Hi all!
I have two questions:
1) When using LineSymbolizer to style a line, it draws a straight line
between two (and more) points. Is there a way to make the line between
points to be smoother? When drawing e.g. contours, road lines or boarders
this would be a nice option. Please look at the contours in the attached
image, on left side is what I mean by "smoother" and on right hand side what
I get out of GeoServer.
<http://osgeo-org.1560.x6.nabble.com/file/n5071055/contours.png>
2) Could someone confirm, that <PerpendicularOffset> is not suitable for
labeling roads in a manner to get the label to follow the road on top of it?
Best regards,
Jakob
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Hi Jakob,
You might want to try followLine:
http://docs.geoserver.org/stable/en/user/styling/sld-reference/labeling.html?highlight=followline#followline
It’s designed for non-straight lines.
Jonathan
On 6 August 2013 13:56, Jakob Ventin <jventin@anonymised.com> wrote:
Hi all!
I have two questions:
- When using LineSymbolizer to style a line, it draws a straight line
between two (and more) points. Is there a way to make the line between
points to be smoother? When drawing e.g. contours, road lines or boarders
this would be a nice option. Please look at the contours in the attached
image, on left side is what I mean by “smoother” and on right hand side what
I get out of GeoServer.
<http://osgeo-org.1560.x6.nabble.com/file/n5071055/contours.png>
- Could someone confirm, that is not suitable for
labeling roads in a manner to get the label to follow the road on top of it?
Best regards,
Jakob
–
View this message in context: http://osgeo-org.1560.x6.nabble.com/Smoother-lines-with-LineSymbolizer-tp5071055.html
Sent from the GeoServer - User mailing list archive at Nabble.com.
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On Tue, Aug 6, 2013 at 2:56 PM, Jakob Ventin <jventin@anonymised.com> wrote:
Hi all!
I have two questions:
1) When using LineSymbolizer to style a line, it draws a straight line
between two (and more) points. Is there a way to make the line between
points to be smoother? When drawing e.g. contours, road lines or boarders
this would be a nice option. Please look at the contours in the attached
image, on left side is what I mean by "smoother" and on right hand side
what
I get out of GeoServer.
<http://osgeo-org.1560.x6.nabble.com/file/n5071055/contours.png>
We'd need a smoothing geometry transformation, something that we do not
have,
but we have a pluggable extension point where that code could be hooked
(so the difficulty is only in how sophisticated the smoothing algorithm
should be).
2) Could someone confirm, that <PerpendicularOffset> is not suitable for
labeling roads in a manner to get the label to follow the road on top of
it?
followLine and perpendicularOffset do not mix, as we don't have a reliable
routing to compute line offsets (which is a hard problem to solve right)
Cheers
Andrea
--
Ing. Andrea Aime
@geowolf
Technical Lead
GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
mob: +39 339 8844549
http://www.geo-solutions.it
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