made ekgplotter ready for ipv4_only

This commit is contained in:
Stefan Kögl 2014-03-25 22:26:19 +01:00
parent 9bcdc6b377
commit 8dc6e67d1d
6 changed files with 1512 additions and 50 deletions

View File

@ -0,0 +1,106 @@
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from collections import deque
data_points = 20
item_data1 = deque([0] * data_points)
pos1 = 0
lengths = [0]
item_point1 = 0
def set_point(plotPoint, pos, value, ix, max_items):
scale = 254 / max_items * ix
return 6 * ix + value / max_items + scale
def find_max_value(item_data):
max_value = 0
max_index = 0
for ix, i in enumerate(item_data):
if i > max_value:
max_value = i
max_index = ix
return max_index, max_value
def rearrange(item_data, actual_pos, max_items):
max_value_index, max_value = find_max_value(item_data)
mean = int(max_items / 2.)
start = mean - max_value_index
if start != 0:
item_data.rotate(start)
pos = (actual_pos + start) % max_items
else:
pos = actual_pos
print "rearrange", mean, start, actual_pos, pos, item_data
return pos
def set_value(item_data, pos, max_pos, value):
print "setValue before", pos, None, max_pos, value, item_data
item_data[pos] = value
new_pos = (pos + 1) % max_pos
print "setValue after ", pos, new_pos, max_pos, value, item_data
return new_pos
def resize(item_data, max_length, new_max_length):
if new_max_length > max_length:
pad = (new_max_length - max_length)
print "pad", pad
item_data.extend([0] * pad)
return new_max_length
else:
return max_length
for value in data:
if value > 250:
data_points = resize(item_data1, data_points, lengths[-1])
lengths.append(0)
else:
lengths[-1] += 1
ix = 0
set_point(None, pos1, value, ix, 3)
pos1 = set_value(item_data1, pos1, data_points, value)
pos1 = rearrange(item_data1, pos1, data_points)
print
print "lengths", lengths

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@ -0,0 +1,266 @@
# -*- coding: utf-8 -*-
"""
Demonstrates use of PlotWidget class. This is little more than a
GraphicsView with a PlotItem placed in its center.
"""
from collections import deque
from PyQt4 import QtNetwork
from pyqtgraph.Qt import QtGui, QtCore
import numpy as np
import pyqtgraph as pg
import numpy as np
try:
from chaosc.c_osc_lib import decode_osc
except ImportError as e:
print(e)
from chaosc.osc_lib import decode_osc
class OSCPlotter(QtGui.QWidget):
def __init__(self, parent=None):
super(OSCPlotter, self).__init__(parent)
self.plot_data1 = deque([0] * 100)
self.plot_data2 = deque([254 * 0.3] * 100)
self.plot_data3 = deque([254 * 0.6] * 100)
self.is_item1 = True
self.is_item2 = True
self.is_item3 = True
self.osc_sock = QtNetwork.QUdpSocket(self)
self.osc_sock.bind(10000)
self.osc_sock.readyRead.connect(self.receive_osc)
self.tcpServer = QtNetwork.QTcpServer(self)
self.tcpServer.listen(QtNetwork.QHostAddress("0.0.0.0"), 9000)
self.tcpServer.newConnection.connect(self.addConnection)
self.connections = []
self.streams = []
self.streaming_timer = QtCore.QTimer(self)
self.streaming_timer.timeout.connect(self.sendMJpeg)
self.streaming_timer.start(20)
def addConnection(self):
clientConnection = self.tcpServer.nextPendingConnection()
#clientConnection.nextBlockSize = 0
self.connections.append(clientConnection)
clientConnection.readyRead.connect(self.receiveMessage)
clientConnection.disconnected.connect(self.removeConnection)
