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#!/usr/bin/env python
# Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
# Copyright (C) 2014-2023 German Aerospace Center (DLR) and others.
# This program and the accompanying materials are made available under the
# terms of the Eclipse Public License 2.0 which is available at
# https://www.eclipse.org/legal/epl-2.0/
# This Source Code may also be made available under the following Secondary
# Licenses when the conditions for such availability set forth in the Eclipse
# Public License 2.0 are satisfied: GNU General Public License, version 2
# or later which is available at
# https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
# @file plot_csv_timeline.py
# @author Daniel Krajzewicz
# @author Laura Bieker
# @date 2014-01-14
"""
This script plots selected columns from a given .csv file (';'-separated).
The loaded time lines are visualised as lines.
matplotlib (http://matplotlib.org/) has to be installed for this purpose
"""
from __future__ import absolute_import
from __future__ import print_function
import os
import sys
import csv
sys.path.append(os.path.join(os.environ['SUMO_HOME'], 'tools'))
from sumolib.visualization import helpers # noqa
from sumolib.options import ArgumentParser # noqa
import matplotlib.pyplot as plt # noqa
def readValues(file, verbose, columns):
ret = {}
with open(file) as f:
if verbose:
print("Reading '%s'..." % f)
reader = csv.reader(f, delimiter=';')
for row in reader:
if columns is None:
columns = range(0, len(row))
for i in columns:
if i not in ret:
ret[i] = []
ret[i].append(float(row[i]))
return ret
def main(args=None):
"""The main function; parses options and plots"""
# ---------- build and read options ----------
ap = ArgumentParser()
ap.add_argument("-i", "--input", dest="input", category="input", type=ap.file, metavar="FILE",
required=True, help="Defines the input file to use")
ap.add_argument("-v", "--verbose", dest="verbose", action="store_true",
default=False, help="If set, the script says what it's doing")
ap.add_argument("--columns", dest="columns",
default=None, help="Defines which columns shall be plotted")
# standard plot options
helpers.addInteractionOptions(ap)
helpers.addPlotOptions(ap)
# parse
options = ap.parse_args(args=args)
if options.input is None:
print("Error: an input file must be given")
sys.exit(1)
minV = 0
maxV = 0
if options.columns is not None:
options.columns = [int(i) for i in options.columns.split(",")]
nums = readValues(options.input, options.verbose, options.columns)
for f in nums:
maxV = max(maxV, len(nums[f]))
ts = range(minV, maxV + 1)
fig, ax = helpers.openFigure(options)
for i in nums:
v = nums[i]
ci = i
if options.columns is not None:
ci = options.columns.index(i)
c = helpers.getColor(options, ci, len(nums))
addArgs = {"linestyle": options.linestyle, "color": c}
if options.marker is not None:
addArgs["marker"] = options.marker
plt.plot(ts[0:len(v)], v, label=helpers.getLabel(str(i), ci, options), **addArgs)
helpers.closeFigure(fig, ax, options)
if __name__ == "__main__":
try:
main(sys.argv[1:])
except ValueError as e:
sys.exit(e)
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