[OpenLayers-Users] Getting all points for a geom?
Guillermo Lopez Mackinnon
gmlopez.mackinnon at gmail.com
Mon Dec 8 11:16:57 EST 2008
Thank you all guys!!!
I hope I can provide some help in the future but I still have to learn a lot
about Openlayers.
Guillermo
On Mon, Dec 8, 2008 at 3:37 PM, Indika Tantrigoda <indika85 at gmail.com>wrote:
> Hi Guillermo,
>
> Try something like this,
>
> wfs_cities = new OpenLayers.Layer.WFS( "",
> "http://localhost:8080/geoserver/wfs",
> {
> typename: 'topp:cities'
>
> },
> {
> typename: "cities",
> extractAttributes : true,
> //maxfeatures: 10,
> styleMap: new OpenLayers.StyleMap(
> {
> "default":
> cities_symbolizer,
> "select" :
> cities_symbolizer_select
> }
> )
> }
> );
>
> var selectControl = new OpenLayers.Control.SelectFeature(
> wfs_cities,
> {
> onSelect : onFeatureSelect,
> onUnselect: onFeatureUnselect
> });
>
> function onFeatureSelect(feature) {
> //Function implementation
> }
>
>
> function onFeatureUnselect(feature) {
> //Function implementation
> }
>
> map.addControl(selectControl);
> selectControl.activate();
>
> Hope this helps.
>
> Regards,
> Indika
>
> 2008/12/8 Guillermo Lopez Mackinnon <gmlopez.mackinnon at gmail.com>
>
> Ok. Many thanks again!
>> As I said I'll try it out and provide feedback :-)
>>
>> Best regards,
>> Guillermo
>>
>>
>> On Mon, Dec 8, 2008 at 3:18 PM, Adorian Ardelean <mynature at gmail.com>wrote:
>>
>>> Hi Guillermo,
>>>
>>> I have not tried it with a WFS layer, but I think it should work (I infer
>>> by looking at other examples on this list).
>>> You may add the control when you initialize the rest of other controls
>>> you use. The "..." stands for other controls :-)
>>>
>>> I think you have to create the layer before you create the controls for
>>> it. Just follow regular init() code as in other OL examples. Then when you
>>> want to get a feature info you may use some code to activate the featureinfocontrol
>>> (by click on a form entity, or image etc. associated with a "toggle"
>>> function).
>>>
>>> All the best,
>>> Adorian
>>>
>>>
>>>
>>> On Mon, Dec 8, 2008 at 2:53 PM, Guillermo Lopez Mackinnon <
>>> gmlopez.mackinnon at gmail.com> wrote:
>>>
>>>> Hey! Many thanks!
>>>> That sounds like a great hint and like the correct approach too :-)!
>>>>
>>>> What should I do with the controls variable? Add it to the layer at
>>>> creation time?
>>>>
>>>> For example:
>>>>
>>>> controls = {
>>>> ...
>>>> featureinfocontrol: new OpenLayers.Control.SelectFeature(myvectorlayer,
>>>> {onSelect: featureinfo});
>>>> }
>>>>
>>>> var cities = new OpenLayers.Layer.WFS(
>>>> "Cities",
>>>> "http://localhost:8080/geoserver/wfs",
>>>> {typename: 'topp:cities'},
>>>> {
>>>> typename: 'cities',
>>>> featureNS: 'http://www.openplans.org/topp',
>>>> extractAttributes: true,
>>>> controls: controls
>>>>
>>>> }
>>>> );
>>>>
>>>> Is the code above correct? Did I understand correctly or do I have to
>>>> add this control to the map as the other controls?
>>>>
>>>> I'll try it out and let you know in case I have any problem. If it works
>>>> I'll post the solution.
>>>>
>>>>
>>>> Guillermo
>>>>
>>>>
>>>> On Mon, Dec 8, 2008 at 1:30 PM, Adorian Ardelean <mynature at gmail.com>wrote:
>>>>
>>>>> Hi Guillermo,
>>>>>
>>>>> Look if you can use:
>>>>> *feature.attributes["city_name"]*
>>>>>
>>>>> example
>>>>> featureinfo = function(feature)
>>>>> {
>>>>> alert(*feature.attributes["city_name"])*;
>>>>> }
>>>>>
>>>>> controls = {
>>>>> ...
