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
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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 serverconfigured
image mosaic plugin with geotiff's and postgis, as suggested in the
tutorialgeotiffs 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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