[Paraview] volume viz question

[Scott, W Alan]

This functionality is also used for fire simulations.  Although you are not simulating fire (I assume), I wrote up a tutorial here, which may help:   http://www.paraview.org/Wiki/Volume_rendering_-_Fire

Alan

> -----Original Message-----
> From: paraview-bounces at paraview.org 
> [mailto:paraview-bounces at paraview.org] On Behalf Of David E DeMarle
> Sent: Monday, March 08, 2010 8:11 AM
> To: Comer Duncan
> Cc: paraview at paraview.org
> Subject: Re: [Paraview] volume viz question
> 
> On the Display tab of the object inspector, click Edit Color Map...
> From there you can manipulate the transfer function, 
> assigning colors and opacities (vertical axis) to scalar 
> values(horizontal axis), to control what parts are emphasized etc.
> 
> David E DeMarle
> Kitware, Inc.
> R&D Engineer
> 28 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-371-3971 x109
> 
> 
> 
> On Mon, Mar 8, 2010 at 9:59 AM, Comer Duncan 
> <comer.duncan at gmail.com> wrote:
> > Hi,
> >
> > I am new to Paraview.  I have tried to load a 3d data set 
> in vtk format.
> > That works fine and I can do slicing and contouring ok.  
> However  I am 
> > most interested in doing volume viz on this data.  I saw 
> that one has 
> > to apparently stuff the data through tetrahedralize, which I did. 
> > However, when selecting volume vis all I see is a box with fuzzy 
> > edges. I do not have any opacity information in the vtk 
> data set.  I 
> > can not seem to assign opacity somehow on the fly.  I gather that I 
> > need to attach opacity info but don't see how it  is done. 
> Can you please help?
> >
> > The data set is 31^3 floats.  The slices look reasonable 
> but I really 
> > want to start doing volume viz and hoped that Paraview will allow 
> > such...I am pretty sure it does, but I just don't know how to do it.
> >
> > Thanks for your help.
> >
> > Comer Duncan
> >
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