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<p>I don't reproduce this (tried with PROJ master):</p>
<pre>$ echo 3356123.5400 1303218.3090 5247430.6050 | PROJ_DEBUG=3 bin/cs2cs IGNF:RGR92 +to IGNF:REUN47
pj_open_lib(proj.ini): call fopen(/home/even/proj/install-proj-master/share/proj/proj.ini) - succeeded
pj_open_lib(proj.db): call fopen(/home/even/proj/install-proj-master/share/proj/proj.db) - succeeded
Using coordinate operation RGR92 (RESEAU GEODESIQUE DE LA REUNION 1992) vers REUNION-PITON DES NEIGES as a fallback due to lack of more appropriate operations
3353420.95 1304075.02 5248935.14
$ echo 3356123.5400 1303218.3090 5247430.6050 | PROJ_DEBUG=3 bin/cs2cs +init=IGNF:RGR92 +to +init=IGNF:REUN47
pj_open_lib(proj.ini): call fopen(/home/even/proj/install-proj-master/share/proj/proj.ini) - succeeded
pj_open_lib(proj.db): call fopen(/home/even/proj/install-proj-master/share/proj/proj.db) - succeeded
pj_open_lib(IGNF): call fopen(IGNF) - failed
pj_open_lib(proj.db): call fopen(/home/even/proj/install-proj-master/share/proj/proj.db) - succeeded
pj_open_lib(IGNF): call fopen(IGNF) - failed
pj_open_lib(proj.db): call fopen(/home/even/proj/install-proj-master/share/proj/proj.db) - succeeded
pj_open_lib(IGNF): call fopen(IGNF) - failed
pj_open_lib(proj.db): call fopen(/home/even/proj/install-proj-master/share/proj/proj.db) - succeeded
pj_open_lib(IGNF): call fopen(IGNF) - failed
pj_open_lib(proj.db): call fopen(/home/even/proj/install-proj-master/share/proj/proj.db) - succeeded
Using coordinate operation RGR92 (RESEAU GEODESIQUE DE LA REUNION 1992) vers REUNION-PITON DES NEIGES as a fallback due to lack of more appropriate operations
3353420.95 1304075.02 5248935.14
$ bin/projinfo -s IGNF:RGR92 -t IGNF:REUN47 -o PROJ
Candidate operations found: 2
-------------------------------------
Operation No. 1:
IGNF:TSG355_RGR92_REUN47, RGR92 (RESEAU GEODESIQUE DE LA REUNION 1992) vers REUNION-PITON DES NEIGES, unknown accuracy, ILE DE LA REUNION
PROJ string:
+proj=helmert +x=-789.99 +y=627.333 +z=89.685 +rx=-0.6072 +ry=-76.8019 +rz=10.568
+s=32.2083 +convention=position_vector
-------------------------------------
Operation No. 2:
INVERSE(IGNF):TSG601_REUN47_RGR92, Inverse of REUNION-PITON DES NEIGES vers RGR92 (RESEAU GEODESIQUE DE LA REUNION 1992), unknown accuracy, ILE DE LA REUNION
PROJ string:
+proj=pipeline
+step +inv +proj=helmert +x=789.524 +y=-626.486 +z=-89.904 +rx=0.6006
+ry=76.7946 +rz=-10.5788 +s=-32.3241 +convention=position_vector
$ echo 3356123.5400 1303218.3090 5247430.6050 | bin/cct +proj=helmert +x=-789.99 +y=627.333 +z=89.685 +rx=-0.6072 +ry=-76.8019 +rz=10.568 +s=32.2083 +convention=position_vector
3353420.9490 1304075.0212 5248935.1441 inf
</pre>
<p></p>
<div class="moz-cite-prefix">Le 30/05/2023 à 19:46, Nicolas
Bellaiche a écrit :<br>
</div>
<blockquote type="cite"
cite="mid:400922225.8539012.1685468809744.JavaMail.zimbra@ign.fr">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div style="font-family: arial, helvetica, sans-serif; font-size:
12pt; color: #000000">
<div>Hi all,</div>
<div><br data-mce-bogus="1">
</div>
<div>Is there any reason why the deprecated syntax "+init="
doesn't give the same result as the new syntax?</div>
<div><br data-mce-bogus="1">
</div>
<div>
<p style="margin: 0px; font-style: normal; font-variant-caps:
normal; font-weight: normal; font-stretch: normal;
font-size: 11px; line-height: normal; font-family: Menlo;
color: rgb(0, 0, 0);" data-mce-style="margin: 0px;
font-style: normal; font-variant-caps: normal; font-weight:
