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Hank Childs 2019-09-17 20:53:42 -07:00
parent f4edb6a8ed
commit e040ea05e1
3 changed files with 122 additions and 8 deletions
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6
vtkm/filter/MeshQuality.h
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@ -79,7 +79,7 @@ public:
using SupportedTypes = vtkm::TypeListTagFieldVec3;
VTKM_CONT MeshQuality(CellMetric);
void SetOutputName(const std::string& s) { outputName = s; };
void SetOutputName(const std::string& s) { this->OutputName = s; };
template <typename T, typename StorageType, typename DerivedPolicy>
VTKM_CONT vtkm::cont::DataSet DoExecute(
@ -89,8 +89,8 @@ public:
const vtkm::filter::PolicyBase<DerivedPolicy>& policy);
private:
CellMetric myMetric;
std::string outputName;
CellMetric MyMetric;
std::string OutputName;
};
} // namespace filter

113
vtkm/filter/MeshQuality.h.hrc Normal file
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@ -0,0 +1,113 @@
//============================================================================
// Copyright (c) Kitware, Inc.
// All rights reserved.
// See LICENSE.txt for details.
// This software is distributed WITHOUT ANY WARRANTY; without even
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE. See the above copyright notice for more information.
//
// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 Los Alamos National Security.
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
// Laboratory (LANL), the U.S. Government retains certain rights in
// this software.
//============================================================================
#ifndef vtk_m_filter_MeshQuality_h
#define vtk_m_filter_MeshQuality_h
#include <vtkm/CellShape.h>
#include <vtkm/filter/FilterCell.h>
#include <vtkm/worklet/FieldStatistics.h>
#include <vtkm/worklet/MeshQuality.h>
namespace vtkm
{
namespace filter
{
//Names of the available cell metrics, for use in
//the output dataset fields
static const std::string MetricNames[] = { "area",
"aspectGamma",
"aspectRatio",
"condition",
"diagonalRatio",
"jacobian",
"minAngle",
"maxAngle",
"oddy",
"relativeSize",
"scaledJacobian",
"shape",
"shear",
"skew",
"stretch",
"taper",
"volume",
"warpage"
};
//Different cell metrics available to use
enum class CellMetric
{
AREA,
ASPECT_GAMMA,
ASPECT_RATIO,
CONDITION,
DIAGONAL_RATIO,
JACOBIAN,
MIN_ANGLE,
MAX_ANGLE,
ODDY,
RELATIVE_SIZE,
SCALED_JACOBIAN,
SHAPE,
SHEAR,
SKEW,
STRETCH,
TAPER,
VOLUME,
WARPAGE,
NUMBER_OF_CELL_METRICS,
EMPTY
};
/** \brief Computes the quality of an unstructured cell-based mesh. The quality is defined in terms of the
* summary statistics (frequency, mean, variance, min, max) of metrics computed over the mesh
* cells. One of several different metrics can be specified for a given cell type, and the mesh
* can consist of one or more different cell types. The resulting mesh quality is stored as one
* or more new fields in the output dataset of this filter, with a separate field for each cell type.
* Each field contains the metric summary statistics for the cell type.
* Summary statists with all 0 values imply that the specified metric does not support the cell type.
*/
class MeshQuality : public vtkm::filter::FilterCell<MeshQuality>
{
public:
using SupportedTypes = vtkm::TypeListTagFieldVec3;
VTKM_CONT MeshQuality(CellMetric);
template <typename T, typename StorageType, typename DerivedPolicy>
VTKM_CONT vtkm::cont::DataSet DoExecute(
const vtkm::cont::DataSet& input,
const vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, StorageType>& points,
const vtkm::filter::FieldMetadata& fieldMeta,
const vtkm::filter::PolicyBase<DerivedPolicy>& policy);
private:
//A user-assigned cell metric per shape/cell type
CellMetric myMetric;
};
} // namespace filter
} // namespace vtkm
#include <vtkm/filter/MeshQuality.hxx>
#endif // vtk_m_filter_MeshQuality_h

11
vtkm/filter/MeshQuality.hxx
View File

@ -60,12 +60,12 @@ inline VTKM_CONT MeshQuality::MeshQuality(CellMetric metric)
: vtkm::filter::FilterCell<MeshQuality>()
{
this->SetUseCoordinateSystemAsField(true);
myMetric = metric;
if (myMetric < CellMetric::AREA || myMetric >= CellMetric::NUMBER_OF_CELL_METRICS)
this->MyMetric = metric;
if (this->MyMetric < CellMetric::AREA || this->MyMetric >= CellMetric::NUMBER_OF_CELL_METRICS)
{
VTKM_ASSERT(true);
}
outputName = MetricNames[(int)myMetric];
this->OutputName = MetricNames[(int)this->MyMetric];
}
template <typename T, typename StorageType, typename DerivedPolicy>
@ -77,13 +77,14 @@ inline VTKM_CONT vtkm::cont::DataSet MeshQuality::DoExecute(
{
VTKM_ASSERT(fieldMeta.IsPointField());
//TODO: Should other cellset types be supported?
vtkm::cont::CellSetExplicit<> cellSet;
input.GetCellSet().CopyTo(cellSet);
//Invoke the MeshQuality worklet
vtkm::cont::ArrayHandle<T> outArray;
vtkm::worklet::MeshQuality<CellMetric> qualityWorklet;
qualityWorklet.SetMetric(myMetric);
qualityWorklet.SetMetric(this->MyMetric);
this->Invoke(qualityWorklet, vtkm::filter::ApplyPolicyCellSet(cellSet, policy), points, outArray);
vtkm::cont::DataSet result;
@ -91,7 +92,7 @@ inline VTKM_CONT vtkm::cont::DataSet MeshQuality::DoExecute(
//Append the metric values of all cells into the output
//dataset as a new field
result.AddField(vtkm::cont::make_FieldCell(outputName, outArray));
result.AddField(vtkm::cont::make_FieldCell(this->OutputName, outArray));
return result;
}