mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
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//============================================================================
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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_worklet_contour_FieldPropagation_h
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#define vtk_m_worklet_contour_FieldPropagation_h
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#include <vtkm/VectorAnalysis.h>
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#include <vtkm/worklet/WorkletMapField.h>
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namespace vtkm
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{
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namespace worklet
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{
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namespace contour
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{
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// ---------------------------------------------------------------------------
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class MapPointField : public vtkm::worklet::WorkletMapField
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{
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public:
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using ControlSignature = void(FieldIn interpolation_ids,
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FieldIn interpolation_weights,
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WholeArrayIn inputField,
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FieldOut output);
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using ExecutionSignature = void(_1, _2, _3, _4);
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using InputDomain = _1;
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VTKM_CONT
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MapPointField() {}
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template <typename WeightType, typename InFieldPortalType, typename OutFieldType>
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VTKM_EXEC void operator()(const vtkm::Id2& low_high,
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const WeightType& weight,
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const InFieldPortalType& inPortal,
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OutFieldType& result) const
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{
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//fetch the low / high values from inPortal
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result = static_cast<OutFieldType>(
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vtkm::Lerp(inPortal.Get(low_high[0]), inPortal.Get(low_high[1]), weight));
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}
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};
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}
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}
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}
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#endif
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