mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 02:55:47 +00:00
07c59fcf72
Rather than do a CastAndCall on all possible field types when calling a worklet with two fields (where they all typically get cast to the same type as the primary field), use the new mechanism with ArrayHandleMultiplexer to create one code path. Also update the ApplyPolicy to accept the Field type, which is used to determine any additional storage types to support.
107 lines
3.5 KiB
C++
107 lines
3.5 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_WarpScalar_h
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#define vtk_m_filter_WarpScalar_h
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#include <vtkm/filter/FilterField.h>
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#include <vtkm/worklet/WarpScalar.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 Modify points by moving points along point normals by the scalar
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/// amount times the scalar factor.
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///
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/// A filter that modifies point coordinates by moving points along point normals
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/// by the scalar amount times the scalar factor.
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/// It's a VTK-m version of the vtkWarpScalar in VTK.
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/// Useful for creating carpet or x-y-z plots.
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/// It doesn't modify the point coordinates, but creates a new point coordinates that have been warped.
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class WarpScalar : public vtkm::filter::FilterField<WarpScalar>
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{
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public:
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// WarpScalar can only applies to Float and Double Vec3 arrays
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using SupportedTypes = vtkm::TypeListTagFieldVec3;
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// WarpScalar often operates on a constant normal value
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using AdditionalFieldStorage =
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vtkm::ListTagBase<vtkm::cont::ArrayHandleConstant<vtkm::Vec3f_32>::StorageTag,
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vtkm::cont::ArrayHandleConstant<vtkm::Vec3f_64>::StorageTag>;
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VTKM_CONT
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WarpScalar(vtkm::FloatDefault scaleAmount);
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//@{
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/// Choose the secondary field to operate on. In the warp op A + B *
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/// scaleAmount * scalarFactor, B is the secondary field
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VTKM_CONT
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void SetNormalField(
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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->NormalFieldName = name;
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this->NormalFieldAssociation = association;
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}
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VTKM_CONT const std::string& GetNormalFieldName() const { return this->NormalFieldName; }
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VTKM_CONT vtkm::cont::Field::Association GetNormalFieldAssociation() const
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{
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return this->NormalFieldAssociation;
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}
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//@}
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//@{
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/// Choose the scalar factor field to operate on. In the warp op A + B *
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/// scaleAmount * scalarFactor, scalarFactor is the scalar factor field.
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VTKM_CONT
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void SetScalarFactorField(
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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->ScalarFactorFieldName = name;
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this->ScalarFactorFieldAssociation = association;
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}
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VTKM_CONT const std::string& GetScalarFactorFieldName() const
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{
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return this->ScalarFactorFieldName;
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}
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VTKM_CONT vtkm::cont::Field::Association GetScalarFactorFieldAssociation() const
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{
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return this->ScalarFactorFieldAssociation;
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}
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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(
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const vtkm::cont::DataSet& input,
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const vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType>& field,
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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::worklet::WarpScalar Worklet;
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std::string NormalFieldName;
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vtkm::cont::Field::Association NormalFieldAssociation;
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std::string ScalarFactorFieldName;
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vtkm::cont::Field::Association ScalarFactorFieldAssociation;
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vtkm::FloatDefault ScaleAmount;
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};
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}
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}
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#include <vtkm/filter/WarpScalar.hxx>
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#endif // vtk_m_filter_WarpScalar_h
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