clientConnection.error.connect(self.socketError)
def removeConnection(self):
pass
def socketError(self):
pass
def receiveMessage(self):
for ix, s in enumerate(self.connections):
if s.bytesAvailable() > 0:
stream = QtCore.QDataStream(s)
stream.setVersion(QtCore.QDataStream.Qt_4_8)
#if s.nextBlockSize == 0:
#if s.bytesAvailable() < 4:
#return
#s.nextBlockSize = stream.readUInt32()
#if s.bytesAvailable() < s.nextBlockSize:
#return
textFromClient = stream.readRawData(s.bytesAvailable())
print "data", repr(textFromClient)
socketId = s.socketDescriptor()
if textFromClient.startswith("GET /index.html"):
self.sendMessage("HTTP/1.1 200 Ok\r\nContent-Language: en\r\nContent-type: text/html; charset=\"utf-8\"\r\n\r\n" + open("index.html").read() + "\r\n\r\n",
s.socketDescriptor())
elif textFromClient.startswith("GET /camera.jpg"):
self.sendImage(socketId)
elif textFromClient.startswith("GET /camera.mjpeg"):
self.prepareMJpeg(socketId)
#self.sendImage(s.socketDescriptor())
else:
self.sendMessage("HTTP/1.1 404 Not Found\r\n\r\n", s.socketDescriptor())
def sendMessage(self, text, socketId):
for s in self.connections:
if s.socketDescriptor() == socketId:
print "sendMessage"
reply = QtCore.QByteArray()
stream = QtCore.QDataStream(reply, QtCore.QIODevice.WriteOnly)
#stream.setVersion(QtCore.QDataStream.Qt_4_8)
stream.writeString(text)
s.write(reply)
s.close()
def prepareMJpeg(self, socketId):
for s in self.connections:
if s.socketDescriptor() == socketId:
self.streams.append(socketId)
reply = QtCore.QByteArray()
stream = QtCore.QDataStream(reply, QtCore.QIODevice.WriteOnly)
stream.setVersion(QtCore.QDataStream.Qt_4_8)
stream.writeRawData("HTTP/1.1 200 OK\r\nContent-Type: multipart/x-mixed-replace; boundary=--aaboundary\r\n\r\n")
s.write(reply)
#s.close()
def sendMJpeg(self):
reply = QtCore.QByteArray()
stream = QtCore.QDataStream(reply, QtCore.QIODevice.WriteOnly)
stream.setVersion(QtCore.QDataStream.Qt_4_8)
stream.writeRawData("--aaboundary\r\nContent-Type: image/jpeg\r\nContent-length: %d\r\n\r\n%s\r\n\r\n\r\n" % (len(self.jpeg_data), self.jpeg_data))
for socketId in self.streams:
for connection in self.connections:
if connection.socketDescriptor() == socketId:
connection.write(reply)
#connection.close()
def sendImage(self, socketId):
for connection in self.connections:
if connection.socketDescriptor() == socketId:
reply = QtCore.QByteArray()
stream = QtCore.QDataStream(reply, QtCore.QIODevice.WriteOnly)
stream.setVersion(QtCore.QDataStream.Qt_4_8)
#tmp = open("camera.jpg", "rb").read()
header = QtCore.QString("HTTP/1.1 200 OK\r\nContent-Type: image/jpeg\r\nContent-length: %d\r\n\r\n" % len(self.jpeg_data))
stream.writeRawData(header)
stream.writeRawData(self.jpeg_data)
stream.writeRawData("\r\n\r\n\r\n")
connection.write(reply)
connection.close()
def init(self):
self.plt = pg.PlotWidget(name='EKG') ## giving the plots names allows us to link their axes together
#self.legend = self.plt.addLegend()
l = QtGui.QVBoxLayout()
self.statusLabel = QtGui.QLabel("Listening for broadcasted messages")
self.setLayout(l)
l.addWidget(self.plt)
l.addWidget(self.statusLabel)
self.plotItem1 = pg.PlotCurveItem(pen=pg.mkPen('r', width=4), name="bjoern")
self.plotItem2 = pg.PlotCurveItem(pen=pg.mkPen('g', width=4), name="merle")
self.plotItem3 = pg.PlotCurveItem(pen=pg.mkPen('b', width=4), name="uwe")
