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+ add methods to get GProps from curves and surfaces

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wmayer
2015-03-22 18:39:49 +01:00
parent f6e36c49fd
commit 897591f765
8 changed files with 514 additions and 21 deletions
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58
src/Mod/Part/App/TopoShapeShellPy.xml
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@@ -34,5 +34,63 @@
<UserDocu>Make a half-space solid by this shell and a reference point.</UserDocu>
</Documentation>
</Methode>
<Attribute Name="Mass" ReadOnly="true">
<Documentation>
<UserDocu>Returns the mass of the current system.</UserDocu>
</Documentation>
<Parameter Name="Mass" Type="Object"/>
</Attribute>
<Attribute Name="CenterOfMass" ReadOnly="true">
<Documentation>
<UserDocu>Returns the center of mass of the current system.
If 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.</UserDocu>
</Documentation>
<Parameter Name="CenterOfMass" Type="Object"/>
</Attribute>
<Attribute Name="MatrixOfInertia" ReadOnly="true">
<Documentation>
<UserDocu>Returns the matrix of inertia. It is a symmetrical matrix.
The coefficients of the matrix are the quadratic moments of
inertia.
| Ixx Ixy Ixz 0 |
| Ixy Iyy Iyz 0 |
| Ixz Iyz Izz 0 |
| 0 0 0 1 |
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.</UserDocu>
</Documentation>
<Parameter Name="MatrixOfInertia" Type="Object"/>
</Attribute>
<Attribute Name="StaticMoments" ReadOnly="true">
<Documentation>
<UserDocu>Returns Ix, Iy, Iz, the static moments of inertia of the
current system; i.e. the moments of inertia about the
three axes of the Cartesian coordinate system.</UserDocu>
</Documentation>
<Parameter Name="StaticMoments" Type="Object"/>
</Attribute>
<Attribute Name="PrincipalProperties" ReadOnly="true">
<Documentation>
<UserDocu>Computes the principal properties of inertia of the current system.
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.</UserDocu>
</Documentation>
<Parameter Name="PrincipalProperties" Type="Dict"/>
</Attribute>
</PythonExport>
</GenerateModel>