Re: Merge boundary edges filter/method?

--===============1078350979==
Content-Type: multipart/alternative; boundary="0000000000000eb6f3058aab594a"

--0000000000000eb6f3058aab594a
Content-Type: text/plain; charset="UTF-8"

Hi Andy,

it looks like the only way you could merge is to subdivide a larger
triangle in a "fan" so that its long adjacent edge is subdivided to match
the
smaller triangles.

- Dean


On Thu, Jun 6, 2019 at 12:28 PM andyjk <[email protected]> wrote:

> I am subdividing part of a mesh by extracting those cells, subdividing,
> then
> using AppendPolyData filter to patch it back in exactly to the hole it
> left.
> However, this leaves boundary edges as shown below in green (even after
> CleanPolyData filter), where there is obviously a mismatch in
> triangulation.
>
> Is there any filter that can merge edges which are on top of eachother
> (just
> as cleanpolydata does for points) ?
> <http://vtk.1045678.n5.nabble.com/file/t325404/boundaries.png>
>
>
>
>
>
>
> --
> Sent from: http://vtk.1045678.n5.nabble.com/VTK-Users-f1224199.html
> _______________________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
>
> Please keep messages on-topic and check the VTK FAQ at:
> http://www.vtk.org/Wiki/VTK_FAQ
>
> Search the list archives at: http://markmail.org/search/?q=vtkusers
>
> Follow this link to subscribe/unsubscribe:
> https://vtk.org/mailman/listinfo/vtkusers
>

--0000000000000eb6f3058aab594a
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div>Hi Andy,</div><div><br></div><div>it looks like the o=
nly way you could merge is to subdivide a larger</div><div>triangle in a &q=
uot;fan&quot; so that its long adjacent edge is subdivided to match the <br=
></div><div>smaller triangles.</div><div><br></div><div>- Dean<br></div><di=
v><br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"=
gmail_attr">On Thu, Jun 6, 2019 at 12:28 PM andyjk &lt;<a href=3D"mailto:an=
[email protected]" target=3D"_blank">[email protected]</a>&gt=
; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px=
 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I am su=
bdividing part of a mesh by extracting those cells, subdividing, then<br>
using AppendPolyData filter to patch it back in exactly to the hole it left=
.<br>
However, this leaves boundary edges as shown below in green (even after<br>
CleanPolyData filter), where there is obviously a mismatch in triangulation=
.<br>
<br>
Is there any filter that can merge edges which are on top of eachother (jus=
t<br>
as cleanpolydata does for points) ?<br>
&lt;<a href=3D"http://vtk.1045678.n5.nabble.com/file/t325404/boundaries.png=
" rel=3D"noreferrer" target=3D"_blank">http://vtk.1045678.n5.nabble.com/fil=
e/t325404/boundaries.png</a>&gt; <br>
<br>
<br>
<br>
<br>
<br>
<br>
--<br>
Sent from: <a href=3D"http://vtk.1045678.n5.nabble.com/VTK-Users-f1224199.h=
tml" rel=3D"noreferrer" target=3D"_blank">http://vtk.1045678.n5.nabble.com/=
VTK-Users-f1224199.html</a><br>
_______________________________________________<br>
Powered by <a href=3D"http://www.kitware.com" rel=3D"noreferrer" target=3D"=
_blank">www.kitware.com</a><br>
<br>
Visit other Kitware open-source projects at <a href=3D"http://www.kitware.c=
om/opensource/opensource.html" rel=3D"noreferrer" target=3D"_blank">http://=
www.kitware.com/opensource/opensource.html</a><br>
<br>
Please keep messages on-topic and check the VTK FAQ at: <a href=3D"http://w=
ww.vtk.org/Wiki/VTK_FAQ" rel=3D"noreferrer" target=3D"_blank">http://www.vt=
k.org/Wiki/VTK_FAQ</a><br>
<br>
Search the list archives at: <a href=3D"http://markmail.org/search/?q=3Dvtk=
users" rel=3D"noreferrer" target=3D"_blank">http://markmail.org/search/?q=
=3Dvtkusers</a><br>
<br>
Follow this link to subscribe/unsubscribe:<br>
<a href=3D"https://vtk.org/mailman/listinfo/vtkusers" rel=3D"noreferrer" ta=
rget=3D"_blank">https://vtk.org/mailman/listinfo/vtkusers</a><br>
</blockquote></div>

--0000000000000eb6f3058aab594a--

--===============1078350979==
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

_______________________________________________
Powered by www.kitware.com

Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html

Please keep messages on-topic and check the VTK FAQ at: http://www.vtk.org/Wiki/VTK_FAQ

Search the list archives at: http://markmail.org/search/?q=vtkusers

Follow this link to subscribe/unsubscribe:
https://vtk.org/mailman/listinfo/vtkusers

--===============1078350979==--