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<p>Olivier,</p>
<p>hum, good finding. This is actually an oversight of the
implementation. The WKT2 grammar
(<a class="moz-txt-link-freetext" href="http://docs.opengeospatial.org/is/18-010r7/18-010r7.html#149">http://docs.opengeospatial.org/is/18-010r7/18-010r7.html#149</a>)
does indeed allow usage/scope/extent/id/remark for a bound CRS but
our C++ classes do not allow for that now. Could you file a ticket
in <a class="moz-txt-link-freetext" href="https://github.com/OSGeo/PROJ/issues/new">https://github.com/OSGeo/PROJ/issues/new</a> about that ?</p>
<p>Even<br>
</p>
<div class="moz-cite-prefix">Le 18/08/2021 à 13:38, Olivier PENA a
écrit :<br>
</div>
<blockquote type="cite"
cite="mid:VI1PR0302MB3471995DD8FCDB4CE9CE3BEAB2FF9@VI1PR0302MB3471.eurprd03.prod.outlook.com">
<meta name="Generator" content="Microsoft Word 15 (filtered
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<p class="MsoNormal">Hi</p>
<p class="MsoNormal"><span lang="EN-US">I’m looking for a way to
set area of use for a BoundCRS I define with WKT like this
one :</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal">BOUNDCRS[</p>
<p class="MsoNormal"> SOURCECRS[</p>
<p class="MsoNormal"> PROJCRS["Monte Mario / Italy zone
2",</p>
<p class="MsoNormal"> <span lang="EN-US">BASEGEOGCRS["Monte
Mario",</span></p>
<p class="MsoNormal"><span lang="EN-US">
DATUM["Monte Mario",</span></p>
<p class="MsoNormal"><span lang="EN-US">
ELLIPSOID["International 1924",6378388,297,</span></p>
<p class="MsoNormal"><span lang="EN-US">
LENGTHUNIT["metre",1]]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
PRIMEM["Greenwich",0,</span></p>
<p class="MsoNormal"><span lang="EN-US">
ANGLEUNIT["degree",0.0174532925199433]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",4265]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
CONVERSION["unnamed",</span></p>
<p class="MsoNormal"><span lang="EN-US">
METHOD["Transverse Mercator",</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",9807]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
PARAMETER["Latitude of natural origin",0,</span></p>
<p class="MsoNormal"><span lang="EN-US">
ANGLEUNIT["degree",0.0174532925199433],</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",8801]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
PARAMETER["Longitude of natural origin",15,</span></p>
<p class="MsoNormal"><span lang="EN-US">
ANGLEUNIT["degree",0.0174532925199433],</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",8802]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
PARAMETER["Scale factor at natural origin",0.9996,</span></p>
<p class="MsoNormal"><span lang="EN-US">
SCALEUNIT["unity",1],</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",8805]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
PARAMETER["False easting",2520000,</span></p>
<p class="MsoNormal"><span lang="EN-US">
LENGTHUNIT["metre",1],</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",8806]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
PARAMETER["False northing",0,</span></p>
<p class="MsoNormal"><span lang="EN-US">
LENGTHUNIT["metre",1],</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",8807]]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
CS[Cartesian,2],</span></p>
<p class="MsoNormal"><span lang="EN-US">
AXIS["x",east,</span></p>
<p class="MsoNormal"><span lang="EN-US">
ORDER[1],</span></p>
<p class="MsoNormal"><span lang="EN-US">
LENGTHUNIT["metre",1]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
AXIS["y",north,</span></p>
<p class="MsoNormal"><span lang="EN-US">
ORDER[2],</span></p>
<p class="MsoNormal"><span lang="EN-US">
LENGTHUNIT["metre",1]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",3004]]],</span></p>
<p class="MsoNormal"><span lang="EN-US"> TARGETCRS[</span></p>
<p class="MsoNormal"><span lang="EN-US"> GEOGCRS["WGS
84",</span></p>
<p class="MsoNormal"><span lang="EN-US"> DATUM["World
Geodetic System 1984",</span></p>
<p class="MsoNormal"><span lang="EN-US">
ELLIPSOID["WGS 84",6378137,298.257223563,</span></p>
<p class="MsoNormal"><span lang="EN-US">
LENGTHUNIT["metre",1]]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
PRIMEM["Greenwich",0,</span></p>
<p class="MsoNormal"><span lang="EN-US">
ANGLEUNIT["degree",0.0174532925199433]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
CS[ellipsoidal,2],</span></p>
<p class="MsoNormal"><span lang="EN-US">
AXIS["latitude",north,</span></p>
<p class="MsoNormal"><span lang="EN-US">
ORDER[1],</span></p>
<p class="MsoNormal"><span lang="EN-US">
ANGLEUNIT["degree",0.0174532925199433]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
AXIS["longitude",east,</span></p>
<p class="MsoNormal"><span lang="EN-US">
ORDER[2],</span></p>
<p class="MsoNormal"><span lang="EN-US">
ANGLEUNIT["degree",0.0174532925199433]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",4326]]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
ABRIDGEDTRANSFORMATION["Transformation from Monte Mario to
WGS84",</span></p>
<p class="MsoNormal"><span lang="EN-US"> METHOD["Position
Vector transformation (geog2D domain)",</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",9606]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
PARAMETER["X-axis translation",-50.2,</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",8605]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
PARAMETER["Y-axis translation",-50.4,</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",8606]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
PARAMETER["Z-axis translation",84.8,</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",8607]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
PARAMETER["X-axis rotation",-0.69,</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",8608]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
PARAMETER["Y-axis rotation",-2.012,</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",8609]],</span></p>
<p class="MsoNormal"><span lang="EN-US">
PARAMETER["Z-axis rotation",0.459,</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",8610]],</span></p>
<p class="MsoNormal"><span lang="EN-US"> PARAMETER["Scale
difference",0.99997192,</span></p>
<p class="MsoNormal"><span lang="EN-US">
ID["EPSG",8611]]],</span></p>
<p class="MsoNormal"><span lang="EN-US"> USAGE[</span></p>
<p class="MsoNormal"><span lang="EN-US">
SCOPE["unknown"],</span></p>
<p class="MsoNormal"><span lang="EN-US"> AREA["Italy -
Sicily onshore"],</span></p>
<p class="MsoNormal"><span lang="EN-US">
BBOX[36.59,12.36,38.35,15.71]]</span></p>
<p class="MsoNormal"><span lang="EN-US">]</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">I would be happy if
proj_get_area_of_use() on the crs return the Sicily BBox.</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">I ran a debug session
and it seems that USAGE node is not taken account in
buildBoundCRS() in io.cpp. Same behavior in the json parser.</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Is this normal behavior
?</span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
</div>
<br>
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<pre class="moz-quote-pre" wrap="">_______________________________________________
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<pre class="moz-signature" cols="72">--
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My software is free, but my time generally not.</pre>
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