[GRASS5] zlib and raster rows

[Andrea Antonello]

It complains about the fact that it doesn't recognise the compression method.
"java.util.zip.DataFormatException: unknown compression method"

It doesn't even start to decompress...

Andrea


On Wednesday 28 April 2004 17:57, Glynn Clements wrote:
> Andrea Antonello wrote:
> > I'm trying to read rasters rows through java, but it doesn't always work.
> > The rows are compressed one by one through zlib (deflate) and put in the
> > file (the header knows where they start).
> >
> > The reading works for me if the data is something like
> > 10.0 20.0 30.0
> > but it can't recognise the compression method when I have something like:
> > 10.123 20.321 30.0
> >
> > In the code I only found the Z_DEFAULT_COMPRESSION used, so I really
> > can't understand what goes on. It should compress always the same way.
> >
> > Any hint?
>
> Are you getting an error from the zlib decompressor, or is the
> uncompressed data just not what you were expecting?

-- 
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University of Trento
Department of Civil and Environmental Engineering
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Andrea Antonello
tel:  +393288497722
fax:  +390461882672
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