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<p>Scott,</p>
<p>You don't need to depend on Esri for that:<br>
</p>
<p>$ gdalsrsinfo IAU_2015:200000101<br>
<br>
PROJ.4 : +proj=longlat +a=487300 +b=446000 +no_defs<br>
<br>
OGC WKT2:2019 :<br>
GEOGCRS["Ceres (2015) / Ographic",<br>
DATUM["Ceres (2015)",<br>
ELLIPSOID["Ceres (2015)",487300,11.7990314769976,<br>
LENGTHUNIT["metre",1]],<br>
ANCHOR["Kait: 0.0"]],<br>
PRIMEM["Reference Meridian",0,<br>
ANGLEUNIT["degree",0.0174532925199433]],<br>
CS[ellipsoidal,2],<br>
AXIS["geodetic latitude (Lat)",north,<br>
ORDER[1],<br>
ANGLEUNIT["degree",0.0174532925199433]],<br>
AXIS["geodetic longitude (Lon)",east,<br>
ORDER[2],<br>
ANGLEUNIT["degree",0.0174532925199433]],<br>
ID["IAU",200000101,2015],<br>
REMARK["Source of IAU Coordinate systems:
<a class="moz-txt-link-freetext" href="https://doi.org/10.1007/s10569-017-9805-5">https://doi.org/10.1007/s10569-017-9805-5</a>"]]<br>
</p>
<p>Even<br>
</p>
<div class="moz-cite-prefix">Le 21/12/2024 à 15:17, Reynolds, Scott
via gdal-dev a écrit :<br>
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<p class="MsoNormal">As a user of GDAL in some of our products
I’m trying to find a contact, probably/possibly at Esri, that
could add a new entry for Ceres that uses the oblate
parameters defined
<a
href="https://astropedia.astrogeology.usgs.gov/download/Docs/WGCCRE/WGCCRE2015reprint.pdf"
moz-do-not-send="true">
here</a> (487.3km, 446km). ESRI:104972 exists for the
spherical definition (470 km).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">Scott<o:p></o:p></p>
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<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.
Butcher of all kinds of standards, open or closed formats. At the end, this is just about bytes.
Mood of the day: "Bien entendu, on peut sauter sur sa chaise comme un cabri en disant : les standards ! les standards ! les standards ! Mais ça n’aboutit à rien et ça ne signifie rien." ~ dixit De Gaulle</pre>
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