# Zero linear term B = igl.eigen.MatrixXd.Zero(V.rows(),1); Z = igl.eigen.MatrixXd() Z_const = igl.eigen.MatrixXd() # Alternative, short hand mqwf = igl.min_quad_with_fixed_data() # Empty constraints Beq = igl.eigen.MatrixXd() Aeq = igl.eigen.SparseMatrixd() igl.min_quad_with_fixed_precompute(Q,b,Aeq,True,mqwf) igl.min_quad_with_fixed_solve(mqwf,B,bc,Beq,Z) # Constraint forcing difference of two points to be 0 Aeq = igl.eigen.SparseMatrixd(1,V.rows()) # Right hand, right foot Aeq.insert(0,6074,1) Aeq.insert(0,6523,-1) Aeq.makeCompressed() Beq = igl.eigen.MatrixXd([[0]]) igl.min_quad_with_fixed_precompute(Q,b,Aeq,True,mqwf) igl.min_quad_with_fixed_solve(mqwf,B,bc,Beq,Z_const) # Pseudo-color based on solution global C
Z_in = solver.solve(L_in_b * bc) # slice into solution igl.slice_into(Z_in, vin, Z) # Alternative, short hand mqwf = igl.min_quad_with_fixed_data() # Linear term is 0 B = igl.eigen.MatrixXd() B.setZero(V.rows(), 1) # Empty constraints Beq = igl.eigen.MatrixXd() Aeq = igl.eigen.SparseMatrixd() # Our cotmatrix is _negative_ definite, so flip sign igl.min_quad_with_fixed_precompute(-L, b, Aeq, True, mqwf) igl.min_quad_with_fixed_solve(mqwf, B, bc, Beq, Z) # Pseudo-color based on solution C = igl.eigen.MatrixXd() igl.jet(Z, True, C) # Plot the mesh with pseudocolors viewer = igl.glfw.Viewer() viewer.data().set_mesh(V, F) viewer.data().show_lines = False viewer.data().set_colors(C) viewer.launch()
