bool
RenderingManager
::InitializeViews(const TimeGeometry * dataGeometry, RequestType type, bool /*preserveRoughOrientationInWorldSpace*/)
{
MITK_DEBUG << "initializing views";
bool boundingBoxInitialized = false;
TimeGeometry::ConstPointer timeGeometry = dataGeometry;
TimeGeometry::Pointer modifiedGeometry = NULL;
if (dataGeometry != NULL)
{
modifiedGeometry = dataGeometry->Clone();
}
int warningLevel = vtkObject::GetGlobalWarningDisplay();
vtkObject::GlobalWarningDisplayOff();
if ((timeGeometry.IsNotNull()) && (const_cast<mitk::BoundingBox *>(
timeGeometry->GetBoundingBoxInWorld())->GetDiagonalLength2() > mitk::eps))
{
boundingBoxInitialized = true;
}
if (timeGeometry.IsNotNull())
{// make sure bounding box has an extent bigger than zero in any direction
// clone the input geometry
//Old Geometry3D::Pointer modifiedGeometry = dynamic_cast<Geometry3D*>( dataGeometry->Clone().GetPointer() );
assert(modifiedGeometry.IsNotNull());
for (TimeStepType step = 0; step < modifiedGeometry->CountTimeSteps(); ++step)
{
BaseGeometry::BoundsArrayType newBounds = modifiedGeometry->GetGeometryForTimeStep(step)->GetBounds();
for (unsigned int dimension = 0; (2 * dimension) < newBounds.Size(); dimension++)
{
//check for equality but for an epsilon
if (Equal(newBounds[2 * dimension], newBounds[2 * dimension + 1]))
{
newBounds[2 * dimension + 1] += 1;
if( Equal( newBounds[ 2 * dimension ], newBounds[ 2 * dimension + 1 ] ) ) // newBounds will still be equal if values are beyond double precision
{
mitkThrow()<< "One dimension of object data has zero length, please make sure you're not using numbers beyond double precision as coordinates.";
}
}
}
modifiedGeometry->GetGeometryForTimeStep(step)->SetBounds(newBounds);
}
}
timeGeometry = modifiedGeometry;
RenderWindowList::const_iterator it;
for (it = m_RenderWindowList.cbegin(); it != m_RenderWindowList.cend(); ++it)
{
mitk::BaseRenderer *baseRenderer =
mitk::BaseRenderer::GetInstance(it->first);
baseRenderer->SetConstrainZoomingAndPanning(m_ConstrainedPanningZooming);
int id = baseRenderer->GetMapperID();
if (((type == REQUEST_UPDATE_ALL)
|| ((type == REQUEST_UPDATE_2DWINDOWS) && (id == 1))
|| ((type == REQUEST_UPDATE_3DWINDOWS) && (id == 2)))
)
{
this->InternalViewInitialization(baseRenderer, timeGeometry,
boundingBoxInitialized, id);
}
}
if (boundingBoxInitialized)
{
m_TimeNavigationController->SetInputWorldTimeGeometry(timeGeometry);
}
m_TimeNavigationController->Update();
this->RequestUpdateAll(type);
vtkObject::SetGlobalWarningDisplay(warningLevel);
// Inform listeners that views have been initialized
this->InvokeEvent(mitk::RenderingManagerViewsInitializedEvent());
return boundingBoxInitialized;
}
