[Chameleon] Locate widget bindings

[Paul Spencer]

Thanks Tom

I've added the files to cvs but I won't be changing the interface until 
after 1.99 is released.

Cheers,

Paul

Kralidis,Tom [Burlington] wrote:
> Paul,
> 
> Attached are three new Locators:
> 
> - gazetteer_server_cgns.php: this would replace the default Canadian
> Gazetteer Locator.  We could have both in the app, but this should be
> used as default
> 
> - gazetteer_server_world.php: this is for global gazetteer services via
> OGC:WFS
> 
> - zipcode_server.php: this connects to an FGDC web service and queries a
> US zipcode for results.  The only thing I couldn't figure here is how to
> deal with the coordinates.  The way this service works, it provides a
> huge gml:lineString with plenty of vertices for the feature coordinates
> within the featureMember.  However, what it should be picking up is the
> gml:boundedBy/gml:Box values, which provide a bbox of the zipcode.
> There's some pseudo-code in there now for the approach
> 
> Hope this helps.  Let me know if you have any questions (it's fun to
> code again once in awhile :))
> 
> ..Tom
> 
> 
> 
>>-----Original Message-----
>>From: Paul Spencer [mailto:pspencer at dmsolutions.ca] 
>>Sent: Wednesday, 10 November, 2004 21:35
>>To: Kralidis,Tom [Burlington]
>>Cc: chameleon at lists.maptools.org
>>Subject: Re: [Chameleon] Locate widget bindings
>>
>>
>>Tom,
>>
>>thanks for the feedback.  I think your offer is great, and I 
>>guess I am 
>>the logical one to integrate the changes :)  I think that we need to 
>>make some substaintial changes to how the locate widget is 
>>structured to 
>>allow for basically any number of locators to be included.
>>
>>By default, I think that the widget should not show any 
>>locators in the 
>>popup.
>>
>>The application designer can choose which locators to show by 
>>including 
>>subtags in the widget.  Something like:
>>
>><service type="CGNS" label="Places in Canada"/>
>>...
>>
>>type:
>>
>>string, required, restricted to the built in types documented 
>>in the widget.
>>
>>label:
>>
>>string, required, the label to display for this service
>>
>>help:
>>
>>string, optional?, some informative text about the service to be 
>>displayed when the service is selected (perhaps)
>>
>>other attributes would be determined by the service type.
>>
>>The popup interface would likely change to a single input, a 
>>select box 
>>to choose the service, and a single button to search.  Or 
>>something like 
>>that :)
>>
>>This would make it easier to add new services and also to 
>>translate the 
>>interface for multi-lingual applications.
>>
>>There is an API for adding a new service, it would be documented to 
>>allow others to build their own locators/geocoders and integrate them.
>>
>>Tom, if you provide the locators, I can work on the interface part of 
>>this.  However, it won't be done for 1.99, the change is too 
>>substantial 
>>to include at this point.
>>
>>Cheers,
>>
>>Paul
>>
>>Kralidis,Tom [Burlington] wrote:
>>
>>>Hi,
>>>
>>>First off, I'd like to say kudos to Paul and co. for 
>>
>>release of beta3 
>>
>>>-- WOW!
>>>
>>>w.r.t. the Locate widget, there are currently 4 services it 
>>
>>connects 
>>
>>>to:
>>>
>>>- CGDI Gazetteer Service (Canada)
>>>- CGDI Postal Code Lookup Service (Canada)
>>>- EC Watershed Lookup Service (Canada)
>>>- NTS Lookup Service (Canada)
>>>
>>>I have been testing using other lookup services in this 
>>
>>widget, with 
>>
>>>success.  What I would like to do is add:
>>>
>>>- modify Canadian placename lookup to use the authoritative source 
>>>(Canadian Geographical Names Service WFS)
>>>- World Placename Service (WFS)
>>>- Zip Code Lookup Service (US GML)
>>>
>>>I'd be willing to roll out the code for these, however I'm not very 
>>>familiar with how they interact with the rest of this 
>>
>>subsystem (input 
>>
>>>interface, buttons, etc.), nor do I have the time to get into this.
>>>
>>>So if someone is willing to work with me to add this 
>>
>>functionality to 
>>
>>>the core package, I'm game.  We should also think about this as a 
>>>framework for someone to add their own 'geocoding' service 
>>
>>with little 
>>
>>>effort.
>>>
>>>Thanks
>>>
>>>..Tom
>>>
>>>=========================
>>>Tom Kralidis
>>>Systems Scientist
>>>Environment Canada
>>>Tel: +01-905-336-4409
>>>http://www.ec.gc.ca/
>>>
>>>
>>>_______________________________________________
>>>Chameleon mailing list
>>>Chameleon at lists.maptools.org 
>>>http://lists.maptools.org/mailman/listinfo/chameleon
>>>
>>
>>-- 
>>Cheers,
>>
>>Paul
>>
>>+-----------------------------------------------------------------+
>>|Paul Spencer                           pspencer at dmsolutions.ca   |
>>+-----------------------------------------------------------------+
>>|Applications & Software Development                              |
>>|DM Solutions Group Inc                 http://www.dmsolutions.ca/|
>>+-----------------------------------------------------------------+
>>

-- 
Cheers,

Paul

+-----------------------------------------------------------------+
|Paul Spencer                           pspencer at dmsolutions.ca   |
+-----------------------------------------------------------------+
|Applications & Software Development                              |
|DM Solutions Group Inc                 http://www.dmsolutions.ca/|
+-----------------------------------------------------------------+