I think you could set that with ImageActor->SetPosition()<br><br>Jothy<br><br><div class="gmail_quote">On Wed, Feb 10, 2010 at 7:53 PM, David Doria <span dir="ltr"><<a href="mailto:daviddoria%2Bvtk@gmail.com">daviddoria+vtk@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div>Rather than have the lower left corner of the image be at world coordinates (0,0), I want (0,0) to be at the center of the image. </div>
<div><br></div><div>It looks like the SetOrigin() function of vtkImageData would do this, but it doesn't seem to "move" the image in world coordinates.</div>
<div><br></div><div>I tried this:</div><div><br></div><div><div> int dims[3];</div><div> image->GetDimensions(dims);</div><div> image->SetOrigin(-dims[0]/2, -dims[1]/2, -dims[2]/2);</div><div> image->Update();</div>
<div><br></div><div>but it doesn't seem to move.</div><div><br></div><div>The border widget is used to show the coordinates of a region of the image (to verify if it has moved or not).</div><div><br></div><div>Can anyone see what I may have done wrong here?</div>
<div><a href="http://www.vtk.org/Wiki/VTK/Examples/CenterAnImage" target="_blank">http://www.vtk.org/Wiki/VTK/Examples/CenterAnImage</a></div><div><br></div>Thanks,<br><br>David<br>
</div>
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