Hi Stefan, hi all,
Anyone can help me with this? Here's a better explanation of what I
need. Lets say:
1) I load a small object, place the scene as I like (zoom, rotate 3D and
axes, etc.) http://i.imgur.com/MBHAqza.png
2) I load a second object: the reference image.
http://i.imgur.com/Gy93a3a.png This screenshot was taken just before the
automatic reinit in RenderingManager::InitializeViews (using a breakpoint).
In the last screenshot, my goal would be to leave the planes untouched,
except for the bounds. I should be able to see the image in the
sagittal/coronal planes and I should to be able to see the image *if* I
zoom back. I know it's not currently possible in MITK. I'm asking how to
do it in the code. I tried some things but it always produce horrors
like [3] in my previous message. Any ideas how I can achieve that?
Nil
Le 2017-06-21 à 09:09, Nil Goyette a écrit :
Hi Stefan,
Thank you for your answer. I'm working in
InitializeViewsByBoundingObjects and InitializeViews, so I'm aware of
this method. If I understand correctly, it returns a geometry with
orthogonal planes (reinited, reseted?). I would gladly use the
offset/bounds of this geometry but I also want to *keep the rotation*
of the planes.
In fact, that's what I tried to do in the snippet below. timeGeometry
IS the result of ds->ComputeBoundingGeometry3D(ds->GetAll());.
Nil
Le 2017-06-21 à 03:44, Dinkelacker, Stefan a écrit :
Hi,
if you want to recompute the bounding box of the scene, mitk::DataStorage has a
method for this purpose:
mitk::TimeGeometry::Pointer geo =
ds->ComputeBoundingGeometry3D(ds->GetAll());
Best,
Stefan
________________________________________
Von: Nil Goyette<nil.goye...@imeka.ca>
Gesendet: Dienstag, 20. Juni 2017 17:24
An:mitk-users@lists.sourceforge.net
Betreff: [mitk-users] Special reinit
Hi all,
Lets start by saying that I know "Reinit" is not the right choice of
word in this case! A reinit would reset the axis, as it should. Lets
say, for the sake of the discussion, that I want a reinit that simply
update the scene's bounding box, nothing else, like [1] to [2] (made by
hand, so not exact!):
- No camera modification, so everything is still at the same place
- Keep the axis rotated if they were
- Resize the scene if an object was added/deleted
I tried adding this snippet in RenderingManager::InitializeViews. In
clear english: reuse the old geometry for the current plane, but update
it with the new offset and bounds that we just calculated.
auto newGeo = timeGeometry->GetGeometryForTimeStep(0);
auto oldTimeGeo = nc->GetCreatedWorldGeometry();
auto oldGeo = oldTimeGeo->GetGeometryForTimeStep(0);
oldGeo->GetIndexToWorldTransform()->SetOffset(
newGeo->GetIndexToWorldTransform()->GetOffset());
oldGeo->SetBounds(newGeo->GetBounds());
nc->SendCreatedWorldGeometryUpdate();
nc->SetInputWorldTimeGeometry(oldTimeGeo);
nc->Update();
...
This doesn't work; it throws the planes in strange places [3], probably
because I broke their affine matrix. I tried many things but my biggest
success was to remove the call to SetInputWorldTimeGeometry [4]. I
checked in DisplayInteractor::Rotate to see if there was a way to find
the old rotation applied to the plane but it doesn't seem to be possible.
Anyway, I'm mostly wondering how YOU, the mitk experts :), would do it.
Thank you for your time.
Nil
[1]http://i.imgur.com/krzBvJV.png
[2]http://i.imgur.com/NWDQQqg.png
[3]http://i.imgur.com/7wwWczy.png
[4]http://i.imgur.com/m9jwrpE.png
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