def get_an_orthogonal_unit_vector(input_vector: QVector3D) -> QVector3D:
"""
Return a unit vector which is orthogonal to the input vector
There are infinite valid solutions, just one is returned
"""
if np.abs(input_vector.z()) < np.abs(input_vector.x()):
vector = QVector3D(input_vector.y(), -input_vector.x(), 0.0)
return vector.normalized()
return QVector3D(0.0, -input_vector.z(), input_vector.y()).normalized()
def check_coordinate_proc(self, pos: QVector3D):
"check coordinate type and value"
if not isinstance(pos, QVector3D):
raise TypeError(
"Given coordinates are not in type QVector3D: " + str(type(pos))
)
pvals = [pos.x(), pos.y(), pos.z()]
if not all([isinstance(v, float) for v in pvals]):
raise TypeError("Given coordinates do not have proper type float")
def validate_nonzero_qvector(value: QVector3D):
if value.x() == 0 and value.y() == 0 and value.z() == 0:
raise ValueError("Vector is zero length")
def qvector3d_to_numpy_array(input_vector: QVector3D) -> np.ndarray:
return np.array([input_vector.x(),
input_vector.y(),
input_vector.z()]).astype(float)
def vector(self, new_vector: QVector3D):
vector_as_np_array = np.array(
[new_vector.x(), new_vector.y(),
new_vector.z()])
self.file.set_attribute_value(self.dataset, CommonAttrs.VECTOR,
vector_as_np_array)
def validate_nonzero_qvector(value: QVector3D):
return value.x() == 0 and value.y() == 0 and value.z() == 0
