[Mapserver-users] dinamic class using a MapScript loop.

[Eduardo Patto Kanegae]

I'm setting a set of classes of a given layer using definitions from a database table. so, I make a while-loop against a recordset  and for each recordset I create a new class object using PHP variable-variables.

the code I made is:

----------

while (!$vwCommPlaceTypes->EOF){
 $stClass = "hTmpClass".$vwCommPlaceTypes->fields["tip_codigo"];//define the class var name
 $$stClass = ms_newClassObj($hTmpLayer);// htmpLayer is my layer				
 $$stClass->set("name",$vwCommPlaceTypes->fields["tip_descricao"]);
 $$stClass->setexpression(trim($vwCommPlaceTypes->fields["tip_codigo"]));
 $stStyle = "hTmpStyle".$vwCommPlaceTypes->fields["tip_codigo"];//define the style var name
 $$stStyle = ms_newStyleObj($$stClass);
 $$stStyle->set("minsize",5);
 $$stStyle->set("maxsize",10);
 $$stStyle->set("size",10);
 $$stStyle->set("symbolname",$vwCommPlaceTypes->fields["tip_symname"]);
 $stColor = "hTmpColor".$vwCommPlaceTypes->fields["tip_codigo"];//define the color var name
 $$stColor = $$stStyle->color;
 $aColors = explode(" ", $vwCommPlaceTypes->fields["tip_symcolor"]);
 $$stColor->setRGB((int)$aColors[0], (int)$aColors[1], (int)$aColors[2]);

 $vwCommPlaceTypes->MoveNext();
}


and, suposing I have 2 reccords, as result I got:

========
...
CLASS
	NAME "Bar"
    EXPRESSION "13"
    STYLE
		COLOR 92 192 252
        MAXSIZE 10
        MINSIZE 5
        SIZE 10
        SYMBOL "SYM_BAR"
	END
END
CLASS
	NAME "Farmácia"
    EXPRESSION "07"
    STYLE
		COLOR 64 23 0
        MAXSIZE 10
        MINSIZE 5
        SIZE 10
        SYMBOL "SYM_FARMACIA"
	END
END
...
========

and it's ok.

But, my question is: if I try to run a code like....

while (!$vwCommPlaceTypes->EOF){
 $tmpClass = ms_newClassObj($hTmpLayer);// htmpLayer is my layer				
 $tmpClass->set("name",$vwCommPlaceTypes->fields["tip_descricao"]);
 $tmpClass->setexpression(trim($vwCommPlaceTypes->fields["tip_codigo"]));
 $tmpStyle = ms_newStyleObj($tmpClass);
 $tmpStyle->set("minsize",5);
 $tmpStyle->set("maxsize",10);
 $tmpStyle->set("size",10);
 $tmpStyle->set("symbolname",$vwCommPlaceTypes->fields["tip_symname"]);
 $tmpColor = $tmpStyle->color;
 $aColors = explode(" ", $vwCommPlaceTypes->fields["tip_symcolor"]);
 $tmpColor->setRGB((int)$aColors[0], (int)$aColors[1], (int)$aColors[2]);

 $vwCommPlaceTypes->MoveNext();
}

will it work?

or it will set only 1 class?

thanks





Eduardo Patto Kanegae
http://www.consultoria.eti.br
UIN: 303747254

I Encontro Nacional de Usuários MapServer - http://mapserver.cttmar.univali.br/encontro2004
Projeto MapServer Brasil - http://mapserver.cttmar.univali.br

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