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List: vtk-developers
Subject: Re: [vtk-developers] material files patch for vtkOBJReader
From: Berk Geveci <berk.geveci () kitware ! com>
Date: 2014-12-22 19:44:40
Message-ID: CAE32kpXdNQ1_gsbX2UeUX58Pq17h9Gxk-r+Zv-a8q4G_=Bh9uA () mail ! gmail ! com
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My preference would be to develop a new OBJ importer that uses the OBJ
reader. Making the OBJ reader depend on rendering may impact some folks
negatively. By the way, I would defer this for a few months if possible. We
have a project targeted towards importing material properties for ray
tracing etc. I don't think that we will follow the importer route and we
will probably develop a new infrastructure. It may fit better here.
Best,
-berk
On Mon, Dec 22, 2014 at 12:32 PM, Peter Karasev <karasevpa@gmail.com> wrote:
>
> Hi,
>
> I'm hoping to get an update for vtkOBJReader integrated in that
> enables reading material-texture-library (.mtl) files. These are typically
> distributed along with the .obj file that contains geometry data.
>
> There's an issue with the module structure of VTK in doing this,
> however: having the MTL file means that you basically must generate not
> only geometry but the entire actors with vtkProperty*'s set on them.
>
> I propose moving vtkOBJReader into the same area as vtk3DSImporter,
> where it is allowed to access things in vtkRenderingCore like vtkActor
> class. Alternatively, a dependency(ies) could be added to vtkIOGeometry
> to allow creating actors. Any views on which way to go here?
>
> --
>
> _______________
> Peter Karasev
> karasevpa@gmail.com
>
> _______________________________________________
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[Attachment #5 (text/html)]
<div dir="ltr">My preference would be to develop a new OBJ importer that uses the OBJ \
reader. Making the OBJ reader depend on rendering may impact some folks negatively. \
By the way, I would defer this for a few months if possible. We have a project \
targeted towards importing material properties for ray tracing etc. I don't think \
that we will follow the importer route and we will probably develop a new \
infrastructure. It may fit better \
here.<div><br></div><div>Best,</div><div>-berk</div></div><div \
class="gmail_extra"><br><div class="gmail_quote">On Mon, Dec 22, 2014 at 12:32 PM, \
Peter Karasev <span dir="ltr"><<a href="mailto:karasevpa@gmail.com" \
target="_blank">karasevpa@gmail.com</a>></span> wrote:<blockquote \
class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc \
solid;padding-left:1ex"><div dir="ltr"><div class="gmail_default" \
style="font-family:tahoma,sans-serif">Hi, </div><div class="gmail_default" \
style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" \
style="font-family:tahoma,sans-serif"> I'm hoping to get an update for \
vtkOBJReader integrated in that enables reading material-texture-library (.mtl) \
files. These are typically distributed along with the .obj file that contains \
geometry data.</div><div class="gmail_default" \
style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" \
style="font-family:tahoma,sans-serif"> There's an issue with the module \
structure of VTK in doing this, however: having the MTL file means that you basically \
must generate not only geometry but the entire actors with vtkProperty*'s set on \
them. </div><div class="gmail_default" \
style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" \
style="font-family:tahoma,sans-serif"> I propose moving vtkOBJReader into the \
same area as vtk3DSImporter, where it is allowed to access things in vtkRenderingCore \
like vtkActor class. Alternatively, a dependency(ies) could be added to <span \
style="font-family:arial,sans-serif">vtkIOGeometry to allow creating actors. Any \
views on which way to go here? </span></div><span class="HOEnZb"><font \
color="#888888"> <div><br></div>-- <br><div><br>_______________<br>Peter \
Karasev<br><a href="mailto:karasevpa@gmail.com" \
target="_blank">karasevpa@gmail.com</a></div> </font></span></div>
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<br> <br></blockquote></div></div>
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