<div dir="ltr"><div><div><div>Hi Sven,<br>if it is a Translation Transform, then try this.<br><br>import itk<br><span style="font-size:10pt;font-family:Consolas" lang="EN-US">displacement </span>= itk.TranslationTransform[itk.F,dimension].New()<br>
</div>where dimension looks to be 3 in your case.<br><br></div>BR<br></div>JN<br><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Apr 8, 2014 at 5:34 PM, Prevrhal, Sven <span dir="ltr"><<a href="mailto:Sven.Prevrhal@philips.com" target="_blank">Sven.Prevrhal@philips.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10pt;font-family:Consolas" lang="EN-US">I am looking at the itk Software Guide to figure out how to implement this in Python. I have:<u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10pt;font-family:Consolas" lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10pt;font-family:Consolas" lang="EN-US"> nccMetric = itk.<u>NormalizedCorrelationImageToImageMetric</u>.IF3IF3.New()</span><span style="font-size:10pt;font-family:Consolas" lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10pt;font-family:Consolas" lang="EN-US"> nccMetric.SetTransform(itk.<u>IdentityTransform</u>.D3.New())</span><span style="font-size:10pt;font-family:Consolas" lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10pt;font-family:Consolas" lang="EN-US"> nccMetric.SetInterpolator(itk.<u>NearestNeighborInterpolateImageFunction</u>.IF3D.New())</span><span style="font-size:10pt;font-family:Consolas" lang="EN-US"><u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10pt;font-family:Consolas" lang="EN-US"> nccMetric.SetFixedImage(fixedImage)<u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10pt;font-family:Consolas" lang="EN-US"> nccMetric.SetMovingImage(movingImage)<u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10pt;font-family:Consolas" lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10pt;font-family:Consolas" lang="EN-US">which I believe works fine. I am getting stumped by the translation of this to Python:<u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10pt;font-family:Consolas" lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span style="font-size:10pt;font-family:Consolas" lang="EN-US"> # ITK software guide page 390<u></u><u></u></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span style="font-size:10pt;font-family:Consolas" lang="EN-US"> # C++ code: MetricType::TransformParametersType displacement( Dimension );<u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10pt;font-family:Consolas" lang="EN-US"> displacement = nccMetric.??
<u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10pt;font-family:Consolas" lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10pt;font-family:Consolas" lang="EN-US">After which
<u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:10pt;font-family:Consolas" lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span style="font-size:10pt;font-family:Consolas" lang="EN-US">value = nccMetric.GetValue( displacement )<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">should work fine. Anybody knows this?<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125)" lang="EN-US">Regards,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125)" lang="EN-US">Sven<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:rgb(31,73,125)" lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><b><span style="color:rgb(54,95,145)" lang="EN-US">Sven Prevrhal<u></u><u></u></span></b></p>
<p class="MsoNormal"><span style="color:rgb(54,95,145)" lang="EN-US">Philips Research<u></u><u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
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