[mapserver-users] Mapserver 7.0 and NODATA setting

[Andrea Peri]

Hi,

I have a clearly response from the log.

The nodata is unsupported for this kind of rasters.

> LoadGDALImage(rt_sat.LC8191.rt.attuale): NODATA value -9999 in GDAL
>file or PROCESSING directive largely ignored.  Not yet fully supported for
>unclassified scaled data.  The NODATA value is excluded from auto-scaling
>min/max computation, but will not be transparent.

So I must found another solution for my rasters.

Regards.



2015-08-18 9:08 GMT+02:00 Andrea Peri <aperi2007 at gmail.com>:
> 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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>> Andrea Peri
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>
>
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> Andrea Peri
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Andrea Peri
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