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<p class="MsoNormal"><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Hi<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Thanks, didn’t know labelMapper yet<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">I currently successfully implemented it over an own Representation inherited from vtkOrientedGlyphContourRepresentation<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Where I made a vtkTextActor array for each node of my contour.
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">It works but my contour has up to 600 points (which means 600 text actors) where this solution gets really slow, especially when I use mouse to change cameras position…….<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">I will try yours, this should be much faster I think….<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Gerald<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Von:</span></b><span lang="DE" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Dean Inglis [mailto:inglis.dl@gmail.com]
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<b>Gesendet:</b> Donnerstag, 19. Mai 2016 15:22<br>
<b>An:</b> Lodron, Gerald<br>
<b>Betreff:</b> Re: [vtkusers] vtkContourWidget<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Hi Gerald,<o:p></o:p></p>
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<p class="MsoNormal">have a look at the following classes:<o:p></o:p></p>
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<p class="MsoNormal">vtkIdFilter<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">vtkLabeledDataMapper<br>
vtkActor2D<o:p></o:p></p>
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<p class="MsoNormal">if you have polydata from your contour, you could<o:p></o:p></p>
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<p class="MsoNormal">setup a visualization pipeline as follows:<o:p></o:p></p>
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<p class="MsoNormal">vtkPolyData contour<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">vtkIdFilter filter<br>
vtkLabeledDataMapper mapper<br>
vtkActor2D actor<o:p></o:p></p>
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<p class="MsoNormal">filter->PointIdson();<o:p></o:p></p>
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<p class="MsoNormal">filter->CellIdsOff();<o:p></o:p></p>
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<p class="MsoNormal">filter->FieldDataOn();<o:p></o:p></p>
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<p class="MsoNormal">filter->SetInput(contour);<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">mapper->SetLabelModeToLabelFieldData();<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">mapper->SetInputConnection(filter->GetOutputPort());<o:p></o:p></p>
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<p class="MsoNormal">actor->SetMapper(mapper);<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">HTH, <br>
Dean<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Thu, May 19, 2016 at 1:46 AM, Lodron, Gerald <<a href="mailto:Gerald.Lodron@joanneum.at" target="_blank">Gerald.Lodron@joanneum.at</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Hi<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">I use a vtkContourWidget to draw a contour over a set of detected points because I like the highlighting of points when mouse is moved over the contour points. I successfully
deactivated manual manipulation of the contour. I now like to add a drawing with the point number over or on the side of the current highlighted point where the mouse hoovers. Is that possible?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">I do not find a function or callback to use….<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Any suggestions?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">------------------------------------------------------------------------------------</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Gerald Lodron</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Calibri","sans-serif""> </span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:gray">Researcher of Machine Vision Applications Group</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:gray">DIGITAL - Institute for Information and Communication Technologies</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Calibri","sans-serif";color:gray">JOANNEUM RESEARCH Forschungsgesellschaft mbH</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Calibri","sans-serif";color:gray">Steyrergasse 17, 8010 Graz, AUSTRIA</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Calibri","sans-serif";color:gray">phone: +43-316-876-1751 </span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Calibri","sans-serif";color:gray">general fax: +43-316-876-1751</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Calibri","sans-serif";color:gray">web:
<a href="http://www.joanneum.at/digital" target="_blank">http://www.joanneum.at/digital</a></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Calibri","sans-serif";color:gray">e-mail:
<a href="mailto:gerald.lodron@joanneum.at" target="_blank">gerald.lodron@joanneum.at</a></span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <o:p></o:p></span></p>
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