If it isn't too much effort it would be nice to provide both options.
Also I'm not clear on what outputValues means here?
Ian
On 4 September 2017 at 11:40, Mauro Bartolomeoli <
[email protected]> wrote:
> Hi Ian,
> I think this could be a nice improvement (automatic classification), but
> our customer is explicitly asking for the ability to specify custom
> intervals. so we should at least support both capabilities.
>
> Mauro
>
>
>
>
> 2017-09-04 12:37 GMT+02:00 Ian Turton <[email protected]>:
>
>> Rather than having to pass in a list of class breaks it would be nice to
>> be able to specify a org.geotools.filter.function.RangedClassifier and
>> the number of classes required.
>>
>> Then you can do something like:
>>
>> Function classify = ff.function(classifier.getName(),
>> ff.property(attribute), ff.literal(numberOfClasses));
>> Classifier groups = (Classifier) classify.evaluate(collection);
>>
>> to get the breaks.
>>
>> Ian
>>
>> On 4 September 2017 at 11:14, Mauro Bartolomeoli <
>> [email protected]> wrote:
>>
>>> Hi,
>>> I am currently working on a process that would reshape vector features,
>>> to add a classification field.
>>>
>>> The resulting feature will be a copy of the source, with the additional
>>> attribute calculated classifying the source on a specified attribute using
>>> given intervals (by the user as input parameters).
>>>
>>> This will allow further processing, for example aggregating on the class
>>> attribute with the Aggregate process (using WPS nested processes).
>>>
>>> For the purpose I would reuse:
>>> - CategorizeFunction to calculate the class attribute
>>> - TransformProcess to reshape the source, adding the new attribute
>>>
>>> The new process will accept the following inputs:
>>>
>>> - features (the source feature collection)
>>> - classifyOnAttribute (the attribute to use as an input for
>>> classification, e.g. PERCENTAGE)
>>> - thresholds (comma delimited list of thresholds for the required
>>> intervals, e.g 10,30,60,100)
>>> - outputAttribute (name of calculated attribute with class values, e.g.
>>> CLASS)
>>> - outputValues (comma delimited list of values to be assigned for each
>>> interval, A,B,C,D,E)
>>> - include (true or false, to define if thresholds are included
>>> (compared with greaterOrEqual) or excluded (compared with greater) in an
>>> interval instead of the following one.
>>>
>>> Any doubt / opinion / advice?
>>>
>>> Thanks.
>>>
>>> --
>>>
>>> Regards,
>>>
>>> Mauro Bartolomeoli
>>>
>>> ==
>>> GeoServer Professional Services from the experts! Visit
>>> http://goo.gl/it488V for more information.
>>> ==
>>>
>>> Dott. Mauro Bartolomeoli
>>> @mauro_bart
>>> Technical Lead
>>>
>>> GeoSolutions S.A.S.
>>> Via di Montramito 3/A
>>> 55054 Massarosa (LU)
>>> Italy
>>> phone: +39 0584 962313 <+39%200584%20962313>
>>> fax: +39 0584 1660272 <+39%200584%20166%200272>
>>>
>>> http://www.geo-solutions.it
>>> http://twitter.com/geosolutions_it
>>>
>>> -------------------------------------------------------
>>>
>>> AVVERTENZE AI SENSI DEL D.Lgs. 196/2003
>>>
>>> Le informazioni contenute in questo messaggio di posta elettronica e/o
>>> nel/i file/s allegato/i sono da considerarsi strettamente riservate. Il
>>> loro utilizzo è consentito esclusivamente al destinatario del messaggio,
>>> per le finalità indicate nel messaggio stesso. Qualora riceviate questo
>>> messaggio senza esserne il destinatario, Vi preghiamo cortesemente di
>>> darcene notizia via e-mail e di procedere alla distruzione del messaggio
>>> stesso, cancellandolo dal Vostro sistema. Conservare il messaggio stesso,
>>> divulgarlo anche in parte, distribuirlo ad altri soggetti, copiarlo, od
>>> utilizzarlo per finalità diverse, costituisce comportamento contrario ai
>>> principi dettati dal D.Lgs. 196/2003.
