Hello Oleksandr,

*Yes i have checked these documentation and guides.*
*These are specific to the current WSG_84 Reference system usage guide. *
*I am interested to provide a native support of a new Reference System.*

*Thanks,*
*vikram*


On Tuesday, 15 November 2016 19:19:24 UTC+5:30, Oleksandr Gubchenko wrote:
>
> Hi,
>
> have you checked this guides?
>
> http://orientdb.com/docs/last/Spatial-Index.html
> http://orientdb.com/spatial-module-orientdb-2-2/
>
> Il giorno martedì 15 novembre 2016 14:43:08 UTC+1, VIKRAM SINGH CHOUHAN ha 
> scritto:
>>
>> Hi All,
>>
>> I am working on an Open Source GIS project and new to Spatial Reference 
>> systems.
>>
>> As we know the new Lucene Plugin for OrientDB (version 2.2) is enhanced 
>> with Support of Complex Geometry like line, polygon etc.
>> I am exploring on adding a new spatial reference system native support 
>> for storage and retrieval of spatial data in lucene Plugin for OrientDB.
>>
>> Currently Lucene Engine supports well known WSG_84 reference system.
>> I would like to add a native support for a new SRS(Spatial Reference 
>> System) i.e. EPSG:27700 and other. i don't want to go with SRS conversions 
>> using external library like proj4.
>>
>> As per my analysis for the support added in Lucene for WSG_84. I found 
>> datum configuration parameters in PlanetModel class file like :
>>
>>     WGS84_MEAN = 6371009.0;
>>     WGS84_POLAR = 6356752.314245;
>>     WGS84_EQUATORIAL = 6378137.0;
>>     PlanetModel WGS84 = new PlanetModel (1.0011188180710464, 
>> 0.9977622562211103);
>>
>> which are used in Mathematical evaluations for calculating Flattering of 
>> earth, North Pole, South Pole geographical reference Points etc.
>>
>> I am suspecting this configuration are specific to WSG_84 Spatial 
>> reference system only. Is my understanding correct?
>> And similarly, there will be new set of configuration needs to be defined 
>> for other reference system to achieve a native support in the DB storage 
>> and retrieval of GeoSpatial Data.
>> Or WSG_84 is a base reference system for all the other Reference Systems 
>> and conversion has to happen?
>>
>> Any suggestion will be very helpful. 
>> Thanks in Advance.
>>
>> Regards,
>> vikram
>>
>>
>>
>>
>>  
>>  
>>
>

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