Hi Andrea.

Thanks for your quick clarification. I have created a feature request: 
http://jira.codehaus.org/browse/GEOS-6585


Regards, Casper

From: [email protected] [mailto:[email protected]] On Behalf Of Andrea 
Aime
Sent: 21. juli 2014 11:02
To: Casper Børgesen (CABO)
Cc: [email protected]
Subject: Re: [Geoserver-users] How to make graphics not follow line in line 
symboliser?

On Mon, Jul 21, 2014 at 10:18 AM, Casper Børgesen (CABO) 
<[email protected]<mailto:[email protected]>> wrote:
I have a simple line symbolizer with a graphic stroke on top. By default it 
seems like the symbol will rotate to follow the direction of the line.

<LineSymbolizer>
  <Stroke>
    <GraphicStroke>
      <Graphic>
        <Mark>
          <WellKnownName>shape://oarrow</WellKnownName>
          <Stroke>
            <CssParameter name="stroke">#000000</CssParameter>
            <CssParameter name="stroke-width">2</CssParameter>
          </Stroke>
        </Mark>
        <Size>24</Size>
      </Graphic>
    </GraphicStroke>
  </Stroke>
</LineSymbolizer>

How can I force the symbol not to rotate?

I have tried to include the TextSymboliser VendorOption followLine, but the SLD 
wont validate with it.

There is no way to do that, the SLD specification says:

"A repeated linear graphic is plotted linearly and has its graphic
symbol bent around the curves of the line string"

In order to do what you want we'd need to add a new vendor option to force the 
out of spec behavior,
and some code would have to be written to implement it.

Feel free to:
* open a ticket for a new feature request at 
http://jira.codehaus.org/browse/GEOT
* implement it and make a pull request on github, or
* look into commercial support options to have someone implement it for you
  
(http://docs.geotools.org/stable/userguide/welcome/support.html#commercial-support)

Cheers
Andrea

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Ing. Andrea Aime
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