added a script for plotting
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plot.py
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96
plot.py
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import sys
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import matplotlib.pyplot as plt
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from collections import deque
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#
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# Copyright(c) 2018 Daniel Knüttel
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#
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# This program 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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# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# Dieses Programm ist Freie Software: Sie können es unter den Bedingungen
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# der GNU General Public License, wie von der Free Software Foundation,
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# Version 3 der Lizenz oder (nach Ihrer Wahl) jeder neueren
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# veröffentlichten Version, weiterverbreiten und/oder modifizieren.
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#
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# Dieses Programm wird in der Hoffnung, dass es nützlich sein wird, aber
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# OHNE JEDE GEWÄHRLEISTUNG, bereitgestellt; sogar ohne die implizite
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# Gewährleistung der MARKTFÄHIGKEIT oder EIGNUNG FÜR EINEN BESTIMMTEN ZWECK.
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# Siehe die GNU General Public License für weitere Details.
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#
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# Sie sollten eine Kopie der GNU General Public License zusammen mit diesem
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# Programm erhalten haben. Wenn nicht, siehe <http://www.gnu.org/licenses/>.
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"""
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This script reads ``"x,y"`` values as lines from stdin and plots them.
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If a line ``"XXX"`` is received the script will start a new plot.
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Example::
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./main | python3 plot.py
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"""
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datax = deque()
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datay = deque()
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cnt = 0
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dpoints = 0
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error_occured = False
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for line in sys.stdin:
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if(line == "XXX\n"):
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if(not datax):
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continue
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plt.clf()
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plt.plot(datax, datay)
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plt.xlabel("N")
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plt.ylabel("Error")
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plt.savefig("{}.png".format(cnt))
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cnt += 1
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dpoints += len(datax)
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datax = deque()
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datay = deque()
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continue
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try:
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x, y = line.split(",")
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x = float(x)
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y = float(y)
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datax.append(x)
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datay.append(y)
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except Exception as e:
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print(line)
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print(e)
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error_occured = True
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break
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if(datax):
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plt.clf()
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plt.plot(datax, datay)
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plt.xlabel("N")
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plt.ylabel("Error")
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plt.savefig("{}.png".format(cnt))
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cnt += 1
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dpoints += len(datax)
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if(error_occured):
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print("Received malformed data and aborted early.")
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print("Created", cnt, "plots containing", dpoints, "points in total.")
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