Re: [Geotools-gt2-users] Problems reading huge rasters

Fri, 02 Oct 2009 02:45:53 -0700 

Hello Simone,
I've tried with the new JAR, but it still fails:

02-oct-2009 11:35:57 org.geotools.gce.arcgrid.ArcGridReader
getCoordinateReferenceSystem
INFO: Unable to find crs, continuing with default WGS4 CRS
Exception in thread "main" java.lang.IllegalArgumentException:
Dimensions (width=59000 height=46000) are too large
        at java.awt.image.SampleModel.<init>(SampleModel.java:112)
        at 
java.awt.image.ComponentSampleModel.<init>(ComponentSampleModel.java:128)
        at 
javax.media.jai.ComponentSampleModelJAI.<init>(ComponentSampleModelJAI.java:73)
        at 
javax.media.jai.FloatDoubleColorModel.createCompatibleSampleModel(FloatDoubleColorModel.java:1003)
        at 
it.geosolutions.imageio.plugins.arcgrid.AsciiGridsImageReader.initializeReader(AsciiGridsImageReader.java:344)
        at 
it.geosolutions.imageio.plugins.arcgrid.AsciiGridsImageReader.setInput(AsciiGridsImageReader.java:320)
        at org.geotools.gce.arcgrid.ArcGridReader.<init>(ArcGridReader.java:184)
        at 
org.geotools.gce.arcgrid.ArcGridFormat.getReader(ArcGridFormat.java:157)
        at 
org.geotools.gce.arcgrid.ArcGridFormat.getReader(ArcGridFormat.java:106)
        at etclusi.tests.gt.TestArcGrid.main(TestArcGrid.java:24)


Tell me if I can help in any way. I'm not used to GeoTools internals,
but it doesn't frighten me.

Best regards,

César



El día 2 de octubre de 2009 11:17, Simone Giannecchini
<[email protected]> escribió:
> It is not something you can do in your code, it must be done at a lower level.
> Do this, replace the imageio-ext-arcgrid jar from your project with
> the one attached and let meknow how it goes.
>
> Simone.
> -------------------------------------------------------
> Ing. Simone Giannecchini
> GeoSolutions S.A.S.
> Founder - Software Engineer
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>
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>
> -------------------------------------------------------
>
>
>
> 2009/10/2 César Martínez Izquierdo <[email protected]>:
>> El día 2 de octubre de 2009 10:53, Simone Giannecchini
>> <[email protected]> escribió:
>>> Ciao Cesar,
>>> you ran into a limitation of how images are handle in java. Long story
>>> short width*height cannot be larger than the maximum positive Integer.
>>> However I found a workaround a while ago, I am not sure I ever applied
>>> it to the ascii arcgrid reader.
>>> Which version of geotools are you working with.
>>
>> Hello Simone,
>> now I'm trying with geotools 2.5.7 and I get the same error.
>> Any clue about this workaround?
>>
>> Thanks,
>>
>> César
>>
>>
>> --
>> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
>>   César Martínez Izquierdo
>>   GIS developer
>>   -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
>>   ETC-LUSI: http://etc-lusi.eionet.europa.eu/
>>   Universitat Autònoma de Barcelona (SPAIN)
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>> ------------------------------------------------------------------------------
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-- 
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   César Martínez Izquierdo
   GIS developer
   -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -
   ETC-LUSI: http://etc-lusi.eionet.europa.eu/
   Universitat Autònoma de Barcelona (SPAIN)
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