tetrahedra

Given a point and a large number of tetrahedrons, how to efficiently determine in which tetrahedron the point is Question: Suppose we define a point to be a tuple of three floating-point numbers, and a tetrahedron a tuple of four points. Suppose we have a tetrahedron and a point, we can determine whether the point …

How to draw a Tetrahedron mesh by matplotlib? Question: I want to plot a tetrahedron mesh by matplotlib, and the following are a simple tetrahedron mesh: xyz = np.array([ [-1,-1,-1], [ 1,-1,-1], [ 1, 1,-1], [-1, 1,-1], [-1,-1, 1], [ 1,-1, 1], [ 1, 1, 1], [-1, 1, 1]], dtype=np.float) tets = np.array([ [0,1,2,6], [0,5,1,6], …