Common code for specific implementations of MeshDomain on ITAPS interfaces. More...

#include <MsqIGeom.hpp>

Inheritance diagram for MBMesquite::MsqCommonIGeom:

Collaboration diagram for MBMesquite::MsqCommonIGeom:

Public Member Functions
	MsqCommonIGeom (iGeom_Instance geom)
virtual	~MsqCommonIGeom ()
int	move_to (iBase_EntityHandle geom_handle, Vector3D &coord) const
int	normal (iBase_EntityHandle geom_handle, Vector3D &coord) const
int	normal (iBase_EntityHandle geom_handle, Vector3D coords[], unsigned count) const
int	normal (const iBase_EntityHandle geom_handles[], Vector3D coords[], unsigned count) const
int	closest_and_normal (iBase_EntityHandle geom_handle, const Vector3D &position, Vector3D &closest, Vector3D &normal) const
int	get_dimension (iBase_EntityHandle const geom_handle, unsigned short dof_out, size_t count) const
Public Attributes
iGeom_Instance	geomIFace
Private Attributes
std::vector< iBase_EntityHandle >	geomHandles
std::vector< double >	coordArray
std::vector< int >	typeArray

Detailed Description

Common code for specific implementations of MeshDomain on ITAPS interfaces.

This class contains the common functionality used by concrete implementations of MeshDomain on the ITAPS geometry interface.

Definition at line 49 of file MsqIGeom.hpp.

Constructor & Destructor Documentation

MBMesquite::MsqCommonIGeom::MsqCommonIGeom ( iGeom_Instance geom )

Parameters:

geom	The ITAPS geometry interface implementation to query

Definition at line 104 of file MsqIGeom.cpp.

: geomIFace( geom ) {}

MBMesquite::MsqCommonIGeom::~MsqCommonIGeom ( ) [virtual]

Definition at line 106 of file MsqIGeom.cpp.

{}

Member Function Documentation

int MBMesquite::MsqCommonIGeom::closest_and_normal	(	iBase_EntityHandle	geom_handle,
		const Vector3D &	position,
		Vector3D &	closest,
		Vector3D &	normal
	)		const

Given a geometric entity and a position, get point on the geometric entity closest to the input position, and the surface normal at that position.

Definition at line 154 of file MsqIGeom.cpp.

References geomIFace, and ierr.

Referenced by MBMesquite::MsqIRel::closest_point(), and MBMesquite::MsqIGeom::closest_point().

{
    int ierr;
    iGeom_getEntNrmlPlXYZ( geomIFace, geom, position[0], position[1], position[2], &closest[0], &closest[1],
                           &closest[2], &p_normal[0], &p_normal[1], &p_normal[2], &ierr );
    return ierr;
}

int MBMesquite::MsqCommonIGeom::get_dimension	(	iBase_EntityHandle const *	geom_handle,
		unsigned short *	dof_out,
		size_t	count
	)		const

Definition at line 165 of file MsqIGeom.cpp.

References MBMesquite::arrptr(), geomIFace, ierr, and typeArray.

Referenced by MBMesquite::MsqIGeom::domain_DoF().

{
    int ierr;
    typeArray.resize( count );

    // define junk variables required for ITAPS "consistancy"
    int junk_1 = count, junk_2 = count;
    int* type_ptr = arrptr( typeArray );

    // get the types
    iGeom_getArrType( geomIFace, geom_handle, count, &type_ptr, &junk_1, &junk_2, &ierr );

    // convert from int to unsigned short
    std::copy( typeArray.begin(), typeArray.end(), dof_out );
    return ierr;
}

int MBMesquite::MsqCommonIGeom::move_to	(	iBase_EntityHandle	geom_handle,
		Vector3D &	coord
	)		const

Evaluate the closest point to the input position on the specified geometric entity and return the result in the passed position argument (move the passed position onto the geometry.)

Definition at line 108 of file MsqIGeom.cpp.

References geomIFace, ierr, MBMesquite::Vector3D::set(), and z.

Referenced by MBMesquite::MsqIRel::snap_to(), and MBMesquite::MsqIGeom::snap_to().

{
    double x, y, z;
    int ierr;
    iGeom_getEntClosestPt( geomIFace, geom, coord[0], coord[1], coord[2], &x, &y, &z, &ierr );
    coord.set( x, y, z );
    return ierr;
}

int MBMesquite::MsqCommonIGeom::normal	(	iBase_EntityHandle	geom_handle,
		Vector3D &	coord
	)		const

Given a geometric entity and a position, evaluate the normal on the geometric entity at the closest point on that entity to the input position, and pass back the result in the input coord vector.

Definition at line 117 of file MsqIGeom.cpp.

References geomIFace, ierr, and MBMesquite::Vector3D::set().

Referenced by MBMesquite::MsqIGeom::element_normal_at(), normal(), MBMesquite::MsqIRel::vertex_normal_at(), and MBMesquite::MsqIGeom::vertex_normal_at().

{
    double i, j, k;
    int ierr;
    iGeom_getEntNrmlXYZ( geomIFace, geom, coord[0], coord[1], coord[2], &i, &j, &k, &ierr );
    coord.set( i, j, k );
    return ierr;
}

int MBMesquite::MsqCommonIGeom::normal	(	iBase_EntityHandle	geom_handle,
		Vector3D	coords[],
		unsigned	count
	)		const

Given a geometric entity and a position, evaluate the normal on the geometric entity at the closest point on that entity to the input position, and pass back the result in the input coord vector.

Definition at line 126 of file MsqIGeom.cpp.

References MBMesquite::arrptr(), geomHandles, and normal().

{
    geomHandles.resize( count, geom );
    return normal( arrptr( geomHandles ), coords, count );
}

int MBMesquite::MsqCommonIGeom::normal	(	const iBase_EntityHandle	geom_handles[],
		Vector3D	coords[],
		unsigned	count
	)		const

Given a geometric entity and a position, evaluate the normal on the geometric entity at the closest point on that entity to the input position, and pass back the result in the input coord vector.