[vtkusers] How to output a list of vtkImageData from filter

[the_shark]

to be a little more specific here's some code and the error I get:

int myFilter::RequestData(vtkInformation* vtkNotUsed(request),
                              vtkInformationVector** inputVector,
                              vtkInformationVector** outputVector)
{

    // get the info object
    
    vtkInformation *outInfo0 = outputVector[0]->GetInformationObject(0); //
VOIs

(....)

    MyClassWithVOIs* outputLUT = MyClassWithVOIs::SafeDownCast( 
        outInfo0->Get(vtkDataObject::DATA_OBJECT()));                        
//VOIs
}

------------error: error C2440: 'initializing' : cannot convert from
'vtkImageAlgorithm *' to 'MyClassWithVOIs *'


---------

int TilingFilter::FillOutputPortInformation(
    int port, vtkInformation* info)
{
  // now add our info
  if(port ==0)
    info->Set(vtkDataObject::DATA_TYPE_NAME(), "MyClassWithVOIs");




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