>>>
>>> The information in this message and/or attachments, is intended solely
>>> for the attention and use of the named addressee(s) and may be confidential
>>> or proprietary in nature or covered by the provisions of privacy act
>>> (Legislative Decree June, 30 2003, no.196 - Italy's New Data Protection
>>> Code).Any use not in accord with its purpose, any disclosure, reproduction,
>>> copying, distribution, or either dissemination, either whole or partial, is
>>> strictly forbidden except previous formal approval of the named
>>> addressee(s). If you are not the intended recipient, please contact
>>> immediately the sender by telephone, fax or e-mail and delete the
>>> information in this message that has been received in error. The sender
>>> does not give any warranty or accept liability as the content, accuracy or
>>> completeness of sent messages and accepts no responsibility for changes
>>> made after they were sent or for other risks which arise as a result of
>>> e-mail transmission, viruses, etc.
>>>
>>>
>>> ------------------------------------------------------------
>>> ------------------
>>> Check out the vibrant tech community on one of the world's most
>>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
>>> _______________________________________________
>>> GeoTools-Devel mailing list
>>> [email protected]
>>> https://lists.sourceforge.net/lists/listinfo/geotools-devel
>>>
>>>
>>
>>
>> --
>> Ian Turton
>>
>
>
>
> --
>
> Regards,
>
> Mauro Bartolomeoli
>
> ==
> GeoServer Professional Services from the experts! Visit
> http://goo.gl/it488V for more information.
> ==
>
> Dott. Mauro Bartolomeoli
> @mauro_bart
> Technical Lead
>
> GeoSolutions S.A.S.
> Via di Montramito 3/A
> 55054 Massarosa (LU)
> Italy
> phone: +39 0584 962313 <+39%200584%20962313>
> fax: +39 0584 1660272 <+39%200584%20166%200272>
>
> http://www.geo-solutions.it
> http://twitter.com/geosolutions_it
>
> -------------------------------------------------------
>
> AVVERTENZE AI SENSI DEL D.Lgs. 196/2003
>
> Le informazioni contenute in questo messaggio di posta elettronica e/o
> nel/i file/s allegato/i sono da considerarsi strettamente riservate. Il
> loro utilizzo è consentito esclusivamente al destinatario del messaggio,
> per le finalità indicate nel messaggio stesso. Qualora riceviate questo
> messaggio senza esserne il destinatario, Vi preghiamo cortesemente di
> darcene notizia via e-mail e di procedere alla distruzione del messaggio
> stesso, cancellandolo dal Vostro sistema. Conservare il messaggio stesso,
> divulgarlo anche in parte, distribuirlo ad altri soggetti, copiarlo, od
> utilizzarlo per finalità diverse, costituisce comportamento contrario ai
> principi dettati dal D.Lgs. 196/2003.
>
> The information in this message and/or attachments, is intended solely for
> the attention and use of the named addressee(s) and may be confidential or
> proprietary in nature or covered by the provisions of privacy act
> (Legislative Decree June, 30 2003, no.196 - Italy's New Data Protection
> Code).Any use not in accord with its purpose, any disclosure, reproduction,
> copying, distribution, or either dissemination, either whole or partial, is
> strictly forbidden except previous formal approval of the named
> addressee(s). If you are not the intended recipient, please contact
> immediately the sender by telephone, fax or e-mail and delete the
> information in this message that has been received in error. The sender
> does not give any warranty or accept liability as the content, accuracy or
> completeness of sent messages and accepts no responsibility for changes
> made after they were sent or for other risks which arise as a result of
> e-mail transmission, viruses, etc.
>
>
--
Ian Turton
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
_______________________________________________
GeoTools-Devel mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/geotools-devel
