[Geoserver-users] Using LayerSwitcher() With a Layer Group of WMSs

2013-10-10 Thread Ammar
Hello. 


I am newbie to GeoServer and OpenLayers.

I am trying to setup a WMS that consists of 6 layers of thematic maps on 
GeoServer. I tried to add LayerSwitched() to the code but the map just went 
blank. My question is: is it possible to add LayerSwitched for a Layer Group of 
WMSs? If no, is there another way to show 6 layers of thematic maps (somehow at 
the same time) on GeoServer?

Thanks in advance.

//Ammar
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Re: [Geoserver-users] Using LayerSwitcher() With a Layer Group of WMSs

2013-10-10 Thread Lorenzo Pini
Hi Ammar,

WMS is a great tool for showing layers altogether.
To pinpoint your issue it will be usefull to have the part of the code you
are using to load the layers into the map and to display the layerswitcher.
Can you please provide a little snippet?

Thank you

Lorenzo Pini

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On Thu, Oct 10, 2013 at 11:08 AM, Ammar ammar8...@yahoo.com wrote:

 Hello.

 I am newbie to GeoServer and OpenLayers.

 I am trying to setup a WMS that consists of 6 layers of thematic maps on
 GeoServer. I tried to add LayerSwitched() to the code but the map just went
 blank. My question is: is it possible to add LayerSwitched for a Layer
 Group of WMSs? If no, is there another way to show 6 layers of thematic
 maps (somehow at the same time) on GeoServer?

 Thanks in advance.

 //Ammar


 --
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 Geoserver-users mailing list
 Geoserver-users@lists.sourceforge.net
 https://lists.sourceforge.net/lists/listinfo/geoserver-users


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Re: [Geoserver-users] Using LayerSwitcher() With a Layer Group of WMSs

2013-10-10 Thread Russ Hore
Sounds like a question for the OpenLayers list.

Russ

---


 On 10 Oct 2013, at 10:08, Ammar ammar8...@yahoo.com wrote:
 
 Hello. 
 
 I am newbie to GeoServer and OpenLayers.
 
 I am trying to setup a WMS that consists of 6 layers of thematic maps on 
 GeoServer. I tried to add LayerSwitched() to the code but the map just went 
 blank. My question is: is it possible to add LayerSwitched for a Layer Group 
 of WMSs? If no, is there another way to show 6 layers of thematic maps 
 (somehow at the same time) on GeoServer?
 
 Thanks in advance.
 
 //Ammar
 --
 October Webinars: Code for Performance
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 Geoserver-users@lists.sourceforge.net
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Re: [Geoserver-users] Using LayerSwitcher() With a Layer Group of WMSs

2013-10-10 Thread Lorenzo Pini
Hi,
as Russ Hore also pointend, it's an OpenLayers question, here's why:

I see you are using the GeoServer OpenLayers Preview as a base to build
your map.
I highly discourage that, because that page has the only required tools to
preview the selected layer.

If you want to start learning OpenLayers I recommend you this tutorial:
http://docs.openlayers.org/library/introduction.html

It's a step-by-step tutorial, very practical.

The reason your map becomes blank it's because the OpenLayers library
provided with the Preview page doesn't include the LayerSwitcher control.
Trying to load that Control breaks the code execution, preventing the
loading of the map.

As you can see in the source code, there is a comment to warn you about
that.

!-- Import OpenLayers, reduced, wms read only version --
script src=
http://localhost:8080/geoserver/openlayers/OpenLayers.js;
type=text/javascript

I hope this helps.

Regards
Lorenzo Pini

==
Our support, Your Success! Visit http://opensdi.geo-solutions.it for more
information.
==

GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054  Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
mob:   +39 333 8128928

http://www.geo-solutions.it
http://twitter.com/geosolutions_it


On Thu, Oct 10, 2013 at 12:18 PM, Ammar ammar8...@yahoo.com wrote:

 Thanks for your reply Lorenzo. This is part of the code, which I think is
 related to my problem:

 [omitted]

 Regards,
 Ammar


--
  *From:* Lorenzo Pini lorenzo.p...@geo-solutions.it
 *To:* Ammar ammar8...@yahoo.com
 *Cc:* geoserver-users@lists.sourceforge.net 
 geoserver-users@lists.sourceforge.net
 *Sent:* Thursday, October 10, 2013 11:53 AM
 *Subject:* Re: [Geoserver-users] Using LayerSwitcher() With a Layer Group
 of WMSs

 Hi Ammar,

 WMS is a great tool for showing layers altogether.
 To pinpoint your issue it will be usefull to have the part of the code you
 are using to load the layers into the map and to display the layerswitcher.
 Can you please provide a little snippet?

 Thank you

 Lorenzo Pini



 On Thu, Oct 10, 2013 at 11:08 AM, Ammar ammar8...@yahoo.com wrote:

 Hello.

 I am newbie to GeoServer and OpenLayers.

 I am trying to setup a WMS that consists of 6 layers of thematic maps on
 GeoServer. I tried to add LayerSwitched() to the code but the map just went
 blank. My question is: is it possible to add LayerSwitched for a Layer
 Group of WMSs? If no, is there another way to show 6 layers of thematic
 maps (somehow at the same time) on GeoServer?

 Thanks in advance.

 //Ammar


 --
 October Webinars: Code for Performance
 Free Intel webinars can help you accelerate application performance.
 Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most
 from
 the latest Intel processors and coprocessors. See abstracts and register 
 http://pubads.g.doubleclick.net/gampad/clk?id=60134071iu=/4140/ostg.clktrk






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