Hi Tore

that was the legacy spatial indexing.

EPSG:4326
Seems to be te standard widely used also in other GIS system.





2016-07-28 11:21 GMT+02:00 Tore Austrått <[email protected]>:

> Hello Enrico,
>
> in your latest blog post(7/25) you state " ... coordinates (latitude,
> longitude) ".
> It seems that this is the common understanding. All positions from Google
> comes in this format(see attached png) and hence this was the way I
> understood it.
> In my view this will cause confusion as you can't expect every developer to
> be a full fledged navigator. So why not say this explicitly - ODB does it
> the opposite way?
>
> How come OrientDB selected EPSG:4326 ?
>
> T.
>
>
> On 27 July 2016 at 21:01, Enrico Risa <[email protected]> wrote:
>
>> Hi Tore
>>
>> the docs is not incorrect.
>> The Spatial Module uses the spatial reference system EPSG 4326
>>
>> http://spatialreference.org/ref/epsg/wgs-84/
>>
>> and the x & y are projected in longitude (-180 +180) and latitude( -90
>> +90).
>>
>> See here
>>
>> http://geojson.org/geojson-spec.html#positions
>>
>> and here
>>
>> http://edndoc.esri.com/arcsde/9.1/general_topics/what_coord_sys.htm
>>
>> Thanks
>> Enrico
>>
>> 2016-07-27 20:33 GMT+02:00 Tore <[email protected]>:
>>
>>> http://orientdb.com/docs/2.1/Spatial-Module.html
>>>
>>> The examples are mixing latitude and longitude.
>>> Please check this: (it appears the restaurant is located in Ethiopia)
>>> This goes for all the examples. Please correct.
>>> Thanks.
>>>
>>> INSERT INTO  Restaurant SET name = 'Dar Poeta', location = {"@class": 
>>> "OPoint","coordinates" : [12.4684635,41.8914114]}
>>>
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>
>
>
> --
> Tore Austrått
> phone +47 90657231
>
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