[mapguide-users] gettile method problems

Zac Spitzer zac.spitzer at gmail.com
Mon Dec 8 19:04:15 EST 2008


which version are you running? that always helps to mention it:)

you could just copy the tile cache?

C:\Program Files\MapGuideOpenSource2.0\Server\Repositories\TileCache

On Tue, Dec 9, 2008 at 4:14 AM, alucas <alucas at srtec.com> wrote:
>
> Hello Kenneth,
>
> If after call GetTile I write the tile in a temporary directory, then the
> service does not goes down. Strange behaviour...
>
> Now my code looks something like this:
>
> for (int s = scaleCount -1; s >=0; s--)
> {
>  // nTilesX and nTilesY calculation
>  // ...
>
>  for (int r = 0; r <= nTilesX; r++)
>  {
>     for (int c = 0; c <= nTilesY; c++)
>     {
>            MgByteReader br = ts.GetTile(mapResId, layerGroup, c, r, s);
>            MgByteSink bs = new MgByteSink(br);
>            bs.ToFile(@"c:\Temp\s"+ s.ToString() +"_r"+r.ToString()+"_c"+
> c.ToString()+".jpg");
>
>      }
>  }
> }
>
> If I comment the lines for write the tiles, then I get the exception again.
>
> Any Idea?
>
>
>
> Kenneth Skovhede, GEOGRAF A/S wrote:
>>
>> I can't tell you exactly what goes wrong, but work for a tile generator
>> has been done elsewhere.
>>
>> The FMTilingEngine prepares tiles, and automatically restarts the
>> MapGuide service when it encounters the problem:
>> http://www.websoftdev.com/download.cfm
>>
>> Zac has developed a browser based tile seeder:
>> http://zacster.blogspot.com/2008/07/mapguide-tile-cache-seeder.html
>>
>> I am building a tile seeder for use with Maestro (not complete, and not
>> released, LGPL):
>> http://svn.osgeo.org/mapguide/trunk/Tools/Maestro/MgCooker/
>>
>> Perhaps the FMTilingEngine will solve your troubles.
>> If not, you can consider building on one of the other solutions.
>>
>> Regards, Kenneth Skovhede, GEOGRAF A/S
>>
>>
>>
>> alucas skrev:
>>> Hello all,
>>>
>>> I'm trying to develop a tile pre-generation desktop application. To do
>>> this,
>>> I'm using mapguidedotnetapi.dll reference. My program creates a
>>> connection
>>> to the server and through the tileservice try to call gettile method for
>>> every tile. My problem is that gettile method fails and returns an
>>> xmlstream
>>> exception, then I need to restart the server service because I get a
>>> connection exception.
>>>
>>> This is the exception:
>>>
>>> http://www.nabble.com/file/p20872280/exception.jpg
>>>
>>> The exception happens not in the first gettile call, it happens when I
>>> called several times this method. My program is something like this:
>>>
>>> ...
>>> for each scalecount
>>>   for each column
>>>     for each row
>>>       tileService.GetTile(mapResId, layerGroupName, c, r, s)
>>> ...
>>>
>>> Solutions I tried:
>>>
>>> - Modify serverconfig.ini to enable poolconnections for my data.
>>> - Use thread.sleep between iterations
>>> - Use a separate thread to do this work
>>> - Generate tiles only for a scale factor.
>>>
>>> This solutions does not work for me.
>>>
>>> Any idea?
>>>
>>> Sorry for my english...
>>>
>>> Thanks in advance
>>>
>>>
>>>
>> _______________________________________________
>> mapguide-users mailing list
>> mapguide-users at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/mapguide-users
>>
>>
>
> --
> View this message in context: http://www.nabble.com/gettile-method-problems-tp20872280p20899422.html
> Sent from the MapGuide Users mailing list archive at Nabble.com.
>
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> mapguide-users at lists.osgeo.org
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>



-- 
Zac Spitzer -
http://zacster.blogspot.com
+61 405 847 168


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