[OpenLayers-Users] Performance Tuning in Internet Explorer

[Christopher Schmidt]

On Tue, Sep 22, 2009 at 02:12:52PM -0400, jim.meyer at concept-solutions.com wrote:
> Hi Christopher,
> 
> 	We are using GeoServer (not MapServer).  Is there a way to take all
> of the client-side options and pass them in a request to GeoServer so that
> GeoServer will interpret and style the variable shape data correctly?

Don't have any clue. You could write code that would push all the data into
a temporary PostGIS table, and configure a GeoSErver datasource to respond
to that via Their RESTful datasource creation, most likely.

I don't really know anything about GeoServer.

-- Chrsi

> Thanks,
> Jim
> 
> Jim Meyer
> Java Programmer
> ConceptSolutions, LLC
>     We Make Business Intelligent
> 703.889.8434 [desk]
> 703.391.9041[fax]
> www.Concept-Solutions.com
> 
> -----Original Message-----
> From: Christopher Schmidt [mailto:crschmidt at metacarta.com] 
> Sent: Tuesday, September 22, 2009 2:06 PM
> To: jim.meyer at concept-solutions.com
> Subject: Re: [OpenLayers-Users] Performance Tuning in Internet Explorer
> 
> On Tue, Sep 22, 2009 at 01:41:34PM -0400, jim.meyer at concept-solutions.com
> wrote:
> > Hi Till,
> > 
> >    We are using a lot of checkboxes on the client-side to generate a
> complex
> > query that determines which shapes to display.  This information is sent
> to
> > the server where a complex query runs and returns JSON to the client with
> > the shape data.  These shapes are rendered in a different color based upon
> > their time to activation.  I don't believe they are static enough to be
> able
> > to use WMS.
> 
> There isn't naything that you can do in OpenLayers that you can't do with
> some other server side rendering code -- either using MapServer or some
> other
> tool. You really aren't going to be able to render that many things at once
> in a clientside browser.
> 
> Other suggestions people have offered, like setting a max for features
> returned at 100 or some such, also likely bear investigation.
> 
> -- Chris
> 
> > Thanks,
> > Jim
> > 
> > Jim Meyer
> > Java Programmer
> > ConceptSolutions, LLC
> >     We Make Business Intelligent
> > 703.889.8434 [desk]
> > 703.391.9041[fax]
> > www.Concept-Solutions.com
> > 
> > -----Original Message-----
> > From: Till Adams [mailto:adams at terrestris.de] 
> > Sent: Tuesday, September 22, 2009 1:00 PM
> > To: jim.meyer at concept-solutions.com
> > Cc: users at openlayers.org
> > Subject: Re: [OpenLayers-Users] Performance Tuning in Internet Explorer
> > 
> > Jim,
> > 
> > if it is just necessary to *SHOW* the shapes you probably might check to 
> > serve them as WMS (try UMN  or GeoServer) or pure as UMN-CGI service ?
> > 
> > Doing that, your performance is an issue of the WMS server and not of 
> > OpenLayers and there are many screws to work on like indexing, 
> > scale-dependency and so on...and you are more browser independet, 
> > because the only thing to show is an png or gif image.
> > 
> > Till
> > 
> > 
> > > Hi Christopher,
> > >
> > >    We are rendering active airspaces on our map.  We are required to
> > render
> > > this many shapes on the map.  Any other ideas?
> > >
> > > Thanks,
> > > Jim
> > >
> > > Jim Meyer
> > > Java Programmer
> > > ConceptSolutions, LLC
> > >     We Make Business Intelligent
> > > 703.889.8434 [desk]
> > > 703.391.9041[fax]
> > > www.Concept-Solutions.com
> > >
> > > -----Original Message-----
> > > From: Christopher Schmidt [mailto:crschmidt at metacarta.com] 
> > > Sent: Tuesday, September 22, 2009 11:37 AM
> > > To: jim.meyer at concept-solutions.com
> > > Cc: users at openlayers.org
> > > Subject: Re: [OpenLayers-Users] Performance Tuning in Internet Explorer
> > >
> > > On Tue, Sep 22, 2009 at 10:34:42AM -0400,
> jim.meyer at concept-solutions.com
> > > wrote:
> > >   
> > >> Hi,
> > >>
> > >>    We are rendering a vector layer that has 1000+ shapes.  Currently,
> it
> > >>     
> > > is
> > >   
> > >> very slow in IE.  Any ideas as to where to start to improve
> performance?
> > >>     
> > >
> > > Render fewer shapes.  
> > >
> > > Regards,
> > >   
> > 
> > 
> > -- 
> > ----------------------------------------------------------
> > terrestris GmbH & Co. KG
> > Irmintrudisstrasse 17
> > 53111 Bonn
> > Germany
> > 
> > Till Adams
> > Geschäftsführung
> > 
> > Tel: +49 (0)228 / 962 899-52
> > Fax: +49 (0)228 / 962 899-57
> > adams at terrestris.de http://www.terrestris.de
> > Amtsgericht Bonn, HRA 6835
> > ---------------------------------------------------------
> > 
> > Komplementärin:
> > 
> > terrestris Verwaltungs GmbH
> > 
> > vertreten durch:
> > Hinrich Paulsen, Till Adams
> > 
> > _______________________________________________
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> > http://openlayers.org/mailman/listinfo/users
> 
> -- 
> Christopher Schmidt
> MetaCarta
> 

-- 
Christopher Schmidt
MetaCarta