Hi Marc,
In that case, the "FLAT" merge behaviour does what its name suggests:
It takes all the matching inputs and FLAT them all together to a single
image.
Next questions then:
- Which datatypes of images are you merging? (Byte RGB/Byte Gray/Real
measurements (temperature/humidity/...)/...?)
- Since all the input images cover the same area, what kind of visual
output are you expecting from a set of them?
I mean... if you are mosaicking images covering different locations, you
may want to get back a single image made of all those scattered pieces. In
this case, you will populate instead the same geographic area with data
coming from different times. Are you looking for a multibands image where
each band is made of data coming from a different time of the same region?
Or are you looking instead for a 3D output (lat/lon+time) to be used into
another client? (I'm thinking about setting a NetCDF output with a time
dimension to be view in Panoply, ToolsUI, ...).
Please, let us know what is your intended usage.
Cheers,
Daniele
==
GeoServer Professional Services from the experts! Visit
http://goo.gl/NWWaa2 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
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On Mon, Mar 2, 2015 at 10:37 AM, Marc Schenke <[email protected]> wrote:
> Hi Daniele,
>
> the only difference is the validity time, all raster files cover the exact
> same area. However after checking the corresponding geometry column i
> noticed that sometimes the bounding box declaration varies. It is always in
> the same geographic location (when i look at them on the map) but the order
> of points within the polygon differs. I am not sure if this is an issue,
> since it is always the same set of coordinates.
>
> Cheers,
> Marc
>
> ------------------------------
> From: [email protected]
> Date: Mon, 2 Mar 2015 10:17:04 +0100
> Subject: Re: [Geoserver-users] Image Mosaic Plugin composing behaviour
> To: [email protected]
> CC: [email protected]
>
>
> Hi Marc,
> quick question:
> are these GeoTiffs scattered "around the world" or are all of them
> covering the same exact Bounding Box instead, where the only difference is
> the 7 minutes validity time?
>
> Cheers,
> Daniele
>
>
>
>
>
> ==
> GeoServer Professional Services from the experts! Visit
> http://goo.gl/NWWaa2 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.
>
>
> On Mon, Mar 2, 2015 at 9:13 AM, Marc Schenke <[email protected]> wrote:
>
> Hello,
>
> i have a question concerning the raster data merge behaviour of the image
> mosaic plugin in combination with temporal wms requests. Here's my setup:
>
>
> - Geoserver 2.6.2 running in a Tomcat 7 container on ubuntu 12 server
> - configured image mosaic plugin with geotiff's and postgis, as
> suggested in the tutorial
> - geotiffs are added every 7 minutes and are valid within this
> interval (i have a datefrom and dateto timestamp in the database)
> - Layer is configured to use time dimension with presentation set to
> "continuous interval" and default value "Use the biggest domain value"
> - Merge behaviour is set to "FLAT"
>
>
>
> The time support docs say that i can plot several measurements (in this
> case a raster of rain amounts) over a certain time window: "you might have
> a single dataset with weather observations collected over time and choose
> to plot a single day’s worth of observations."
> http://docs.geoserver.org/latest/en/user/services/wms/time.html
>
>
> So i expected geoserver to somehow compose a picture of several raster
> files when i query the wms for an one hour interval. Instead geoserver
> returns the first geotiff that meets the lower end time of my requested
> interval.
>
>
> Is it possible to configure the geoserver in a way, that it will
> accumulate all raster data for the requested interval within a single
> layer, or did i missunderstand the capabilities of time support and the
> image mosaic plugin? And are there other Merge behaviours than FLAT?
>
> Thanks in advance,
>
> Marc Schenke
>
>
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