Ciao Ivan,
the error you are getting is expected since the RasterSymbolizer
is supposed to be used only for single band raster (you can select a
band prior to
applying it using the proper SLD tag).

If you first apply the directo to transform a color into transparent,
you are going from 1 band to at least 2 (or 4 for RGBA) therefore the
RasterSymbolizer
cannot be applied directly since it finds two bands instead of 1.

Simone.
-------------------------------------------------------
===
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Please, update your records!
===
Ing. Simone Giannecchini
GeoSolutions S.A.S.
Founder
Via Poggio alle Viti 1187
55054  Massarosa (LU)
Italy

phone: +39 0584962313
fax:      +39 0584962313
mob:    +39 333 8128928


http://www.geo-solutions.it
http://geo-solutions.blogspot.com/
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-------------------------------------------------------



On Fri, Nov 5, 2010 at 12:29 PM, Ivan Grcic <igr...@gmail.com> wrote:
> Thanks for the response Daniele.
>
> Indeed, changing the footprint to false and inputTransparentColor to
> white does the job. I haven't payed too much attention to footprint
> parameter before.
>
> But there's new problem emerging now. Before I used specific style to
> make white color transparent for 1bit tiffs, such as:
>          <RasterSymbolizer>
>            <ColorMap type="values" extended="true">
>          <!-- paint black values with red-->
>                <ColorMapEntry color="#ff0000" quantity="0" label="0"
> opacity="1"/>
>          <!-- make white transparent-->
>                <ColorMapEntry color="#ffffff" quantity="1" label="1"
> opacity="0"/>
>            </ColorMap>
>          </RasterSymbolizer>
>
> When I set inputTransparentColor error is thrown: Band number 2 is not
> valid (full error attached)
>
> If I use default raster style, and define backgroundValues to 255, and
> OutputTransparentColor: FFFFFF and then later in request put
> transparent=true , image gets transparent for white color.
>
> But this way I cant define some other color for black values.
>
> I will try and play with RasterSymbolizer more, any suggestions welcomed :)
>
> regards,
> Ivan
>
> Any suggestions?
> On Fri, Nov 5, 2010 at 11:17 AM, Daniele Romagnoli
> <daniele.romagn...@geo-solutions.it> wrote:
>> Hi Ivan,
>> did you set the HandleFootprint parameter to false?
>> 2.0.2 relates on 2.6.4 which provides support for footprint (Essentially, a
>> shapefile providing data validity area for each granule composing the
>> mosaic). When using it, each granule is cropped on its footprint borders
>> before doing the mosaic. Therefore, there is no more need to mask a
>> "white-fill" or a "black-fill" or an "inputTransparentColor-fill" to exclude
>> the granule's void area to mosaic it.
>> I have tried your sample data on 2.0.2 by setting the parameter to false and
>> it works fine.
>> Please let me know if you can confirm this.
>> I agree that maybe we can setup the default value for this parameter to
>> false.
>>
>> Regards,
>> Daniele
>>
>> On Thu, Nov 4, 2010 at 1:16 PM, Ivan Grcic <igr...@gmail.com> wrote:
>>>
>>> Hi all,
>>>
>>> Im having problems with setting layer input transparent color since I
>>> upgraded to geoserver 2.0.2.
>>>
>>> I have scanned B&W images, as seen in:
>>>
>>> http://docs.geoserver.org/2.0.2/user/tutorials/image_mosaic_plugin/imagemosaic.html#scanned-maps-mosaic-configuration
>>>
>>> With identical data and identical configuration in geoservers, i cant
>>> get this to work on 2.0.2, while its working just perfect in 2.0.1.
>>> (im attaching two screenshots from both geoservers)
>>>
>>> Has something maybe changed in 2.0.2 regarding to
>>> InputTransparentColor ( or is this maybe a bug)?
>>>
>>> Here is gdalinfo on raster:
>>> Size is 12502, 8335
>>> Coordinate System is `'
>>> Origin = (537499.953137000091374,651000.012564999982715)
>>> Pixel Size = (0.060000000000000,-0.060000000000000)
>>> Image Structure Metadata:
>>>  COMPRESSION=LZW
>>>  INTERLEAVE=BAND
>>> Corner Coordinates:
>>> Upper Left  (  537499.953,  651000.013)
>>> Lower Left  (  537499.953,  650499.913)
>>> Upper Right (  538250.073,  651000.013)
>>> Lower Right (  538250.073,  650499.913)
>>> Center      (  537875.013,  650749.963)
>>> Band 1 Block=256x256 Type=Byte, ColorInterp=Palette
>>>  Overviews: 3126x2084, 1563x1042, 782x521, 391x261, 196x131, 98x66, 49x33
>>>  Image Structure Metadata:
>>>    NBITS=1
>>>  Color Table (RGB with 2 entries)
>>>    0: 0,0,0,255
>>>    1: 255,255,255,255
>>>
>>> Regards,
>>> Ivan
>>>
>>>
>>> ------------------------------------------------------------------------------
>>> The Next 800 Companies to Lead America's Growth: New Video Whitepaper
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>>
>>
>>
>> --
>> -------------------------------------------------------
>> Ing. Daniele Romagnoli
>> Software Engineer
>>
>> GeoSolutions S.A.S.
>> Via Poggio alle Viti 1187
>> 55054  Massarosa (LU)
>> Italy
>>
>> phone: +39 0584962313
>> fax:     +39 0584962313
>> mob:   +39 328 0559267
>>
>>
>> http://www.geo-solutions.it
>> http://geo-solutions.blogspot.com/
>>
>> -------------------------------------------------------
>>
>>
>
>
>
> --
> Ivan Grcic
>
> ------------------------------------------------------------------------------
> The Next 800 Companies to Lead America's Growth: New Video Whitepaper
> David G. Thomson, author of the best-selling book "Blueprint to a
> Billion" shares his insights and actions to help propel your
> business during the next growth cycle. Listen Now!
> http://p.sf.net/sfu/SAP-dev2dev
> _______________________________________________
> Geoserver-users mailing list
> Geoserver-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/geoserver-users
>
>

------------------------------------------------------------------------------
The Next 800 Companies to Lead America's Growth: New Video Whitepaper
David G. Thomson, author of the best-selling book "Blueprint to a 
Billion" shares his insights and actions to help propel your 
business during the next growth cycle. Listen Now!
http://p.sf.net/sfu/SAP-dev2dev
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