[postgis-users] Recording problems with PostGIS

[Margie Roswell]

Thanks for taking the time to post the solution. I look forward to using
Ruby with Postgis (ramping up on both!) and will come back to this thread.

Margie

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On Tue, Mar 4, 2014 at 6:42 PM, Brice Bene <brice.bene at gmail.com> wrote:

> I did a mistake on my example. If someone use it in the futur, it is
> better with a good example :
>
> set_rgeo_factory_for_column(:position,
> RGeo::Geographic.simple_mercator_factory.projection_factory)
>
> where position is the name of the PostGIS column.
>
> Regards,
>
> *Brice.*
>
>
> 2014-03-05 0:27 GMT+01:00 Brice Bene <brice.bene at gmail.com>:
>
> Finally I found the solution. The function set_rgeo_factory_for_column
>> must be added to each model with a link to PostGIS where you specify which
>> factory you are using.
>>
>> example
>> : set_rgeo_factory_for_column(RGeo::Geographic.simple_mercator_factory.projection_factory)
>>
>> Thank you for your help and your time.
>>
>> *Brice.*
>>
>>
>> 2014-03-04 21:42 GMT+01:00 benebrice <brice.bene at gmail.com>:
>>
>>>  I tried to create the database manually with the template and only
>>> after does the migrations. I check the value before being recorded and it
>>> is ok (I can obviously unproject the projection). But when it is stored, it
>>> cannot be unproject. The problem can come from 2 different points.
>>> The activerecord-postgis-adapter/rgeo-activerecord or PostGIS. I think
>>> Rails 4 is a possible reason of that.
>>>
>>> *Brice.*
>>>
>>>
>>> 2014-03-04 18:38 GMT+01:00 Dan Lyke [via PostGIS] <[hidden email]<http://user/SendEmail.jtp?type=node&node=5005829&i=0>
>>> >:
>>>
>>>  On Tue, Mar 4, 2014 at 9:33 AM, benebrice <[hidden email]<http://user/SendEmail.jtp?type=node&node=5005826&i=0>>
>>>> wrote:
>>>> > Thank you for your answer but unfortunately I had already tried this.
>>>> I did
>>>> > it again but still nothing. I used a similar configuration with a
>>>> Rails 3
>>>> > Application and Ruby 1.9.2 with PostiGIS 2. It was working.
>>>>
>>>> Is there perhaps a way to dump the SQL that your Rails ORM is
>>>> generating? Seems to me like you've got a leaky abstraction layer
>>>> somewhere, the problem is likely in Rails, and without knowing how
>>>> Rails is going wrong we're just playing pin the tail on the donkey.
>>>>
>>>> Dan
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