[Vv] flicker with vv's ROI tool

[Joel Schaerer]

Hi David,

Glad to see the problem is already solved! Of course some flicking
remains, but this change makes it a little better.

joel

PS: please stop changing the URL of your git repo every three months! :-D

David Sarrut wrote:
> Hi Joel, 
>
> try the last version there is a way to set the depth or a ROI. Does it
> improve flicking ?
>
> I work on an update off the ROI tool (to be merge with dicom-rt import
> tool), but it is not finished yet. I will let you know.
>
> David
>
> On Wed, Feb 22, 2012 at 13:58, Joel Schaerer <joel.schaerer at gmail.com
> <mailto:joel.schaerer at gmail.com>> wrote:
>
>     Hi vv guys,
>
>     As you probably know, the ROI tool in vv, while useful, flickers a lot
>     when changing slices. I believe I may have pinpointed at least part of
>     the problem. If you check the captures, you will see that the ROI
>     on top
>     changes randomly when changing slices. I believe this is due to
>     the fact
>     that the two ROIs are on the same z plane. Of course there is no
>     reason
>     this should be the case, since we use a parallel projection, we
>     can put
>     everything in its own plane (this is already the case for other things
>     such as the overlay).
>
>     I'm willing to try to patch it, but I need answers to the following
>     questions:
>
>     0) Is this reasonable, or am I completely mistaken?
>
>     1) (for David, I think!) In which class should I alter the z plane of
>     the ROI?
>
>     2) How should we manage which object goes on which plane? There is
>     already the image, the overlay, the ROIs, the vector field, ... It
>     would
>     be nice to have at least a general rule to avoid putting two things on
>     the same plane.
>
>
>     joel
>
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>
>
>
> -- 
> David Sarrut, Phd
> Chargé de recherche CNRS
> Laboratoire CREATIS, UMR CNRS 5220, Inserm U 1044
> Centre de lutte contre le cancer Léon Bérard
> 28 rue Laënnec, 69373 Lyon cedex 08
> Tel : 04 78 78 51 51 / 06 74 72 05 42
> http://www.creatis.insa-lyon.fr/rio
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