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<font size="-1"><font face="Verdana">Hello everybody,<br>
<br>
I have a problem with transformations. Taken a vtkPolyData (source), if
I specify a transformation using Translate it works:<br>
<br>
<br>
vtkTransform* transform = vtkTransform::New();<br>
transform->Translate(-B[0], -B[1], -B[2]);<br>
<br>
vtkTransformPolyDataFilter* tf = vtkTransformPolyDataFilter::New();<br>
tf->SetInput(source);<br>
tf->SetTransform(transform);<br>
tf->Update();<br>
<br>
drawPolyData(tf->GetOutput());<br>
<br>
(here model is correctly tanslated). If I try to specify the matrix,
nothing works:<br>
<br>
double matrixElements[16] = {<br>
1, 0, 0, -B[0],<br>
0, 1, 0, -B[1],<br>
0, 0, 1, -B[2],<br>
0, 0, 0, 1 };<br>
<br>
vtkMatrix4x4* trasfMatrix = vtkMatrix4x4::New();<br>
vtkMatrix4x4::DeepCopy(matrixElements, trasfMatrix);<br>
<br>
matrix stays as identity...<br>
<br>
if I set manually the values with SetElements, it works...<br>
Am I doing something wrong?<br>
<br>
bye,<br>
a.<br>
<br>
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<pre class="moz-signature" cols="72">--
Andrea Bottino
Politecnico di Torino, DAUIN
Corso Duca degli Abruzzi, 24
10129 Torino ITALY
Tel +39 011 5647175 / Fax +39 011 5647099.
<a class="moz-txt-link-freetext" href="http://www.polito.it/cgvg">http://www.polito.it/cgvg</a>
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