>>>>> featureinfocontrol: new OpenLayers.Control.SelectFeature(myvectorlayer,
>>>>> {onSelect: featureinfo});
>>>>> }
>>>>> ...
>>>>>
>>>>> All the best,
>>>>> Adorian
>>>>>
>>>>>
>>>>>
>>>>> On Mon, Dec 8, 2008 at 12:37 PM, Guillermo Lopez Mackinnon <
>>>>> gmlopez.mackinnon at gmail.com> wrote:
>>>>>
>>>>>> Thanks for your reply!
>>>>>> Actually, I meant the feature attributes like for instance
>>>>>> "city_name", "population" and so on. I´d like to display some of them when
>>>>>> the user clicks on a feature and since I may have several layers, doing it
>>>>>> in the way I explained in my initial post it'll be pretty tedious so I'd say
>>>>>> it should be some other way (a correct way) of doing this kind of stuff. Am
>>>>>> I right?
>>>>>>
>>>>>>
>>>>>> Thanks again for your help!
>>>>>>
>>>>>> Guillermo
>>>>>>
>>>>>>
>>>>>> On Mon, Dec 8, 2008 at 11:40 AM, Adorian Ardelean <mynature at gmail.com
>>>>>> > wrote:
>>>>>>
>>>>>>> Hi Nino,
>>>>>>>
>>>>>>> Do you mean all nodes of a polygon? If yes, you could explore Vector
>>>>>>> Formats Example in http://openlayers.org/dev/examples/ where is
>>>>>>> shows also how you could output coordinates of a feature in various formats.
>>>>>>>
>>>>>>> All the best,
>>>>>>> Adorian
>>>>>>>
>>>>>>>
>>>>>>> On Mon, Dec 8, 2008 at 11:24 AM, Nino Saturnino Martinez Vazquez Wael
>>>>>>> <nino.martinez at jayway.dk> wrote:
>>>>>>>
>>>>>>>> How can I extract all points for a geometry?
>>>>>>>>
>>>>>>>>
>>>>>>>> http://dev.openlayers.org/releases/OpenLayers-2.7/doc/apidocs/files/OpenLayers/Geometry/Collection-js.html#OpenLayers.Geometry.Collection
>>>>>>>> , do I need to call a field directly?
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> -Wicket for love
>>>>>>>>
>>>>>>>> Nino Martinez Wael
>>>>>>>> Java Specialist @ Jayway DK
>>>>>>>> http://www.jayway.dk
>>>>>>>> +45 2936 7684
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Users mailing list
>>>>>>>> Users at openlayers.org
>>>>>>>> http://openlayers.org/mailman/listinfo/users
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Dr. Adorian Ardelean
>>>>>>> coordinator of myNature Project
>>>>>>>
>>>>>>> http://mybiosis.info/nature/portal.php?pagename=firstpage [a
>>>>>>> Romanian biodiversity-database]
>>>>>>> http://mybiosis.info/nature/portal.php?pagename=adorian [CV]
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Users mailing list
>>>>>>> Users at openlayers.org
>>>>>>> http://openlayers.org/mailman/listinfo/users
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Dr. Adorian Ardelean
>>>>> coordinator of myNature Project
>>>>>
>>>>> http://mybiosis.info/nature/portal.php?pagename=firstpage [a Romanian
>>>>> biodiversity-database]
>>>>> http://mybiosis.info/nature/portal.php?pagename=adorian [CV]
>>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Dr. Adorian Ardelean
>>> coordinator of myNature Project
>>>
>>> http://mybiosis.info/nature/portal.php?pagename=firstpage [a Romanian
>>> biodiversity-database]
>>> http://mybiosis.info/nature/portal.php?pagename=adorian [CV]
>>>
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at openlayers.org
>> http://openlayers.org/mailman/listinfo/users
>>
>>
>
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