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<p>Thank you for your answer Veronica,</p>
<p>in the meantime I found an addons that does exactly what I need:
sample a strds at specific point in space and time defined by
means of a point vector layer having an attribute column with
dates (tool prepared by @Luca Delucchi: thank you)<br>
</p>
<p>I put the link here for anyone that in the future may have a
similar problem:<br>
</p>
<p><a class="moz-txt-link-freetext" href="https://grass.osgeo.org/grass82/manuals/addons/t.rast.what.aggr.html">https://grass.osgeo.org/grass82/manuals/addons/t.rast.what.aggr.html</a></p>
<p>thank you again</p>
<p>Ivan<br>
</p>
<p><br>
</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 24/07/22 13:07, Veronica Andreo
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAAMki4FtAsQtjyg8jr4zFA4Wc34tM1p3KGVJjVULzLAjogoOqQ@mail.gmail.com">
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<div dir="ltr">
<div>Hello Ivan, <br>
</div>
<div><br>
</div>
<div>Space-time datasets in GRASS are map based, so, you either
need to create one vector map per date and then create the
time series and register the maps there, or in the case of
STVDS, you could also add a different layer per date to the
same vector map and register those as in: <a
href="https://grass.osgeo.org/grass80/manuals/t.register.html#north-carolina-dataset"
moz-do-not-send="true" class="moz-txt-link-freetext">https://grass.osgeo.org/grass80/manuals/t.register.html#north-carolina-dataset</a>
(see the "Register a vector map with layers representing time
steps" example)</div>
<div><br>
</div>
<div>HTH, <br>
</div>
<div>Vero<br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">El vie, 22 jul 2022 a las
14:34, Ivan Marchesini (<<a
href="mailto:ivan.marchesini@gmail.com"
moz-do-not-send="true" class="moz-txt-link-freetext">ivan.marchesini@gmail.com</a>>)
escribió:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Dear
GRASS users,<br>
<br>
I have a question about the creation of a spatio-temporal
vector datasets<br>
<br>
I have a vector points map representing sample sites and it
includes a <br>
field of the attribute table describing the sampling date (a
different <br>
day, not sequential, for each point).<br>
<br>
I would like to transform the vector point map into a stvds in
order to <br>
use it with t.vect.what.strds.<br>
<br>
My question is: is it possible to register the vector point
map as a stvds?<br>
<br>
thank you<br>
<br>
Ivan<br>
<br>
<br>
<br>
<br>
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</div>
</blockquote>
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