<div dir="ltr">Thanks very much. your tip was much helpful </div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Even Rouault <<a href="mailto:even.rouault@spatialys.com">even.rouault@spatialys.com</a>> escreveu no dia quarta, 16/06/2021 à(s) 14:19:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p>Fiat,</p>
<p>You could start by setting the environment variable /
configuration option GTIFF_REPORT_COMPD_CS to YES (see
<a href="https://gdal.org/drivers/raster/gtiff.html#configuration-options" target="_blank">https://gdal.org/drivers/raster/gtiff.html#configuration-options</a>),
that will make the GeoTIFF driver report a Compound CRS if the
GeoTIFF keys contain information on the vertical CRS/datum.</p>
<p>If that doesn't work, then you'll have to connect with the data
producer and ask him...</p>
<p>Even<br>
</p>
<div>Le 16/06/2021 à 15:15, fiat lux a
écrit :<br>
</div>
<blockquote type="cite">
<div dir="ltr">
<div>I need help with identifying vertical datum on raster for a
project that I am working on. When I run gdalinfo raster.tif,
I can identify the horizontal reference system as given by the
EPSG:XXXX. However, I am struggling identifying the vertical
reference system; which is a prerequisite for transforming
vertical datum using gdal. </div>
<div><br>
</div>
<div>Thanks for the help</div>
<div><br>
</div>
<div>Fiat </div>
</div>
<br>
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