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
76 行
2.8 KiB
Python
76 行
2.8 KiB
Python
# Copyright (C) 2015-2023: 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.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", "#ff83ec"]
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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 in range(len(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 = 0
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maxerrors.append(f": {np.amax(datadiffs[start::, 1]):.1f} [dB]")
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logger.info(f"{file1.name} - {file2.name}: Max. error {maxerrors[x]}")
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fig, ax = plt.subplots(
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subplot_kw=dict(xlabel="Iterations", ylabel="Error [dB]"), figsize=(20, 10), facecolor="w", edgecolor="w")
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# Plot diffs (select column to choose field component, 0-Ex, 1-Ey etc..)
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ax.plot(time[start::], datadiffs[start::, 1], color=next(colors), lw=2, ls=next(lines), label=f"{file1.name} - {file2.name}")
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ax.set_xticks(np.arange(0, 2200, step=100))
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ax.set_xlim([0, 2100])
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ax.set_yticks(np.arange(-160, 0, step=20))
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ax.set_ylim([-160, -20])
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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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mylegend = list(map(add, PMLIDs, maxerrors))
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legend = ax.legend(mylegend, loc=1, fontsize=14)
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frame = legend.get_frame()
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frame.set_edgecolor("white")
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frame.set_alpha(0)
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plt.show()
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# Save a PDF/PNG of the figure
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# fig.savefig(basepath + '.pdf', dpi=None, format='pdf', bbox_inches='tight', pad_inches=0.1)
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# fig.savefig(savename + '.png', dpi=150, format='png', bbox_inches='tight', pad_inches=0.1)
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