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https://gitlab.kitware.com/vtk/vtk-m
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bddad9b386
Now that the dispatcher does its own TryExecute, filters do not need to do that. This change requires all worklets called by filters to be able to execute without knowing the device a priori.
76 lines
2.6 KiB
C++
76 lines
2.6 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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// 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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// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 Los Alamos National Security.
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#ifndef vtk_m_filter_PointElevation_h
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#define vtk_m_filter_PointElevation_h
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#include <vtkm/filter/FilterField.h>
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#include <vtkm/worklet/PointElevation.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 generate a scalar field along a specified direction
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///
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/// Generate scalar field from a dataset.
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/// The scalar field values lie within a user specified range, and
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/// are generated by computing a projection of each dataset point onto
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/// a line. The line can be oriented arbitrarily. A typical example is
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/// to generate scalars based on elevation or height above a plane.
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class PointElevation : public vtkm::filter::FilterField<PointElevation>
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{
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public:
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VTKM_CONT
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PointElevation();
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VTKM_CONT
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void SetLowPoint(vtkm::Float64 x, vtkm::Float64 y, vtkm::Float64 z);
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VTKM_CONT
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void SetHighPoint(vtkm::Float64 x, vtkm::Float64 y, vtkm::Float64 z);
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VTKM_CONT
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void SetRange(vtkm::Float64 low, vtkm::Float64 high);
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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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private:
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vtkm::worklet::PointElevation Worklet;
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};
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template <>
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class FilterTraits<PointElevation>
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{
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public:
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//Point Elevation can only convert Float and Double Vec3 arrays
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using InputFieldTypeList = vtkm::TypeListTagFieldVec3;
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};
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}
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} // namespace vtkm::filter
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#include <vtkm/filter/PointElevation.hxx>
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#endif // vtk_m_filter_PointElevation_h
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