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https://gitlab.kitware.com/vtk/vtk-m
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7be44c847f
Initially, the probe filter would simply not set a value if a sample was outside the input `DataSet`. This is not great as the memory could be left uninitalized and lead to unpredictable results. The testing compared these invalid results to 0, which seemed to work but is probably unstable. This was partially fixed by a previous change that consolidated to mapping of cell data with a general routine that permuted data. However, the fix did not extend to point data in the input, and it was not possible to specify a particular invalid value. This change specifically updates the probe filter so that invalid values are set to a user-specified value.
63 lines
2.1 KiB
C++
63 lines
2.1 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_Probe_h
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#define vtk_m_filter_Probe_h
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#include <vtkm/filter/FilterDataSet.h>
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#include <vtkm/worklet/Probe.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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class Probe : public vtkm::filter::FilterDataSet<Probe>
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{
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public:
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VTKM_CONT
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void SetGeometry(const vtkm::cont::DataSet& geometry);
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VTKM_CONT
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const vtkm::cont::DataSet& GetGeometry() const;
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VTKM_CONT void SetInvalidValue(vtkm::Float64 invalidValue) { this->InvalidValue = invalidValue; }
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VTKM_CONT vtkm::Float64 GetInvalidValue() const { return this->InvalidValue; }
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template <typename DerivedPolicy>
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VTKM_CONT vtkm::cont::DataSet DoExecute(const vtkm::cont::DataSet& input,
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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 calling DoExecute.
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template <typename DerivedPolicy>
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VTKM_CONT bool MapFieldOntoOutput(vtkm::cont::DataSet& result,
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const vtkm::cont::Field& field,
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vtkm::filter::PolicyBase<DerivedPolicy>);
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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::cont::DataSet Geometry;
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vtkm::worklet::Probe Worklet;
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vtkm::Float64 InvalidValue = vtkm::Nan64();
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};
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}
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} // vtkm::filter
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#ifndef vtk_m_filter_Probe_hxx
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#include <vtkm/filter/Probe.hxx>
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#endif
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#endif // vtk_m_filter_Probe_h
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