Hi Danielle:
Because GRIB are so complex, NcML cannot be used to aggregate.
Have a look at
http://www.unidata.ucar.edu/software/thredds/current/tds/reference/collections/GribCollections.html
John
On Fri, Aug 7, 2015 at 3:46 AM, Daniele Romagnoli <
daniele.romagnoli@xxxxxxxxxxxxxxxx> wrote:
> Hi list.
> Sorry for bothering you again. (I know how much can be annoying receiving
> "PING" from the same user about same Topic within a mailing list since I
> also contribute to some open source projects where people frequently repeat
> asks for help to devs which are basically volunteers).
>
> Did you have any chance to take a look to my latest question?
> No rush on this since I'll be in vacation next week. I just would like to
> know if somebody has any feedback or idea on that.
>
> Best Regards,
> Daniele
>
>
>
>
>
>
> On Fri, Jul 31, 2015 at 1:03 PM, Daniele Romagnoli <
> daniele.romagnoli@xxxxxxxxxxxxxxxx> wrote:
>
>> Hi John,
>> I'm here again.
>> Is there any way by java code to open a NetCDFDataset on top of a folder
>> containing multiple GRIB files?
>> The past week I tried setting up an NCML to do the union of multiple
>> GRIBs by doing aggregation on time dimension but opening back that NCML
>> with ToolsUI I didn't see all the available time.
>>
>> Please, let me know.
>> Best Regards,
>> Daniele
>>
>> On Mon, Jul 27, 2015 at 4:50 PM, Daniele Romagnoli <
>> daniele.romagnoli@xxxxxxxxxxxxxxxx> wrote:
>>
>>> Hi John.
>>> Thanks for your reply.
>>>
>>> Please, read below.
>>>
>>> On Sat, Jul 25, 2015 at 12:51 AM, John Caron <caron@xxxxxxxx> wrote:
>>>
>>>> Hi Daniele:
>>>>
>>>> If you open the files individually, then there is no guarentee of the
>>>> time dimension name. Simply ask each variable what dimension name it uses.
>>>>
>>>
>>> The problem I have is that I'm programmatically insert time values into
>>> a DB where the Table's columns match the dimension names, during first
>>> files scan. (1 Table for each NetCDF Variable).
>>> I will think a bit more on it, in order to understand if I can map them
>>> to a generic "time" in my DB although my code associates table columns to
>>> dimension names when doing the backward search (from DB to dataset).
>>>
>>> Do you have any pointer to that part of the thredds code which is
>>> setting these time dimension names?
>>> If not, no problem: I have a local copy of the thredds code and I'll
>>> look for that by myself.
>>>
>>> Best Regards,
>>> Daniele
>>>
>>>
>>>>
>>>> John
>>>>
>>>> On Fri, Jul 24, 2015 at 10:06 AM, Daniele Romagnoli <
>>>> daniele.romagnoli@xxxxxxxxxxxxxxxx> wrote:
>>>>
>>>>> Hi List,
>>>>> I'm dealing with some forecasts of HRRR and I have a couple of
>>>>> questions.
>>>>> ftp://ftp.ncep.noaa.gov/pub/data/nccf/nonoperational/com/hrrr/prod
>>>>>
>>>>> I'm creating a DB and I'm cataloging 2D subslices of a 4D Variable
>>>>> within tables containing for each variable, the filename, the bbox, the
>>>>> depth and the time validity for that record.
>>>>> When more forecasts are available, I will add more entries in the
>>>>> tables.
>>>>>
>>>>> I have noticed that different forecasts of the same model report
>>>>> different time dimension names.
