[GeoNode-users] GeoNode Layer Style Weather Symbols and Web Links
Julierme Pinheiro
juliermeopensourcedeveloper at gmail.com
Mon Jan 21 09:18:43 PST 2019
Hi Toni,
am I correct that you´re using the geoserver css extension?
Yes. You are right. I am using css extension.
Can you supply the generated sld?
Yes. I am send it in attached.
$ ll ./geoserver/data/styles/thunder.svg
-rwxr-xr-x 1 tomcat8 tomcat8 1918 jan 21 10:52 ./thunder.svg*
I changed geonode_css.css file as shown bellow and I am sending
geonode_css.sld in attached. It still not working.
* [weather = 4]{
mark: symbol('circle');
mark-size: 5;
}
:mark {
fill: cyan;
stroke: darkblue;
}
[weather = 0] {
mark: url(day.svg);
mark-mime: "image/svg";
mark-size: 100;
}
I appreciated you help and time.
Kind regards
Julierme
On Mon, Jan 21, 2019 at 2:08 PM Toni Schönbuchner <
toni.schoenbuchner at csgis.de> wrote:
> Hey Julierme,
>
> am I correct that you´re using the geoserver css extension?
> Can you supply the generated sld?
>
> Further the output of:
>
> $ ll ./geoserver/data/styles/sunny.svg
>
> Further I think the mime type in sld for svg is
> <Format>image/svg+xml" </Format>
>
> your could try
> mark-mime: "image/svg+xml"
> (unsure about this just a shot in the dark)
>
> Cheers,
> Toni
>
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> Am 21.01.2019 um 16:51 schrieb Julierme Pinheiro <
> juliermeopensourcedeveloper at gmail.com>:
>
> Dear Jorge and Toni,
>
> Thank you very much for your reply.
>
> I have a table (db_brasilia_weather) in postgis. The table
> db_brasilia_weather has two attributes: weather and url_image. weather
> attribute has integer values of weather status and url_image attribute: the
> path for the weather images cloudy.svg, thunder.svg, sunny.svg, rainy.svg.
>
> db_brasilia_weather
>
> id weather url_image
> 1 0 sunny.svg
> 2 5 thunder.svg
> 3 1 rainy.svg
>
> *.svg images are stored in /webapps/geoserver/data/styles
>
> Based on the information, Creating Point Styles in [1] and Item 3.4.2
> about Graphic in [2], I created the following CSS (geonode.css) file:
>
> * {
> mark: symbol('circle');
> mark-size: 5;
> }
>
> :mark {
> fill: cyan;
> stroke: darkblue;
> }
>
> [weather = 0] {
> mark: url(./geoserver/data/styles/sunny.svg);
> mark-mime: "image/svg";
> mark-size: 100;
> }
> I have tried mark: url(sunny.svg),
> url("./geoserver/data/styles/sunny.svg"), but none of these configuration
> have been successful.
>
> Any additional comment on this matter will be very appreciated.
>
> Thank you very much for your time in advance.
>
> Kind Regards
>
> Julierme
>
>
> [1]
> http://docs.geonode.org/en/master/tutorials/advanced/adv_data_mgmt/pretty_maps/css.html#creating-point-styles
> [2]
> https://docs.geoserver.org/stable/en/user/styling/workshop/css/point.html
>
>
>
>
>
> On Sun, Jan 20, 2019 at 5:53 AM Toni Schönbuchner <
> toni.schoenbuchner at csgis.de> wrote:
>
>> Hi Julierme,
>>
>> I don´t think you can access a postgis entity directly from SLD.
>> The Point Symbolizer allows external graphics as mark or ressource.
>>
>> https://docs.geoserver.org/stable/en/user/styling/sld/reference/pointsymbolizer.html#externalgraphic
>> Where an external ressource could also be identified as URL.
>>
>> Means you could add the SVG to your static root or in some other public
>> directory or even dropbox and use it as symbol. As alternative it should
>> work
>> to specific a relative path outside of the data dir where tomcat is
>> allowed to read
>> from. With second linking to the file gets harder.
>>
>> May I ask you why the svg should be stored in the database? – unsure if
>> there
>> is some better way but for sure you could just create a django view to
>> output
>> the svg from postgres and use it like this in your sld.
>>
>> Cheers,
>>
>> Toni
>>
>> > Today's Topics:
>> >
>> > 1. Re: GeoNode Layer Style Weather Symbols and Web Links
>> > (Julierme Pinheiro)
>> >
>> >
>> > ----------------------------------------------------------------------
>> >
>> > Message: 1
>> > Date: Fri, 18 Jan 2019 18:59:40 -0200
>> > From: Julierme Pinheiro <juliermeopensourcedeveloper at gmail.com>
>> > To: geonode-users <geonode-users at lists.osgeo.org>
>> > Subject: Re: [GeoNode-users] GeoNode Layer Style Weather Symbols and
>> > Web Links
>> > Message-ID:
>> > <CAKTKyJK9dtC9MX_QHHH+bJvswgBzcC=
>> BPOwodR840KZLPoZ0aA at mail.gmail.com>
>> > Content-Type: text/plain; charset="utf-8"
>> >
>> > Hi GeoNode users,
>> >
>> > Regarding my previous email, looking at GeoServer documentation
>> > <
>> https://docs.geoserver.org/stable/en/user/styling/sld/extensions/pointsymbols.html#external-graphics
>> >,
>> > I got the piece of SLD bellow, but burg02.svg is being retrieved from
>> > $GEOSERVER_DATA_DIR/styles.
>> >
>> > I would like to have:
>> > 1 - burg02.svg being retrieved from a postgres table;
>> > 2 - make a webpage link on burg02.svg through the SLD file
>> >
>> >
>> > <PointSymbolizer>
>> > <Graphic>
>> > <ExternalGraphic>
>> > <OnlineResource xlink:type="simple" xlink:href="burg02.svg" />
>> > <Format>image/svg+xml</Format>
>> > </ExternalGraphic>
>> > <Size>20</Size>
>> > </Graphic>
>> > </PointSymbolizer>
>> >
>> >
>> > Any hint on that will be very appreciated.
>> >
>> > Kind regards
>> >
>> > Julierme
>>
>>
>
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