[mapguide-users] Search feature of two Layer (Overlapped)

[Dhirendra Kumar]

Hi Paul Spencer,

Thankyou for you replay, I can fire query layer by layer and i am getting
correct result aslo. Problem is, suppose when user will search any booth and
on the basis of that booth they want to search nearest police station or
anything, then how will i solve this problem ? because every thing  is in
different layer and on the which basis i will find out that specified place
is nearest. Please suggest me. I am waiting your replay
.......................................................................

Thanking you
Dhirendra Kumar





Paul Spencer-5 wrote:
> 
> Dhirendra,
> 
> there is no built in function to do this, but the web api is rich and  
> you can accomplish this with some scripting in your favourite  
> scripting language.
> 
> You can create a custom command in the task pane that has a single  
> button 'find'.  You need to set up the task in Studio to pass the  
> selection.  In your server-side code, you can get the selection  
> object from the current map, get the feature (polygon) of the  
> selection, then open the feature source associated with the voting  
> booth layer and query it using the polygon as a spatial filter.  Then  
> you can output whatever you like about the voting booths and it will  
> show up in the task pane again.
> 
> There are many examples of this kind of thing, but nothing that does  
> specifically what you are looking for.
> 
> I would guess this would be about 100 lines of code in PHP and a  
> couple of hours of effort for an experienced mapguide developer.  For  
> someone who is experienced in PHP but not with the mapguide API, it  
> will take several days to understand how the API works and implement  
> this properly.
> 
> Cheers
> 
> Paul
> 
> On 22-Mar-07, at 12:50 AM, Dhirendra Kumar wrote:
> 
>>
>> Hi All,
>>
>> I am devloping Election GIS Application. I want to write query that  
>> if user
>> want to know how many Booth's are in specified village then query  
>> retrive
>> all booth's those are under specified village. i can search any  
>> feature on
>> one layer but here village layer and booth layer's are different  
>> so, i'll
>> have to first select specified village and on the basis of village  
>> i have to
>> search all Booth's. Is this possible to fire query on two layer at  
>> a time ?
>> If yes then how. Please
>> suggest me. I am
>> waiting............................................................... 
>> ......................................................
>>
>> thankyou in Advance
>> Dhirendra Kumar
>> -- 
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>> of-two-Layer-%28Overlapped%29-tf3445472s16610.html#a9608435
>> Sent from the MapGuide Users mailing list archive at Nabble.com.
>>
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> 
> +-----------------------------------------------------------------+
> |Paul Spencer                          pspencer at dmsolutions.ca    |
> +-----------------------------------------------------------------+
> |Chief Technology Officer                                         |
> |DM Solutions Group Inc                http://www.dmsolutions.ca/ |
> +-----------------------------------------------------------------+
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