<div dir="ltr">Thanks Francois,<div><br></div><div>There's something strange in the matrix and Offset, this is what I get:</div><div><br></div><div><div>Center:</div><div><br></div><div>[-246.422, -149.871, 20]</div><div><br></div><div>Matrix:</div><div>1 0 0</div><div>0 1 0</div><div>0 0 1</div><div><br></div><div>Offset:</div><div>[0, 0, 0]</div></div></div><br><div class="gmail_quote"><div dir="ltr">El mar., 18 de abr. de 2017 a la(s) 14:47, Francois Budin-3 [via ITK - Users] <<a href="/user/SendEmail.jtp?type=node&node=38131&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a>> escribió:<br></div><blockquote style='border-left:2px solid #CCCCCC;padding:0 1em' class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

        <div dir="ltr"><div><div><div><div>Hello Matias,<br><br></div>I used the Euler3DTransform in a python terminal to see if I had problems setting the center and the angle, and everything seems to work as expected:<br><br>trans=itk.Euler3DTransform.D.New()<br>trans.SetCenter([0,0,0])<br></div>trans.SetRotation(10,0,0)<br></div>trans.TransformPoint([0,0,0])<br>Out[46]: itkPointD3 ([0, 0, 0])  <-expected as the transform center is [0,0,0]<br><br>trans.SetCenter([10,0,0])<br>trans.TransformPoint([0,0,0])<br>Out[48]: itkPointD3 ([5.16482, -7.96596, 3.62828]) <-rotation not around [0,0,0] but around [10,0,0]<br><br></div>To try to understand you problem, I would advise you to print the content of your transform to see if it is set as you expect. In my case, I get:<br><br><div>Euler3DTransform (0x18da8a0)<br>  RTTI typeinfo:   itk::Euler3DTransform<double><br>  Reference Count: 1<br>  Modified Time: 377<br>  Debug: Off<br>  Object Name: <br>  Observers: <br>    none<br>  Matrix: <br>    0.483518 -0.362828 0.796596 <br>    0.796596 0.559609 -0.228631 <br>    -0.362828 0.745113 0.559609 <br>  Offset: [5.16482, -7.96596, 3.62828]<br>  Center: [10, 0, 0]<br>  Translation: [0, 0, 0]<br>  Inverse: <br>    0.483518 0.796596 -0.362828 <br>    -0.362828 0.559609 0.745113 <br>    0.796596 -0.228631 0.559609 <br>  Singular: 0<br>  Euler's angles: AngleX=40 AngleY=10 AngleZ=10<br>  m_ComputeZYX = 0<br><br></div><div>Hope this helps,<br></div><div>Francois<br></div><div><br><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Apr 17, 2017 at 7:11 PM, Matias <span dir="ltr"><<a href="http:///user/SendEmail.jtp?type=node&node=38127&i=0" rel="nofollow" link="external" target="_blank">[hidden email]</a>></span> wrote:<br>Hi,

I'm trying to rotate a volume and use an user defined center but no matter what value I set, it seems the rotation is always performed using the same center (not sure which, maybe a default center)?

Here's the code I'm using.. am I missing something?

        typedef itk::Euler3DTransform< double > TransformType; //Transform
                TransformType::Pointer transform = TransformType::New();
                double alfa, beta, gamma, centro_rotacion_X, centro_rotacion_Y, centro_rotacion_Z, origenX,origenY;
                gamma = atof(argv[2]);
                beta = atof(argv[3]);
                alfa = atof(argv[4]);
                centro_rotacion_X = atof(argv[5]);
                centro_rotacion_Y = atof(argv[6]);
                centro_rotacion_Z = atof(argv[7]);

                double centro[3] = { centro_rotacion_X, centro_rotacion_Y, centro_rotacion_Z }; 
                transform->SetCenter(centro);
                
                transform->SetRotation(gamma, beta, alfa);

        
        
        
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        </div></blockquote></div><div dir="ltr">-- <br></div><div data-smartmail="gmail_signature"><div dir="ltr">Matias</div></div>


        
        
        
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