[gdal-dev] VRT pixel functions on tiled vrt

[William Kyngesburye]

I missed the SourceTransferType parameter, that worked if I used a simple Int16.

thanks

> On Apr 27, 2018, at 2:32 PM, Even Rouault <even.rouault at spatialys.com> wrote:
> 
> On vendredi 27 avril 2018 12:42:16 CEST William Kyngesburye wrote:
> > OK, it worked as vrt of a vrt.  Memory not an issue.
> > 
> > But I have a new problem.  One vrt I want to instead do > -29 (caspian sea,
> > -29 in SRTM data).  The whole region evaluates to 1 (true).  It looks like
> > the in_ar[] is getting truncated to an unsigned byte, 0-255, from its
> > orignal Int16.  
>  
> Check the various data types mentionned in the VRT. Perhaps there's one set to Byte.
> It would also probably be safer to define
> <SourceTransferType>GDT_Int16</SourceTransferType>
> at the same level than the <PixelFunction...> elements
>  
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-----
William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
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