[Imstk-developers] Line mesh connectivity

[Alexis Girault]

Nick: are you talking about surface mesh with wireframe representation?
Because that is different from Line mesh.

Alexis Girault
R&D Engineer in Medical Computing
Kitware, Inc.

http://www.kitware.com
(919) 969-6990 x325

On Fri, Oct 27, 2017 at 10:46 AM, Sreekanth Arikatla <
sreekanth.arikatla at kitware.com> wrote:

> We have never used the line mesh but would need it though. It makes sense
> to fix it to use the connectivity information.
>
> On Fri, Oct 27, 2017 at 10:43 AM, Alexis Girault <
> alexis.girault at kitware.com> wrote:
>
>> I don't think we have ever used the line mesh class here (correct me if
>> I'm wrong Sreekanth). I think Hong wrote this.
>>
>> @Hong: would you know if you were not using the connectivity information?
>> @Nick: whichever way, it seems we should just try to properly use it.
>>
>> Alexis Girault
>> R&D Engineer in Medical Computing
>> Kitware, Inc.
>>
>> http://www.kitware.com
>> (919) 969-6990 x325
>>
>> On Fri, Oct 27, 2017 at 10:17 AM, Milef, Nicholas Boris <milefn at rpi.edu>
>> wrote:
>>
>>> Right now, the LineMeshRenderDelegate behaves differently than the
>>> LineMesh geometry class implies. You can build a line mesh without
>>> connectivity information, and it still displays a valid line mesh.
>>> Meanwhile, the connectivity information seems to have no effect on the
>>> visual mesh itself.
>>> ------------------------------
>>> *From:* Alexis Girault [alexis.girault at kitware.com]
>>> *Sent:* Thursday, October 26, 2017 9:23 AM
>>> *To:* Sreekanth Arikatla
>>> *Cc:* Milef, Nicholas Boris; imstk-developers at imstk.org
>>> *Subject:* Re: [Imstk-developers] Line mesh connectivity
>>>
>>> LineSource is a filter that uses two points to create a PolyLine.
>>> PolyLine is a 1D cell. If the filter does not do enough and you need to
>>> create a PolyLine that goes through multiple points, you might have to
>>> create your own filter (just a callback really) to update a PolyLine when
>>> you add points
>>>
>>> On Thu, Oct 26, 2017, 09:19 Sreekanth Arikatla <
>>> sreekanth.arikatla at kitware.com> wrote:
>>>
>>>> vtkLineSource is being used inside the render delegate but I believe
>>>> the right one is vtkPolyLine which is meant for a line passing through a
>>>> bunch of points in the given order like in this example
>>>> <https://www.vtk.org/Wiki/VTK/Examples/Cxx/GeometricObjects/PolyLine>.
>>>>
>>>> On Wed, Oct 25, 2017 at 5:23 PM, Milef, Nicholas Boris <milefn at rpi.edu>
>>>> wrote:
>>>>
>>>>> Is the line mesh connectivity used for anything? I'm looking in the
>>>>> line mesh render delegate for VTK, and the connectivity info doesn't appear
>>>>> to be used anywhere.
>>>>>
>>>>> _______________________________________________
>>>>> Imstk-developers mailing list
>>>>> Imstk-developers at imstk.org
>>>>> http://public.kitware.com/mailman/listinfo/imstk-developers
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Sreekanth Arikatla, Ph.D.,
>>>> Senior R&D Engineer,
>>>> Kitware, Inc. <http://www.kitware.com>, Carrboro, NC.
>>>>
>>>> _______________________________________________
>>>> Imstk-developers mailing list
>>>> Imstk-developers at imstk.org
>>>> http://public.kitware.com/mailman/listinfo/imstk-developers
>>>>
>>>
>>
>
>
> --
> Sreekanth Arikatla, Ph.D.,
> Senior R&D Engineer,
> Kitware, Inc. <http://www.kitware.com>, Carrboro, NC.
>
>
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