All Frameworks Class Hierarchy This Framework Indexes Previous Next

DataExchangeBaseRepsItf Interface CATIExchangeSurface

Usage: you can freely reimplement this interface.

interface CATIExchangeSurface

Interface to exchange surfaces.
Role: This interface is dedicated to get surfaces information.
Available from CATIA V5R10.

Method Index

o GetNormal(int,double*,double*): Retrieves unit vectors normal to surface at an array of parametric points (U,V).
o GetParamRangeRect(double[2],double[2],CATBaseUnknown_var): Retrieves relimitations of parameters U and V of the surface.
o GetPointAtParam(int,double*,double*): Retrieves the model space points in the local coordinate system corresponding to an array of parametric points (u,v) on the surface.
o GetSurfaceType(IID&): Retrieves the CATClassId of the specific geometry interface.
o GetTangents(int,double*,double*,double*): Retrieves the two unit vector tangents in the U and V direction at an array of parametric points (U,V) on the surface.

Methods

o GetNormal

public virtual GetNormal(		`iNbParams`,
		`iParams`,
		`oNormals`)

Retrieves unit vectors normal to surface at an array of parametric points (U,V). The direction is always away from the volume side of the surface.

Parameters:

iNbParams: Set the number of points to be evaluated.
iParams: Set the array of parametric points at which to evaluate the surface normals.
oNormals: Get the array of unit vectors.

o GetParamRangeRect

public virtual GetParamRangeRect(	`oMinParam`,
	`oMaxParam`,
	`ioRelimitedOnFace`	`= NULL_var`)

Retrieves relimitations of parameters U and V of the surface.

Parameters:

oMinParam: Get the minimum u,v point of the range rectangle.
oMaxParam: Get the maximum u,v point of the range rectangle.
ioRelimitedOnFace: Never use this argument. Let it at its NULL_var default value.

o GetPointAtParam

public virtual GetPointAtParam(		`iNbParam`,
		`iParams`,
		`oPoints`)

Retrieves the model space points in the local coordinate system corresponding to an array of parametric points (u,v) on the surface.

Parameters:

iNbParam: Set the number of points to be evaluated.
iParams: Set the array of parametric points at which to be evaluated.
oPoints: Get the array of computed model space points.

o GetSurfaceType

public virtual GetSurfaceType( ouuid)

Retrieves the CATClassId of the specific geometry interface.

Parameters:

ouuid: Get the CATClassId.

o GetTangents

public virtual GetTangents(		`iNbParams`,
		`iParams`,
		`oUTangents`,
		`oVTangents`)

Retrieves the two unit vector tangents in the U and V direction at an array of parametric points (U,V) on the surface. The tangent in the U direction is always pointed in the direction of increasing U value.

Parameters:

iNbParams: Set the number of points to be evaluated.
iParams: Set the array of parametric points at which to evaluate the surface tangents.
oUTangents: Get the array of unit tangent vectors in the direction of increasing U.
oVTangents: Get the array of unit tangent vectors in the direction of increasing V.

This object is included in the file: CATIExchangeSurface.h
If needed, your Imakefile.mk should include the module: DataExchangeBaseRepsItf