Thanks Jordi, the problem was the viewer :D when i changed it, worked fine.

On Wednesday, April 8, 2015 at 2:24:12 PM UTC+8, Jordi Inglada wrote:
>
> Moataz Ahmed <[email protected] <javascript:>> wrote: 
> > 
> > Dears, 
> > 
> > I am using otbcli_KMeansClassification to classify-multi bands 
> > satellite image using the following command, 
> > 
> > otbcli_KMeansClassification -in pansharpan_04_201401311.tif -ts 1000 - 
> > nc 5 -maxit 1000 -ct 0.0001 -out pansharpan_classes.tif 
> > 
> > No errors appeared but also the output raster "pansharpan_classes.tif" 
> > is empty pixels with big image size "more that 200MB" 
> > 
>
> Hi, 
>
> What do you mean by empty pixels? Are the values 0, NaN? Are all the 
> values identical or is it just a display problem (depending on what viewer 
> you use, the labels 1-5 will be displayed as very dark)? 
>
> Jordi 
>

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