Hello, I have some doubts about Rendering Transformations. 

1 - I have a few points on the map, set up the SLD for the heatmap type. I 
noticed strange behavior. Depending on where I stand the map, the heat spot 
changes radically, even when there is no change points. 

2 - Using the configuration in SLD to pointstacker, I realized that there is a 
distance comes the point position and where the grouping is indicated 
Configuring SLD as follows,it was possible to have the cluster more closest to 
point, however, the distance to the points to be grouped also became smaller 
and in some cases, not clustered anymore. 
<ogc: Function name = "parameter"> 
<ogc: Literal> cellsize </ ogc: Literal> 
<ogc: Literal> 1 </ ogc: Literal> 
</ ogc: Function> 

I am sending a link so that you can see the situation. 
In the video, the red dot is the point with the default style for geoserver 
point. 
https://docs.google.com/file/d/0B1rFep5a4kpVWmlxcWQ3ZnFHanlCXzZTWTJYa2NFTU5jU09V/edit?usp=docslist_api
 

Someone has an explanation to this behavior or i made a wrong configuration in 
the SLD? 

Thanks for the support 


-- 


Romulo Silva 
Programador 
SIC - NDS - Núcleo de Desenvolvimento de Software 

DÍGITRO TECNOLOGIA 
E-mail: [email protected] 
Fone: +55 48 3281-7000 Ramal: 8146 
Fax: +55 48 3281-7299 
Site: www.digitro.com 

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