63050f68fc
The `MultiBlock` class has been renamed to `PartitionedDataSet`, and its API has been refactored to refer to "partitions", rather than "blocks". Additionally, the `AddBlocks` method has been changed to `AppendPartitions` to more accurately reflect the operation performed. The associated `AssignerMultiBlock` class has also been renamed to `AssignerPartitionedDataSet`. This change is motivated towards unifying VTK-m's data model with VTK. VTK has started to move away from `vtkMultiBlockDataSet`, which is a hierarchical tree of nested datasets, to `vtkPartitionedDataSet`, which is always a flat vector of datasets used to assist geometry distribution in multi-process environments. This simplifies traversal during processing and clarifies the intent of the container: The component datasets are partitions for distribution, not organizational groupings (e.g. materials). Ref #405
93 lines
3.0 KiB
C++
93 lines
3.0 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_Histogram_h
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#define vtk_m_filter_Histogram_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 histogram of a given Field
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///
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/// Construct a histogram with a default of 10 bins.
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///
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class Histogram : public vtkm::filter::FilterField<Histogram>
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{
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public:
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using SupportedTypes = vtkm::TypeListTagScalarAll;
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//Construct a histogram with a default of 10 bins
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VTKM_CONT
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Histogram();
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VTKM_CONT
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void SetNumberOfBins(vtkm::Id count) { this->NumberOfBins = count; }
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VTKM_CONT
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vtkm::Id GetNumberOfBins() const { return this->NumberOfBins; }
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//@{
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/// Get/Set the range to use to generate the histogram. If range is set to
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/// empty, the field's global range (computed using `vtkm::cont::FieldRangeGlobalCompute`)
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/// will be used.
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VTKM_CONT
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void SetRange(const vtkm::Range& range) { this->Range = range; }
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VTKM_CONT
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const vtkm::Range& GetRange() const { return this->Range; }
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//@}
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/// Returns the bin delta of the last computed field.
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VTKM_CONT
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vtkm::Float64 GetBinDelta() const { return this->BinDelta; }
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/// Returns the range used for most recent execute. If `SetRange` is used to
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/// specify and non-empty range, then this will be same as the range after
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/// the `Execute` call.
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VTKM_CONT
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vtkm::Range GetComputedRange() const { return this->ComputedRange; }
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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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vtkm::filter::PolicyBase<DerivedPolicy> policy);
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//@{
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/// when operating on vtkm::cont::PartitionedDataSet, we
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/// want to do processing across ranks as well. Just adding pre/post handles
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/// for the same does the trick.
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template <typename DerivedPolicy>
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VTKM_CONT void PreExecute(const vtkm::cont::PartitionedDataSet& input,
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const vtkm::filter::PolicyBase<DerivedPolicy>& policy);
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template <typename DerivedPolicy>
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VTKM_CONT void PostExecute(const vtkm::cont::PartitionedDataSet& input,
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vtkm::cont::PartitionedDataSet& output,
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const vtkm::filter::PolicyBase<DerivedPolicy>&);
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//@}
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private:
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vtkm::Id NumberOfBins;
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vtkm::Float64 BinDelta;
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vtkm::Range ComputedRange;
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vtkm::Range Range;
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};
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}
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} // namespace vtkm::filter
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#include <vtkm/filter/Histogram.hxx>
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#endif // vtk_m_filter_Histogram_h
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