Hello Miranda,
there have been a few more or less similar questions on the mailing list
before. Perhaps this answer might help you:
http://sourceforge.net/mailarchive/forum.php?thread_name=1330946969.14497.11.camel%40mbi073.dkfz-heidelberg.de&forum_name=mitk-users
Greets,
Alfred
Am 15.03.2012 22:57, schrieb Miranda Jacob:
Hello,
I am currently using MITK and it is working well. We currently allow
the user to create individual ROI’s which are vtkpolydata but to
display them in our MITK project we append all of them together and
then add them to a single mitk::Surface. I want to be able to change
the individual color of each ROI. In order to do this I was hoping to
be able to change the color of each vtkpolydata before it is appended
to the rest of the polydata’s. Is this possible? Do you know of any
way to change the color of the individual vtkpolydata’s?
Here is the code that appends all of them together into a single
mitk::Surface.
intnumberOfROIs = surface->GetSizeOfPolyDataSeries();
if ( numberOfROIs > 1 )
{
// append all the polydata info from 1,2,3,...n all to the 0'th
index vtkSmartPointer<vtkAppendPolyData>
appendFilter = vtkSmartPointer<vtkAppendPolyData>::New();
for(int nROIcnt=1;nROIcnt<numberOfROIs;++nROIcnt)
{
vtkPolyData* pindex = surface->GetVtkPolyData(nROIcnt);
if(pindex)
{
// Here is where I want to change the color for each polydata
pindex->SetColorForPolyData();//this would be
the function to do what I want
appendFilter->AddInputConnection(pindex->GetProducerPort());
}
}
appendFilter->Update();
vtkSmartPointer<vtkCleanPolyData> cleanFilter =
vtkSmartPointer<vtkCleanPolyData>::New();
cleanFilter->SetInputConnection(appendFilter->GetOutputPort());
cleanFilter->Update();
surface->SetVtkPolyData(cleanFilter->GetOutput(),0);
surface->SetRequestedRegionToLargestPossibleRegion();
}
Thank you,
Miranda Jacobson
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