mirror of
https://gitlab.kitware.com/vtk/vtk-m
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991e7eac2a
Implemented a one-pass, Divide and Conqur algorithm to calculate various statistical moments. Only one call to Reduce is needed.
120 lines
4.1 KiB
C++
120 lines
4.1 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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// 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_MeshQuality_h
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#define vtk_m_filter_MeshQuality_h
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#include <vtkm/CellShape.h>
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#include <vtkm/filter/FilterField.h>
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#include <vtkm/worklet/MeshQuality.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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//Names of the available cell metrics, for use in
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//the output dataset fields
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static const std::string MetricNames[] = { "area",
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"aspectGamma",
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"aspectRatio",
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"condition",
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"diagonalRatio",
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"dimension",
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"jacobian",
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"maxAngle",
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"maxDiagonal",
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"minAngle",
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"minDiagonal",
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"oddy",
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"relativeSizeSquared",
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"scaledJacobian",
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"shape",
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"shapeAndSize",
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"shear",
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"skew",
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"stretch",
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"taper",
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"volume",
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"warpage" };
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//Different cell metrics available to use
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//This must follow the same order as the MetricNames above
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enum class CellMetric
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{
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AREA,
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ASPECT_GAMMA,
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ASPECT_RATIO,
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CONDITION,
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DIAGONAL_RATIO,
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DIMENSION,
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JACOBIAN,
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MAX_ANGLE,
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MAX_DIAGONAL,
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MIN_ANGLE,
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MIN_DIAGONAL,
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ODDY,
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RELATIVE_SIZE_SQUARED,
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SCALED_JACOBIAN,
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SHAPE,
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SHAPE_AND_SIZE,
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SHEAR,
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SKEW,
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STRETCH,
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TAPER,
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VOLUME,
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WARPAGE,
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NUMBER_OF_CELL_METRICS,
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EMPTY
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};
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/** \brief Computes the quality of an unstructured cell-based mesh. The quality is defined in terms of the
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* summary statistics (frequency, mean, variance, min, max) of metrics computed over the mesh
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* cells. One of several different metrics can be specified for a given cell type, and the mesh
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* can consist of one or more different cell types. The resulting mesh quality is stored as one
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* or more new fields in the output dataset of this filter, with a separate field for each cell type.
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* Each field contains the metric summary statistics for the cell type.
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* Summary statists with all 0 values imply that the specified metric does not support the cell type.
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*/
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class MeshQuality : public vtkm::filter::FilterField<MeshQuality>
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{
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public:
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using SupportedTypes = vtkm::TypeListFieldVec3;
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VTKM_CONT MeshQuality(CellMetric);
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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>& points,
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const vtkm::filter::FieldMetadata& fieldMeta,
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const vtkm::filter::PolicyBase<DerivedPolicy>& policy);
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private:
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CellMetric MyMetric;
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};
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} // namespace filter
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} // namespace vtkm
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#include <vtkm/filter/MeshQuality.hxx>
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#endif // vtk_m_filter_MeshQuality_h
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