Hi Martin and Johann,

Thank you for proposing so many different projects for me to work on!
Martin, I'm interested in working on the QuadTree index. I will continue to
look over the wiki pages and Java code more thoroughly.

I look forward to hearing back from you and Alexis Manin.

Kelsea

On Wed, Jun 27, 2018 at 2:04 AM, johann sorel <[email protected]>
wrote:

> Hello,
>
> Or working on new datastore providers.
>
> Since we have the Feature and query API running I think it would be great
> to have a GeoPackage provider.
> https://urldefense.proofpoint.com/v2/url?u=http-3A__www.open
> geospatial.org_standards_geopackage&d=DwIDaQ&c=qgVugHHq3rzou
> XkEXdxBNQ&r=PK8x1iOmlGctTaiufLd6SlqymbTiLVANaWPWfk-YIyI&m=0j
> ycKVdPYLjefjzX48lkCXTb-I7rY_OSw3gewUcpxN4&s=x2QzXuwPmMAe6fGW
> 21Oj0B3BerRVcyeATnxKIFnU5Ig&e=
> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.geo
> package.org&d=DwIDaQ&c=qgVugHHq3rzouXkEXdxBNQ&r=PK8x1iOmlGct
> TaiufLd6SlqymbTiLVANaWPWfk-YIyI&m=0jycKVdPYLjefjzX48lkCXT
> b-I7rY_OSw3gewUcpxN4&s=E_52O9XBE-7KR8YTvIeRY5a7NiLZn9oGFi3DD9ZeGGQ&e=
>
> Johann Sorel
>
>
> On 27/06/2018 10:55, Martin Desruisseaux wrote:
>
>> Hello Kelsea, and welcome!
>>
>> Looking at your experience, you seem familiar with indexing. Apache SIS
>> has a QuadTree index which is currently orphan. The index Java code is
>> located at:
>>
>>      storage/sis-storage/src/main/java/org/apache/sis/index/tree/
>>
>> If you feel interested about working on an index system, we can make a
>> plan about what could be improvements to that code. It may be easier to
>> do that next week because Alexis Manin will be back from vacation and he
>> may have input on this topic. In the meantime, it may be worth to take a
>> look on QuadTree [1] and R-Tree [2] pages on wikipedia.
>>
>> Alternatively, if you would like to try something new and have
>> inclination for mathematics, we still have some map projections to
>> implement [3]. This work is more "mechanical", with very specific
>> classes to extend and method to implement for each set of formulas. I
>> will expand more on this topic if there is an interest.
>>
>> Another possibility is to continue the work on JavaFX components for
>> giving a Graphical User Interface to SIS (this work was started by other
>> students).
>>
>> For information, Hao is doing a Google Summer of Code project which has
>> some similarities with your previous works. But instead than scanning
>> HTML files, Hao's work scans GeoTIFF, netCDF and some other geospatial
>> files. And instead of collecting words, Hao's work collects information
>> structured like a form, with a clear "title" field, an "author" field, a
>> "geographic extent" field, etc., which enable searches by title, author,
>> etc. If you feel interested in this topic, we can try to coordinates in
>> such a way that your work are complementary.
>>
>> Do you have a preference for any of those alternatives?
>>
>>      Martin
>>
>>
>> [1] https://urldefense.proofpoint.com/v2/url?u=https-3A__en.wiki
>> pedia.org_wiki_Quadtree&d=DwIDaQ&c=qgVugHHq3rzouXkEXdxBNQ&r=
>> PK8x1iOmlGctTaiufLd6SlqymbTiLVANaWPWfk-YIyI&m=0jycKVdPYLjefj
>> zX48lkCXTb-I7rY_OSw3gewUcpxN4&s=CW2Ce5A6pFpqDzvfzkOWEGW2dg_6
>> M4RuIuv_o6sC26k&e=
>> [2] https://urldefense.proofpoint.com/v2/url?u=https-3A__en.wiki
>> pedia.org_wiki_R-2Dtree&d=DwIDaQ&c=qgVugHHq3rzouXkEXdxBNQ&r=
>> PK8x1iOmlGctTaiufLd6SlqymbTiLVANaWPWfk-YIyI&m=0jycKVdPYLjefj
>> zX48lkCXTb-I7rY_OSw3gewUcpxN4&s=TcS5ceSe0ps5oEtOirX6T3Fs_h14
>> KzoJ42nPuOSGWBQ&e=
>> [3] https://urldefense.proofpoint.com/v2/url?u=https-3A__issues.
>> apache.org_jira_browse_SIS-2D212&d=DwIDaQ&c=qgVugHHq3rzouXkE
>> XdxBNQ&r=PK8x1iOmlGctTaiufLd6SlqymbTiLVANaWPWfk-YIyI&m=0jycK
>> VdPYLjefjzX48lkCXTb-I7rY_OSw3gewUcpxN4&s=RdzYBVuciAmmEY9KOiT
>> ACJCkhNvmxAI3G9sSSz9mCtQ&e=
>>
>>
>>
>

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