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Merge pull request #3 from 5263/mb

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isNull() method for rotation
This commit is contained in:
Yorik van Havre
2012-05-15 15:43:21 -07:00
parent 57403910b0 e63eaf9075
commit 14af8a78ea
2 changed files with 19 additions and 0 deletions
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8
src/Base/RotationPy.xml
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@@ -48,6 +48,14 @@
</UserDocu> </UserDocu>
</Documentation> </Documentation>
</Methode> </Methode>
<Methode Name="isNull">
<Documentation>
<UserDocu>
isNull() -> Bool
returns True if the rotation equals the unity matrix
</UserDocu>
</Documentation>
</Methode>
<Attribute Name="Q" ReadOnly="false"> <Attribute Name="Q" ReadOnly="false">
<Documentation> <Documentation>
<UserDocu>The rotation elements (as quaternion)</UserDocu> <UserDocu>The rotation elements (as quaternion)</UserDocu>

11
src/Base/RotationPyImp.cpp
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@@ -144,6 +144,17 @@ PyObject* RotationPy::toEuler(PyObject * args)
return Py::new_reference_to(tuple); return Py::new_reference_to(tuple);
} }
PyObject* RotationPy::isNull(PyObject *args)
{
if (!PyArg_ParseTuple(args, ""))
return NULL;
Base::Rotation rot = * getRotationPtr();
Base::Rotation nullrot(0,0,0,1);
Base::Rotation nullrotinv(0,0,0,-1);
bool null = (rot == nullrot) | (rot == nullrotinv);
return Py_BuildValue("O", (null ? Py_True : Py_False));
}
Py::Tuple RotationPy::getQ(void) const Py::Tuple RotationPy::getQ(void) const
{ {
double q0, q1, q2, q3; double q0, q1, q2, q3;