#self.plotItem1.setPos(0, 0*6)
#self.plotItem2.setPos(0, 1*6)
#self.plotItem3.setPos(0, 2*6)
self.plt.addItem(self.plotItem1)
self.plt.addItem(self.plotItem2)
self.plt.addItem(self.plotItem3)
self.plt.setLabel('left', "EKG")
self.plt.setLabel('bottom', "Time")
self.plt.showGrid(True, True)
ba = self.plt.getAxis("bottom")
bl = self.plt.getAxis("left")
ba.setTicks([])
bl.setTicks([])
self.plt.setYRange(0, 254)
self.plotItem1.setData(y=np.array(self.plot_data1), clear=True)
self.plotItem2.setData(y=np.array(self.plot_data2), clear=True)
self.plotItem3.setData(y=np.array(self.plot_data3), clear=True)
#self.plotItem1.setShadowPen(pg.mkPen((200, 200, 200), width=6, cosmetic=True))
#self.plotItem2.setShadowPen(pg.mkPen((200, 200, 200), width=6, cosmetic=True))
#self.plotItem3.setShadowPen(pg.mkPen((200, 200, 200), width=6, cosmetic=True))
def receive_osc(self):
#print "receive_osc"
while self.osc_sock.hasPendingDatagrams():
packet, address, port = self.osc_sock.readDatagram(self.osc_sock.pendingDatagramSize())
osc_address, typetags, args = decode_osc(packet, 0, len(packet))
#print "osc", osc_address, args[0]
self.statusLabel.setText(osc_address)
update = False
if osc_address == "/bjoern/ekg":
self.plot_data1.appendleft(args[0] / 3)
self.plot_data1.pop()
update = True
elif osc_address == "/merle/ekg":
self.plot_data2.appendleft(args[0] / 3 + 254/3)
self.plot_data2.pop()
update = True
elif osc_address == "/uwe/ekg":
self.plot_data3.appendleft(args[0] /3 + 254/3*2)
self.plot_data3.pop()
update = True
#elif osc_address == "/plot/uwe":
#if args[0] == 1 and self.is_item3 == False:
#self.plt.addItem(self.plotItem3)
#self.is_item3 = True
##self.legend.addItem(self.plotItem3, "uwe")
#elif args[0] == 0 and self.is_item3 == True:
#self.plt.removeItem(self.plotItem3)
#self.is_item3 = False
##self.legend.removeItem("uwe")
#elif osc_address == "/plot/merle":
#if args[0] == 1 and self.is_item2 == False:
#self.plt.addItem(self.plotItem2)
#self.is_item2 = True
##self.legend.addItem(self.plotItem2, "merle")
#elif args[0] == 0 and self.is_item2 == True:
#self.plt.removeItem(self.plotItem2)
#self.is_item2 = True
##self.legend.removeItem("merle")
#elif osc_address == "/plot/bjoern":
#if args[0] == 1 and self.is_item1 == False:
#self.plt.addItem(self.plotItem1)
#self.is_item1 = True
##self.legend.addItem(self.plotItem1, name="bjoern")
#elif args[0] == 0 and self.is_item1 == True:
#self.plt.removeItem(self.plotItem1)
#self.is_item1 = False
##self.legend.removeItem("bjoern")
if update:
self.plotItem1.setData(y=np.array(self.plot_data1), clear=True)
self.plotItem2.setData(y=np.array(self.plot_data2), clear=True)
self.plotItem3.setData(y=np.array(self.plot_data3), clear=True)
#item = plt.plot(plot_data1, pen=(0, 3*1.3), clear=True)
exporter = pg.exporters.ImageExporter.ImageExporter(self.plt.plotItem)
exporter.parameters()['width'] = 1280
#exporter.parameters()['height'] = 720
name = 'tmpfile'
img = exporter.export(name, True)
buffer = QtCore.QBuffer()
buffer.open(QtCore.QIODevice.ReadWrite)
img.save(buffer, "JPG", 100)
self.jpeg_data = buffer.data()
#QtGui.QApplication.setGraphicsSystem('raster')
app = QtGui.QApplication([])
mw = QtGui.QMainWindow()
mw.setWindowTitle('pyqtgraph example: PlotWidget')
mw.resize(1280, 720)
cw = OSCPlotter()
cw.init()
mw.setCentralWidget(cw)
mw.show()
