performance problem

joerg pfeiffer superbla3000 at GMX.NET
Mon Dec 27 12:37:22 EST 2004


unfortunately, I can't find map.c on my Suse 9.1
and I also can't find more infos to MAX_CLASSES..

Which map.c file do you mean?
Could you specify it a little bit more? Seems like it's the solution!

Joerg


Guillaume SUEUR (Géosignal) wrote:
> it may be a limit of the program itself on the number of shapeObj by
> example. For an application I'va done, I had to change the MAX_CLASSES
> value in the map.c file to allow using more than 50 different classes.
> Same for the symbols, limited to 255 by default.
>
> Good luck
>
> joerg pfeiffer wrote:
>
>> ***********************
>> Votre mail a étét scanné par InterScan VirusWall.
>> ***********-***********
>>
>>
>> hello,
>>
>> I have a 4000 point track in mysql. I build my trackline with
>>
>> $TrackLayerObj = $this->map->getLayerByName('gpstrack');
>> $pointObj = ms_newPointObj();
>> $line = ms_newLineObj();
>>
>> for($i=0;$i<count($pointlist);$i++){
>>         $lat=$pointlist[$i][0];
>>         $long=$pointlist[$i][1];
>>         $pointObj->setXY($long,$lat);
>>         $line->add($pointObj);
>>         $shp = ms_newShapeObj(MS_SHAPE_LINE);
>>         $shp->add($line);
>>         if($TrackLayerObj->addFeature($shp) == -1){
>>                 echo  "addFeature in lineLayer failed";
>>         }
>> }
>>
>> If I choose just a few trackpoints, it's no problem. But when I want to
>> show all 4000, linux 'top' shows php-cgi running and running and then I
>> get a blank browser site, due to timeout I guess.
>>
>> Are 4000 points too much?
>> Any ideas?
>>
>> Joerg
>>
>>
>>
>>
>



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