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126 | /* *****************************************************************
MESQUITE -- The Mesh Quality Improvement Toolkit
Copyright 2006 Sandia National Laboratories. Developed at the
University of Wisconsin--Madison under SNL contract number
624796. The U.S. Government and the University of Wisconsin
retain certain rights to this software.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
(lgpl.txt) along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
(2006) [email protected]
***************************************************************** */
/** \file AWQualityMetric.hpp
* \brief
* \author Jason Kraftcheck
*/
#ifndef MSQ_TABS_QUALITY_METRIC_HPP
#define MSQ_TABS_QUALITY_METRIC_HPP
#include "Mesquite.hpp"
#include "TMPQualityMetric.hpp"
#include "MsqMatrix.hpp"
namespace MBMesquite
{
class AWMetric;
/**\brief Compare targets to mapping function Jacobian matrices
*
* A quality metric defined using 2D and 3D target metrics,
* where the active (A) matrix compared to the target by
* the underlying metrics is the Jacobian matrix of the
* mapping function at a given sample point. For surface
* elements, A is rotated to align the normal with W, such that
* both matrices can be reduced from 3x2 to 2x2.
*/
class AWQualityMetric : public TMPQualityMetric
{
public:
/** Used in tests and other templatized code */
typedef AWMetric MetricType;
/**
*\param tc The target calculator
*\param wc The weight calculator
*\param target_metric The target metric to use
*/
AWQualityMetric( TargetCalculator* tc, WeightCalculator* wc, AWMetric* target_metric )
: TMPQualityMetric( tc, wc ), targetMetric( target_metric )
{
}
/**
*\param tc The target calculator
*\param target_metric The target metric to use
*/
AWQualityMetric( TargetCalculator* tc, AWMetric* target_metric )
: TMPQualityMetric( tc, 0 ), targetMetric( target_metric )
{
}
MESQUITE_EXPORT virtual std::string get_name() const;
MESQUITE_EXPORT virtual bool evaluate_with_gradient( PatchData& pd,
size_t handle,
double& value,
std::vector< size_t >& indices,
std::vector< Vector3D >& gradient,
MsqError& err );
MESQUITE_EXPORT virtual bool evaluate_with_Hessian_diagonal( PatchData& pd,
size_t handle,
double& value,
std::vector< size_t >& indices,
std::vector< Vector3D >& gradient,
std::vector< SymMatrix3D >& Hessian_diagonal,
MsqError& err );
MESQUITE_EXPORT virtual bool evaluate_with_Hessian( PatchData& pd,
size_t handle,
double& value,
std::vector< size_t >& indices,
std::vector< Vector3D >& gradient,
std::vector< Matrix3D >& Hessian,
MsqError& err );
AWMetric* get_target_metric() const
{
return targetMetric;
}
void set_target_metric( AWMetric* m )
{
targetMetric = m;
}
protected:
MESQUITE_EXPORT virtual bool evaluate_internal( PatchData& pd,<--- Function in derived class
size_t handle,
double& value,
size_t* indices,
size_t& num_indices,
MsqError& err );
private:
AWMetric* targetMetric;
};
} // namespace MBMesquite
#endif
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