2014-03-15 19:57:14 +00:00
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# This file is part of sensors2osc package
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#
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# sensors2osc 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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# sensors2osc 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 sensors2osc. If not, see <http://www.gnu.org/licenses/>.
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#
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# found the mjpeg part here, thanks for the nice code :)
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# http://hardsoftlucid.wordpress.com/2013/04/11/mjpeg-server-for-webcam-in-python-with-opencv/
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# the osc integration stuff is implemented by me
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#
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# Copyright (C) 2014 Stefan Kögl
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from __future__ import absolute_import
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import threading
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import Queue
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2014-03-13 03:22:06 +00:00
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import numpy as np
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import string,cgi,time, random, socket
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from os import curdir, sep
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from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
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from SocketServer import ThreadingMixIn, ForkingMixIn
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2014-03-11 17:35:45 +00:00
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import select
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2014-03-13 03:22:06 +00:00
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import re
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2014-03-11 17:35:45 +00:00
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from collections import deque
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2014-03-13 03:22:06 +00:00
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from PyQt4.QtCore import QBuffer, QByteArray, QIODevice
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from PyQt4 import QtGui
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import pyqtgraph as pg
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2014-03-11 17:35:45 +00:00
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2014-03-13 03:22:06 +00:00
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from pyqtgraph.widgets.PlotWidget import PlotWidget
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2014-03-15 19:57:14 +00:00
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from chaosc.argparser_groups import *
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QtGui.QApplication.setGraphicsSystem('raster')
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2014-03-13 03:22:06 +00:00
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try:
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from chaosc.c_osc_lib import decode_osc
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except ImportError as e:
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print(e)
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from chaosc.osc_lib import decode_osc
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2014-03-15 19:57:14 +00:00
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QAPP = QtGui.QApplication([])
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2014-03-13 03:22:06 +00:00
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class PlotWindow(PlotWidget):
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def __init__(self, title=None, **kargs):
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self.win = QtGui.QMainWindow()
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PlotWidget.__init__(self, **kargs)
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self.win.setCentralWidget(self)
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for m in ['resize']:
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setattr(self, m, getattr(self.win, m))
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if title is not None:
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self.win.setWindowTitle(title)
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2014-03-15 19:57:14 +00:00
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class OSCThread(threading.Thread):
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def __init__(self, args):
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super(OSCThread, self).__init__()
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self.running = True
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self.osc_sock = socket.socket(2, 2, 17)
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self.osc_sock.bind((args.own_host, args.own_port))
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self.osc_sock.setblocking(0)
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def run(self):
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while self.running:
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reads, writes, errs = select.select([self.osc_sock], [], [], 0.05)
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if reads:
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osc_input = reads[0].recv(4096)
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osc_address, typetags, messages = decode_osc(osc_input, 0, len(osc_input))
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if osc_address.find("ekg") > -1 or osc_address.find("plot") != -1:
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queue.put_nowait((osc_address, messages))
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else:
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queue.put_nowait(("/bjoern/ekg", [0]))
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queue.put_nowait(("/merle/ekg", [0]))
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queue.put_nowait(("/uwe/ekg", [0]))
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print "OSCThread is going down"
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queue = Queue.Queue()
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2014-03-13 03:22:06 +00:00
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class MyHandler(BaseHTTPRequestHandler):
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2014-03-15 19:57:14 +00:00
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2014-03-13 03:22:06 +00:00
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def do_GET(self):
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2014-03-15 19:57:14 +00:00
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self.thread = thread = OSCThread()
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thread.daemon = True
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thread.start()
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actors = list()
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is_item1 = True
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is_item2 = True
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is_item3 = True
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def setPositions():
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for ix, item in enumerate(actors):
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item.setPos(0, ix*6)
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def scale_data(data, ix, max_items):
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scale = 254 / max_items * ix
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return [value / max_items + scale for value in data]
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2014-03-13 03:22:06 +00:00
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try:
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2014-03-15 19:57:14 +00:00
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2014-03-13 03:22:06 +00:00
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self.path=re.sub('[^.a-zA-Z0-9]', "",str(self.path))
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if self.path=="" or self.path==None or self.path[:1]==".":
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return
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2014-03-15 19:57:14 +00:00
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2014-03-13 03:22:06 +00:00
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if self.path.endswith(".html"):
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f = open(curdir + sep + self.path)
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self.send_response(200)
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self.send_header('Content-type', 'text/html')
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self.end_headers()
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self.wfile.write(f.read())
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f.close()
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2014-03-15 19:57:14 +00:00
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elif self.path.endswith(".mjpeg"):
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data_points = 1000
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2014-03-13 03:22:06 +00:00
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2014-03-15 19:57:14 +00:00
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self.send_response(200)
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plot_data1 = data = deque([0] * data_points)
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plot_data2 = data = deque([0] * data_points)
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plot_data3 = data = deque([0] * data_points)
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plt = PlotWidget(title="<h1>EKG</h1>", name="Merle")
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plt.hide()
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plotItem1 = pg.PlotCurveItem(pen=pg.mkPen('r', width=2), name="bjoern")
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plotItem2 = pg.PlotCurveItem(pen=pg.mkPen('g', width=2), name="merle")
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plotItem3 = pg.PlotCurveItem(pen=pg.mkPen('b', width=2), name="uwe")
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print type(plotItem1)
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pen = pg.mkPen(254, 254, 254)
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plotItem1.setShadowPen(pen=pen, width=6, cosmetic=True)
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plotItem2.setShadowPen(pen=pen, width=6, cosmetic=True)
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plotItem3.setShadowPen(pen=pen, width=6, cosmetic=True)
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actors.append(plotItem1)
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actors.append(plotItem2)
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actors.append(plotItem3)
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plotItem1.setPos(0, 0*6)
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plotItem2.setPos(0, 1*6)
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plotItem3.setPos(0, 2*6)
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plt.addItem(plotItem1)
