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<p class=MsoNormal><span class=SpellE><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Hi</span></font></span><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><span
style='mso-tab-count:1'>ššššššššššš </span></span></font><font size=2
face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-GB'>I have registered two images and I have the result in
a </span></font><font size=2 color=blue face=Courier><span lang=EN-GB
style='font-size:10.0pt;font-family:Courier;mso-bidi-font-family:Courier;
color:blue;mso-ansi-language:EN-GB'>VersorRigid3DTransform</span></font><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-GB'>, now I would like to transform some </span></font><font
size=2 color=blue face=Courier><span lang=EN-GB style='font-size:10.0pt;
font-family:Courier;mso-bidi-font-family:Courier;color:blue;mso-ansi-language:
EN-GB'>vtkPolyData</span></font><font size=2 face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;mso-ansi-language:EN-GB'> using this
transform.<span style='mso-spacerun:yes'>š </span>I believe that </span></font><font
size=2 color=blue face=Courier><span lang=EN-GB style='font-size:10.0pt;
font-family:Courier;mso-bidi-font-family:Courier;color:blue;mso-ansi-language:
EN-GB'>VersorRigid3DTransform</span></font><font size=2 face=Arial><span
lang=EN-GB style='font-size:10.0pt;font-family:Arial;mso-ansi-language:EN-GB'>
contains a rotation (the versor) and a translation, so I set up a 4x4 matrix,
containing the rotation and translation as follows:<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-GB'><span style='mso-tab-count:1'>ššššššššššš </span>|<span
style='mso-tab-count:1'>šššššššššš </span>R11<span style='mso-tab-count:1'>ššššš </span>R12<span
style='mso-tab-count:1'>ššššš </span>R13 <span style='mso-tab-count:1'>šššš </span>Tx<span
style='mso-tab-count:1'>ššššššš </span>|<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-GB'><span style='mso-tab-count:1'>ššššššššššš </span></span></font><font
size=2 face=Arial><span lang=PT-BR style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:PT-BR'>|<span style='mso-tab-count:1'>šššššššššš </span>R21<span
style='mso-tab-count:1'>ššššš </span>R22<span style='mso-tab-count:1'>ššššš </span>R23<span
style='mso-tab-count:1'>ššššš </span>Ty<span style='mso-tab-count:1'>ššššššš </span>|<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face=Arial><span lang=PT-BR style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:PT-BR'><span style='mso-tab-count:1'>ššššššššššš </span>|<span
style='mso-tab-count:1'>šššššššššš </span>R31<span style='mso-tab-count:1'>ššššš </span>R32<span
style='mso-tab-count:1'>ššššš </span>R33<span style='mso-tab-count:1'>ššššš </span>Tz<span
style='mso-tab-count:1'>ššššššš </span>|<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face=Arial><span lang=PT-BR style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:PT-BR'><span style='mso-tab-count:1'>ššššššššššš </span></span></font><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-GB'>|<span style='mso-tab-count:1'>šššššššššš </span>0<span
style='mso-tab-count:1'>ššššššššš </span>0<span style='mso-tab-count:1'>ššššššššš </span>0<span
style='mso-tab-count:1'>ššššššššš </span>1<span style='mso-tab-count:1'>ššššššššš </span>|<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-GB'>I get the rotation matrix R using <span
style='mso-tab-count:1'> </span></span></font><font size=2 color=blue
face=Courier><span lang=EN-GB style='font-size:10.0pt;font-family:Courier;
mso-bidi-font-family:Courier;color:blue;mso-ansi-language:EN-GB'>VersorRigid3DTransform::<a
href="file:///C:\Documents%20and%20Settings\Toon%20Huysmans\My%20Documents\Image-Mesh%20Processing\ITK\DoxygenInsightToolkit-2.0.0\a03144.html#a2"><span
style='text-decoration:none;text-underline:none'>GetRotationMatrix</span></a></span></font><span
lang=EN-GB style='mso-ansi-language:EN-GB'>, and the translation part using </span><font
size=2 color=blue face=Courier><span lang=EN-GB style='font-size:10.0pt;
font-family:Courier;mso-bidi-font-family:Courier;color:blue;mso-ansi-language:
EN-GB'>VersorRigid3DTransform::<a
href="file:///C:\Documents%20and%20Settings\Toon%20Huysmans\My%20Documents\Image-Mesh%20Processing\ITK\DoxygenInsightToolkit-2.0.0\a03144.html#a1"><span
style='text-decoration:none;text-underline:none'>GetOffset</span></a></span></font><span
lang=EN-GB style='mso-ansi-language:EN-GB'>.<span style='mso-spacerun:yes'>š
</span>Then I use </span><font size=2 color=blue face=Courier><span lang=EN-GB
style='font-size:10.0pt;font-family:Courier;mso-bidi-font-family:Courier;
color:blue;mso-ansi-language:EN-GB'>vtkTransform::SetMatrix</span></font><span
lang=EN-GB style='mso-ansi-language:EN-GB'> to set the transform for the
polydata, and I use<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 color=blue face=Courier><span lang=EN-GB style='font-size:10.0pt;
font-family:Courier;mso-bidi-font-family:Courier;color:blue;mso-ansi-language:
EN-GB'>vtkTransformPolyDataFilter</span></font><span lang=EN-GB
style='mso-ansi-language:EN-GB'> to transform the polydata.<span
style='mso-spacerun:yes'>š </span>But the result is not as expected, i.e. the
transformation is not correct.<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=3 face="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;
mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=3 face="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;
mso-ansi-language:EN-GB'>Does anyone have any clues on how to do it the right
