Hi,
I've got a SLD that I apply to a polygon layer and I want to add a label to
identify those polygons. I manage to add the the labels but my problem is that
the labels are repeated a lot of times into the polygons and furthermore they
don't appear on the centroif of my polygon. Here is my TextSymbolizer tag:
<TextSymbolizer>
<sld:MinScaleDenominator>3000</sld:MinScaleDenominator>
<sld:MaxScaleDenominator>5000</sld:MaxScaleDenominator>
<Label>
<ogc:PropertyName>MUNICIPIO</ogc:PropertyName>
</Label>
<Font>
<CssParameter name="font-family">Arial</CssParameter>
<CssParameter name="font-weight">bold</CssParameter>
<CssParameter name="font-size">8</CssParameter>
</Font>
<!-- this centers the label on the polygon's centroid-->
<LabelPlacement>
<PointPlacement>
<AnchorPoint>
<AnchorPointX>0.5</AnchorPointX>
<AnchorPointY>0.5</AnchorPointY>
</AnchorPoint>
</PointPlacement>
</LabelPlacement>
<!-- make the label easy to read-->
<Halo>
<Radius>
<ogc:Literal>2</ogc:Literal>
</Radius>
<Fill>
<CssParameter name="fill">#FFFFFF</CssParameter>
<CssParameter name="fill-opacity">0.85</CssParameter>
</Fill>
</Halo>
<Fill>
<CssParameter name="fill">#000000</CssParameter>
</Fill>
<!-- This labels each name only once, not every shape with that name -->
<VendorOption name="group">true</VendorOption>
</TextSymbolizer>
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