<div dir="ltr"><p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif">Hi,</p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"> </p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif">I have an engineering crs that I would like to transform
with an affine transformation. </p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"> </p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif">The transformation for the crs is defined in 9624<span lang="EN-US">: </span></p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><a href="https://epsg.org/coord-operation-method_9624/Affine-parametric-transformation.html" style="color:rgb(5,99,193)">https://epsg.org/coord-operation-method_9624/Affine-parametric-transformation.html</a> <span lang="EN-US"></span></p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"> </p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif">The coordinate transformation parameter values are:</p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif">A0 = 82357.457 metres</p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif">A1 = 0.304794369</p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif">A2 = 0.000015417425</p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif">B0 = 28091.324 metres</p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif">B1 = -0.000015417425</p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif">B2 = 0.304794369</p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"> </p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><span lang="EN-US">Is there anyone
who can help me address w</span>hich parameters correspond to <span lang="EN-US">those</span> defined in PROJ affine?  </p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"> </p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif">A0 <span lang="EN-US">= </span>+xoff<span lang="EN-US">? </span></p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><span lang="EN-US">A1 = +s11?</span></p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><span lang="EN-US">A2 = ?</span></p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif">B0<span lang="EN-US"> =</span>
+yoff<span lang="EN-US">?</span></p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><span lang="NO-BOK">B1 = </span>+s22<span lang="NO-BOK">?</span></p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><span lang="NO-BOK">B2 = ?</span></p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><span lang="NO-BOK"> </span></p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><span lang="NO-BOK">Regards,</span></p>

<p class="MsoNormal" style="margin:0cm;font-size:12pt;font-family:Calibri,sans-serif"><span lang="NO-BOK">Torill Gabrielsen</span></p></div>