setSpanningVectorsSafe(): Choosing better values vec1_ and vec2_, i.e. with normal_ = z_axis, we set vec1_ =  x_axis and vec2_ = y_axis, etc.
setSpanningVectorsSafe(): Choosing better values vec1_ and vec2_, i.e. with normal_ = z_axis, we set vec1_ =  x_axis and vec2_ = y_axis, etc.

akva2/GoTools,akva2/GoTools,akva2/GoTools,akva2/GoTools