We're going to need more information before we can offer much of a  
solution.

Where are your lat/lng columns? What are the other fields you want in  
different models?

-- 
Pat

On 29/07/2009, at 9:39 AM, BR!j!TH wrote:

>
> Hai everybody,
>
>
> What I have to do if I need to search in my models to get result in
> accenting order of  distance from a given location, provided I have a
> model which  contains lat ad lng details and it is prperly associated
> with other model
>
> I use geo code to get the lat and lng details ( include
> GeoKit::Geocoders )
>
> I could use the following query:
>
> locations = Place.find(:all,
>        :limit=>30,
>        :origin => [[email protected], @location.lng],
>        :conditions => "distance < 1000",
>        :order=>'distance DESC')
>
> But when it comes to JOIN with other models and apply conditions on
> them I can only get the list of place object. I need to get the fields
> from the other models too along with the fields in the Place model.
>
>
> How can I accomplish this using Thinking Sphinx
>
>
> Please Help me !
>
>
> On Jul 28, 7:30 pm, Pat Allan <[email protected]> wrote:
>> Hi Aninda
>>
>> Firstly, you'll need to ensure theassociationis referenced somewhere
>> in your index setup:
>>    has location(:id), :as => :location_id
>>
>> And then you can add custom SQL snippets for generating lat and lng  
>> in
>> radians:
>>    has 'RADIANS(location.lat)', :as => :lat, :type => :float
>>    has 'RADIANS(location.lng)', :as => :lng, :type => :float
>>
>> Cheers
>>
>> --
>> Pat
>>
>> On 28/07/2009, at 2:52 PM, Aninda wrote:
>>
>>
>>
>>> Hi,
>>>  I also have thegeocodeattributesstored in anassociationmodel,
>>> but they are stored in decimal degrees:
>>> How would I then convert theseattributesinto radians for ts?
>>>  has location(:lat), :as => :latit
>>>  has location(:lng), :as => :longit
>>
>>> Thanks!
>>
>>> On Jul 24, 1:57 pm, Pat Allan <[email protected]> wrote:
>>>> Hi John
>>
>>>> What you're doing should work... how are you searching on your
>>>> CoffeeShop model? And are the columns in your locations table  
>>>> storing
>>>> lat and lng in radians?
>>
>>>> --
>>>> Pat
>>
>>>> On 23/07/2009, at 5:51 PM, DB_John wrote:
>>
>>>>> Can thegeocodeattributesof a model be set toattributesfrom an
>>>>> associated model?
>>
>>>>> I have a CoffeeShop model that stores its location information  
>>>>> in a
>>>>> Location model.  I've been trying different versions of the
>>>>> following
>>>>> to no success:
>>
>>>>>  define_index do
>>>>>    has location(:lat), :as => :latit
>>>>>    has location(:lng), :as => :longit
>>
>>>>>    set_property :latitude_attr   => :latit
>>>>>    set_property :longitude_attr  => :longit
>>>>>  end
>>
>>>>> Do I need to explicitly add thoselat/lngcolumns to my CoffeeShop
>>>>> table?
>>
>>>>> Thanks,
>>>>> John
>
> >


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