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<p>Hello,</p>
<p>unfortunately we cannot help you. Those files are not available
under an open data license, and must be acquired for a fee with
<a class="moz-txt-link-freetext" href="https://www.igmi.org/en">https://www.igmi.org/en</a></p>
<p>Even<br>
</p>
<div class="moz-cite-prefix">Le 01/05/2025 à 17:47, Sourabh Arora a
écrit :<br>
</div>
<blockquote type="cite"
cite="mid:CAJb+4z2A7UbMOTQBrd7SQDJECT_NMugxtxT=2T_55w-Fc+Pq8Q@mail.gmail.com">
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<div>
<div>
<p dir="auto"
style="font-size:1rem;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;text-decoration:none;font-family:'-apple-system','helveticaneue';word-spacing:0px;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">Dear
Sir,</p>
<p dir="auto"
style="font-size:1rem;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;text-decoration:none;font-family:'-apple-system','helveticaneue';word-spacing:0px;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">I
hope this message finds you well.</p>
<p
style="font-size:1rem;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;text-decoration:none;font-family:'-apple-system','helveticaneue';word-spacing:0px;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">I
am currently working on a geospatial project that requires
accurate coordinate transformations for Italian geodetic
systems using PROJ/GDAL on Windows. In particular, we
require NTv2 grid files for the following transformations:</p>
<ol
style="font-size:16px;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;text-decoration:none;font-family:'-apple-system','helveticaneue';word-spacing:0px;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)"
start="1">
<li
style="font-family:'-apple-system','helveticaneue';background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">
<p
style="font-family:'-apple-system','helveticaneue';font-size:1rem;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">ED50
to RDN2008</p>
<p
style="font-family:'-apple-system','helveticaneue';font-size:1rem;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">Grid:
35160622_47161840_E50_F00.gsb</p>
</li>
<li
style="font-family:'-apple-system','helveticaneue';background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">
<p
style="font-family:'-apple-system','helveticaneue';font-size:1rem;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">IGM95
to RDN2008</p>
<p
style="font-family:'-apple-system','helveticaneue';font-size:1rem;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">Grid:
35160622_47161840_F89_F00.gsb</p>
</li>
<li
style="font-family:'-apple-system','helveticaneue';background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">
<p
style="font-family:'-apple-system','helveticaneue';font-size:1rem;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">Monte
Mario to RDN2008</p>
<p dir="auto"
style="font-family:'-apple-system','helveticaneue';font-size:1rem;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">Grid:
35160622_47161840_R40_F00.gsb</p>
</li>
</ol>
<p dir="auto"
style="font-size:1rem;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;text-decoration:none;font-family:'-apple-system','helveticaneue';word-spacing:0px;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">These
grid files are referenced on EPSG and PROJ documentation
but are not publicly available in the PROJ-data repository
or through projsync. As these transformations are critical
for our application’s spatial accuracy, I would kindly
like to request access to these .gsb files.</p>
<p dir="auto"
style="font-size:1rem;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;text-decoration:none;font-family:'-apple-system','helveticaneue';word-spacing:0px;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">If
there formal procedure I need to follow, I would be happy
to comply.</p>
<p dir="auto"
style="font-size:1rem;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;text-decoration:none;font-family:'-apple-system','helveticaneue';word-spacing:0px;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">Please
let me know if additional information is required
regarding the area of interest or the intended usage.</p>
<p dir="auto"
style="font-size:1rem;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;text-decoration:none;font-family:'-apple-system','helveticaneue';word-spacing:0px;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">Thank
you in advance for your time and support.</p>
<p
style="font-size:1rem;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;text-decoration:none;font-family:'-apple-system','helveticaneue';word-spacing:0px;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">Best
regards,</p>
<p
style="font-size:1rem;font-style:normal;font-weight:400;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;text-decoration:none;font-family:'-apple-system','helveticaneue';word-spacing:0px;background-color:rgba(0,0,0,0);border-color:rgb(0,0,0);color:rgb(0,0,0)">Sourabh
Arora</p>
</div>
</div>
</div>
</blockquote>
<pre class="moz-signature" cols="72">--
<a class="moz-txt-link-freetext" href="http://www.spatialys.com">http://www.spatialys.com</a>
My software is free, but my time generally not.</pre>
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