[mapserver-users] publish raster with integer pixel values

Alexander Petkov greenkov at gmail.com
Mon Dec 13 11:43:40 EST 2010


Hi Simo:

The table snippet you posted below looks like a histogram (ie how many
pixels for each value), and in its form is not sufficient for a map
display. Do you also have the geolocations for these pixels?

Alex

On Fri, Dec 10, 2010 at 2:26 AM, Simone Frigerio
<simone.frigerio at univie.ac.at> wrote:
>  Hi all!
> I have some raster (e.g. DTM) to publish but I have problem on pixel value.
>
> e.g.: an img raster file  classified. The attribute  table could be as
> following:
>
> OID    VALUE    COUNT
> 0        944           3
> 1        945           7
> ...       ....              ....
> 2014  3008        4
>
> Briefly: first record copes with an elevation on 944 m present in 3 pixels.
> Last record has an elevation of 3008 m in 4 pixels.
> How can I visualized continuously this layer with all his 2014 values? How
> can I define automatically all these classes?
> Can you suggest me an idea?
>
> Thanks!
> Simo
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