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plt.addItem(plotItem2)
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plt.addItem(plotItem3)
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2014-03-15 19:57:14 +00:00
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plt.setLabel('left', "<h2>Amplitude</h2>")
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plt.setLabel('bottom', "<h2>Time</h2>")
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plt.showGrid(True, True)
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ba = plt.getAxis("bottom")
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bl = plt.getAxis("left")
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ba.setTicks([])
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bl.setTicks([])
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plt.setYRange(0, 254)
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2014-03-15 19:57:14 +00:00
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2014-03-13 03:22:06 +00:00
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self.wfile.write("Content-Type: multipart/x-mixed-replace; boundary=--aaboundary")
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self.wfile.write("\r\n\r\n")
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2014-03-15 19:57:14 +00:00
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plt.resize(1280, 720)
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while 1:
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2014-03-15 19:57:14 +00:00
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while 1:
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try:
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osc_address, args = queue.get_nowait()
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except Queue.Empty:
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break
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value = args[0]
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if osc_address == "/bjoern/ekg":
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plot_data1.append(value)
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plot_data1.popleft()
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try:
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plotItem1.setData(y=np.array(scale_data(plot_data1, actors.index(plotItem1), len(actors))), clear=True)
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except ValueError:
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pass
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elif osc_address == "/merle/ekg":
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plot_data2.append(value)
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plot_data2.popleft()
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try:
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plotItem2.setData(y=np.array(scale_data(plot_data2, actors.index(plotItem2), len(actors))), clear=True)
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except ValueError:
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pass
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elif osc_address == "/uwe/ekg":
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plot_data3.append(value)
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plot_data3.popleft()
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try:
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plotItem3.setData(y=np.array(scale_data(plot_data3, actors.index(plotItem3), len(actors))), clear=True)
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except ValueError:
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pass
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elif osc_address == "/plot/uwe":
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if value == 1 and is_item3 == False:
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print "uwe on"
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plt.addItem(plotItem3)
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is_item3 = True
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actors.append(plotItem3)
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setPositions()
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elif value == 0 and is_item3 == True:
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print "uwe off"
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plt.removeItem(plotItem3)
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is_item3 = False
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actors.remove(plotItem3)
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setPositions()
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elif osc_address == "/plot/merle":
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if value == 1 and is_item2 == False:
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print "merle on"
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plt.addItem(plotItem2)
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is_item2 = True
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actors.append(plotItem2)
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setPositions()
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elif value == 0 and is_item2 == True:
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print "merle off"
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plt.removeItem(plotItem2)
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is_item2 = False
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actors.remove(plotItem2)
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setPositions()
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elif osc_address == "/plot/bjoern":
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if value == 1 and is_item1 == False:
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print "bjoern on"
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plt.addItem(plotItem1)
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is_item1 = True
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actors.append(plotItem1)
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setPositions()
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elif value == 0 and is_item1 == True:
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print "bjoern off"
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plt.removeItem(plotItem1)
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is_item1 = False
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actors.remove(plotItem1)
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setPositions()
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2014-03-13 03:22:06 +00:00
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exporter = pg.exporters.ImageExporter.ImageExporter(plt.plotItem)
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2014-03-15 19:57:14 +00:00
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img = exporter.export("tmpfile", True)
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2014-03-13 03:22:06 +00:00
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buffer = QBuffer()
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2014-03-15 19:57:14 +00:00
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buffer.open(QIODevice.WriteOnly)
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2014-03-13 03:22:06 +00:00
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img.save(buffer, "JPG", 100)
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JpegData = buffer.data()
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2014-03-15 19:57:14 +00:00
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del buffer
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self.wfile.write("--aaboundary\r\nContent-Type: image/jpeg\r\nContent-length: %d\r\n\r\n%s\r\n\r\n\r\n" % (len(JpegData), JpegData))
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elif self.path.endswith(".jpeg"):
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2014-03-13 03:22:06 +00:00
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f = open(curdir + sep + self.path)
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self.send_response(200)
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self.send_header('Content-type','image/jpeg')
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self.end_headers()
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self.wfile.write(f.read())
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f.close()
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return
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2014-03-15 19:57:14 +00:00
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except (KeyboardInterrupt, SystemError):
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thread.running = False
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thread.join()
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2014-03-13 03:22:06 +00:00
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except IOError:
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self.send_error(404,'File Not Found: %s' % self.path)
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2014-03-15 19:57:14 +00:00
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def __del__(self):
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self.thread.running = False
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self.thread.join()
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class JustAHTTPServer(HTTPServer):
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pass
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2014-03-13 03:22:06 +00:00
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2014-03-11 17:35:45 +00:00
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def main():
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2014-03-15 19:57:14 +00:00
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a = create_arg_parser("ekgplotter")
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add_main_group(a)
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add_chaosc_group(a)
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add_subscriber_group(a, "ekgplotter")
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args = finalize_arg_parser(a)
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2014-03-13 03:22:06 +00:00
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try:
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2014-03-15 19:57:14 +00:00
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server = JustAHTTPServer(('0.0.0.0', 9000), MyHandler)
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2014-03-13 03:22:06 +00:00
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print 'started httpserver...'
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server.serve_forever()
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except KeyboardInterrupt:
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print '^C received, shutting down server'
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server.socket.close()
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2014-03-15 19:57:14 +00:00
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2014-03-13 03:22:06 +00:00
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if __name__ == '__main__':
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main()
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2014-03-15 19:57:14 +00:00
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