mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2026-07-02 09:28:50 +00:00
Carles Fernandez
56 lines
2.1 KiB
Python
56 lines
2.1 KiB
Python
"""
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plot_format.py
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Shared output-format helpers for the GNSS-SDR Python plotting utilities.
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Provides a common --format command-line argument (same set of formats as
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utils/skyplot/skyplot.py) and a matplotlib style that makes the vector
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outputs (PDF/EPS) publication-ready with embedded fonts.
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-----------------------------------------------------------------------------
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GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
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This file is part of GNSS-SDR.
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Copyright (C) 2026 (see AUTHORS file for a list of contributors)
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SPDX-License-Identifier: GPL-3.0-or-later
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-----------------------------------------------------------------------------
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"""
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# Output formats offered by every plotting utility, matching the --format
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# option of utils/skyplot/skyplot.py. PNG is the default here.
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OUTPUT_FORMATS = ["png", "pdf", "eps", "svg", "jpg"]
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DEFAULT_OUTPUT_FORMAT = "png"
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def add_output_format_argument(parser):
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"""Add the shared --format option to an argparse parser."""
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parser.add_argument(
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"--format",
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dest="output_format",
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type=str.lower,
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default=DEFAULT_OUTPUT_FORMAT,
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choices=OUTPUT_FORMATS,
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help="Saved figure format (default: png). Vector formats (pdf, eps, "
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"svg) are written publication-ready with embedded fonts.",
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)
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def apply_publication_style():
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"""Configure matplotlib so saved figures are publication-ready.
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The key settings embed the fonts in PDF and EPS output (font type 42 =
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TrueType) instead of leaving them as the default Type 3 fonts, which many
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journals reject. SVG text is kept editable, and raster output uses a high
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DPI. The active font family is left untouched, so plots keep their usual
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look; whatever font is in use gets embedded.
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"""
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import matplotlib.pyplot as plt
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plt.rcParams["pdf.fonttype"] = 42 # embed TrueType fonts in PDF
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plt.rcParams["ps.fonttype"] = 42 # embed TrueType fonts in EPS/PS
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plt.rcParams["svg.fonttype"] = "none" # keep SVG text editable
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plt.rcParams["savefig.dpi"] = 300 # high-resolution png/jpg
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plt.rcParams["savefig.bbox"] = "tight" # trim surrounding whitespace
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