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You should be able to change the position of the actor (as opposed
to the attachment point) to move the relative caption position. See
<a class="moz-txt-link-freetext" href="http://www.vtk.org/doc/nightly/html/classvtkCaptionActor2D.html#_details">http://www.vtk.org/doc/nightly/html/classvtkCaptionActor2D.html#_details</a><br>
<br>
Wayne<br>
<br>
On 8/26/11 6:46 AM, Xiaopeng Yang wrote:
<blockquote cite="mid:036e01cc63f6$99ad5540$cd07ffc0$@ac.kr"
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thank
you very much. One more question, I tried to put 2 captions
onto the sphere. So I used two caption widgets. However, the
two captions are overlapped at the left bottom corner. How
to assign different location for different caption?<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Best,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Xiaopeng<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #B5C4DF
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
Dženan Zukić [<a class="moz-txt-link-freetext" href="mailto:dzenanz@gmail.com">mailto:dzenanz@gmail.com</a>] <br>
<b>Sent:</b> Friday, August 26, 2011 10:28 PM<br>
<b>To:</b> Xiaopeng Yang<br>
<b>Cc:</b> David Doria; <a class="moz-txt-link-abbreviated" href="mailto:vtkusers@vtk.org">vtkusers@vtk.org</a><br>
<b>Subject:</b> Re: [vtkusers] Put labels onto image<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span
style="font-size:10.0pt;font-family:"Verdana","sans-serif"">You
can group it into a vtkAssembly together with the sphere,
and then rotate that assembly.</span><o:p></o:p></p>
<div>
<p class="MsoNormal">On Fri, Aug 26, 2011 at 15:14, Xiaopeng
Yang <<a moz-do-not-send="true"
href="mailto:yxp233@postech.ac.kr">yxp233@postech.ac.kr</a>>
wrote:<o:p></o:p></p>
<div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;color:#1F497D">David, </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;color:#1F497D">The second
example is what I want since I need to assign the
caption to certain point in a 3D object. However, in
the example, the caption itself does not move when I
rotate the sphere. My question is how to make it move
along with the 3D object during rotation.</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;color:#1F497D">Thank you so
much.</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;color:#1F497D">Xiaopeng</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;color:#1F497D"> </span><o:p></o:p></p>
<div style="border:none;border-top:solid #B5C4DF
1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span
style="font-size:10.0pt">From:</span></b><span
style="font-size:10.0pt"> David Doria [mailto:<a
moz-do-not-send="true"
href="mailto:daviddoria@gmail.com" target="_blank">daviddoria@gmail.com</a>]
<br>
<b>Sent:</b> Friday, August 26, 2011 8:33 PM<br>
<b>To:</b> Xiaopeng Yang<br>
<b>Cc:</b> <a moz-do-not-send="true"
href="mailto:vtkusers@vtk.org" target="_blank">vtkusers@vtk.org</a></span><o:p></o:p></p>
<div>
<p class="MsoNormal"><br>
<b>Subject:</b> Re: [vtkusers] Put labels onto image<o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">On
Fri, Aug 26, 2011 at 3:43 AM, Xiaopeng Yang <<a
moz-do-not-send="true"
href="mailto:yxp233@postech.ac.kr" target="_blank">yxp233@postech.ac.kr</a>>
wrote:<o:p></o:p></p>
<div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="color:#1F497D">Hi Wayne,</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="color:#1F497D">It works good. Thank
you. However, when I rotate the 3D object, the
caption which associated with a point on the
3D object should be covered (invisible) when
that point is rotated to the backside
(invisible). But is always visible and appear
on the object, which can mislead the user to
know the position of the caption.</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="color:#1F497D">Do you have any good
idea to avoid this happening?</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="color:#1F497D">Thanks,</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="color:#1F497D">Xiaopeng</span><o:p></o:p></p>
</div>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">CaptionActor2D
is great for 2D, but for 3D I think you'll want:<o:p></o:p></p>
</div>
<div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
</div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a
moz-do-not-send="true"
href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/Visualization/Follower"
target="_blank">http://www.vtk.org/Wiki/VTK/Examples/Cxx/Visualization/Follower</a><o:p></o:p></p>
</div>
</div>
<div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">or<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a
moz-do-not-send="true"
href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/Widgets/Caption"
target="_blank">http://www.vtk.org/Wiki/VTK/Examples/Cxx/Widgets/Caption</a><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">David <o:p></o:p></p>
</div>
</div>
</div>
</div>
</div>
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