Re: 3D Viewer- Animation's transparency when rotating

Posted by cromatina on Jul 15, 2015; 9:43am
URL: http://imagej.273.s1.nabble.com/3D-Viewer-Animation-s-transparency-when-rotating-tp5013360p5013567.html

Thank you! That worked! Now I wonder if there is the possibility to draw
shadows in the segmented structures. I would like to apply shadows in the
inner zones just to have tridimensional effect when I show a snapshot of
the volume. Do you know if this is possible? Thanks!

Best,

Andrea

2015-07-09 10:42 GMT+02:00 Ignacio Arganda-Carreras <
[hidden email]>:

> Image > Stack > Reslice
>
> In general, if you press the key "L", the Command Finder will pop up and
> there you can type any command you want.
>
> Cheers!
>
> On Wed, Jul 8, 2015 at 2:04 PM, Andrea Chicano <[hidden email]>
> wrote:
>
> > Hi guys!
> >
> > I have the same problem of Maria. My segmented areas look transparent in
> > some regions depending on the angle of visualization. I have not been
> able
> > to apply Reslice command to make the spacing between stacks smaller.
> Could
> > someone help me to find Reslice command, please?
> >
> > Thanks!
> >
> > 2015-06-30 18:11 GMT+02:00 Curtis Rueden <[hidden email]>:
> >
> > > Hi Maria,
> > >
> > > > When my object rotates, the animation goes transparent in some
> > > > sections (here I'm able to see the internal layers) and opaque in
> > > > others.
> > >
> > > The differences in transparency are an artifact of how the 3D Viewer
> > > generates its volume visualization. It is actually a series of
> > > semi-transparent slices oriented at the closest angle to "top down"
> from
> > > the camera. You can see this most dramatically if you:
> > >
> > > A) visualize an image stack with very few slices, such as the Mitosis
> > > sample
> > > B) orient the volume at an edge or corner, then rotate back and forth
> > > across the border
> > >
> > > One way to minimize the discrepancy is to use the Reslice command with
> > > smaller output spacing, and "Avoid interpolation" unchecked. As a rule
> of
> > > thumb: the closer your Z resolution is to your X and Y resolution, the
> > less
> > > of a discrepancy there will be.
> > >
> > > You could also try other 3D visualization solutions with your data,
> such
> > as
> > > the BigDataViewer [1], Volume Viewer [2], or Icy [3].
> > >
> > > Regards,
> > > Curtis
> > >
> > > [1] http://imagej.net/BigDataViewer
> > > [2] http://imagej.net/Volume_Viewer
> > > [3] http://imagej.net/Icy
> > >
> > >
> > > On Tue, Jun 30, 2015 at 9:43 AM, mduenas <[hidden email]> wrote:
> > >
> > > > Hello all,
> > > >
> > > > I'm currently using 3D Viewer and I'm having trouble visualizing the
> > > > animation of my object. When my object rotates, the animation goes
> > > > transparent in some sections (here I'm able to see the internal
> layers)
> > > and
> > > > opaque in others. Is there a way to have the animation just be were
> it
> > > goes
> > > > transparent, rather than flashing back and forth?
> > > >
> > > > Thank you,
> > > >
> > > > Maria
> > > >
> > > >
> > > >
> > > > --
> > > > View this message in context:
> > > >
> > >
> >
> http://imagej.1557.x6.nabble.com/3D-Viewer-Animation-s-transparency-when-rotating-tp5013360.html
> > > > Sent from the ImageJ mailing list archive at Nabble.com.
> > > >
> > > > --
> > > > ImageJ mailing list: http://imagej.nih.gov/ij/list.html
> > > >
> > >
> > > --
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> > >
> >
> > --
> > ImageJ mailing list: http://imagej.nih.gov/ij/list.html
> >
>
>
>
> --
> Ignacio Arganda-Carreras, Ph.D.
> Institut Jean-Pierre Bourgin, UMR1318 INRA-AgroParisTech
> Bâtiment 2
> INRA Centre de Versailles-Grignon
> Route de St-Cyr (RD10)
> 78026 Versailles Cedex France
>
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>
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