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#!/usr/bin/env python
# Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.org/sumo
# Copyright (C) 2014-2020 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'))
import sumolib # noqa
from sumolib.visualization import helpers # noqa
import matplotlib.pyplot as plt # noqa
def readValues(file, verbose, columns):
ret = {}
with open(file, 'rb') 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 ----------
from optparse import OptionParser
optParser = OptionParser()
optParser.add_option("-i", "--input", dest="input", metavar="FILE",
help="Defines the input file to use")
optParser.add_option("-v", "--verbose", dest="verbose", action="store_true",
default=False, help="If set, the script says what it's doing")
optParser.add_option("-c", "--columns", dest="columns",
default=None, help="Defines which columns shall be plotted")
# standard plot options
helpers.addInteractionOptions(optParser)
helpers.addPlotOptions(optParser)
# parse
options, _ = optParser.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))
plt.plot(ts[0:len(v)], v, label=helpers.getLabel(str(i), ci, options), color=c)
helpers.closeFigure(fig, ax, options)
if __name__ == "__main__":
sys.exit(main(sys.argv))
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