squish/shrink_energy_comparison.py
2024-10-22 19:06:03 -04:00

165 lines
5.4 KiB
Python

#!/usr/bin/env python3
from __future__ import annotations
from typing import List
from simulation import Diagram, Simulation
import argparse, numpy as np
import matplotlib.pyplot as plt
from pathlib import Path
def get_torus_config_energies(n: int, widths: np.ndarray, h: float, r: float,
energy: str) -> Tuple[np.ndarray, np.ndarray]:
torus_min_energies, torus_max_energies = np.empty(widths.shape), np.empty(widths.shape)
for i, w in enumerate(widths):
sim = Simulation(n, w, h, r, energy)
for c in range(1,n): # Ignore 0, tends to error.
sim.add_frame(torus=(1,c))
sim.add_frame(torus=(c,1))
hashes = int(21*i/len(widths))
print(f'Generating at width {w:.02f}... ' + \
f'|{"#"*hashes}{" "*(20-hashes)}| {i+1}/{len(widths)}, {2*c}/{2*(n-1)}' + \
f' completed.', flush=True, end='\r')
torus_min_energies[i] = min([frame.energy for frame in sim.frames])
torus_max_energies[i] = max([frame.energy for frame in sim.frames])
print(flush=True)
return torus_min_energies, torus_max_energies
# def equal_shape_eigs(n, widths, h, r):
# n,w,h,r = 57, 10, 10, 4 # Domain settings
# thres, step_size = 10e-5, 5e-2 # Simulation settings
# log_steps = 50
# energy = "radial-t"
# sims = [None]*n*2
# energies = {}
# for x in range(1,n):
# sim = TravelEQ(n, w, h, r, energy, thres, step_size, log_steps)
# sim2 = TravelEQ(n, w, h, r, energy, thres, step_size, log_steps)
# #frame = FindEQ(n, w, h, r, "radial-t", POOL, thres, step_size, log_steps)
# for j in range(141):
# sim.w = 10-j*.05
# sim2.w = 10-j*.05
# sim.add_frame(None, (1,x), 0)
# sim2.add_frame(None, (x, 1), 0)
# #sim.initialize(torus=(1,x))
# energies[(1,x)] = sim[0].energy
# energies[(x,1)] = sim2[0].energy
# sims[x] = list([y.energy for y in sim.frames])
# sims[x+n] = list([y.energy for y in sim2.frames])
# #k1 = np.concatenate(sim.frames[0].process(sim.frames[0].grad, sim.frames[0].get_ranges()))
# #print(np.linalg.norm(k1))
# # hess = sim.frames[0].hessian(10e-5)
# # eigs = np.sort(np.linalg.eig(hess)[0])
# # sim.frames[0].stats["eigs"] = eigs
# # diagram = Diagram(sim, np.array([["voronoi", "eigs"]]))
# #diagram = Diagram(sim, np.array([["voronoi"]]))
# #diagram.render_static(0, filename=f'EqualShape/EqualShapeN{n}/{str((1, x))}')
# print(min(energies, key=energies.get))
# return sims
def main():
# Loading arguments.
parser = argparse.ArgumentParser("Compiles the equilibriums for each width into a diagram.")
parser.add_argument('sims_path', metavar='path/to/folder',
help="folder that contains simulation files.")
parser.add_argument('-q', '--quiet', dest='quiet', action='store_true', default=False,
help="suppress all normal output")
parser.add_argument('-o', '--output', dest='output_file')
args = parser.parse_args()
sims = []
files = list(Path(args.sims_path).iterdir())
for i, file in enumerate(files):
sims.append(Simulation.load(file))
hashes = int(21*i/len(files))
print(f'Loading simulations... |{"#"*hashes}{" "*(20-hashes)}|' + \
f' {i+1}/{len(files)} simulations loaded.', flush=True, end='\r')
print(flush=True)
sims.sort(key=lambda x: x.w)
widths = np.asarray([sim.w for sim in sims])
min_frames = [min(sim.frames, key=lambda x: x.energy) for sim in sims]
max_frames = [max(sim.frames, key=lambda x: x.energy) for sim in sims]
min_energies = np.asarray([frame.energy for frame in min_frames])
max_energies = np.asarray([frame.energy for frame in max_frames])
torus_min_energies, torus_max_energies = get_torus_config_energies(
sims[0].n, widths, sims[0].h, sims[0].r, sims[0].energy
)
min_markers = [np.var(frame.stats["site_areas"]) <= 1e-8 for frame in min_frames]
max_markers = [np.var(frame.stats["site_areas"]) <= 1e-8 for frame in max_frames]
# Torus minimum energies used as reference.
fig, ax = plt.subplots(figsize=(16, 8))
#ax.plot(widths, nums)
# for i, equal_sim in enumerate(equal_sims):
# if i in [0, n]:
# continue
# ax.plot(widths,
# np.asarray(equal_sims[i]) - reference,
# color="orange", alpha=0.5, linewidth=0.5, zorder=3
# )
ax.plot(widths, torus_min_energies - torus_min_energies, color='C1')
ax.plot(widths, min_energies - torus_min_energies, color='C0')
ax.plot(widths, max_energies - torus_min_energies, color='C0', linestyle='dotted')
#ax.plot(widths, torus_max_energies - torus_min_energies, color='C1', linestyle='dotted')
for i, marker in enumerate(min_markers):
if marker:
ax.scatter(widths[i], min_energies[i]-torus_min_energies[i],
marker='H', color="orange", s=20, zorder=4)
else:
ax.scatter(widths[i], min_energies[i]-torus_min_energies[i],
marker='d', color="blue", s=20, zorder=4)
for i, marker in enumerate(max_markers):
if marker:
ax.scatter(widths[i], max_energies[i]-torus_min_energies[i],
marker='H', edgecolors="orange", s=20, facecolors='none', zorder=4)
else:
ax.scatter(widths[i], max_energies[i]-torus_min_energies[i],
marker='d', edgecolors="blue", s=20, facecolors='none', zorder=4)
ax.invert_xaxis()
ax.title.set_text('Reduced Energy vs. Width')
ax.set_xlabel("Width")
ax.set_ylabel("Reduced Energy")
ax.grid(zorder=0)
#ax.set_xticks([round(w,2) for w in widths[::-2]])
#ax.set_yticks(np.arange(-920, 1120, 40))
#ax.set_xticklabels(ax.get_xticks(), rotation = 90)
plt.tight_layout()
fig.savefig(f"figures/WidthsEnergyComparison - N{sims[0].n}.png")
if __name__ == "__main__":
try:
main()
except KeyboardInterrupt:
print("Program terminated by user.")