[mapserver-users] Mapserver 7.0 and NODATA setting

[Andrea Peri]

So my question is a little different.

Seem that mapserver was not able to automatically understand the
NODATA values of floating point rasters.

In my usecase: the NODATA value is -9999.0
I produce the catalog using gdaltindex, and apply the result to mapserver 7.

The result is this:

http://tinyurl.com/ndsdyr8

The only partially solution I found was to set
OFFSITE 0 0 0
but it is acceptable for my usecase because the black color is a color
really available inside the rasters and it is not usable as a
transparent color.

Is this an issue for mapserver 7 ?

Thx,

A.



2015-08-17 16:11 GMT+02:00 Andrea Peri <aperi2007 at gmail.com>:
> Hi Jukka.
>
> Perhaps you have right !
>
> The NODATA setting is an ancient setting that I reuse always in my
> mapfiles but only now I notice that the mapserver document don't
> report him.
> So more probably it is a false setting.
>
> But , if the nodata setting dont exist, how say to the mapserver to
> filter the nodata of a floating raster  ?
>
> Thx.
>

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