你已经派生过 gprMax
镜像自地址
https://gitee.com/sunhf/gprMax.git
已同步 2025-08-07 23:14:03 +08:00
87 行
3.0 KiB
Python
87 行
3.0 KiB
Python
# Copyright (C) 2015-2025: The University of Edinburgh, United Kingdom
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# Authors: Craig Warren, Antonis Giannopoulos, and John Hartley
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#
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# This file is part of gprMax.
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#
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# gprMax is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# gprMax is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with gprMax. If not, see <http://www.gnu.org/licenses/>.
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import itertools
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import logging
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from operator import add
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from pathlib import Path
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import matplotlib.gridspec as gridspec
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import matplotlib.pyplot as plt
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import numpy as np
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from testing.diff_output_files import diff_output_files
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logger = logging.getLogger(__name__)
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# Create/setup plot figure
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# Plot colours from http://tools.medialab.sciences-po.fr/iwanthue/index.php
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colorIDs = ["#79c72e", "#5774ff", "#ff7c2c", "#4b4e80", "#d7004e", "#007545"]
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colors = itertools.cycle(colorIDs)
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lines = itertools.cycle(("--", ":", "-.", "-"))
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markers = ["o", "d", "^", "s", "*"]
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fn = Path(__file__)
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basename = "pml_basic"
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PMLIDs = ["off", "x0", "y0", "z0", "xmax", "ymax", "zmax"]
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maxerrors = []
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for x, PMLID in enumerate(PMLIDs):
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file1 = fn.parent.joinpath(basename + str(x + 1) + "_CPU.h5")
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file2 = fn.parent.joinpath(basename + str(x + 1) + "_GPU.h5")
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time, datadiffs = diff_output_files(file1, file2)
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# Print maximum error value
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start = 150
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maxerrors.append(f": {np.amax(np.amax(datadiffs[start::, :])):.1f} [dB]")
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print(f"{PMLID}: Max. error {maxerrors[x]}")
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# Plot diffs
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gs = gridspec.GridSpec(3, 2, hspace=0.3, wspace=0.3)
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fig, ax = plt.subplots(figsize=(20, 10), facecolor="w", edgecolor="w")
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ax.remove()
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fig.suptitle(f"{PMLID}")
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outputs = ["Ex", "Ey", "Ez", "Hx", "Hy", "Hz"]
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for i, output in enumerate(outputs):
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if i < 3:
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ax = plt.subplot(gs[i, 0])
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else:
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ax = plt.subplot(gs[i - 3, 1])
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ax.plot(time[start::], datadiffs[start::, i], color=next(colors), lw=2)
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ax.set_xticks(np.arange(0, 1800, step=200))
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ax.set_xlim([0, 1600])
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ax.set_yticks(np.arange(-400, 80, step=40))
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ax.set_ylim([-400, 40])
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ax.set_axisbelow(True)
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ax.grid(color=(0.75, 0.75, 0.75), linestyle="dashed")
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ax.set_xlabel("Time [iterations]")
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ax.set_ylabel(f"{output} error [dB]")
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# Save a PDF/PNG of the figure
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fig.savefig(
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basename + "_diffs_" + PMLID + ".pdf",
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dpi=None,
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format="pdf",
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bbox_inches="tight",
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pad_inches=0.1,
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)
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# fig.savefig(basename + "_diffs_" + PMLID + ".png", dpi=150, format='png', bbox_inches='tight', pad_inches=0.1)
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plt.show()
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