You can also add a VendorOption "allowOverruns" to allow labels to be added
even when they are longer than the line segment being labelled.
"goodnessOfFit" is a similar option for polygons.
--
David Winslow
OpenGeo - http://opengeo.org/
On Tue, Sep 6, 2011 at 2:28 AM, Edward Mac Gillavry <
[email protected]> wrote:
> Michael,
>
> Look into the VendorOptions "labelAllGroup", "repeat" and "maxDisplacement"
> to fine-tune the repetition of names along your road segments. It's a lot of
> going back and forth, so be patient to arrive at the right values for each
> scale.
>
> You might also be hitting the issue, that at smaller scales, the road
> segments become too short to be labeled. Fair enough, the VendorOption
> "group" gets you a long way, but try grouping on the database side of things
> as well using the attributes you use in the filters of your SLD (i.e. FRC) .
> Be sure to add the admin area that the road segment is in to the "group by"
> clause, so you won't be grouping road segments that have the same name
> across the country into one group (e.g. the French equivalent of "High
> Street"). Thus you chain the road segments into longer pieces that fit your
> road names, without loosing the attributes.
>
> In a next step, you could create another field to store abbreviations to
> shorten the road names as well (e.g. Boulevard becomes Blvd and Avenue
> becomes Ave) and use this field only to label the road segments at smaller
> scales.
>
> Finally, just using FRC in your filters does not give you a consistent road
> network at all scales. Check out Net2Class as well. Particularly when zoomed
> out completely, roads may seem to end nowhere if you only use FRC.
>
> You see, it's indeed a bit of database, a bit of style and then a bit of...
>
> Regards,
>
> Edward
>
> ------------------------------
> Date: Mon, 5 Sep 2011 11:27:30 +0200
> Subject: Re: [Geoserver-users] Optimization of Geoserver ( database + style
> + ? )
> From: [email protected]
> To: [email protected]; [email protected]
> CC: [email protected]
>
>
> Yes I got It,
>
> I 've carefully followed your advises :
>
> I've created one table for all the roads, for all the wa, wl, lu, a8.
> for all the table I've created an index for the frc field and the geom
> field.
>
> It looks like that it is really better to use postgis with one table for
> all the roads, one table for all the wa, ... than using multiple shape file
> .
>
>
> Now, I've some problem to render properly the name of the street :
> áá I really don't understand why, some road got a name and other don't have
> a name ...
>
>
> I had to zoom to see the name of the roads (and there is still not enough
> road's name on the map) .
>
> I don't understand how it works ? I discovered that more the police is
> little, the more you see the road's name ... But still, not enough .....
>
>
>
> On Fri, Sep 2, 2011 at 12:01 PM, Harikumar Reddy <[email protected]>wrote:
>
> Hi,
>
> You need specify which type of roads to be drawn at a particular mapscale.
> Find attached sample SLD we are using with result wms screenshots of road
> for your reference., The SLD is giving response wms image (jpeg) within 4-5
> seconds along with other layers (we need to still optimise the road style to
> get response within 2-3 seconds).
>
> You have written SLD for different scales but not mentioned what type of
> roads to be drawn at particular scale (AFAIK by observing your SLD given).
>
> Use filters like given below (check attached SLD to have complete idea). we
> also has face many problems during SLD preparation.
> As i am ex product engineer of TeleAtlas india, i have remembered their
> attributes. you can use FRC/FOW/NET class as OGC filter parameter, which
> Edward has already conveyed.
>
> ============================================
> <Rule>
>
> ááááááá </Rule>===============================================
>
> I hope, it may help you.
>
>
>
>
>
>
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