AW: [mapguide-users] Bad Performance using dwf Files

Wed Jun 13 11:26:13 EDT 2007

I guess I'm not sure what is going on then.  In my experience, what I
describe below has greatly increased performance.  I am certain that the
fact that you have 1000 block definitions in your DWG is causing the slow
load time as it builds the symbol library.  It is too bad that you will have
to wait until the next release of Studio to get around this problem.   

Andy 

-----Original Message-----
From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Stephan HOLLAUS
Sent: Wednesday, June 13, 2007 8:21 AM
To: MapGuide Users Mail List
Subject: AW: AW: [mapguide-users] Bad Performance using dwf Files

The dwg is ~18Mb and contains over 1000 Blocks.
Optimization via Layer doesn't make Performance much better, because 1
single Layer is still very slow.

mfg Stephan Hollaus

Ingenieur Studio Hollaus

Tel.:   +43 664 3387158
Fax.:  +43 664 77 3387159
www: http://www.hollaus.at

Brandströmgasse 10
3100 St. Pölten
V55BCPWP

-----Ursprüngliche Nachricht-----
Von: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] Im Auftrag von Andy Morsell
Gesendet: Mittwoch, 13. Juni 2007 17:15
An: 'MapGuide Users Mail List'
Betreff: RE: AW: [mapguide-users] Bad Performance using dwf Files

When you load DWG's through Studio, it is actually creating one or more DWF
files in the repository.  If you tell it to load as Drawing source (as
opposed to Feature source which converts everything into SDF files) and then
be sure to check the Separate into multiple resources, you will end up with
individual DWF files per DWG layer.  By doing this, you will have much more
control as to what layers are visible in the map so you should be able to
optimize.  

Your DWG load should not take 2 hours.  How big is the file?  You may want
to contact Autodesk product support about this since this is abnormal.  What
can really slow it down is if there are a lot of blocks in the DWG as it by
default tries to convert them all into a MapGuide symbol library.  I am
using Studio 2008 beta and this step is now optional, so that is good news
for the next release.

Andy 

-----Original Message-----
From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Stephan HOLLAUS
Sent: Tuesday, June 12, 2007 11:31 PM
To: MapGuide Users Mail List
Subject: AW: AW: [mapguide-users] Bad Performance using dwf Files

I've tried the dwg Import now. 
First Problem is, that it is very slow (>2 hours) And Performance isn't
better than with the dwf data.

mfg Stephan Hollaus

Ingenieur Studio Hollaus

Tel.:   +43 664 3387158
Fax.:  +43 664 77 3387159
www: http://www.hollaus.at

Brandströmgasse 10
3100 St. Pölten
V55BCPWP

-----Ursprüngliche Nachricht-----
Von: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] Im Auftrag von Andy Morsell
Gesendet: Dienstag, 12. Juni 2007 17:53
An: 'MapGuide Users Mail List'
Betreff: RE: AW: [mapguide-users] Bad Performance using dwf Files

Be sure to report the Studio problems directly to Autodesk so they know
there is a problem......... 

Andy 

-----Original Message-----
From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Stephan HOLLAUS
Sent: Tuesday, June 12, 2007 8:51 AM
To: MapGuide Users Mail List
Subject: AW: AW: [mapguide-users] Bad Performance using dwf Files

Thx. But Mapguide Studio Help says, that dwg Import has big Problems with
Solid Hatches and Blocks. So I have to use dwf and there is no possibility
to split the Layers in dwf Input.

mfg Stephan Hollaus

Ingenieur Studio Hollaus

Tel.:   +43 664 3387158
Fax.:  +43 664 77 3387159
www: http://www.hollaus.at

Brandströmgasse 10
3100 St. Pölten
V55BCPWP
-----Ursprüngliche Nachricht-----
Von: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] Im Auftrag von Andy Morsell
Gesendet: Dienstag, 12. Juni 2007 17:32
An: 'MapGuide Users Mail List'
Betreff: RE: AW: [mapguide-users] Bad Performance using dwf Files

I agree, to maintain the graphic fidelity of many things in a DWG file, such
as blocks, hatches, dimensioning and so on, DWF is the best format.  The
slowness you are seeing is attributed to the DWF file having to be accessed
multiple times by multiple MapGuide layers and has been a performance issue
for quite some time, including the older MG6.5 DWF data provider.  It
appears that caching for DWF is not efficiently done. 

The single best thing you can do to increase performance is to split up your
DWF's by layer.  This is easy to do if you use Autodesk Studio to import
(load procedure) your DWG file as MapGuide drawing source data and choose to
have it create one drawing source per layer.  

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 Stephan HOLLAUS
Sent: Tuesday, June 12, 2007 3:50 AM
To: MapGuide Users Mail List
Subject: AW: AW: [mapguide-users] Bad Performance using dwf Files

Ok. But in Shape are only the Polygons/Lines/Points which i could use for
feature classes. But I'm searching for I solution for the
Visualisation.(With many blocks, hatches, User defined Linetypes, offestted
outlines...)

mfg Stephan Hollaus

Ingenieur Studio Hollaus

Tel.:   +43 664 3387158
Fax.:  +43 664 77 3387159
www: http://www.hollaus.at

Brandströmgasse 10
3100 St. Pölten
V55BCPWP

-----Ursprüngliche Nachricht-----
Von: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] Im Auftrag von Maciej
Skorczewski
Gesendet: Dienstag, 12. Juni 2007 12:27
An: MapGuide Users Mail List
Betreff: Re: AW: [mapguide-users] Bad Performance using dwf Files

Hi

I use AutoDesk Map 3D 2007.

export as ->SHP (there are even export directly do MapGuide, but - in my
opinion - whit shp you can do much more.)

Maciek

Stephan HOLLAUS pisze:
> Where can I do this export from dwf to shp?
> Also my problem is, that I have to use dwf or a format like that 
> because
there are very complex visualizations.
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