way?<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=3 face="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;
mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=3 face="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;
mso-ansi-language:EN-GB'>Many thanks,<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=3 face="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;
mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=3 face="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;
mso-ansi-language:EN-GB'>Toon Huysmans.<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial;
mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;mso-ansi-language:EN-GB;mso-fareast-language:ZH-CN;
mso-no-proof:yes'>¥</span></font><span lang=EN-GB style='mso-fareast-font-family:
SimSun;mso-ansi-language:EN-GB;mso-fareast-language:ZH-CN;mso-no-proof:yes'> </span><span
lang=EN-GB style='mso-ansi-language:EN-GB;mso-no-proof:yes'> </span><span
lang=EN-GB style='mso-ansi-language:EN-GB;mso-fareast-language:ZH-CN;
mso-no-proof:yes'>¨</span><span lang=EN-GB style='mso-fareast-font-family:SimSun;
mso-ansi-language:EN-GB;mso-fareast-language:ZH-CN;mso-no-proof:yes'><o:p></o:p></span></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;mso-ansi-language:EN-GB;mso-no-proof:yes'>¡ Postal
Address:<span style='mso-spacerun:yes'>ššššššššššššššššššššššššššššššššš
</span> ¡</span></font><font size=3><span lang=EN-GB
style='font-size:12.0pt;mso-ansi-language:EN-GB;mso-no-proof:yes'><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;mso-ansi-language:EN-GB;mso-no-proof:yes'>¡ <span
style='mso-spacerun:yes'>ššššššššššššššššššššššššššššššššššššššššššššššš
</span> ¡<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;mso-ansi-language:EN-GB;mso-no-proof:yes'>¡ Vision Lab,
Department of Physics<span style='mso-spacerun:yes'>ššššššššššššššš
</span> </span></font><span lang=EN-GB style='mso-fareast-font-family:
"MS Mincho";mso-ansi-language:EN-GB;mso-fareast-language:JA;mso-no-proof:yes'>¡<o:p></o:p></span></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;mso-ansi-language:EN-GB;mso-no-proof:yes'>¡ <st1:place><st1:PlaceType></span></font><st1:place><st1:PlaceType><span
lang=EN-GB style='mso-ansi-language:EN-GB;mso-no-proof:yes'>University</st1:PlaceType></span></st1:PlaceType><span
lang=EN-GB style='mso-ansi-language:EN-GB;mso-no-proof:yes'> of <st1:PlaceName></span><st1:PlaceName><span
lang=EN-GB style='mso-ansi-language:EN-GB;mso-no-proof:yes'>Antwerp</st1:PlaceName></st1:place></span></st1:PlaceName></st1:place><span
lang=EN-GB style='mso-ansi-language:EN-GB;mso-no-proof:yes'> (CMI)<span
style='mso-spacerun:yes'>ššššššššššššššššššššš </span> ¡<o:p></o:p></span></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;mso-ansi-language:EN-GB;mso-no-proof:yes'>¡
Groenenborgerlaan 171 (U</span><span style='mso-no-proof:yes'>306)<span
style='mso-spacerun:yes'>ššššššššššššššššššš </span> <span
style='mso-spacerun:yes'>š </span>¡<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;mso-no-proof:yes'>¡ B-2020 <st1:place><st1:City>Antwerp</st1:City>, <st1:country-region>Belgium</st1:country-region></st1:place><span
style='mso-spacerun:yes'>ššššššššššššššššššššššššš </span> ¡<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;mso-no-proof:yes'>°€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€´</span></font><font
size=3><span style='font-size:12.0pt;mso-no-proof:yes'><o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;mso-no-proof:yes'>¡ Tel: +32 (0) 3 265 32 24<span
style='mso-spacerun:yes'>šššššššššššššššššššššš </span>
¡<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;mso-no-proof:yes'>°€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€´<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;mso-no-proof:yes'>¡ Fax: +32 (0) 3 265 33 18<span
style='mso-spacerun:yes'>ššššššššššššššššššššš </span>
¡<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;mso-no-proof:yes'>°€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€´<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;mso-no-proof:yes'>¡ Email: </span></font><span lang=FR style='mso-ansi-language:
FR;mso-no-proof:yes'><a href="mailto:toon.huysmans@ua.ac.be"><span lang=NL-BE
style='mso-ansi-language:NL-BE'>toon.huysmans@ua.ac.be</span></a></span><span
style='mso-no-proof:yes'><span style='mso-spacerun:yes'>šššššššššš </span><span
style='mso-spacerun:yes'>ššššššš</span> ¡<o:p></o:p></span></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;mso-no-proof:yes'>°€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€´<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;mso-no-proof:yes'>¡ Web: </span></font><span lang=EN-GB
style='mso-ansi-language:EN-GB;mso-no-proof:yes'><a
href="http://webhost.ua.ac.be/visielab/staff/tohu/"><span lang=NL-BE
style='mso-ansi-language:NL-BE'>http://webhost.ua.ac.be/visielab/staff/tohu/</span></a></span><span
style='mso-no-proof:yes'><span style='mso-spacerun:yes'>šš </span>¡<o:p></o:p></span></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=FR
style='font-size:10.0pt;mso-ansi-language:FR;mso-fareast-language:ZH-CN;
mso-no-proof:yes'>«</span></font><span lang=FR style='mso-ansi-language:FR;
mso-no-proof:yes'> </span><span
lang=FR style='mso-ansi-language:FR;mso-fareast-language:ZH-CN;mso-no-proof:
yes'>®</span><span lang=FR style='mso-fareast-font-family:SimSun;mso-ansi-language:
FR;mso-fareast-language:ZH-CN'><o:p></o:p></span></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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