74 lines
2.5 KiB
C++
74 lines
2.5 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_ClipWithField_h
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#define vtk_m_filter_ClipWithField_h
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#include <vtkm/filter/FilterDataSetWithField.h>
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#include <vtkm/worklet/Clip.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 Clip a dataset using a field
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///
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/// Clip a dataset using a given field value. All points that are less than that
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/// value are considered outside, and will be discarded. All points that are greater
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/// are kept.
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/// The resulting geometry will not be water tight.
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class ClipWithField : public vtkm::filter::FilterDataSetWithField<ClipWithField>
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{
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public:
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VTKM_CONT
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ClipWithField();
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VTKM_CONT
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void SetClipValue(vtkm::Float64 value) { this->ClipValue = value; }
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VTKM_CONT
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void SetInvertClip(bool invert) { this->Invert = invert; }
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VTKM_CONT
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vtkm::Float64 GetClipValue() const { return this->ClipValue; }
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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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//Map a new field onto the resulting dataset after running the filter.
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//This call is only valid after Execute has been called.
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template <typename T, typename StorageType, typename DerivedPolicy>
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VTKM_CONT bool DoMapField(vtkm::cont::DataSet& result,
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const vtkm::cont::ArrayHandle<T, StorageType>& input,
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const vtkm::filter::FieldMetadata& fieldMeta,
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vtkm::filter::PolicyBase<DerivedPolicy> policy);
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private:
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vtkm::Float64 ClipValue;
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vtkm::worklet::Clip Worklet;
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bool Invert;
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};
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template <>
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class FilterTraits<ClipWithField>
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{ //currently the Clip filter only works on scalar data.
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public:
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using InputFieldTypeList = TypeListTagScalarAll;
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};
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}
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} // namespace vtkm::filter
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#include <vtkm/filter/ClipWithField.hxx>
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#endif // vtk_m_filter_ClipWithField_h
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