[Paraview] Volumetric slice with transparency?

Fri Nov 29 12:30:12 EST 2013

Have you tried the contour filter? Based on your screenshots I would expect that to give you a variable width cylinder along the z axis showing the behavior everywhere at once.

-Ken

Sent from my iPad so blame autocorrect.

On Nov 28, 2013, at 12:31 PM, "Jesse Samluk" <sevensam at udel.edu<mailto:sevensam at udel.edu>> wrote:

Ok everybody I think I have a good grasp at where I am trying to get with this figure (reattached), and some additional ones. Sorry, but as a newbie, it takes some time to figure out where I'm trying to go :)

So, everyone sees the slice, right? When I move up and down the z-axis with the slice, I see the field change especially towards the center. I also played with "box" in the slice type option.

I was wondering the best way to show the field change as I slide the slice. Would clip still show it? Also, is there a way to show you my Paraview screen? Let me know so I can show you exactly what's going on.

Thanks!
Jesse
Jesse<EM31outputforParaview.jpeg><ScreenShot1.jpeg><ScreenShot2.jpeg><ScreenShot3.jpeg>
On Nov 26, 2013, at 1:18 PM, Moreland, Kenneth <kmorel at sandia.gov<mailto:kmorel at sandia.gov>> wrote:

As with many things in ParaView, there are lots of ways to do what you are
asking, each with a slightly different behavior. I'll list through the
ones I can think of.

* Like Utkarsh said, if your data is structured, you can use the "Extract
Subset" filter. This will be the most efficient option, but the UI will be
pretty crummy.

* Also like Utkarsh said, you can use a pair of clip filters (instead of
slice) to grab a reason. Use the Inside Out option on one of the clip
filters so that the intersection of the half spaces become a slab.

* You can change the Clip Type of the clip to a Box region. This will
allow you clip a slab in one operation. The disadvantage is that the box
clip operation can introduce more artifacts than a Plane clip. Also, you
need to make sure the clip is Inside Out.

* You should also try the Extract Cells By Region filter in place of the
clip filter. Rather than cutting up cells, it will keep full cells that
intersect a region you specify. Like Clip, Extract Cells By Region allows
you to define cells by planes and boxes (although the inside/outside
semantics are reversed). I suspect the Extract Cells By Region filter with
a Box intersection will be the closest to what you want.

-Ken

On 11/26/13 10:37 AM, "Utkarsh Ayachit" <utkarsh.ayachit at kitware.com<mailto:utkarsh.ayachit at kitware.com>>
wrote:

If this is a structured dataset, try using "Extract Subset" filter.
Otherwise, you'll have to use a pair of Clip filters to get the
desired effect.

Utkarsh

On Tue, Nov 26, 2013 at 12:24 PM, Jesse Samluk <sevensam at udel.edu<mailto:sevensam at udel.edu>> wrote:
Utkarsh,

 Thanks for the response. By volumetric slice - see how the slice is
now?
Isn't there a way to make it thicker and move it up and down to show the
changes?  What about the "clip" option?

 Thanks!
  Jesse
On Nov 26, 2013, at 12:00 PM, Utkarsh Ayachit
<utkarsh.ayachit at kitware.com<mailto:utkarsh.ayachit at kitware.com>>
wrote:

I am not sure what you mean by volumetric slice. Does it mean multiple
slices parallel to the one slice you have in your image? If so, the
"Slice"
filter does allow specifying additional offsets to slice. Switch the
Properties panel to show advanced properties
(http://www.kitware.com/blog/home/post/491) or search for "offset" in
the
"search box" at the top of the Properties panel. Now you can add offsets
around the default slice.

Utkarsh

On Tue, Nov 26, 2013 at 11:54 AM, Jesse Samluk <sevensam at udel.edu<mailto:sevensam at udel.edu>>
wrote:

Greetings,

  And if more information is needed, please let me know. We're
looking to
see if Paraview can create a volumetric slice with transparency of the
following image created in Paraview.

 I saved the state file if needed, and have the data too, but since
I'm a
newbie here, I'm not too sure what to do.

 Thanks!
  Jesse<EM31outputforParaview.jpeg>

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