54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#ifndef vtk_m_filter_Entropy_h
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#define vtk_m_filter_Entropy_h
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#include <vtkm/filter/FilterField.h>
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namespace vtkm
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{
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namespace filter
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{
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/// \brief Construct the entropy histogram of a given Field
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///
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/// Construct a histogram which is used to compute the entropy with a default of 10 bins
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///
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class Entropy : public vtkm::filter::FilterField<Entropy>
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{
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public:
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//currently the Entropy filter only works on scalar data.
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using SupportedTypes = TypeListTagScalarAll;
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//Construct a histogram which is used to compute the entropy with a default of 10 bins
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VTKM_CONT
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Entropy();
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VTKM_CONT
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void SetNumberOfBins(vtkm::Id count) { this->NumberOfBins = count; }
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template <typename T, typename StorageType, typename DerivedPolicy>
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VTKM_CONT vtkm::cont::DataSet DoExecute(const vtkm::cont::DataSet& input,
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const vtkm::cont::ArrayHandle<T, StorageType>& field,
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const vtkm::filter::FieldMetadata& fieldMeta,
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const vtkm::filter::PolicyBase<DerivedPolicy>& policy);
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private:
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vtkm::Id NumberOfBins;
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};
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}
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} // namespace vtkm::filter
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#include <vtkm/filter/Entropy.hxx>
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#endif // vtk_m_filter_Entropy_h
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