[Mapserver-users] help with adding labels/annotation, please

[Haiyan Liu]

Oh yeah, call that drawLabelCache(0 fixed my problem. Let you know.

-Haiyan

On Tue, 2004-04-13 at 13:22, Haiyan Liu wrote:
> Hi all,
> 
> I had some problem with adding annotation to my map. I wrapped some
> codes(see Dylan Keon's posting) posted in this list into my function(see
> below). I created the map file. But what I got is just a blank image.
> Can anyone tell me what is going wrong in my situation? Thanks.
> 
> // draw annotation on passed in image
> // @param:  float $x, $y
> // @param:  string $layer_name  -- annotation layer name
> // @param:  string $text  -- for label
> // $param:  reference of imageObj $image
> 
> function addLabel($x, $y, $layer_name, $text, &$image){
> 	$pt = ms_newLineObj();
> 	$pt->addXY($x, $y); 
> 
> 	$shape = ms_newShapeObj(MS_SHAPE_LINE); 
> 	$shape->set('classindex', 0); 
> 	$shape->set('text', $text);  // assign the label 
> 	$shape->add($pt); 
> 	// note: $map is a member var in my map class
> 	$layer = $this->map->getLayerByName($layer_name); 
> 	$layer->set("status", 1);
> 
> 	$layer->addFeature($shape);
> 	$layer->draw($image);
> 
> 	//$shape->draw($this->map, $layer, $image); 
> 
> 	$pt->free(); 
> 	$shape->free();	
> }
> 
> 
> #=============================================
> 
> LAYER
>    NAME pin_text
>    STATUS ON
>    TYPE ANNOTATION
>    FEATURE
>    END
>    CLASS
>      LABEL
>        TYPE TRUETYPE
>        FONT arial
>        SIZE 10
>        COLOR 250 0 0
>        POSITION UC
>        FORCE TRUE
>      END
>    END
> END
> 
> #=============================================
> 
> 
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