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List: vtkusers
Subject: Re: [vtkusers] delete vertex from mesh
From: rima4 <rima.sb4 () gmail ! com>
Date: 2011-10-31 14:27:35
Message-ID: CAGhzWn6B9hXhh57Bnq_snGts=d-7GAhu8NN68y8B=9yTZ6OFGg () mail ! gmail ! com
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OK David, i'll try this example, hope i can do it :)
2011/10/31 David Doria-2-3 [via VTK] <
ml-node+s1045678n4952514h2@n5.nabble.com>
> On Mon, Oct 31, 2011 at 9:55 AM, rima4 <[hidden \
> email]<http://user/SendEmail.jtp?type=node&node=4952514&i=0>
> > wrote:
>
> > thank you for replay, do you think i can proceed like this example to
> > delete vertices from mesh?
> > My purpose is to change the forme of an object that i extracted from a
> > .obj file and i puted it in a polydata.
> > i'm so greetful for your help.
> >
>
> Probably - if you delete a vertex from a mesh using a method similar to
> that, it will also remove the cells (triangles) that were using that
> vertex. So as long as the vertices you delete come from portions of the
> mesh that you want to delete entirely, you should be in good shape. You
> might want something closer to this:
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/PolyData/ExtractCellsUsingPoints
>
> David
>
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<div dir="ltr">OK David, i'll try this example, hope i can do it \
:)<div><br><div><br><br><div class="gmail_quote">2011/10/31 David Doria-2-3 [via VTK] \
<span dir="ltr"><<a href="/user/SendEmail.jtp?type=node&node=4952571&i=0" \
target="_top" rel="nofollow" link="external">[hidden email]</a>></span><br> \
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc \
solid;padding-left:1ex;">
<div class="gmail_quote"><div class="im">On Mon, Oct 31, 2011 at 9:55 AM, rima4 \
<span dir="ltr"><<a \
href="http://user/SendEmail.jtp?type=node&node=4952514&i=0" rel="nofollow" \
link="external" target="_blank">[hidden email]</a>></span> wrote:<br> <blockquote \
style="border-left:2px solid #CCCCCC;padding:0 1em" class="gmail_quote"> <div \
dir="ltr"> thank you for replay, do you think i can proceed like this example to \
delete vertices from mesh?<div>My purpose is to change the forme of an object that i \
extracted from a .obj file and i puted it in a polydata.</div>
<div> i'm so greetful for your help<font color="#2a2a2a" face="monospace"><span \
style="line-height:17px">.</span></font></div></div></blockquote><div><br></div></div><div \
class="im">Probably - if you delete a vertex from a mesh using a method similar to \
that, it will also remove the cells (triangles) that were using that vertex. So as \
long as the vertices you delete come from portions of the mesh that you want to \
delete entirely, you should be in good shape. You might want something closer to \
this: <a href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/PolyData/ExtractCellsUsingPoints" \
rel="nofollow" link="external" \
target="_blank">http://www.vtk.org/Wiki/VTK/Examples/Cxx/PolyData/ExtractCellsUsingPoints</a><br>
<br></div><div>David </div></div><div class="im">
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