[Geoserver-users] white edges appearing around GeoTIFF image

Hi,
I have a GeoTIFF image that I added to Geoserver 2.8.1, and white edges
appeared around it when I tried to view it, regardless of what zoom level.
I've attached a screenshot of the image
<http://osgeo-org.1560.x6.nabble.com/file/n5262381/screenshotOfImageWithWhiteEdges.png&gt;
. I would have attached the GeoTIFF image too but need to figure out how to
attach it.

We tested the same image in Geoserver 2.2.5, and there was no such problem.

I found this post: https://osgeo-org.atlassian.net/browse/GEOS-7270
My knowledge on GeoTIFF is limited, so I'm not sure if it's the same
problem. I did try to set -Dorg.geoserver.render.raster.direct.disable=true
and things improved a bit, the white edges only appeared at certain zoom
levels now but not all zoom levels.

This is the call we made when trying to view the image:
http://<host>:8082/geoserver/gwc/service/wms?LAYERS=WV_1&TRANSPARENT=true&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application/vnd.ogc.se_inimage&FORMAT=image/png&SRS=EPSG:4326&BBOX=-90,56.25,-78.75,67.5&WIDTH=256&HEIGHT=256

Any suggestions?

Thank you in advance,
eting.

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Hi,
the issue seems to have been fixed in the 2.9.x series, can you try 2.9-beta2 and report back?

http://blog.geoserver.org/2016/04/22/geoserver-2-9-beta2-released/

Cheers
Andrea

···

On Fri, Apr 22, 2016 at 3:45 AM, eting123 <eting@anonymised.com> wrote:

Hi,
I have a GeoTIFF image that I added to Geoserver 2.8.1, and white edges
appeared around it when I tried to view it, regardless of what zoom level.
I’ve attached a screenshot of the image
<http://osgeo-org.1560.x6.nabble.com/file/n5262381/screenshotOfImageWithWhiteEdges.png>
. I would have attached the GeoTIFF image too but need to figure out how to
attach it.

We tested the same image in Geoserver 2.2.5, and there was no such problem.

I found this post: https://osgeo-org.atlassian.net/browse/GEOS-7270
My knowledge on GeoTIFF is limited, so I’m not sure if it’s the same
problem. I did try to set -Dorg.geoserver.render.raster.direct.disable=true
and things improved a bit, the white edges only appeared at certain zoom
levels now but not all zoom levels.

This is the call we made when trying to view the image:
http://:8082/geoserver/gwc/service/wms?LAYERS=WV_1&TRANSPARENT=true&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application/vnd.ogc.se_inimage&FORMAT=image/png&SRS=EPSG:4326&BBOX=-90,56.25,-78.75,67.5&WIDTH=256&HEIGHT=256

Any suggestions?

Thank you in advance,
eting.


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Ing. Andrea Aime

@geowolf
Technical Lead

GeoSolutions S.A.S.
Via di Montramito 3/A
55054 Massarosa (LU)
phone: +39 0584 962313

fax: +39 0584 1660272
mob: +39 339 8844549

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We have tested version 2.9.beta2, and happy to report that there are no more
white edges.

However, we observed that there are occasionally blue dotted line (sometimes
it's white) going through the image, please see attached.

Any idea what might be causing this (this is not part of the background, if
we remove the image it's gone):
<http://osgeo-org.1560.x6.nabble.com/file/n5264399/browseImageInOHS.png&gt;

Thanks
eting

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Hi,
looks like a reprojection artifact, but I cannot say more than this.
I suggest you to open a ticket on the bug tracker, adding sample data and a request
to reproduce it (not necessary to have the whole thing, a small sample that shows
the problem is sufficient)

Cheers
Andrea

···

On Wed, May 4, 2016 at 3:37 AM, eting123 <eting@anonymised.com> wrote:

We have tested version 2.9.beta2, and happy to report that there are no more
white edges.

However, we observed that there are occasionally blue dotted line (sometimes
it’s white) going through the image, please see attached.

Any idea what might be causing this (this is not part of the background, if
we remove the image it’s gone):
<http://osgeo-org.1560.x6.nabble.com/file/n5264399/browseImageInOHS.png>

Thanks
eting


View this message in context: http://osgeo-org.1560.x6.nabble.com/white-edges-appearing-around-GeoTIFF-image-tp5262381p5264399.html

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Find and fix application performance issues faster with Applications Manager
Applications Manager provides deep performance insights into multiple tiers of
your business applications. It resolves application problems quickly and
reduces your MTTR. Get your free trial!
https://ad.doubleclick.net/ddm/clk/302982198;130105516;z


Geoserver-users mailing list
Geoserver-users@anonymised.comsts.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/geoserver-users

==
GeoServer Professional Services from the experts! Visit
http://goo.gl/it488V for more information.

Ing. Andrea Aime

@geowolf
Technical Lead

GeoSolutions S.A.S.
Via di Montramito 3/A
55054 Massarosa (LU)
phone: +39 0584 962313

fax: +39 0584 1660272
mob: +39 339 8844549

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.


Thanks Andrea I have just filed this:
https://osgeo-org.atlassian.net/browse/GEOS-7535

(And just want to correct myself: the blue lines were from the background.
It looks like those parts of the image were missing data/transparent,
therefore the blue color from the background is showing.)

Thanks
eting

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