Functions
	MEDMEM_REMAPPER.MEDMEM_REMAPPER ()
virtual	MEDMEM_REMAPPER.~MEDMEM_REMAPPER ()
int	MEDMEM_REMAPPER.prepare (const MEDMEM::MESH &source_mesh, const MEDMEM::MESH &target_mesh, const char *method)
void	MEDMEM_REMAPPER.transfer (const MEDMEM::FIELD< double > &source_field, MEDMEM::FIELD< double > &target_field)
void	MEDMEM_REMAPPER.reverseTransfer (MEDMEM::FIELD< double > &source_field, const MEDMEM::FIELD< double > &target_field)
MEDMEM::FIELD< double > *	MEDMEM_REMAPPER.transferField (const MEDMEM::FIELD< double > &source_field)
MEDMEM::FIELD< double > *	MEDMEM_REMAPPER.reverseTransferField (const MEDMEM::FIELD< double > &target_field)
int	MEDMEM_REMAPPER.setOptionDouble (const std::string &key, double value)
int	MEDMEM_REMAPPER.setOptionInt (const std::string &key, int value)
int	MEDMEM_REMAPPER.setOptionString (const std::string &key, std::string &value)
MEDMEM::FIELD< double > *	MEDMEM_REMAPPER.getSupportVolumes (const MEDMEM::SUPPORT &support)
	returns the volumes of the cells underlying the support support
void	MEDMEM_REMAPPER.printMatrixInfo ()

Detailed Description

Overview

MEDMEM_REMAPPER enables conservative remapping of fields between two sequential codes. The computation is possible for 3D meshes and 2D meshes or 3D surfaces. It enables fast sequential localization, based on a bounding box tree structure. It is based on cell-cell intersection or on a point in element search, depending on the field type. Fields can either lie on cells (P0) or nodes (P1).

A typical use of MEDMEM_REMAPPER encompasses two distinct phases :

A setup phase during which the intersection volumes are computed and the interpolation matrix is stored. This corresponds to calling the MEDMEM_REMAPPER.prepare() method.
A use phase during which the remappings are actually performed. This corresponds to the calls to transfer() and reverseTransfer() which actually performs the interpolation.

The following code excerpt illutrates a typical use of the MEDMEM_REMAPPER class.

    ...
    std::string sourceFileName("source.med");
    MEDMEM::MESH med_source_mesh(MED_DRIVER,sourceFileName,"Source_Mesh");
    std::string targetFileName("target.med");
    MEDMEM::MESH med_target_mesh(MED_DRIVER,targetFileName,"Target_Mesh");
    FIELD<double> sourceField(MED_DRIVER,sourceFileName,"Density",0,0);
    FIELD<double> targetField;
    MEDMEM_Remapper mapper;
    mapper.setOptionsDouble("Precision",1e-7);
    mapper.setOptionsString("Intersection_type",Geometric2D);
    mapper.prepare(med_source_mesh,med_target_mesh,"P0P1");
    mapper.transfer(sourceField,targetField);
    //use targetField
    ...

Function Documentation

MEDMEM_REMAPPER::MEDMEM_REMAPPER ( ) [inherited]

MEDMEM_REMAPPER::~MEDMEM_REMAPPER ( ) [virtual, inherited]

References MEDMEM_REMAPPER._matrix, MEDMEM_REMAPPER._sourceMesh, MEDMEM_REMAPPER._targetMesh, and MEDMEM.RCBASE.removeReference().

int MEDMEM_REMAPPER::prepare	(	const MEDMEM::MESH &	mesh_source,
		const MEDMEM::MESH &	mesh_target,
		const char *	method
	)		`[inherited]`

This method computes the intersection matrix between source mesh_source and mesh_target. It is a preliminary step that is necessary before calling the transfer() method. The method analyses the dimensions of the meshes and checks for compatibility.

References MEDMEM_REMAPPER._deno_multiply, MEDMEM_REMAPPER._deno_reverse_multiply, MEDMEM_REMAPPER._matrix, MEDMEM_REMAPPER._nb_cols, MEDMEM_REMAPPER._nb_rows, MEDMEM_REMAPPER._sourceFieldType, MEDMEM_REMAPPER._sourceMesh, MEDMEM_REMAPPER._sourceSupport, MEDMEM_REMAPPER._targetFieldType, MEDMEM_REMAPPER._targetMesh, MEDMEM_REMAPPER._targetSupport, INTERP_KERNEL.Matrix< T, type >.colSum(), MEDMEM.MESH.getMeshDimension(), MEDMEM.GMESH.getSpaceDimension(), INTERP_KERNEL.Interpolation3D.interpolateMeshes(), INTERP_KERNEL.InterpolationPlanar< RealPlanar >.interpolateMeshes(), MED_EN.MED_CELL, MED_EN.MED_NODE, testRenumbering.method, MEDMEM.RCBASE.removeReference(), and INTERP_KERNEL.Matrix< T, type >.rowSum().

