Ciao Ivan,
you have actually discovered a featuer instead of a bug 
(reminder
to myself, write documentation for the mosaic plugin).
You have hole between the various elements. The new mosaic will have a
consistent behavior with holes (while the hole hadn't): it will always
use the background values to fill the holes.
This depends on the data type, but for byte data is 0 (your case).
There is an option to set this value explcitly, in your case
I would put 255, so that the filling will be result in white color
(yeah, the vale is replicated over the varios bands of the data). You
do not need to set any output color.
Simone.
-------------------------------------------------------
Ing. Simone Giannecchini
GeoSolutions S.A.S.
Owner - Software Engineer
Via Carignoni 51
55041 Camaiore (LU)
Italy
phone: +39 0584983027
fax: +39 0584983027
mob: +39 333 8128928
http://www.geo-solutions.it
http://simboss.blogspot.com/
http://www.linkedin.com/in/simonegiannecchini
-------------------------------------------------------
On Tue, Jun 9, 2009 at 8:10 PM, Simone
Giannecchini<simone.giannecchini@anonymised.com> wrote:
Ciao Ivan,
is there any chance that you can provide some data so that I can try
to reproduce this behavior locally?
Simone.
-------------------------------------------------------
Ing. Simone Giannecchini
GeoSolutions S.A.S.
Owner - Software Engineer
Via Carignoni 51
55041 Camaiore (LU)
Italy
phone: +39 0584983027
fax: +39 0584983027
mob: +39 333 8128928
http://www.geo-solutions.it
http://simboss.blogspot.com/
http://www.linkedin.com/in/simonegiannecchini
-------------------------------------------------------
On Tue, Jun 9, 2009 at 7:14 PM, Ivan Grcic<ivan.grcic@anonymised.com> wrote:
Hi devs (Simone
these days i switched from 1.7.2 to 1.7.4 because of the REST api, and
its working just fine.
But after I finished with REST, I noticed strange behaviour in mosiac coverage.
It is similar to this issue http://jira.codehaus.org/browse/GEOT-1642
(and its related and dependent ones)
My tiffs are converted to tiffs with internal jpeg compression, using
gdal_translate. Nodata areas are in white colour.
When I put tiled layer black areas randomly start to appear where
there are is no raster data.
Now I also tried nightly build and it is the same situation as 1.7.4.
I repeat, in 1.7.2 it works perfect.
I attached screenshots of the problem.
One notice, in 1.7.4 when edit coverage I had to put
OutputTransparentColor: #000000, if I put OutputTransparentColor:
#FFFFFF as in 1.7.2 areas without rasters are in black color (images
also attached) Why is that, im curious?
Anyone had similar problems?
Thank you, best regards
--
Ivan Grcic
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Although background color works fine now for single layer, when you combine mosaic layers in one WMS layers, the background color (areas where data doesnt exist) covers the other layer data. In 1.7.2 works normal, in 1.7.4 problem occurs.
