<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"MS Gothic";
panose-1:2 11 6 9 7 2 5 8 2 4;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:"Microsoft JhengHei";
panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
{font-family:"\@Microsoft JhengHei";
panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
{font-family:"\@MS Gothic";
panose-1:2 11 6 9 7 2 5 8 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman",serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.E-MailFormatvorlage17
{mso-style-type:personal-reply;
font-family:"Calibri",sans-serif;
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri",sans-serif;
mso-fareast-language:EN-US;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:70.85pt 70.85pt 2.0cm 70.85pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'>Oh what a shame :( do you know where the best place is to submit this as a feature request?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal style='margin-left:35.4pt'><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Von:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> David Gobbi [mailto:david.gobbi@gmail.com] <br><b>Gesendet:</b> Dienstag, 19. Juli 2016 14:58<br><b>An:</b> Maximilian Wormser <max.wormser@gmx.de><br><b>Cc:</b> VTK Users <vtkusers@vtk.org><br><b>Betreff:</b> Re: [vtkusers] vtkTubeFilter doesn't create a closed loop<o:p></o:p></span></p><p class=MsoNormal style='margin-left:35.4pt'><o:p> </o:p></p><div><p class=MsoNormal style='margin-left:35.4pt'>Hi Maximilian,<o:p></o:p></p><div><p class=MsoNormal style='margin-left:35.4pt'><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'>I did a quick read-through of the code for vtkTubeFilter, and it doesn't check to see if the first and last points are the same point. So unless someone provides a fix, you might be out of luck.<o:p></o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'><o:p> </o:p></p></div><div><p class=MsoNormal style='margin-left:35.4pt'> - David<o:p></o:p></p><div><p class=MsoNormal style='margin-left:35.4pt'><o:p> </o:p></p><div><p class=MsoNormal style='margin-left:35.4pt'>On Tue, Jul 19, 2016 at 4:38 AM, Maximilian Wormser <<a href="mailto:max.wormser@gmx.de" target="_blank">max.wormser@gmx.de</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:35.4pt'><span lang=EN-US style='font-size:11.0pt;color:#1F497D'>Good idea, but SetCappingOff or SetCappingOn do not change the underlying problem.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:35.4pt'><span lang=EN-US 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;margin-left:70.8pt'><b><span style='font-size:11.0pt'>Von:</span></b><span style='font-size:11.0pt'> lihouxing [mailto:<a href="mailto:lihouxing@yeah.net" target="_blank">lihouxing@yeah.net</a>] <br><b>Gesendet:</b> Dienstag, 19. Juli 2016 11:02<br><b>An:</b> <a href="mailto:max.wormser@gmx.de" target="_blank">max.wormser@gmx.de</a>; <a href="mailto:vtkusers@vtk.org" target="_blank">vtkusers@vtk.org</a><br><b>Betreff:</b> Re:[vtkusers] vtkTubeFilter doesn't create a closed loop</span><o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'> <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'>maybe you should set "capping off"<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span style='font-family:"Microsoft JhengHei",sans-serif'>发自我的小米手机</span><o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span style='font-family:"MS Gothic"'>在</span> Maximilian Wormser <<a href="mailto:max.wormser@gmx.de" target="_blank">max.wormser@gmx.de</a>><span style='font-family:"MS Gothic"'>，</span>2016<span style='font-family:"MS Gothic"'>年</span>7<span style='font-family:"MS Gothic"'>月</span>19<span style='font-family:"MS Gothic"'>日</span> <span style='font-family:"MS Gothic"'>下午</span>3:51<span style='font-family:"MS Gothic"'>写道：</span><o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-size:11.0pt'>Hey all,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-size:11.0pt'>I want to create closed loops with vtkTubeFilter, but at the point where the first and the last point meet there is always a misconnection. vtkStripper and vtkCleanPolyData do not help in this case. I already posted my problem to stackoverflow, but without any solutions so far. Here is a link to my submission: <a href="http://stackoverflow.com/questions/38266711/creating-a-closed-loop-with-vtktubefilter" target="_blank">http://stackoverflow.com/questions/38266711/creating-a-closed-loop-with-vtktubefilter</a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-size:11.0pt'>Here’s a minimal working example to reproduce the behavior:</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>import vtk</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>def rendering(mapper):</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> """Takes mapper and handles the rendering."""</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> actor = vtk.vtkActor()</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> actor.SetMapper(mapper)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> # Create a renderer, render window, and interactor</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> </span><span style='font-family:"Courier New"'>renderer = vtk.vtkRenderer()</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span style='font-family:"Courier New"'> renderWindow = vtk.vtkRenderWindow()</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span style='font-family:"Courier New"'> </span><span lang=EN-US style='font-family:"Courier New"'>renderWindow.AddRenderer(renderer)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> renderWindowInteractor = vtk.vtkRenderWindowInteractor()</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> renderWindowInteractor.SetRenderWindow(renderWindow)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> # Add the actors to the scene</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> renderer.AddActor(actor)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> # Render and interact</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> renderWindow.Render()</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> renderWindowInteractor.Start()</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> return</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>pts = vtk.vtkPoints()</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>pts.SetNumberOfPoints(4)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>pts.SetPoint(0, 0.5, 0, 0)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>pts.SetPoint(1, 1, 0.5, 0)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span style='font-family:"Courier New"'>pts.SetPoint(2, 0.5, 1, 0)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>pts.SetPoint(3, 0, 0.5, 0)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>lines = vtk.vtkCellArray()</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>lines.InsertNextCell(5)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>lines.InsertCellPoint(0)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>lines.InsertCellPoint(1)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>lines.InsertCellPoint(2)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>lines.InsertCellPoint(3)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>lines.InsertCellPoint(0)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>poly = vtk.vtkPolyData()</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>poly.SetPoints(pts)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>poly.SetLines(lines)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>tubes = vtk.vtkTubeFilter()</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>tubes.SetInputData(poly)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>tubes.CappingOn()</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>tubes.SidesShareVerticesOff()</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>tubes.SetNumberOfSides(4)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>tubes.SetRadius(0.1)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>tubes.Update()</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>mapper = vtk.vtkPolyDataMapper()</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>mapper.SetInputData(tubes.GetOutput())</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>rendering(mapper)</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:70.8pt'><span lang=EN-US style='font-family:"Courier New"'>Thanks in advance for any help!</span><o:p></o:p></p></blockquote></div></div></div></div></blockquote></div></div></div></div></div></body></html>