[mapserver-users] Conditional BANDS directive based on underlying data

[Peter Schmitt]

On Tue, Apr 30, 2019 at 4:41 AM Rahkonen Jukka (MML) <
jukka.rahkonen at maanmittauslaitos.fi> wrote:

>
> As Even already answered, using vrt files over the BGRN originals will
> work. We had a need to use both grayscale originals and vrt-falsified RGB
> versions (the only band pointing to red, green, and blue in .vrt) in the
> same service. We have only one tileindex in PostGIS, made from the tiff
> images, but it can be modified on-the-fly in the tileindex layer
>
>
>
> DATA "the_geom from (SELECT the_geom, fid, CASE WHEN filepath like
> '%_mv_%' THEN replace(filepath,'TIFF','vrt') ELSE filepath END AS location,…
>
>
>

Thanks Jukka & Even! A tile index of VRTs should work quite well for my use
case.

Cheers,
Pete
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