[Paraview] Re: ParaView volume rendering?
Wylie, Brian
bnwylie at sandia.gov
Thu Mar 31 16:02:08 EST 2005
All,
The only constraint on the volume rendering is unstructured grid. The current mappers will automatically tetralhedralize if necessary and you can render cell centered data as well (I believe Moreland added that a few months ago). Also if you have structured data you can do the silly thing of running the 'Tetrahedralize' filter on it and then of course you'll have unstructured data... :)
The whole "...not competing with VolView..." is an issue that I'm not going to touch with a ten foot pole. :)
Also be aware that the volume rendering in ParaView is very much a work in progress, upcoming versions will have parallel, faster, higher quality techniques that Kitware and Sandia (and Utah for that matter) are currently working on.
Brian Wylie - Org 9227
Sandia National Laboratories
MS 0822 - Building 880/A1-J
(505)844-2238 FAX(505)845-0833
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Unleash the Beast
> -----Original Message-----
> From: paraview-bounces at paraview.org
> [mailto:paraview-bounces at paraview.org] On Behalf Of Amy Squillacote
> Sent: Wednesday, March 30, 2005 7:02 AM
> To: paraview at paraview.org
> Subject: Re: [Paraview] Re: ParaView volume rendering?
>
> Hi Dan,
>
> ParaView only handles unstructured volume rendering, so your
> data must be an unstructured grid for ParaView to volume
> render it. It must also be composed only of tetrahedral
> cells and contain a point-centered scalar
> (single-component) array.
>
> - Amy
>
> At 08:53 AM 3/30/2005, Dr. Daniel James White PhD wrote:
> >Hi,
> >
> >I loaded some volume data, a .vtk file into paraview2, and
> I want to
> >volume render it.
> >
> >I can only see the iso surface method in the GUI,
> >
> >Can I do proper volume rendering with ray casting and or
> texture mapping?
> >
> >cheers
> >Dan
> >
> >
> >On Mar 24, 2005, at 7:00 PM, paraview-request at paraview.org wrote:
> >
> >>- The volume rendering editor has been completely reworked.
> >
> >Dr. Daniel James White BSc. (Hons.) PhD Bioimaging Coordinator
> >Nanoscience Centre and Department of Biological and Environmental
> >science Division of Molecular Recognition Ambiotica C242 PO Box 35
> >University of Jyväskylä Jyväskylä FIN 40014 Finland
> >+358 14 260 4183 (work)
> >+358 468102840 (mobile)
> >
> >http://www.chalkie.org.uk
> >dan at chalkie.org.uk
> >white at cc.jyu.fi
> >
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