You can also use a "vtkConstrainedPointHandleRepresentation".<div><br></div><div>See <span class="Apple-style-span" style="font-family: 'Bitstream Vera Sans Mono', Courier, monospace; font-size: 12px; line-height: 16px; white-space: pre; background-color: rgb(255, 255, 255); ">InitializeSeedWidget() in <a href="https://github.com/gofigure2/GoFigure2/blob/master/Code/GUI/lib/QGoImageView.cxx">https://github.com/gofigure2/GoFigure2/blob/master/Code/GUI/lib/QGoImageView.cxx</a></span></div>
<div><font class="Apple-style-span" face="'Bitstream Vera Sans Mono', Courier, monospace"><span class="Apple-style-span" style="font-size: 12px; line-height: 16px; white-space: pre;"><br></span></font></div><div><font class="Apple-style-span" face="'Bitstream Vera Sans Mono', Courier, monospace"><span class="Apple-style-span" style="font-size: 12px; line-height: 16px; white-space: pre;">Hope it helps,</span></font></div>
<div><font class="Apple-style-span" face="'Bitstream Vera Sans Mono', Courier, monospace"><span class="Apple-style-span" style="font-size: 12px; line-height: 16px; white-space: pre;"><br></span></font></div><div><font class="Apple-style-span" face="'Bitstream Vera Sans Mono', Courier, monospace"><span class="Apple-style-span" style="font-size: 12px; line-height: 16px; white-space: pre;">Nicolas<br>
</span></font>
<br><div class="gmail_quote">On Wed, Sep 14, 2011 at 9:32 AM, Xiaopeng Yang <span dir="ltr"><<a href="mailto:yxp233@postech.ac.kr">yxp233@postech.ac.kr</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Thank you very much. Can you post your code here? I did not quite follow<br>
you.<br>
<div class="im"><br>
-----Original Message-----<br>
From: John Drescher [mailto:<a href="mailto:drescherjm@gmail.com">drescherjm@gmail.com</a>]<br>
Sent: Wednesday, September 14, 2011 10:14 PM<br>
To: Xiaopeng Yang<br>
Cc: vtk<br>
Subject: Re: [vtkusers] Regarding vtkSeedWidget<br>
<br>
On Wed, Sep 14, 2011 at 8:38 AM, Xiaopeng Yang <<a href="mailto:yxp233@postech.ac.kr">yxp233@postech.ac.kr</a>> wrote:<br>
</div><div class="im">> Dear Users,<br>
><br>
><br>
><br>
> From the example of vtkSeedWidget, I load a series of CT images and select<br>
> many seed points on different CT slices. However, the cross markers do not<br>
> appear on just that slice, but on all slices. What should I do to make the<br>
> cross markers selected on a certain slice just appear on that slice?<br>
><br>
<br>
</div><div><div></div><div class="h5">In my CT viewer I use a 2d representation for the handle widget and<br>
save/restore the seeds on each change of slice.<br>
<br>
John<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
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