Hi List!
I'd like to create a styled line with dashed spikes like in picture below
in SLD:
[image: Szövegközi kép 1]
The gray sticks are from ArcGIS stlye. The blueish stick comes from
GeoServer 2.6.1.
(These are two lines with opposite direction, and symbolize an embankment.
One long spike, one half spike.)
I want to see them the same.
At first, I tried with wkt://multilinestring. But where the line curves,
the pattern run out from line.
At second, I tried with doubled line LineSymbolizer:
<sld:Rule>
<sld:Title>Embankment edge</sld:Title>
<ogc:Filter>
<ogc:PropertyIsEqualTo>
<ogc:PropertyName>VONTIP_KOD</ogc:PropertyName>
<ogc:Literal>184</ogc:Literal>
</ogc:PropertyIsEqualTo>
</ogc:Filter>
<sld:MaxScaleDenominator>50000.0</sld:MaxScaleDenominator>
<sld:LineSymbolizer uom="http://www.opengeospatial.org/se/units/metre
">
<sld:Stroke>
<sld:CssParameter name="stroke">#646464</sld:CssParameter>
<sld:CssParameter name="stroke-linejoin">round</sld:CssParameter>
<sld:CssParameter name="stroke-width">2m</sld:CssParameter>
</sld:Stroke>
</sld:LineSymbolizer>
<sld:LineSymbolizer uom="http://www.opengeospatial.org/se/units/metre
">
<sld:Stroke>
<GraphicStroke>
<Graphic>
<Mark>
<WellKnownName>wkt://LINESTRING(0 0, 0 -0.5)</WellKnownName>
<Fill>
<CssParameter name="fill">#00ffff</CssParameter>
</Fill>
<Stroke>
<CssParameter name="stroke">#00ffff</CssParameter>
<sld:CssParameter name="stroke-dasharray">20 50</sld:CssParameter>
<sld:CssParameter name="stroke-linejoin">round</sld:CssParameter>
<sld:CssParameter name="stroke-linecap">round</sld:CssParameter>
<sld:CssParameter name="stroke-width">1</sld:CssParameter>
</Stroke>
</Mark>
<Size>10</Size>
</Graphic>
</GraphicStroke>
</sld:Stroke>
</sld:LineSymbolizer>
<sld:LineSymbolizer uom="http://www.opengeospatial.org/se/units/metre";>
<sld:Stroke>
<GraphicStroke>
<Graphic>
<Mark>
<WellKnownName>wkt://LINESTRING(1 0, 1 -0.25)</WellKnownName>
<Fill>
<CssParameter name="fill">#00ffff</CssParameter>
</Fill>
<Stroke>
<CssParameter name="stroke">#00ffff</CssParameter>
<sld:CssParameter name="stroke-dasharray">20 50</sld:CssParameter>
<sld:CssParameter name="stroke-linejoin">round</sld:CssParameter>
<sld:CssParameter name="stroke-linecap">round</sld:CssParameter>
<sld:CssParameter name="stroke-width">1</sld:CssParameter>
</Stroke>
</Mark>
<Size>10</Size>
</Graphic>
</GraphicStroke>
</sld:Stroke>
</sld:LineSymbolizer>
</sld:Rule>
How can I create this spiked lines in SLD? I have tried many variations but
there was not the same I want.
If I try the "stroke-dashoffset" parameter, it does not works somehow.
Please help me a bit!
Thanks For Advance:
Zsolt
2015-04-27 9:59 GMT+02:00 Andrea Aime <[email protected]>:
> On Mon, Apr 20, 2015 at 3:58 PM, Zsolt Magyar <[email protected]> wrote:
>
>> Is it possible to add CSS stlye stroke-dasharray: 20 50; in meters?
>> Like: stroke-dasharray: 20m 50m;
>> I think it is impossible.
>> Only in SLD with: uom="http://www.opengeospatial.org/se/units/metre";
>>
>
> Correct, it cannot work because the dash array is represented in memory
> as a array of float numbers:
>
> float[] getDashArray();
>
> We need that API to change before we can have CSS do what you're asking.
>
> There was a patch back then, but if I remember correctly
> the person proposing it never went through the formal process required to
> break an esisting API
> (official change proposal, copyright assignment):
> http://jira.codehaus.org/browse/GEOT-3776
>
> Had a look at the patch, the way it has been implemented is not likely to
> be merged anyways...
>
> Cheers
> Andrea
>
>
> --
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> ==
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> @geowolf
> Technical Lead
>
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