[maplab-users] Search objects in a map

[publi at infonegocio.com]

Hi Jeff,
    Ok, i do it. Thanks.

Jeff McKenna wrote:

> Hello,
>
> I think you're having a hard time getting help on this list because 
> you are asking about very detailed functionality with 
> phpmapscript/mapserver.  You will find more help on the main mapserver 
> list (http://lists.umn.edu/archives/mapserver-users.html) where the 
> developers of mapserver and phpmapscript could probably help you.
> Sorry.
>
> jeff
>
>
>
>
> publi at infonegocio.com wrote:
>
>> Hi all,
>>     I'm still working in search object in a map. I have added the 
>> next code to MyApp.php (../gmf_apps/MyApp/MyApp.php) :
>>        if ($http_form_vars["nombre"])
>>         {
>>             $nombre = $http_form_vars["nombre"];
>>             $oextent = $oMapSession->oMap->extent;
>>             $capa = $oMapSession->oMap->getLayerByname("puntos");  
>> ("Capa" is a Layer Object)
>>             $capa->queryByAttributes("NOMCALLE",$nombre,MS_SINGLE);
>>             if ($capa->getNumResults() > 0)
>>             {
>>                 echo "Ha encontrado";
>>                 $oresult = $capa->getResult(0);
>>                  // oresult is a ResultCacheMemberObj 
>> <http://mapserver.gis.umn.edu/doc42/phpmapscript-class-guide.html#result> 
>>
>>                 $capa->open();
>>                 $oshape = 
>> $capa->getShape($oresult->tileindex,$oresult->shapeindex);
>>                 $oextent = $oshape->bounds;
>>                 $oshape->free();
>>                 //New Extent to show
>>                 $nminx = $oextent->minx - 300;
>>                 $nmaxx = $oextent->maxx + 300;
>>                 $nminy = $oextent->miny - 200;
>>                 $nmaxy = $oextent->maxy + 200;   (My Map have a 
>> extent = 600 x 400 pixels)
>>                 $oextent->setextent($nminx,$nminy,$nmaxx,$nmaxy);
>>       }
>>      
>> $oMapNavigator->zoomRectangle($oextent->minx,$oextent->miny,$oextent->maxx,$oextent->maxy); 
>>
>> }
>>
>> At first sight everything works, but always I obtain the same error 
>> in map_navigator.php:
>>
>> *Fatal error*: [MapServer Error]: msCalculateScale(): Invalid image 
>> extent, minx=429849.430340, miny=4466350.489920, maxx=429849.430340, 
>> maxy=4466350.489920. in 
>> */home/javi/maplab-2.2/projects/gmf_apps/MyApp/wrapper/map_navigator.php* 
>> on line *341
>>
>> *What's Wrong??????
>> And on the other hand, the single searches are made in the present 
>> View, How Can i search in all the map, although there are parts that 
>> are not shown?
>> Thanks all.
>>
>> My System:
>>
>>     MapServer 4.2.5
>>     MapLab 2.2
>>
>>
>> ------------------------------------------------------------------------
>>
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>
>
>