[OpenLayers-Users] Label position on vector features

[João Duarte]

Hi,

 

Can anyone say if such a patch would be incompatible with SLD?

 

João Duarte

 

De: Arnd Wippermann [mailto:arnd.wippermann at web.de] 
Enviada: sábado, 8 de Agosto de 2009 10:30
Para: Joao Campos Duarte (PRIMEIT)
Cc: users at openlayers.org
Assunto: AW: [OpenLayers-Users] Label position on vector features

 

Hi,

 

i do exactly the same to get the labels positioned. Otherwise the labels
would hide the symbols for my point features. I would also like this patch,
but I'm not sure, if it is compatible with SLD.

 

Arnd

 

  _____  

Von: users-bounces at openlayers.org [mailto:users-bounces at openlayers.org] Im
Auftrag von Joao Duarte
Gesendet: Freitag, 7. August 2009 20:30
An: users at openlayers.org
Betreff: [OpenLayers-Users] Label position on vector features

Hi list,

 

Is there any way to position the label of a vector feature besides the
labelAlign property?

 

I have a vector feature which is a point having an externalGraphic and what
I really would like to do is to specify an offset the label should have
relative to the feature centroid.

 

I checked the drawText method in the Renderers (VML and SVG) and they
determine the position of the label by the feature centroid. But don’t let
the user specify a custom offset.

 

Has anyone thought about this? A simple patch on the drawText method would
do this:

 

var x = (location.x / resolution + this.left + style.labelOffsetX); 

var y = (location.y / resolution - this.top - style.labelOffsetY); 

 

Am I right?

 

João Duarte

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