[Paraview] network created with box glyphs and tubes

[Sreejith Pulloor]

Thanks Jerome and Ken. In my case, the Jerome's tip didn't work as the cube
itself was rotating while transforming.
I will try the work around suggested by Ken and see how it goes.
Many thanks for the tips.
Sreejith

On Mon, Oct 26, 2009 at 5:19 PM, Moreland, Kenneth <kmorel at sandia.gov>wrote:

>  I don’t think that is going to work.  If you transform the tubes, the
> entire lattice will rotate whereas I think Sreejith wants each tube to
> rotate around its center.
>
> I know of no straightforward way to do this in ParaView.  The problem is
> that the tube filter is designed to create round tubes, and any visible
> facets are just an artifact of that.  Even if you were able to rotate the
> tubes, the shading would still be wrong; the normals are oriented to make
> the polygons look rounded instead of flat.
>
> Attached is a Python script that, in a roundabout way, creates square links
> oriented the way you want with a sequence of filters (including one from the
> Moments plugin, which you will have to load to get it to work).  The basic
> sequence is to create a cell vector field array that captures the length and
> orientation of the lines, then run cell centers, then glyph the centers
> using the vectors for orientation and scaling.  This of course is actually
> quite ugly to set up (which is why I captured it in a script), and there is
> the additional problem that if your lines are different lengths, the links’
> widths will be scaled along with their lengths.  If you need to do this
> frequently, you may need to resort to creating your own version of the tube
> filter.
>
> -Ken
>
>
>
> On 10/23/09 2:01 AM, "Jérôme" <jerome.velut at gmail.com> wrote:
>
> Hi,
>
> if your links are independent polydatas, you can simply apply a transform
> filter with a 90deg-rotation to the ouput of your tube filters.
>
> HTH,
> Jerome
>
> 2009/10/23 Sreejith Pulloor <sreejithpk at gmail.com>
>
> Paraview,
>
> I am trying to create a network with some cubic pores connected by square
> links. For the pores, I applied the box glyphs and for getting square links,
> I applied the tube filter with 4 sides. And the final picture
> is attached.  Now if we look, the square cross section of the link lying
> diagonal to the cubic cross section. What i would like to have the cubic
> pores and square cross section aligned parallel. How can I do that? Any
> tips?
>
> thank you
> Sreejith
>
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>    ****      Kenneth Moreland
>     ***      Sandia National Laboratories
> ***********
> *** *** ***  email: kmorel at sandia.gov
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