109 lines
3.9 KiB
C++
109 lines
3.9 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_ImageDifference_h
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#define vtk_m_filter_ImageDifference_h
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#include <vtkm/TypeList.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 an ImageDifference of a given DataSet
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///
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/// The dataset generated by executing this filter is a Dataset with two Fields:
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/// - "image-diff": Uniform Structured Dataset, difference values of image A - B
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/// - "threshold-output": Uniform Structured Dataset, the magnitudes of the pixel differences
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///
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/// The threshold-output is calculated for each pixel using the `vtkm::Magnitude` vector function
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/// on the individual pixel difference.
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///
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class ImageDifference : public vtkm::filter::FilterField<ImageDifference>
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{
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public:
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using SupportedTypes = vtkm::TypeListFieldVec4;
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VTKM_CONT ImageDifference();
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VTKM_CONT vtkm::IdComponent GetRadius() const { return this->Radius; }
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VTKM_CONT void SetRadius(const vtkm::IdComponent& radius) { this->Radius = radius; }
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VTKM_CONT vtkm::FloatDefault GetThreshold() const { return this->Threshold; }
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VTKM_CONT void SetThreshold(const vtkm::FloatDefault& threshold) { this->Threshold = threshold; }
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VTKM_CONT bool GetAveragePixels() const { return this->AveragePixels; }
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VTKM_CONT void SetAveragePixels(const bool& averagePixels)
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{
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this->AveragePixels = averagePixels;
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}
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VTKM_CONT bool GetImageDiffWithinThreshold() const { return this->ImageDiffWithinThreshold; }
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VTKM_CONT void SetThresholdFieldName(const std::string& name) { this->ThresholdFieldName = name; }
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VTKM_CONT std::string GetThresholdFieldName() const { return this->ThresholdFieldName; }
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/// Choose the primary field to operate on. For Image difference A - B, A is the
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/// primary field.
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VTKM_CONT
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void SetPrimaryField(
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const std::string& name,
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vtkm::cont::Field::Association association = vtkm::cont::Field::Association::ANY)
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{
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this->SetActiveField(name, association);
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}
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VTKM_CONT std::string GetPrimaryFieldName() const { return this->GetActiveFieldName(); }
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VTKM_CONT vtkm::cont::Field::Association GetPrimaryFieldAssociation() const
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{
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return this->GetActiveFieldAssociation();
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}
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/// Choose the secondary field to operate on. For Image difference A - B, B is the
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/// secondary field.
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VTKM_CONT
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void SetSecondaryField(
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const std::string& name,
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vtkm::cont::Field::Association association = vtkm::cont::Field::Association::ANY)
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{
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this->SecondaryFieldName = name;
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this->SecondaryFieldAssociation = association;
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}
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VTKM_CONT std::string GetSecondaryFieldName() const { return this->SecondaryFieldName; }
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VTKM_CONT vtkm::cont::Field::Association GetSecondaryFieldAssociation() const
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{
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return this->SecondaryFieldAssociation;
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}
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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>& primary,
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const vtkm::filter::FieldMetadata& fieldMetadata,
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vtkm::filter::PolicyBase<DerivedPolicy> policy);
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private:
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vtkm::IdComponent Radius;
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vtkm::FloatDefault Threshold;
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bool AveragePixels;
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bool ImageDiffWithinThreshold;
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std::string SecondaryFieldName;
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vtkm::cont::Field::Association SecondaryFieldAssociation;
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std::string ThresholdFieldName;
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};
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} // namespace filter
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} // namespace vtkm
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#include <vtkm/filter/ImageDifference.hxx>
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#endif // vtk_m_filter_ImageDifference_h
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