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Add GetNumberOfActiveFields method to FilterField

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This commit is contained in:
Kenneth Moreland 2023-05-16 10:03:19 -06:00
parent 5bdd3c7bc2
commit a8b4e5a629
1 changed files with 15 additions and 2 deletions
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17
vtkm/filter/FilterField.h
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@ -46,7 +46,7 @@ public:
vtkm::cont::Field::Association association = vtkm::cont::Field::Association::Any)
{
auto index_st = static_cast<std::size_t>(index);
ResizeIfNeeded(index_st);
this->ResizeIfNeeded(index_st);
this->ActiveFieldNames[index_st] = name;
this->ActiveFieldAssociation[index_st] = association;
}
@ -79,7 +79,7 @@ public:
void SetActiveCoordinateSystem(vtkm::IdComponent index, vtkm::Id coord_idx)
{
auto index_st = static_cast<std::size_t>(index);
ResizeIfNeeded(index_st);
this->ResizeIfNeeded(index_st);
this->ActiveCoordinateSystemIndices[index_st] = coord_idx;
}
@ -120,6 +120,19 @@ public:
}
///@}
/// \brief Return the number of active fields currently set.
///
/// The general interface to `FilterField` allows a user to set an arbitrary number
/// of active fields (indexed 0 and on). This method returns the number of active
/// fields that are set. Note that the filter implementation is free to ignore
/// any active fields it does not support. Also note that an active field can be
/// set to be either a named field or a coordinate system.
vtkm::IdComponent GetNumberOfActiveFields() const
{
VTKM_ASSERT(this->ActiveFieldNames.size() == this->UseCoordinateSystemAsField.size());
return static_cast<vtkm::IdComponent>(this->UseCoordinateSystemAsField.size());
}
protected:
VTKM_CONT
const vtkm::cont::Field& GetFieldFromDataSet(const vtkm::cont::DataSet& input) const