normal; font-stretch: normal; font-size: 11px; line-height:
normal; font-family: Menlo; color: #000000;"><span
style="font-variant-ligatures: no-common-ligatures;"
data-mce-style="font-variant-ligatures:
no-common-ligatures;">echo 3356123.5400 1303218.3090
5247430.6050 | ./cs2cs IGNF:RGR92 +to IGNF:REUN47</span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps:
normal; font-weight: normal; font-stretch: normal;
font-size: 11px; line-height: normal; font-family: Menlo;
color: rgb(0, 0, 0);" data-mce-style="margin: 0px;
font-style: normal; font-variant-caps: normal; font-weight:
normal; font-stretch: normal; font-size: 11px; line-height:
normal; font-family: Menlo; color: #000000;"><span
style="font-variant-ligatures: no-common-ligatures;"
data-mce-style="font-variant-ligatures:
no-common-ligatures;">3353420.95<span class="Apple-tab-span" style="white-space: pre;" data-mce-style="white-space: pre;"> </span>1304075.02
5248935.14</span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps:
normal; font-weight: normal; font-stretch: normal;
font-size: 11px; line-height: normal; font-family: Menlo;
color: rgb(0, 0, 0);" data-mce-style="margin: 0px;
font-style: normal; font-variant-caps: normal; font-weight:
normal; font-stretch: normal; font-size: 11px; line-height:
normal; font-family: Menlo; color: #000000;"><span
style="font-variant-ligatures: no-common-ligatures;"
data-mce-style="font-variant-ligatures:
no-common-ligatures;"><br data-mce-bogus="1">
</span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps:
normal; font-weight: normal; font-stretch: normal;
font-size: 11px; line-height: normal; font-family: Menlo;
color: rgb(0, 0, 0);" data-mce-style="margin: 0px;
font-style: normal; font-variant-caps: normal; font-weight:
normal; font-stretch: normal; font-size: 11px; line-height:
normal; font-family: Menlo; color: #000000;"><span
style="font-variant-ligatures: no-common-ligatures;"
data-mce-style="font-variant-ligatures:
no-common-ligatures;"><br data-mce-bogus="1">
</span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps:
normal; font-weight: normal; font-stretch: normal;
font-size: 11px; line-height: normal; font-family: Menlo;
color: rgb(0, 0, 0);" data-mce-style="margin: 0px;
font-style: normal; font-variant-caps: normal; font-weight:
normal; font-stretch: normal; font-size: 11px; line-height:
normal; font-family: Menlo; color: #000000;"><span
style="font-variant-ligatures: no-common-ligatures;"
data-mce-style="font-variant-ligatures:
no-common-ligatures;">echo 3356123.5400 1303218.3090
5247430.6050 | ./cs2cs +init=IGNF:RGR92 +to
+init=IGNF:REUN47</span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps:
normal; font-weight: normal; font-stretch: normal;
font-size: 11px; line-height: normal; font-family: Menlo;
color: rgb(0, 0, 0);" data-mce-style="margin: 0px;
font-style: normal; font-variant-caps: normal; font-weight:
normal; font-stretch: normal; font-size: 11px; line-height:
normal; font-family: Menlo; color: #000000;"><span
style="font-variant-ligatures: no-common-ligatures;"
data-mce-style="font-variant-ligatures:
no-common-ligatures;">3356123.54<span class="Apple-tab-span" style="white-space: pre;" data-mce-style="white-space: pre;"> </span>1303218.31
5247430.61</span></p>
</div>
<div><br data-mce-bogus="1">
</div>
<div>Thanks in advance for your answers,</div>
</div>
</blockquote>
<br>
<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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