Hi,
Is it possible to return attribute information on raster layers?
To give examples, I want to know if you can return the source filename for image mosaic layers.
I would also be interested in knowing if the GeoServer is able to read Exif tags in photos etc.
Best Regards,
Paul
On 31 August 2016 at 16:15, Paul Wittle <P.Wittle@anonymised.com> wrote:
Hi,
Is it possible to return attribute information on raster layers?
For a raster the attributes tend towards red, green and blue values.
To give examples, I want to know if you can return the source filename for
image mosaic layers.
No, I don't think so. But if you added the index layer as a layer you could
do getFeatureInfo requests against that.
I would also be interested in knowing if the GeoServer is able to read
Exif tags in photos etc.
I don't think so
Ian
Thanks Ian,
So nothing in the http://docs.geoserver.org/stable/en/user/tutorials/imagemosaic_timeseries/imagemosaic_time-elevationseries.html tutorial will help me then?
Thanks,
Paul
On 31 August 2016 at 16:15, Paul Wittle <P.Wittle@…7193…> wrote:
Hi,
Is it possible to return attribute information on raster layers?
For a raster the attributes tend towards red, green and blue values.
To give examples, I want to know if you can return the source filename for image mosaic layers.
No, I don’t think so. But if you added the index layer as a layer you could do getFeatureInfo requests against that.
I would also be interested in knowing if the GeoServer is able to read Exif tags in photos etc.
I don’t think so
Ian
Not there, but you could write a PropertyCollector reading the exif tags and the like, so that they
are added to the index, and then indeed publish the index via WFS.
If it’s a mosaic that’s the way to go, if we are talking single images it seems a bit complicated, but
still, there are no other ways, exposing other types of coverage properties would be possible, but
also quite a bit of work (read them in the reader, store them in the coverage, change featureinfo
to look for these extra attributes)
Cheers
Andrea
On Wed, Aug 31, 2016 at 5:54 PM, Paul Wittle <P.Wittle@anonymised.com> wrote:
Thanks Ian,
So nothing in the http://docs.geoserver.org/stable/en/user/tutorials/imagemosaic_timeseries/imagemosaic_time-elevationseries.html tutorial will help me then?
Thanks,
Paul
From: Ian Turton [mailto:ijturton@anonymised.com]
Sent: 31 August 2016 16:42
To: Paul Wittle
Cc: geoserver-users@anonymised.comsourceforge.net
Subject: Re: [Geoserver-users] GetFeatureInfo on Raster layersOn 31 August 2016 at 16:15, Paul Wittle <P.Wittle@anonymised.com> wrote:
Hi,
Is it possible to return attribute information on raster layers?
For a raster the attributes tend towards red, green and blue values.
To give examples, I want to know if you can return the source filename for image mosaic layers.
No, I don’t think so. But if you added the index layer as a layer you could do getFeatureInfo requests against that.
I would also be interested in knowing if the GeoServer is able to read Exif tags in photos etc.
I don’t think so
Ian
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