Hi Lottie & Edward,
regarding question 2:
I'm pretty sure that the 'spaceAround' vendor option is only available
for TextSymbolizers and not PointSymbolizers.
However, with a small workaround you can also use it for symbols.
Just specify a TextSymbolizer with an empty label and add the
symbol/icon as a shield.
In CSS, this can be achieved like so:
* {
label: ['.']; /* must have content otherwise ignored */
font-family: "Arial";
font-size: 0; /* do not display label */
-gt-label-padding: 5; /* = spaceAround option */
shield: url("youricon.png"); /* or use predefined symbol altern. */
shield-mime: "image/png";
shield-size: 10;
}
This works perfectly fine for me, however, if someone knows a cleaner
version I'd be interested in it, too.
Cheers,
Matthias
Am 19.06.2013 11:07, schrieb Edward Mac Gillavry:
> Hi lottie,
>
> For random colours, I suggest to compute this in advance and store as an
> attribute with the object. This also ensures colours are consistentent
> across zoom levels.
>
> To prevent overlapping symbols, use the 'spaceAround' vendor option
> together with the 'Priority' vendor option. The first option will make
> sure there'll always be a specified void between symbols. The second
> option will allow you to influence the decision which symbol to retain
> or dismiss based on their relative priority. Not too familiar with the
> css styling, so someone else has to confirm these vendor options are
> available in the css styling or only in the default SLD styling.
>
> Regards,
>
> Edward
>
> ------------------------------------------------------------------------
> Date: Wed, 19 Jun 2013 16:39:19 +1000
> From: lotta.atzenb...@gmail.com
> To: geoserver-users@lists.sourceforge.net
> Subject: [Geoserver-users] css styling questions
>
> 1. Is it possible with css to add random colors, which don't change
> while zooming, based on different labels, but I don't know how many
> different colors I would need?
>
> 2. Is it possible to add a space around a point or symbol so that in a
> zoom out not all of the points/symbols are shown?
>
> Cheers
>
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