def plots(mesh_size, sigma_val, n, lat_type): #################################################################################################################### ### Creating an array of boundary plane miller indices in CSL lattice mil_ind_csl = gen_miller_ind(mesh_size) #################################################################################################################### ### Creating an instance of lattice class elem = GBl.Lattice(lat_type) ### Getting the primitive lattice in orthogonal frame l_g_go = elem.l_g_go ### Extracting the sigma misorientation from the pickle file ### Misorientation is in the primitive frame of associated lattice gb_dir = os.path.dirname(inspect.getfile(GBpy)) pkl_path = gb_dir + '/pkl_files/cF_Id_csl_common_rotations.pkl' pkl_content = pickle.load(open(pkl_path)) sig_mis_N = pkl_content[str(sigma_val)]['N'][0] sig_mis_D = pkl_content[str(sigma_val)]['D'][0] sig_mis_g = sig_mis_N/sig_mis_D ### Converting the misorientation to orthogonal frame/superlattice of the crystal ### Done using similarity transformation sig_mis_go = np.dot(np.dot(l_g_go, sig_mis_g), np.linalg.inv(l_g_go)).reshape(1,3,3)[0] ### Getting the csl basis in primitive frame l_csl_g, l_dsc_g = GBfcd.find_csl_dsc(l_g_go, sig_mis_g) ### Converting the csl basis to orthogonal frame l_csl_go = np.dot(l_g_go, l_csl_g) ### reciprocal csl basis in po frame l_rcsl_go = GBfcd.reciprocal_mat(l_csl_go) ### Converting the miller indices to normals in po frame bpn_go = np.dot(l_rcsl_go, mil_ind_csl.transpose()).transpose() #################################################################################################################### ### Finding the boundary plane normals in the FZ using five_param_fz bp_fz_norms_go1, bp_symm_grp, symm_grp_ax = five_param_fz(sig_mis_go, bpn_go) ### Finding unique normals bp_fz_norms_go1_unq, bfz_unq_ind = GBt.unique_rows_tol(bp_fz_norms_go1, return_index=True) ### Finding the input hkl indices corresponding to unique FZ normals mil_ind_csl_unq = mil_ind_csl[bfz_unq_ind] #################################################################################################################### ### Calculating interplanar distance (d sigma hkl) for unique FZ bpn l_rcsl_go = GBfcd.reciprocal_mat(l_csl_go) mt_cslr_go = np.dot(l_rcsl_go.transpose(), l_rcsl_go) d_inv_sqr = np.diag(np.dot(np.dot(mil_ind_csl_unq, mt_cslr_go),mil_ind_csl_unq.transpose())) d_inv = np.sqrt(d_inv_sqr) d_sig_hkl = np.true_divide(1, d_inv) #################################################################################################################### ### Calculating unit cell area for 2-D csl unit cells for unique FZ bpn pl_den = [] num_bpn_unq = np.shape(bp_fz_norms_go1_unq)[0] for ct1 in range(num_bpn_unq): _, _, pl_den_csl = GBb2.bicryst_planar_den(bp_fz_norms_go1_unq[ct1, :], sig_mis_g, l_g_go, 'normal_go', 'g1') pl_den.append(pl_den_csl) pl_den = np.array(pl_den) a_sig_hkl = np.true_divide(1, pl_den) #################################################################################################################### ### Checking the csl primitive unit cell volume equality v_sig_hkl = np.multiply(d_sig_hkl, a_sig_hkl) # print v_sig_hkl v_basis = abs(np.linalg.det(l_csl_go)) if np.all(abs(v_sig_hkl-v_basis) < 1e-04): print "The two volumes match!" else: print " Mismatch!" #################################################################################################################### ### Sorting attributes in increasing order of 2d csl primitive unit cell area ind_area_sort = np.argsort(a_sig_hkl) a_sig_hkl_sort = np.sort(a_sig_hkl) d_sig_hkl_sort = d_sig_hkl[ind_area_sort] bp_fz_norms_go1_unq_sort = bp_fz_norms_go1_unq[ind_area_sort] #################################################################################################################### ### Check to ensure required number of unique bpn are returned if np.shape(bp_fz_norms_go1_unq_sort)[0] < n: print "Please input a larger mesh grid or reduce the number of boundaries!" n = np.shape(bp_fz_norms_go1_unq_sort)[0] #################################################################################################################### ### Selecting the lowest 'n' area boundaries and their attributes for plotting a_plot = a_sig_hkl_sort[:n] pd_plot = np.true_divide(1, a_plot) d_plot = d_sig_hkl_sort[:n] bp_fz_plot = bp_fz_norms_go1_unq_sort[:n] #################################################################################################################### ### d vs pd plot fig1 = plt.figure(figsize=(12, 12), facecolor='w') plt.margins(0.05) plt.xlabel('Interplanar spacing') plt.ylabel('Planar density of 2D-CSL') plt.plot(d_plot, pd_plot, 'ro') # plt.show() plt.savefig('d_vs_pd_' + str(mesh_size) + '_' + str(n)+ '.png', dpi=100, bbox_inches='tight') #################################################################################################################### ### FZ plot for the sorted and selected boundaries na = '_'+ str(mesh_size) + '_'+ str(n) plot_fig(symm_grp_ax, bp_fz_plot, np.pi/6, na) # plt.show() return
def bicryst_planar_den(inds, t_mat, l_g_go, inds_type='miller_index', mat_ref='g1'): """ The function computes the planar densities of the planes 1 and 2 and the two-dimensional CSL Parameters --------------- inds: numpy array The boundary plane indices inds_type: string {'miller_index', 'normal_go', 'normal_g'} t_mat: numpy array Transformation matrix from g1 to g2 in go1 reference frame mat_ref: string {'go1', 'g1'} lattice: Lattice class Attributes of the underlying lattice Returns ----------- pl_den_pl1, pl_den_pl2: numpy array The planar density of planes 1 and 2 pl_den_csl: numpy array The planare density of the two-dimensional CSL """ import GBpy.lattice as lat if isinstance(l_g_go, lat.Lattice): l_g_go = np.array(l_g_go.l_g_go, dtype=np.float64) l_g1_go1 = l_g_go l_rg1_go1 = fcd.reciprocal_mat(l_g1_go1) l_go1_rg1 = np.linalg.inv(l_rg1_go1) if inds_type == 'normal_go': bp1_go1 = inds miller1_inds = int_man.int_finder(np.dot(l_go1_rg1, bp1_go1)) elif inds_type == 'miller_index': miller1_inds = inds elif inds_type == 'normal_g': bp1_g1 = inds l_g1_rg1 = np.dot(l_go1_rg1, l_g1_go1) miller1_inds = int_man.int_finder(np.dot(l_g1_rg1, bp1_g1)) else: raise Exception('Wrong index type') if mat_ref == 'go1': l_2d_csl_g1, l_pl1_g1, l_pl2_g1 = gb_2d_csl(miller1_inds, t_mat, l_g_go, 'miller_index', 'go1') elif mat_ref == 'g1': l_2d_csl_g1, l_pl1_g1, l_pl2_g1 = gb_2d_csl(miller1_inds, t_mat, l_g_go, 'miller_index', 'g1') else: raise Exception('Wrong reference axis type') check_2d_csl(l_pl1_g1, l_pl2_g1, l_2d_csl_g1) pl_den_pl1 = pl_density(l_pl1_g1, l_g1_go1) pl_den_pl2 = pl_density(l_pl2_g1, l_g1_go1) pl_den_csl = pl_density(l_2d_csl_g1, l_g1_go1) return pl_den_pl1, pl_den_pl2, pl_den_csl
def pick_uni_bpn(num, sigma_val, lat_type, bound=10, plot_sw=False): ### Creating an instance of lattice class elem = GBl.Lattice(lat_type) ### Getting the primitive lattice in orthogonal frame l_g_go = elem.l_g_go ### Extracting the sigma misorientation from the pickle file ### Misorientation is in the primitive frame of associated lattice gb_dir = os.path.dirname(inspect.getfile(GBpy)) pkl_path = gb_dir + "/pkl_files/cF_Id_csl_common_rotations.pkl" pkl_content = pickle.load(open(pkl_path)) pub_out = [] for i in range(len(pkl_content[str(sigma_val)]["N"])): sig_mis_N = pkl_content[str(sigma_val)]["N"][i] sig_mis_D = pkl_content[str(sigma_val)]["D"][i] sig_mis_g = sig_mis_N / sig_mis_D sig_mis_go = np.dot(np.dot(l_g_go, sig_mis_g), np.linalg.inv(l_g_go)).reshape(1, 3, 3)[0] ### Getting the csl basis in primitive frame l_csl_g, l_dsc_g = GBfcd.find_csl_dsc(l_g_go, sig_mis_g) ### Converting the csl basis to orthogonal frame l_csl_go = np.dot(l_g_go, l_csl_g) ### reciprocal csl basis in po frame l_rcsl_go = GBfcd.reciprocal_mat(l_csl_go) mt_rcsl_go = np.dot(l_rcsl_go.transpose(), l_rcsl_go) bp_fz, bp_symm_grp, symm_grp_ax, cube_grid, gs = est_bound(bound, mt_rcsl_go, l_rcsl_go, sig_mis_go, num) bpn_sphr = fz2sphr(bp_fz, bp_symm_grp, symm_grp_ax) bpn = csl_area_sort(bpn_sphr, l_rcsl_go, mt_rcsl_go) bpn_grid = bpn_in_grid(bpn, cube_grid, gs, l_rcsl_go, mt_rcsl_go) bpn_grid_fz, _, _ = fpf.five_param_fz(sig_mis_go, bpn_grid) bpn_grid_fz = GBt.unique_rows_tol(bpn_grid_fz, tol=1e-06) bpn_sort, hkl_sort = csl_area_sort(bpn_grid_fz, l_rcsl_go, mt_rcsl_go, return_hkl=True) #### Preparing to pickle the contents num_hkl = len(hkl_sort) print num_hkl, "\n" hkl_save = np.hstack((np.arange(1, num_hkl + 1, 1).reshape(num_hkl, 1), hkl_sort)) bpn_save = np.hstack((np.arange(1, num_hkl + 1, 1).reshape(num_hkl, 1), bpn_sort)) mis_id = "Sig_" + str(sigma_val) + "_" + str(i) symm_ax = np.dot(np.linalg.inv(l_g_go), symm_grp_ax) sig_attr = [mis_id, hkl_save, bpn_save, sig_mis_g, bp_symm_grp, symm_ax] # pkl_file = mis_id + '.pkl' # jar = open(pkl_file, 'wb') # pickle.dump(sig_attr, jar) # jar.close() if plot_sw == True: plot_2d(bpn_grid, gs) grid_lines_sphr = grid(gs) plot_3d(grid_lines_sphr, bpn_grid) plot_3d(grid_lines_sphr, bpn) pub_out.append(sig_attr) # print pub_out, '\n' return pub_out
def gb_2d_csl(inds, t_mat, l_g_go, inds_type='miller_index', mat_ref='g1'): """ For a given boundary plane normal 'bp1_g1' and the misorientation matrix 't_g1tog2_g1', the two-dimensional CSL lattice is computed Parameters ------------------ inds: numpy array The boundary plane indices inds_type: string {'miller_index', 'normal_go', 'normal_g'} t_mat: numpy array Transformation matrix from g1 to g2 in 'mat_ref' reference frame mat_ref: string {'go1', 'g1'} lattice: Lattice class Attributes of the underlying lattice Returns ----------- l_2d_csl_g1, l_pl1_g1, l_pl2_g1: numpy arrays l_2d_csl_g1 is the 2d CSL in g1 ref frame l_pl1_g1 is the plane 1 basis in g1 ref frame l_pl2_g1 is the plane 2 basis in g1 ref frame """ import GBpy.lattice as lat if isinstance(l_g_go, lat.Lattice): l_g_go = np.array(l_g_go.l_g_go, dtype=np.float64) l_g1_go1 = l_g_go l_go1_g1 = np.linalg.inv(l_g1_go1) l_rg1_go1 = fcd.reciprocal_mat(l_g1_go1) l_go1_rg1 = np.linalg.inv(l_rg1_go1) if inds_type == 'normal_go': bp1_go1 = inds miller1_ind = int_man.int_finder(np.dot(l_go1_rg1, bp1_go1)) elif inds_type == 'miller_index': miller1_ind = inds elif inds_type == 'normal_g': bp1_g1 = inds l_g1_rg1 = np.dot(l_go1_rg1, l_g1_go1) miller1_ind = int_man.int_finder(np.dot(l_g1_rg1, bp1_g1)) else: raise Exception('Wrong index type') if mat_ref == 'go1': t_g1tog2_g1 = np.dot(l_go1_g1, np.dot(t_mat, l_g1_go1)) elif mat_ref == 'g1': t_g1tog2_g1 = t_mat else: raise Exception('Wrong reference axis type') bp1_go1 = int_man.int_finder(np.dot(l_rg1_go1, miller1_ind)) l_g2_g1 = t_g1tog2_g1 l_g2_go1 = np.dot(l_g1_go1, l_g2_g1) l_rg2_go1 = fcd.reciprocal_mat(l_g2_go1) l_go1_rg2 = np.linalg.inv(l_rg2_go1) # bp2_g2 = int_man.int_finder(np.dot(-l_go1_g2, bp1_go1)) miller2_ind = int_man.int_finder(np.dot(-l_go1_rg2, bp1_go1)) l_pl1_g1 = bp_basis(miller1_ind) l_pl2_g2 = bp_basis(miller2_ind) l_pl2_g1 = np.dot(l_g2_g1, l_pl2_g2) l_2d_csl_g1 = csl_finder_2d(l_pl1_g1, l_pl2_g1) return l_2d_csl_g1, l_pl1_g1, l_pl2_g1