[Vv] flicker with vv's ROI tool

[David Sarrut]

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>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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