I have discovered that the following code produces non numeric
results:
double thetaX,thetaY;
Transform3D t1,t2;
double[] a=new double[4];
Matrix3d mat=new Matrix3d();
AxisAngle4d angle=new AxisAngle4d();
...
t1.rotX(thetaX);
t2.rotY(thetaY);
t1.mul(t2);
t1.normalize();
t1.get(mat);
angle.set(mat);
angle.get(a);
Namely, when thetaX or thetaY = 0, the axis values of angle,
stored in a, are reported as NaN. It this a problem people are familiar
with? My method seems straight-forward such that I'm not doing anything
technically wrong. If anyone has any thoughts on this, they would be much
appreciated. Thanks.
DereK
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