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| | BRepGProp_VinertGK () |
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| | BRepGProp_VinertGK (BRepGProp_Face &theSurface, const gp_Pnt &theLocation, const Standard_Real theTolerance=0.001, const Standard_Boolean theCGFlag=Standard_False, const Standard_Boolean theIFlag=Standard_False) |
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| | BRepGProp_VinertGK (BRepGProp_Face &theSurface, const gp_Pnt &thePoint, const gp_Pnt &theLocation, const Standard_Real theTolerance=0.001, const Standard_Boolean theCGFlag=Standard_False, const Standard_Boolean theIFlag=Standard_False) |
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| | BRepGProp_VinertGK (BRepGProp_Face &theSurface, BRepGProp_Domain &theDomain, const gp_Pnt &theLocation, const Standard_Real theTolerance=0.001, const Standard_Boolean theCGFlag=Standard_False, const Standard_Boolean theIFlag=Standard_False) |
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| | BRepGProp_VinertGK (BRepGProp_Face &theSurface, BRepGProp_Domain &theDomain, const gp_Pnt &thePoint, const gp_Pnt &theLocation, const Standard_Real theTolerance=0.001, const Standard_Boolean theCGFlag=Standard_False, const Standard_Boolean theIFlag=Standard_False) |
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| | BRepGProp_VinertGK (BRepGProp_Face &theSurface, const gp_Pln &thePlane, const gp_Pnt &theLocation, const Standard_Real theTolerance=0.001, const Standard_Boolean theCGFlag=Standard_False, const Standard_Boolean theIFlag=Standard_False) |
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| | BRepGProp_VinertGK (BRepGProp_Face &theSurface, BRepGProp_Domain &theDomain, const gp_Pln &thePlane, const gp_Pnt &theLocation, const Standard_Real theTolerance=0.001, const Standard_Boolean theCGFlag=Standard_False, const Standard_Boolean theIFlag=Standard_False) |
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| void | SetLocation (const gp_Pnt &theLocation) |
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| Standard_Real | Perform (BRepGProp_Face &theSurface, const Standard_Real theTolerance=0.001, const Standard_Boolean theCGFlag=Standard_False, const Standard_Boolean theIFlag=Standard_False) |
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| Standard_Real | Perform (BRepGProp_Face &theSurface, const gp_Pnt &thePoint, const Standard_Real theTolerance=0.001, const Standard_Boolean theCGFlag=Standard_False, const Standard_Boolean theIFlag=Standard_False) |
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| Standard_Real | Perform (BRepGProp_Face &theSurface, BRepGProp_Domain &theDomain, const Standard_Real theTolerance=0.001, const Standard_Boolean theCGFlag=Standard_False, const Standard_Boolean theIFlag=Standard_False) |
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| Standard_Real | Perform (BRepGProp_Face &theSurface, BRepGProp_Domain &theDomain, const gp_Pnt &thePoint, const Standard_Real theTolerance=0.001, const Standard_Boolean theCGFlag=Standard_False, const Standard_Boolean theIFlag=Standard_False) |
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| Standard_Real | Perform (BRepGProp_Face &theSurface, const gp_Pln &thePlane, const Standard_Real theTolerance=0.001, const Standard_Boolean theCGFlag=Standard_False, const Standard_Boolean theIFlag=Standard_False) |
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| Standard_Real | Perform (BRepGProp_Face &theSurface, BRepGProp_Domain &theDomain, const gp_Pln &thePlane, const Standard_Real theTolerance=0.001, const Standard_Boolean theCGFlag=Standard_False, const Standard_Boolean theIFlag=Standard_False) |
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| Standard_Real | GetErrorReached () const |
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| Standard_Real | GetAbsolutError () const |
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| | GProp_GProps () |
| | The origin (0, 0, 0) of the absolute cartesian coordinate system
is used to compute the global properties.
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| | GProp_GProps (const gp_Pnt &SystemLocation) |
| | The point SystemLocation is used to compute the gobal properties <br>
of the system. For more accuracy it is better to define this
point closed to the location of the system. For example it could
be a point around the centre of mass of the system.
This point is referred to as the reference point for
this framework. For greater accuracy it is better for
the reference point to be close to the location of the
system. It can, for example, be a point near the
center of mass of the system.
At initialization, the framework is empty; i.e. it
retains no dimensional information such as mass, or
inertia. However, it is now able to bring together
global properties of various other systems, whose
global properties have already been computed
using another framework. To do this, use the
function Add to define the components of the
system. Use it once per component of the system,
and then use the interrogation functions available to
access the computed values.
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| void | Add (const GProp_GProps &Item, const Standard_Real Density=1.0) |
| | Either
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| Standard_Real | Mass () const |
| | Returns the mass of the current system. <br>
If no density is attached to the components of the
current system the returned value corresponds to :
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| gp_Pnt | CentreOfMass () const |
| | Returns the center of mass of the current system. If <br>
the gravitational field is uniform, it is the center of gravity.
The coordinates returned for the center of mass are
expressed in the absolute Cartesian coordinate system.
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| gp_Mat | MatrixOfInertia () const |
| | returns the matrix of inertia. It is a symmetrical matrix. <br>
The coefficients of the matrix are the quadratic moments of
inertia.
| Ixx Ixy Ixz |
matrix = | Ixy Iyy Iyz |
| Ixz Iyz Izz |
The moments of inertia are denoted by Ixx, Iyy, Izz.
The products of inertia are denoted by Ixy, Ixz, Iyz.
The matrix of inertia is returned in the central coordinate
system (G, Gx, Gy, Gz) where G is the centre of mass of the
system and Gx, Gy, Gz the directions parallel to the X(1,0,0)
Y(0,1,0) Z(0,0,1) directions of the absolute cartesian
coordinate system. It is possible to compute the matrix of
inertia at another location point using the Huyghens theorem
(you can use the method of package GProp : HOperator).
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| void | StaticMoments (Standard_Real &Ix, Standard_Real &Iy, Standard_Real &Iz) const |
| | Returns Ix, Iy, Iz, the static moments of inertia of the <br>
current system; i.e. the moments of inertia about the
three axes of the Cartesian coordinate system.
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| Standard_Real | MomentOfInertia (const gp_Ax1 &A) const |
| | computes the moment of inertia of the material system about the
axis A.
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| GProp_PrincipalProps | PrincipalProperties () const |
| | Computes the principal properties of inertia of the current system. <br>
There is always a set of axes for which the products
of inertia of a geometric system are equal to 0; i.e. the
matrix of inertia of the system is diagonal. These axes
are the principal axes of inertia. Their origin is
coincident with the center of mass of the system. The
associated moments are called the principal moments of inertia.
This function computes the eigen values and the
eigen vectors of the matrix of inertia of the system.
Results are stored by using a presentation framework
of principal properties of inertia
(GProp_PrincipalProps object) which may be
queried to access the value sought.
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| Standard_Real | RadiusOfGyration (const gp_Ax1 &A) const |
| | Returns the radius of gyration of the current system about the axis A.
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