Source code for masci_tools.vis.kkr_plot_shapefun

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# Copyright (c), 2018 Forschungszentrum Jülich GmbH, IAS-1/PGI-1, Germany.    #
#                All rights reserved.                                         #
# This file is part of the Masci-tools package.                               #
# (Material science tools)                                                    #
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# The code is hosted on GitHub at https://github.com/judftteam/masci-tools    #
# For further information on the license, see the LICENSE.txt file            #
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"""
Tool to visualize the KKR shapefunctions
"""

from typing import Optional


[docs]def plot_shapefun(pos, out, mode): """ Creates a simple matplotlib image to show the shapefunctions given it's positions in the unit cell, the atoms's vertices in `ut` and the plotting mode :author: Philipp Ruessmann :param pos: positions of the centers of the cells :param verts: array of vertices of the shapefunction (outlines of shapes) :param mode: 'all' or 'single' determines whether or not all shapes are combined in a single figure or plotted as individual figures :returns ax: return the axis in which the plot was done (useful to pass to 'change_zoom' and 'zoom_in' functions of this module """ import matplotlib.pyplot as plt from mpl_toolkits.mplot3d import Axes3D from numpy import array, shape if mode == 'all': fig = plt.figure() ax = fig.add_subplot(111, projection='3d') Natm = len(pos) for j in range(1, Natm + 1): if mode == 'single': fig = plt.figure() ax = fig.add_subplot(111, projection='3d') for i in list(out.keys()): if i[0] == j: linecolor = 'r' if j in [2, 3, 6, 7]: linecolor = 'b' d = array(out[i]) if len(shape(pos)) > 1 and len(pos) > 2 and mode == 'all': dx, dy, dz = pos[j - 1, 0], pos[j - 1, 1], pos[j - 1, 2] else: dx, dy, dz = 0, 0, 0 ax.plot(d[:, 0] + dx, d[:, 1] + dy, d[:, 2] + dz, linecolor) if mode == 'all': xy_scale = 1 scale = 1 ax.set_xlim(-scale * xy_scale, scale * xy_scale) ax.set_ylim(-scale * xy_scale, scale * xy_scale) ax.set_zlim(-scale, scale) return ax
[docs]def change_zoom(ax, zoom_range: float, center: Optional[list] = None) -> None: """ Change the zoom of a 3d plot :author: Philipp Ruessmann :param ax: axis which is zoomed :param zoom_range: range to which the image is zoomed, total range from center-zoom_range to center+zoom_range :param center: center of the zoomed region (optional, defaults to origin) """ if center is None: center = [0., 0., 0.] ax.set_xlim(center[0] - zoom_range, center[0] + zoom_range) ax.set_ylim(center[1] - zoom_range, center[1] + zoom_range) ax.set_zlim(center[2] - zoom_range, center[2] + zoom_range)
[docs]def zoom_in(ax, atm, pos, zoom_range=10): """ Zoom into shapefun of a single atom :author: Philipp Ruessmann :param ax: axis in which shapefun plot is found :param atm: atom index whose shapefunction is zoomed :param pos: array of positions of centers of the shapes (needed to shift center of zommed region to correct atom :param zoom_range: range of the zoomed region (optional, defaults to 10) """ center = pos[atm - 1] print('zoom in to atom', atm, ':', center) change_zoom(ax, zoom_range, center)