void MEDMEM_REMAPPER::transfer	(	const MEDMEM::FIELD< double > &	source_field,
		MEDMEM::FIELD< double > &	target_field
	)		`[inherited]`

References MEDMEM_REMAPPER._deno_multiply, MEDMEM_REMAPPER._matrix, MEDMEM_REMAPPER._nb_cols, MEDMEM_REMAPPER._nb_rows, MEDMEM.FIELD_.getNumberOfComponents(), MEDMEM.FIELD_.getNumberOfValues(), INTERP_KERNEL.InterpolationOptions.getPrecision(), MEDMEM.FIELD< T, INTERLACING_TAG >.getValue(), and INTERP_KERNEL.Matrix< T, type >.multiply().

void MEDMEM_REMAPPER::reverseTransfer	(	MEDMEM::FIELD< double > &	source_field,
		const MEDMEM::FIELD< double > &	target_field
	)		`[inherited]`

References MEDMEM_REMAPPER._deno_reverse_multiply, MEDMEM_REMAPPER._matrix, MEDMEM_REMAPPER._nb_cols, MEDMEM_REMAPPER._nb_rows, MEDMEM.FIELD_.getNumberOfComponents(), MEDMEM.FIELD_.getNumberOfValues(), INTERP_KERNEL.InterpolationOptions.getPrecision(), MEDMEM.FIELD< T, INTERLACING_TAG >.getValue(), and INTERP_KERNEL.Matrix< T, type >.transposeMultiply().

MEDMEM::FIELD< double > * MEDMEM_REMAPPER::transferField ( const MEDMEM::FIELD< double > & source_field ) [inherited]

References MEDMEM_REMAPPER._deno_multiply, MEDMEM_REMAPPER._matrix, MEDMEM_REMAPPER._nb_cols, MEDMEM_REMAPPER._nb_rows, MEDMEM_REMAPPER._targetSupport, MEDMEM.FIELD_.getNumberOfComponents(), MEDMEM.FIELD_.getNumberOfValues(), INTERP_KERNEL.InterpolationOptions.getPrecision(), MEDMEM.FIELD< T, INTERLACING_TAG >.getValue(), and INTERP_KERNEL.Matrix< T, type >.multiply().

MEDMEM::FIELD< double > * MEDMEM_REMAPPER::reverseTransferField ( const MEDMEM::FIELD< double > & target_field ) [inherited]

References MEDMEM_REMAPPER._deno_reverse_multiply, MEDMEM_REMAPPER._matrix, MEDMEM_REMAPPER._nb_cols, MEDMEM_REMAPPER._nb_rows, MEDMEM_REMAPPER._sourceSupport, MEDMEM.FIELD_.getNumberOfComponents(), MEDMEM.FIELD_.getNumberOfValues(), INTERP_KERNEL.InterpolationOptions.getPrecision(), MEDMEM.FIELD< T, INTERLACING_TAG >.getValue(), and INTERP_KERNEL.Matrix< T, type >.transposeMultiply().

int MEDMEM_REMAPPER::setOptionDouble	(	const std::string &	key,
		double	value
	)		`[inherited]`

Reimplemented from INTERP_KERNEL.InterpolationOptions.

int MEDMEM_REMAPPER::setOptionInt	(	const std::string &	key,
		int	value
	)		`[inherited]`

Reimplemented from INTERP_KERNEL.InterpolationOptions.

int MEDMEM_REMAPPER::setOptionString	(	const std::string &	key,
		std::string &	value
	)		`[inherited]`

MEDMEM::FIELD< double > * MEDMEM_REMAPPER::getSupportVolumes ( const MEDMEM::SUPPORT & support ) [private, inherited]

returns the volumes of the cells underlying the support support

For 2D geometries, the returned field contains the areas. For 3D geometries, the returned field contains the volumes.

Parameters:

support : support whose cell volumes are required

Returns:: field containing the volumes

References MEDMEM.GMESH.getArea(), MEDMEM.SUPPORT.getMesh(), MEDMEM.GMESH.getMeshDimension(), MEDMEM.GMESH.getVolume(), and MED_test2.mesh.

void MEDMEM_REMAPPER::printMatrixInfo ( ) [inherited]

References MEDMEM_REMAPPER._matrix.

MEDMEM::MEDMEM_REMAPPER

Functions

Detailed Description

Overview

Function Documentation