapGuide data in sync with the DWG's.

Regarding feature attributes, if you create feature class definitions in
your DWG files in Autodesk Map, these transfer very nicely into MapGuide
when you load the data as feature sources.  But, this does mean if you just
have object data or database links in your DWG's that you will have to
define feature classes that contain those data definitions.

Andy 

-----Original Message-----
From: mapguide_users-bounces at lists.osgeo.org
[mailto:mapguide_users-bounces at lists.osgeo.org] On Behalf Of BradM
Sent: Monday, January 08, 2007 3:23 PM
To: Mapguide_users at lists.osgeo.org
Subject: RE: [Mapguide_users] Import DWG fails


Andy and Jim: Many municipalities use Autocad and will want to connect
Mapguide to DWG files directly so there is no duplication.  Is there any
plan to rectify this problem?  Feature attributes are critical such as
property id, address etc.
thanks



Andy Morsell wrote:
> 
> There seems to be some major, and known, issues with DETE.  The main 
> problem I have run into is if you try to load a DWG while having it 
> automatically creates feature classes on the fly.  This is where it 
> will often consume all of your memory until it blows up.  One solution 
> is to create feature definitions in the DWG prior, in which case it 
> works very well, but this is not going to always be feasible.  If you 
> have it create drawing sources instead (DWF based layers), it works 
> very well but then you lose the intelligence of having features and 
> their related attribute data.
> 
> 
> Andy Morsell, P.E.
> Spatial Integrators, Inc.
> http://www.SpatialGIS.com
> 
> -----Original Message-----
> From: mapguide_users-bounces at lists.osgeo.org
> [mailto:mapguide_users-bounces at lists.osgeo.org] On Behalf Of Jim 
> O'Leary
> Sent: Monday, January 08, 2007 2:51 PM
> To: Mapguide_users at lists.osgeo.org
> Subject: [Mapguide_users] Import DWG fails
> 
> 
> The Autodesk MapGuide site at
> http://usa.autodesk.com/adsk/servlet/item?siteID=123112&id=7176643
> indicates
> that you can import DWG files. However, when i try to do this with 
> Studio I soon get the error:
> 
> Found when opening C:\Program
> Files\MapGuideOpenSource\Server\cmn\squamish\cadastral.dwg ...
> 
> An error occured.
> 
> If I continue, the DETE.exe process eventually uses up all memory and 
> I must reboot. I'm using MGOS 1.1.0, and am dragging the DWG file into 
> Studio. I am reluctant to try the same with our MGE server, as it 
> would likely bring it down.
> 
> Any suggestions?
> 
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