>>>>> As an instance, if you download
>>>>>
>>>>> hrrr.t01z.wrfsfcf00.grib2
>>>>> hrrr.t01z.wrfsfcf01.grib2
>>>>> hrrr.t01z.wrfsfcf02.grib2
>>>>>
>>>>> you will notice this (I'm reporting a reduced part of info to point
>>>>> out my question. Please take a look at the colors):
>>>>>
>>>>> hrrr.t01z.wrfsfcf00.grib2
>>>>> dimensions:
>>>>> x = 1799;
>>>>> y = 1059;
>>>>> time = 1;
>>>>> float Categorical_freezing_rain_surface(time =1, y=1059, x=1799);
>>>>>
>>>>> hrrr.t01z.wrfsfcf01.grib2
>>>>> dimensions:
>>>>> x = 1799;
>>>>> y = 1059;
>>>>> time = 1;
>>>>> time1 = 1;
>>>>> float Categorical_freezing_rain_surface(time =1, y=1059, x=1799);
>>>>> float
>>>>> Total_column_integrated_graupel_entire_atmosphere_single_layer_1_Hour_Maximum(
>>>>> time1=1, y=1059, x=1799);
>>>>>
>>>>> hrrr.t01z.wrfsfcf02.grib2
>>>>> dimensions:
>>>>> x = 1799;
>>>>> y = 1059;
>>>>> time = 1;
>>>>> time1 = 2;
>>>>> time2 = 1;
>>>>>
>>>>> float Categorical_freezing_rain_surface(time2=1, y=1059, x=1799);
>>>>> float
>>>>> Total_column_integrated_graupel_entire_atmosphere_single_layer_1_Hour_Maximum(
>>>>> time=1, y=1059, x=1799);
>>>>> float Total_precipitation_surface_Mixed_intervals_Accumulation(time1=2,
>>>>> y=1059, x=1799);
>>>>>
>>>>> As you may notice, the same variables have different time dimension
>>>>> names across different forecasts (see blue, red, green colors).
>>>>>
>>>>> Is there any chance to have them using same dimension name across
>>>>> different datasets?
>>>>> Any EnhancementSet to be used, or java property to be set?
>>>>>
>>>>> What do you think about having time dimension names behave the same
>>>>> way across multiple datasets?
>>>>> As an instance, by reserving suffixes in relation to the type of
>>>>> time...
>>>>> Don't know... something like "time" for simple time values,
>>>>> "time1"/"time2" for hourly maximum, accumulations, ...
>>>>>
>>>>> I'm wondering if the way suffixes are added ("1","2") simply depends
>>>>> on the scan order or there is a specification which mandates this
>>>>> numbering
>>>>> order which I'm unaware of.
>>>>> Please. let me know.
>>>>>
>>>>> Best Regards,
>>>>> Daniele
>>>>>
>>>>>
>>>>> --
>>>>> ==
>>>>> GeoServer Professional Services from the experts! Visit
>>>>> http://goo.gl/it488V for more information.
>>>>> ==
>>>>>
>>>>> Ing. Daniele Romagnoli
>>>>> Senior Software Engineer
>>>>>
>>>>> GeoSolutions S.A.S.
>>>>> Via Poggio alle Viti 1187
>>>>> 55054 Massarosa (LU)
>>>>> Italy
>>>>> phone: +39 0584 962313
>>>>> fax: +39 0584 1660272
>>>>>
>>>>> http://www.geo-solutions.it
>>>>> http://twitter.com/geosolutions_it
>>>>>
>>>>> -------------------------------------------------------
>>>>>
>>>>> *AVVERTENZE AI SENSI DEL D.Lgs. 196/2003*
>>>>>
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>>>>>
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>>>>
>>>>
>>>
>>>
>>> --
>>> ==
>>> GeoServer Professional Services from the experts! Visit
>>> http://goo.gl/it488V for more information.
>>> ==
>>>
>>> Ing. Daniele Romagnoli
>>> Senior Software Engineer
>>>
>>> GeoSolutions S.A.S.
>>> Via Poggio alle Viti 1187
>>> 55054 Massarosa (LU)
>>> Italy
>>> phone: +39 0584 962313
>>> fax: +39 0584 1660272
>>>
>>> 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
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>>>
>>>
>>
>>
>> --
>> ==
>> GeoServer Professional Services from the experts! Visit
>> http://goo.gl/it488V for more information.
>> ==
>>
>> Ing. Daniele Romagnoli
>> Senior Software Engineer
>>
>> GeoSolutions S.A.S.
>> Via Poggio alle Viti 1187
>> 55054 Massarosa (LU)
>> Italy
>> phone: +39 0584 962313
>> fax: +39 0584 1660272
>>
>> 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.
>>
>>
>
>
> --
> ==
> GeoServer Professional Services from the experts! Visit
> http://goo.gl/it488V for more information.
> ==
>
> Ing. Daniele Romagnoli
> Senior Software Engineer
>
> GeoSolutions S.A.S.
> Via Poggio alle Viti 1187
> 55054 Massarosa (LU)
> Italy
> phone: +39 0584 962313
> fax: +39 0584 1660272
>
> 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.
>
>
