Dear Ingmar,
I adapted my code implementing the changes you proposed. The points are
rendered correctly, e.g the points are rendered in the correct
renderwindow. Nevertheless, when I access the points on the pointSetNode
all the points are stored in the same pointSetNode.
Is the pointSetInteractor using a global instance of pointSetNode to add
the points? I check if the node used in the CanHandleEvent method of my
own interactor is the same as the one passed at instantiation, and it
is. Still the points are not added to that specific node...
Any suggestions what I might be doing wrong?
Thanks and regards
Am 12.11.2010 15:31, schrieb Wegner Ingmar:
Dear Michela,
I have created a bug with an attached patch to show how to implement
the interaction you need for step5.
See bug 6047 for more details and the patch
http://bugs.mitk.org/show_bug.cgi?id=6047
The patch modifies tutorial step5:
loading two different images,
visualizing them independently in two widgets,
defining a pointset and pointsetinteractor for each image
and dividing the interaction so that points for the one image can only
be added in the one window and vice versa
You can apply the patch to the core and test it on tutorial Step5.
Short explanation on the patch: It contains a new class
NodeDependentPointSetInteractor, that is derived from
PointSetInteractor and derives method CanHandleEvent. Within this
method a check on the render specific visibility property of one
specified dataNode is done. If the event was sent by a renderwindow in
which the specified data node is visible, the standard procedure for
checking the possibility to handle an event is processed. If not, 0 is
returned and thus the event rejected.
I hope this helps to clear things up. I will check the changes more
thoroughly and commit them to the trunk once accepted.
Best Regards,
Ingmar
*Von:*Michela Schorta [mailto:[email protected]]
*Gesendet:* Mittwoch, 10. November 2010 13:54
*An:* Wegner Ingmar
*Cc:* [email protected]
*Betreff:* Re: [mitk-users] set points in two pic files
Dear Ingmar,
thank you for your fast answer.
We want to realize a registration between two pictures, but for now we
only want to try a simple one with landmarks.
The points we'd like to set on the pictures will be our landmarks. So
we will need to have two pointsets, which can't be realized with one
datastorage, or can it?
Is it possible to build up two GlobalInteractions? I've tried it over
the simple constructor with two different names, but it didn't work
either and made the same thing like before.
Best, Michela
Am 09.11.2010 15:48, schrieb Wegner Ingmar:
Dear Michela,
the problem is, that there only is one GlobalInteraction and it
doesn't distinct between two different data storages.
It processes all connected interactors. Because you add both
interactors to the same GlobalInteraction, it decides, that the first
PointSetInteractor, that can handle the event as good as the second
PSInteractor (method PointSetInteractor::CanHandleEvent(...)),
receives the event.
Thus the points only get added into the first pointset. (You can check
this by first adding PointSetInteractor of Node2 to GlobalInteraction
and then adding PSInteractor of Node1 to it; then points are displayed
in the renderWindow2)
If you have to build up two different data storages, you will also
have to take care of two RenderingManagers, two EventMappers and two
GlobalInteractions.
So why not take one data storage, enable renderer specific
visualization of the images, and using two PointListWidgets to take
care of PointSetInteraction.
Actually a colleague is currently working on a
CorrespondingPointSetWidget, so a widget, that displays the data of
two pointsets with correspondence.
Would that be a solution for you or do you have to use two data storages?
If so, we can help with further examples.
Best Regards,
Ingmar
*Von:*Michela Schorta [mailto:[email protected]]
*Gesendet:* Dienstag, 9. November 2010 09:22
*An:* [email protected]
<mailto:[email protected]>
*Betreff:* [mitk-users] set points in two pic files
Hello
I'd like to code an application which is able to load two files (.pic
files) and show them in one window. Futhermore I'd like to set points
on both pictures. For this I copied the code of example 5, but
implemented two datastorages (for each picture one). The problem is
now that setting points on the left picure works as it has to, but
when I set points on the right picture, the points are shown in the
left picture. Isn't it possible to create two PointSetInteractor? How
could I solve this problem? Underneath is my code for setting the
points and creating and show the window. Thanks for your help in advance.
// Create PointSet and a node for it
mitk::PointSet::Pointer pointSet1 = mitk::PointSet::New();
mitk::PointSet::Pointer pointSet2 = mitk::PointSet::New();
mitk::DataNode::Pointer pointSetNode1 = mitk::DataNode::New();
mitk::DataNode::Pointer pointSetNode2 = mitk::DataNode::New();
pointSetNode1->SetData(pointSet1);
pointSetNode2->SetData(pointSet2);
// Add the node to the tree
ds1->Add(pointSetNode1);
ds2->Add(pointSetNode2);
// Create PointSetInteractor, associate to pointSetNode and add as
// interactor to GlobalInteraction
mitk::GlobalInteraction::GetInstance()->AddInteractor(
mitk::PointSetInteractor::New("pointsetinteractor", pointSetNode1)
);
mitk::GlobalInteraction::GetInstance()->AddInteractor(
mitk::PointSetInteractor::New("pointsetinteractor", pointSetNode2)
);
// Create toplevel widget with horizontal layout
QWidget toplevelWidget;
QHBoxLayout layout;
layout.setSpacing(2);
layout.setMargin(0);
toplevelWidget.setLayout(&layout);
// Create a RenderWindow
QmitkRenderWindow renderWindow1(&toplevelWidget);
QmitkRenderWindow renderWindow2(&toplevelWidget);
layout.addWidget(&renderWindow1);
layout.addWidget(&renderWindow2);
// Tell the RenderWindow which (part of) the datastorage to render
renderWindow1.GetRenderer()->SetDataStorage(ds1);
renderWindow2.GetRenderer()->SetDataStorage(ds2);
// Initialize the RenderWindow
mitk::TimeSlicedGeometry::Pointer geo1 =
ds1->ComputeBoundingGeometry3D(ds1->GetAll());
mitk::TimeSlicedGeometry::Pointer geo2 =
ds2->ComputeBoundingGeometry3D(ds2->GetAll());
mitk::RenderingManager::GetInstance()->InitializeViews(geo1);
mitk::RenderingManager::GetInstance()->InitializeViews(geo2);
// Select a slice
mitk::SliceNavigationController::Pointer sliceNaviController1 =
renderWindow1.GetSliceNavigationController();
if (sliceNaviController1)
sliceNaviController1->GetSlice()->SetPos( 0 );
mitk::SliceNavigationController::Pointer sliceNaviController2 =
renderWindow2.GetSliceNavigationController();
if (sliceNaviController2)
sliceNaviController2->GetSlice()->SetPos( 20 );
// Show window
toplevelWidget.show();
toplevelWidget.setWindowTitle("Registrierung");
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