poles are colored according using IPF coloring and resized proportionally
to each grain volume.
"""
# create a microstructure with a random texture and 200 grains
micro = Microstructure.random_texture(n=200)
micro.autodelete = True
# set random values for the grain volumes
np.random.seed(22)
for g in micro.grains:
g['volume'] = 100 * np.random.random()**3
g.update()
micro.grains.flush()
# first pole figure
pf = PoleFigure(microstructure=micro)
pf.resize_markers = True
pf.set_hkl_poles('001')
pf.axis = 'Z'
pf.set_map_field('ipf')
pf.plot_pole_figures(plot_sst=True, display=False, save_as='png')
del pf
del micro
image_name = os.path.splitext(__file__)[0] + '.png'
print('writing %s' % image_name)
from matplotlib import image
image.thumbnail(image_name, 'thumb_' + image_name, 0.2)
from pymicro.crystal.texture import PoleFigure
from pymicro.crystal.microstructure import Microstructure, Grain, Orientation
from matplotlib import pyplot as plt
if __name__ == '__main__':
'''
A pole figure plotted using contours.
'''
eulers = Orientation.read_orientations('../data/pp100', data_type='euler')
micro = Microstructure(name='test')
for i in range(100):
micro.grains.append(Grain(i + 1, eulers[i + 1]))
pf = PoleFigure(microstructure=micro)
pf.mksize = 40
pf.proj = 'stereo'
pf.set_hkl_poles('111')
fig = plt.figure(1, figsize=(12, 5))
ax1 = fig.add_subplot(121, aspect='equal')
ax2 = fig.add_subplot(122, aspect='equal')
pf.create_pf_contour(ax=ax1, ang_step=20)
pf.plot_pf(ax=ax2)
image_name = os.path.splitext(__file__)[0] + '.png'
print('writting %s' % image_name)
plt.savefig(image_name, format='png')
from matplotlib import image
image.thumbnail(image_name, 'thumb_' + image_name, 0.2)