Hi,
I am trying to import and visualize CFD data from an external tool in MITK. I
figured I can use mitk::UnstructuredGrid for this purpose, since it has a
m_GridSeries member. I do have the data for the time steps in separate .vtu
files that I load as separate mitk::UnstructuredGrid instances that I use to
extract the vtk::UnstructuredGrid (GetVtkUnstructuredGrid) and assemble in one
mitk::UnstructuredGrid instance (SetVtkUnstructuredGrid with the timestep) that
contains all timesteps. Everything works well this far: The timesteps show up
in the DataNodes Details widget, the m_GridSeries member is filled and I do see
the first timestep in the 3D visualization. However, the time slider (in the
ImageNavigator widget) does not seem to work. I called GetUpdatedTimeGeometry
after assembling the UnstructuredGrid to be sure and I confirmed that the time
geometry does contain multiple timesteps, but the ImageNavigator widget seems
not to recognize that.
Is my approach right so far (assemble the mitk::UnstructuredGrid from multiple
instances) or is there a better approach and what do I miss?
This is what the details widget shows for the data node containing my assembled
mitk::UnstructuredGrid:
UnstructuredGrid (0000024FC36D6870)
TimeGeometry: ProportionalTimeGeometry (0000024FC365B400)
TimeSteps: 51
FirstTimePoint: 0
StepDuration: 1 ms
Time Bounds: 0 - 51
GetGeometryForTimeStep(0): Geometry3D (0000024FC27CA060)
IndexToWorldTransform:
Matrix:
1 0 0
0 1 0
0 0 1
Offset: [37.4872, -32.9024, -18.974]
Center: [0, 0, 0]
Translation: [37.4872, -32.9024, -18.974]
Inverse:
1 0 0
0 1 0
0 0 1
Scale : 1 1 1
BoundingBox: ( 2.35031,11.1689 9.53366,15.3866 7.2686,13.5972
)
Origin: [37.4872, -32.9024, -18.974]
ImageGeometry: 0
Spacing: [1, 1, 1]
Thank you in advance!
Kind regards,
Bertram
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