[mapguide-users] Tiling and other methods to improve performance

George McLean gmclean at gorge.net
Mon Sep 24 15:36:29 EDT 2007


Hi Kori,

If I change the ImageFormat setting in serverconfig.ini from PNG to JPG 
will the tiling engine create JPG images?

Thanks

George McLean

Kori Maleski wrote:
> It does, but there may be issues.  
>
>
>
> ________________________________
>
>
>
>
> Kori Maleski
> Senior Application Developer
> WEBSOFT DEVELOPERS, INC.
> P: (530) 759-8754 ext 114
> F: (530) 759-0923
> kori.maleski at websoftdev.com
> ________________________________
>
>  
>
> -----Original Message-----
> From: mapguide-users-bounces at lists.osgeo.org
> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Berdel, Brian
> Sent: Monday, September 24, 2007 11:33 AM
> To: MapGuide Users Mail List
> Subject: RE: [mapguide-users] Tiling and other methods to improve
> performance
>
> Ok, Thanks. I thought I read in another thread that switching the DLL's
> and webconfig.ini would allow it to work with 1.2
>
> Brian  Berdel 
> McMahon Associates, Inc. 
> p: 215.283.9444
> www.mcmtrans.com 
>
> -----Original Message-----
> From: mapguide-users-bounces at lists.osgeo.org
> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Kori
> Maleski
> Sent: Monday, September 24, 2007 2:33 PM
> To: 'MapGuide Users Mail List'
> Subject: RE: [mapguide-users] Tiling and other methods to improve
> performance
>
> Working on MGO 1.2/ MGE2008 Release.  Will have it up shortly.
>
> ________________________________
>
>
>
>
> Kori Maleski
> Senior Application Developer
> WEBSOFT DEVELOPERS, INC.
> P: (530) 759-8754 ext 114
> F: (530) 759-0923
> kori.maleski at websoftdev.com
> ________________________________
>
>  
>
> -----Original Message-----
> From: mapguide-users-bounces at lists.osgeo.org
> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Berdel,
> Brian
> Sent: Monday, September 24, 2007 10:55 AM
> To: MapGuide Users Mail List
> Subject: RE: [mapguide-users] Tiling and other methods to improve
> performance
>
> I have a repeating error when I try to use the tilingengine
>
> Title: Error
> Message: Resource data was not found: LayerGroupData
> StackTrace: Resource data was not found: LayerGroupData
> Exception occurred in method MgTagManager.GetTag at line 395 in file
> c:\build_bond_area\mapguide_open_source_v1.2\build_18.1\mgdev\server\src
> \services\resource\TagManager.cpp
>
> Date/Time: 9/24/2007 1:52:08 PM
> ================================================
>
> I am using 1.2
>
>
>
> C:\Program Files\Websoft Developers\FacilitiesMap Tiling
> Engine>"C:\Program File
> s\Websoft Developers\FacilitiesMap Tiling Engine\FmTilingEngine.exe" -u
> Administ
> rator -p admin -m SoleburyTwp
>
>    FacilitiesMap Tiling Engine
>      Release Version 1.0.0
>
>      -u user:    Administrator
>      -p password:***********
>      -m map:    SoleburyTwp
>      -g group    not specified
>      -s scale    not specified
>      -sx         not specified
>      -sy         not specified
>      -ex         not specified
>      -ey         not specified
>      -l log      not specified
>
>
>  Preparing to Tile 'SoleburyTwp' Map Definition...
>
>  Initializing Connection to MapGuide...Succeeded
>  Tiling 'Base Layer Group' Layer Group...
>
>  Scale: 1:98000   Finite Scale 1 of 12
>  Tiles: 20 ( 5 Columns x 4 Rows )
>  ...1...2...3
>
> Brian  Berdel 
> McMahon Associates, Inc. 
> p: 215.283.9444
> www.mcmtrans.com 
> -----Original Message-----
> From: mapguide-users-bounces at lists.osgeo.org
> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of George
> McLean
> Sent: Thursday, September 20, 2007 11:26 AM
> To: MapGuide Users Mail List
> Subject: Re: [mapguide-users] Tiling and other methods to improve
> performance
>
> Thanks again Kori. I will be upgrading today and hopefully will see 
> beautiful panning maps!
>
> George
>
>
> Kori Maleski wrote:
>   
>> George,
>>
>> Upgrade to 1.2, since the tiled maping/base layer performance is much
>> better.
>>
>>
>> Then use the tiling engine to pre-tile just the area of interest at
>>     
> large
>   
>> scales.  Small scales you may tile the whole thing.
>>
>> This will reduce the number of tiles significantly.
>>
>>
>> The tiling engine allows you to specify a bounding box in tile
>>     
> row/columns.
>   
>> If you specify these bounds you can limit the tile generation to
>>     
> required
>   
>> areas only.  This will have to be done for each zoom threshold -
>>     
> easily done
>   
>> with a batch script.
>>
>> I generated a tiled base map for the entire state of California in
>>     
> this
>   
>> manner.  I tiled the entirety of all the small scale thresholds and
>>     
> then
>   
>> just specific areas of interest (urban centres) at large scale
>>     
> thresholds.
>   
>> To reduce tiles (and the amount of space they require) - try to reduce
>>     
> the
>   
>> number of thresholds.  Some may be unnecessary.
>>
>>
>> Cheers,
>>
>> ________________________________
>>
>>
>>
>>
>> Kori Maleski
>> Senior Application Developer
>> WEBSOFT DEVELOPERS, INC.
>> P: (530) 759-8754 ext 114
>> F: (530) 759-0923
>> kori.maleski at websoftdev.com
>> ________________________________
>>
>>  
>>
>> -----Original Message-----
>> From: mapguide-users-bounces at lists.osgeo.org
>> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of George
>>     
> McLean
>   
>> Sent: Wednesday, September 19, 2007 3:32 PM
>> To: MapGuide Users Mail List
>> Subject: [mapguide-users] Tiling and other methods to improve
>>     
> performance
>   
>> Hello,
>>
>> I have a large base map that covers an area for an electric utility.
>>     
> The 
>   
>> base map is in state plane grid coordinates and the map is about 100 
>> miles in both X and Y. Most of this map in this 100x100 region is
>>     
> blank 
>   
>> since we only have base information near where the utility's
>>     
> facilities 
>   
>> are located. I am trying to improve performance by using tiles. I
>>     
> would 
>   
>> like to have zoom levels in pretty close, maybe on the order of 1:500
>>     
> as 
>   
>> well as zoom levels that much farther out. If I set this up with Base 
>> Layers in studio and then generate tiles using Websoft's tiling engine
>>     
>
>   
>> for each zoom level, I will get a huge number of tiles. If I do not 
>> generate tiles then performance is perceived as poor.
>>
>> Are there any better strategies for dealing with large base maps that 
>> must be viewed both at the detail level and high zoom scales? I m
>>     
> still 
>   
>> using MGOS 1.1 (maybe I should upgrade).
>>
>> Thanks,
>>
>> George McLean
>>
>>
>>
>> _______________________________________________
>> mapguide-users mailing list
>> mapguide-users at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/mapguide-users
>>
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>> mapguide-users mailing list
>> mapguide-users at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/mapguide-users
>>
>>
>>   
>>     
>
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