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plot_neighborhoods.py
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Wed, Jul 10, 18:04

plot_neighborhoods.py
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#!/usr/bin/env python
""" plot_neighborhoods.py: plot the neighborhoods in non local manager"""
__author__ = "Aurelia Isabel Cuba Ramos"
__credits__ = [
"Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>",
]
__copyright__ = "Copyright (©) 2015-2021 EPFL (Ecole Polytechnique Fédérale" \
" de Lausanne) Laboratory (LSMS - Laboratoire de Simulation" \
" en Mécanique des Solides)"
__license__ = "LGPLv3"
import sys
from matplotlib import rc
import matplotlib.pyplot as plt
import matplotlib.ticker as ticker
from matplotlib.backends.backend_pdf import PdfPages
# ------------------------------------------------------------------------------
def readFile(filename):
quad_x_coords = list()
quad_y_coords = list()
with open(filename) as fh:
for line in fh:
if line.strip().startswith("#"):
line = fh.next()
x, y = [float(s) for s in line[1:-3].split(", ")]
quad_x_coords.append(float(x))
quad_y_coords.append(float(y))
return quad_x_coords, quad_y_coords
# ------------------------------------------------------------------------------
def readNeighborhoods(filename):
neighborhoods = dict()
with open(filename) as fh:
first_line = fh.readline()
key = int(first_line[0:-1].split(" ")[-1])
current_list = list()
for line in fh:
if line.strip().startswith("#"):
neighborhoods[key] = current_list
key = int(line[0:-1].split(" ")[-1])
current_list = list()
else:
coord = [float(s) for s in line[1:-3].split(", ")]
current_list.append(coord)
neighborhoods[key] = current_list
return neighborhoods
# ------------------------------------------------------------------------------
def plotNeighborhood(quad_x_coords, quad_y_coords, neighborhood, r):
ax = plt.subplot(111)
plt.axis([-1, 1, -1, 1])
# plot all quads
ax.plot(quad_x_coords, quad_y_coords, label='free',
linestyle='None', marker="+", markeredgewidth=0.2, markersize=4)
# plot center of neighborhood and circle
x = neighborhood[0][0]
y = neighborhood[0][1]
ax.plot(x, y, label='free', marker="+", markeredgewidth=0.2,
markersize=4, color='r')
circ = plt.Circle((x, y), radius=r, color='g', fill=False)
ax.add_patch(circ)
formatter = ticker.ScalarFormatter()
formatter.set_powerlimits((-2, 2))
ax.xaxis.set_major_formatter(formatter)
# plot all the neighbors
for i in range(1, len(neighborhood)):
ax.plot(neighborhood[i][0], neighborhood[i][1], label='free',
linestyle='None', marker="x", markeredgewidth=0.2,
markersize=4, color='y')
ax.grid(b=True, which='major', color='0.75',
linestyle='-', linewidth=0.5)
ax.grid(b=True, which='minor', color='0.75',
linestyle='-', linewidth=0.5)
# ------------------------------------------------------------------------------
def main():
non_local_radius = 0.5
rc('text', usetex=True)
rc('font', family='serif', size=8, serif='Times')
neighborhood_file = sys.argv[1]
quad_x_coords, quad_y_coords = readFile(neighborhood_file)
nb_quads = len(quad_x_coords)
neighborhoods = readNeighborhoods(neighborhood_file)
with PdfPages('resulting_neighborhoods.pdf') as pdf:
for i in range(nb_quads):
plt.figure(1, figsize=(7/2.54, 7/2.54))
plotNeighborhood(quad_x_coords, quad_y_coords,
neighborhoods[i], non_local_radius)
pdf.savefig()
plt.close()
if __name__ == "__main__":
main()

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