Hi Erwan,
 

> Oh. Sorry maybe you are working on a proprietary software ;-). In this 
> case, you are right, H2GIS is not suitable for you.


yes that's correct.


I am a bit curious. Is your format compliant with a standard or a 
> specification ? 
>
>>
It's a company specific specification which was invented in 1997.

More than the ISO 19107 geometry model ?
>
 
Not more, but some are missing. 

Am Mittwoch, 4. Februar 2015 18:14:10 UTC+1 schrieb bocher:
>
> Hi Steve,
>
> Le mercredi 4 février 2015 17:32:56 UTC+1, Steve a écrit :
>>
>> Hi Erwan,
>> there are two issues why I can't use H2GIS.
>>  
>> *Issue 1: *
>> the license - GPL 3 is not an option for us
>>
>
> Oh. Sorry maybe you are working on a proprietary software ;-). In this 
> case, you are right, H2GIS is not suitable for you.
>
>>
>> *Issue 2: *
>> We are using a binary format which is different to WKB and we don't want 
>> to make huge workarounds, which allows us to convert our binary format to a 
>> WKB because that's an unnecessary overhead for us which brings us no 
>> benefit.
>>
>
> I am a bit curious. Is your format compliant with a standard or a 
> specification ? 
>
>>
>> In addition our binary format supports more geometry types which are 
>> necessary for our application.
>>
>
> More than the ISO 19107 geometry model ?
>
> Erwan.
>
>
> -- 
> OrbisGIS and H2GIS leader
> Co-chair of the OGC Symbology Encoding  SWG
> CNRS FR 2488
> Institut de recherche en sciences et techniques de la ville
> École Centrale de Nantes
> BP 92101
> 1 rue de la Noë, 44321 NANTES Cedex 3
> France
> Tél : 02 40 37 68 67
> http://www.irstv.fr/
>
>  
>
>>
>>
>> Am Mittwoch, 4. Februar 2015 17:09:44 UTC+1 schrieb bocher:
>>>
>>>
>>>
>>> Dear Steve,
>>>
>>> Offer interfaces instead of direct JTS object is a good option. As 
>>> Nicolas points out, it will be very interesting to extend the geometry 
>>> model to support OGC Simple Feature Specification for SQL. This idea is 
>>> in our pipe. We have identified the current constraints to do that and you 
>>> are welcome to exchange with H2GIS team and H2 guys.
>>>
>>> Could you explain what is not relevant to you with H2GIS , because we 
>>> support all SFS operators, predicates and we have advanced spatial 
>>> capabilities ?
>>>
>>>
>>> Erwan
>>>
>>>
>>> -- 
>>> OrbisGIS and H2GIS leader
>>> Co-chair of the OGC Symbology Encoding  SWG
>>> CNRS FR 2488
>>> Institut de recherche en sciences et techniques de la ville
>>> École Centrale de Nantes
>>> BP 92101
>>> 1 rue de la Noë, 44321 NANTES Cedex 3
>>> France
>>> Tél : 02 40 37 68 67
>>> http://www.irstv.fr/
>>>
>>>
>>>
>>>
>>>
>>>
>>> Le mercredi 4 février 2015 15:54:38 UTC+1, Nicolas Fortin (OrbisGIS) a 
>>> écrit :
>>>>
>>>> You can't cast a wrapper to a wrapped object, this is why Java define 
>>>> the interface Wrapper.
>>>>
>>>>>
>>>>>    - -> I understand your intention behind that... currently I do 
>>>>>    something like that in H2GIS's SpatialResultSetImpl
>>>>>    
>>>>>
>>>> Default implementation means without the presence of H2 jar and JTS 
>>>> jar. Then at least one implementation of the new Api should be provided by 
>>>> h2. You can't ask a user of the database to develop a third party library 
>>>> for a feature that are already in h2.
>>>>
>>>>>
>>>>>    - Default Implementation:
>>>>>    A default implementation itself makes sense because H2 should be 
>>>>>    able to test their spatial index. Therefore I would suggest to 
>>>>> implement a 
>>>>>    H2Envelope, H2Geometry, H2GeometryFactory or we can call it 
>>>>> JTSEnvelope 
>>>>>    etc... which uses the JTS framework.
>>>>>    The default implementation can be provided by a different jar or 
>>>>>    by H2GIS.
>>>>>
>>>>> ​
>>>>>>
>>>>>

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