AreaMassProperties Class |
Contains static initialization methods and allows access to the computed
metrics of area, area centroid and area moments in closed
planar curves, in meshes, in surfaces, in hatches and in boundary representations.
Inheritance HierarchyNamespace: Rhino.Geometry
Assembly: RhinoCommon (in RhinoCommon.dll)
SyntaxThe AreaMassProperties type exposes the following members.
Properties| Name | Description | |
|---|---|---|
 | Area |
Gets the area solution.
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| AreaError |
Gets the uncertainty in the area calculation.
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| Centroid |
Gets the area centroid in the world coordinate system.
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| CentroidCoordinatesMomentsOfInertia |
Moments of inertia with respect to centroid coordinate system.
X = integral of ((y-y0)^2 + (z-z0)^2) dm
Y = integral of ((z-z0)^2 + (x-x0)^2) dm
Z = integral of ((z-z0)^2 + (y-y0)^2) dm
where (x0,y0,z0) = centroid.
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| CentroidCoordinatesMomentsOfInertiaError |
Uncertainty in centroid coordinates moments of inertia calculation.
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| CentroidCoordinatesProductMoments |
Product moments with respect to centroid coordinate system.
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| CentroidCoordinatesProductMomentsError |
Uncertainty in product moments with respect to centroid coordinate system.
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| CentroidCoordinatesRadiiOfGyration |
Radii of gyration with respect to centroid coordinate system.
X = sqrt(integral of ((y-y0)^2 + (z-z0)^2) dm/M)
Y = sqrt(integral of ((z-z0)^2 + (x-x0)^2) dm/M)
Z = sqrt(integral of ((z-z0)^2 + (y-y0)^2) dm/M)
where (x0,y0,z0) = centroid.
|
| CentroidCoordinatesSecondMoments |
Second moments with respect to centroid coordinate system.
X = integral of (x-x0)^2 dm
Y = integral of (y-y0)^2 dm
Z = integral of (z-z0)^2 dm
where (x0,y0,z0) = centroid.
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| CentroidCoordinatesSecondMomentsError |
Uncertainty in centroid coordinates second moments calculation.
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| CentroidError |
Gets the uncertainty in the centroid calculation.
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| WorldCoordinatesFirstMoments |
Returns the world coordinate first moments if they were able to be calculated.
X is integral of "x dm" over the area
Y is integral of "y dm" over the area
Z is integral of "z dm" over the area.
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| WorldCoordinatesFirstMomentsError |
Uncertainty in world coordinates first moments calculation.
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| WorldCoordinatesMomentsOfInertia |
The moments of inertia about the world coordinate axes.
X = integral of (y^2 + z^2) dm
Y = integral of (z^2 + x^2) dm
Z = integral of (z^2 + y^2) dm.
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| WorldCoordinatesMomentsOfInertiaError |
Uncertainty in world coordinates moments of inertia calculation.
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| WorldCoordinatesProductMoments |
Returns the world coordinate product moments if they were able to be calculated.
X is integral of "xy dm" over the area
Y is integral of "yz dm" over the area
Z is integral of "zx dm" over the area.
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| WorldCoordinatesProductMomentsError |
Uncertainty in world coordinates second moments calculation.
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| WorldCoordinatesRadiiOfGyration |
Radii of gyration with respect to world coordinate system.
X = sqrt(integral of (y^2 + z^2) dm/M)
Y = sqrt(integral of (z^2 + x^2) dm/M)
Z = sqrt(integral of (z^2 + y^2) dm/M)
|
| WorldCoordinatesSecondMoments |
Returns the world coordinate second moments if they were able to be calculated.
X is integral of "xx dm" over the area
Y is integral of "yy dm" over the area
Z is integral of "zz dm" over the area.
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| WorldCoordinatesSecondMomentsError |
Uncertainty in world coordinates second moments calculation.
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Methods| Name | Description | |
|---|---|---|
 | CentroidCoordinatesPrincipalMoments |
Calculates the eigenvalues and eigenvectors of the moments matrix with respect to centroid coordinates.
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| CentroidCoordinatesPrincipalMomentsOfInertia |
Calculates the principal moments of inertia and principal axes with respect to centroid coordinates.
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 | Compute(Brep) |
Computes an AreaMassProperties for a brep.
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| Compute(Curve) |
Computes an AreaMassProperties for a closed planar curve.
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| Compute(Hatch) |
Computes an AreaMassProperties for a hatch.
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| Compute(IEnumerableGeometryBase) |
Computes the Area properties for a collection of geometric objects.
At present only Breps, Surfaces, Meshes and Planar Closed Curves are supported.
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| Compute(Mesh) |
Computes an AreaMassProperties for a mesh.
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| Compute(Surface) |
Computes an AreaMassProperties for a surface.
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| Compute(Curve, Double) |
Computes an AreaMassProperties for a closed planar curve.
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| Compute(Brep, Boolean, Boolean, Boolean, Boolean) |
Compute the AreaMassProperties for a single Brep.
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| Compute(IEnumerableGeometryBase, Boolean, Boolean, Boolean, Boolean) |
Computes the AreaMassProperties for a collection of geometric objects.
At present only Breps, Surfaces, Meshes and Planar Closed Curves are supported.
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| Compute(Mesh, Boolean, Boolean, Boolean, Boolean) |
Compute the AreaMassProperties for a single Mesh.
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| Compute(Surface, Boolean, Boolean, Boolean, Boolean) |
Compute the AreaMassProperties for a single Surface.
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| Compute(Brep, Boolean, Boolean, Boolean, Boolean, Double, Double) |
Compute the AreaMassProperties for a single Brep.
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| Dispose |
Actively reclaims unmanaged resources that this instance uses.
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 | Dispose(Boolean) |
For derived class implementers.
This method is called with argument true when class user calls Dispose(), while with argument false when the Garbage Collector invokes the finalizer, or Finalize() method. You must reclaim all used unmanaged resources in both cases, and can use this chance to call Dispose on disposable fields if the argument is true. Also, you must call the base virtual method within your overriding method. |
| Equals | Determines whether the specified object is equal to the current object. (Inherited from Object.) |
| Finalize |
Passively reclaims unmanaged resources when the class user did not explicitly call Dispose().
(Overrides ObjectFinalize.) |
| GetHashCode | Serves as the default hash function. (Inherited from Object.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
| ToString | Returns a string that represents the current object. (Inherited from Object.) |
| WorldCoordinatesPrincipalMoments |
Calculates the eigenvalues and eigenvectors of moments matrix in world coordinates.
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| WorldCoordinatesPrincipalMomentsOfInertia |
Calculates the principal moments of inertia and principal axes with respect to world coordinates.
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See Also