## Start Qt event loop unless running in interactive mode or using pyside.
if __name__ == '__main__':
import sys
if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
QtGui.QApplication.instance().exec_()

View File

@ -55,10 +55,10 @@ from pyqtgraph.widgets.PlotWidget import PlotWidget
from chaosc.argparser_groups import * from chaosc.argparser_groups import *
from chaosc.lib import resolve_host from chaosc.lib import resolve_host
#try: try:
#from chaosc.c_osc_lib import * from chaosc.c_osc_lib import *
#except ImportError: except ImportError:
from chaosc.osc_lib import * from chaosc.osc_lib import *
try: try:
@ -69,16 +69,18 @@ except ImportError as e:
class OSCThread(threading.Thread): class OSCThread(threading.Thread):
def __init__(self, args): def __init__(self, args):
super(OSCThread, self).__init__() super(OSCThread, self).__init__()
self.args = args self.args = args
self.running = True self.running = True
self.own_address = socket.getaddrinfo(args.own_host, args.own_port, socket.AF_INET6, socket.SOCK_DGRAM, 0, socket.AI_V4MAPPED | socket.AI_ALL | socket.AI_CANONNAME)[-1][4][:2]
self.chaosc_address = chaosc_host, chaosc_port = socket.getaddrinfo(args.chaosc_host, args.chaosc_port, socket.AF_INET6, socket.SOCK_DGRAM, 0, socket.AI_V4MAPPED | socket.AI_ALL | socket.AI_CANONNAME)[-1][4][:2] self.own_address = resolve_host(args.own_host, args.own_port, args.address_family)
self.osc_sock = socket.socket(10, 2, 17) self.chaosc_address = chaosc_host, chaosc_port = resolve_host(args.chaosc_host, args.chaosc_port, args.address_family)
self.osc_sock = socket.socket(args.address_family, 2, 17)
self.osc_sock.bind(self.own_address) self.osc_sock.bind(self.own_address)
self.osc_sock.setblocking(0) self.osc_sock.setblocking(0)
@ -125,10 +127,11 @@ class OSCThread(threading.Thread):
while self.running: while self.running:
reads, writes, errs = select.select([self.osc_sock], [], [], 0.05) reads, writes, errs = select.select([self.osc_sock], [], [], 0.05)
if reads: if reads:
osc_input = reads[0].recv(4096) osc_input = reads[0].recv(128)
osc_address, typetags, messages = decode_osc(osc_input, 0, len(osc_input)) osc_address, typetags, messages = decode_osc(osc_input, 0, len(osc_input))
#print("thread osc_address", osc_address) #print("thread osc_address", osc_address)
if osc_address.find(b"ekg") > -1 or osc_address.find(b"plot") != -1: if osc_address.find(b"ekg") > -1 or osc_address.find(b"plot") != -1:
#print("send", osc_address)
msg_queue.put_nowait((osc_address, messages)) msg_queue.put_nowait((osc_address, messages))
else: else:
msg_queue.put_nowait((b"/bjoern/ekg", [0])) msg_queue.put_nowait((b"/bjoern/ekg", [0]))
@ -220,7 +223,6 @@ class Actor(object):
class EkgPlot(object): class EkgPlot(object):
def __init__(self, actor_names, num_data, colors): def __init__(self, actor_names, num_data, colors):
self.qtapp = QtGui.QApplication([])
self.plot = pg.PlotWidget(title="<h1>EKG</h1>") self.plot = pg.PlotWidget(title="<h1>EKG</h1>")
self.plot.setAttribute(QtCore.Qt.WA_DeleteOnClose) self.plot.setAttribute(QtCore.Qt.WA_DeleteOnClose)
self.plot.hide() self.plot.hide()
@ -269,34 +271,50 @@ class EkgPlot(object):
def update(self, osc_address, value): def update(self, osc_address, value):
print("update"), osc_address
res = self.ekg_regex.match(osc_address) res = self.ekg_regex.match(osc_address)
if res: if res:
#print("matched data")
actor_name = res.group(1) actor_name = res.group(1)
actor_obj = self.actors[actor_name] actor_obj = self.actors[actor_name]
max_actors = len(self.active_actors) max_actors = len(self.active_actors)
ix = self.active_actors.index(actor_obj)
actor_data = actor_obj.data actor_data = actor_obj.data
data_pointer = actor_obj.data_pointer data_pointer = actor_obj.data_pointer
actor_data[data_pointer] = value actor_data[data_pointer] = value
actor_obj.set_point(value, ix, max_actors) try:
ix = self.active_actors.index(actor_obj)
actor_obj.set_point(value, ix, max_actors)
actor_obj.plotItem.setData(y=np.array(actor_obj.scale_data(ix, max_actors)), clear=True)
except ValueError as e:
#print("data", e)
pass
actor_obj.data_pointer = (data_pointer + 1) % self.num_data actor_obj.data_pointer = (data_pointer + 1) % self.num_data
actor_obj.plotItem.setData(y=np.array(actor_obj.scale_data(ix, max_actors)), clear=True)
return return
res = self.ctl_regex.match(osc_address) res = self.ctl_regex.match(osc_address)
if res: if res:
actor_name = res.group(1) actor_name = res.group(1)
actor_obj = self.actors[actor_name] actor_obj = self.actors[actor_name]
#print("matched ctl", value, actor_name, actor_obj.active)
if value == 1 and not actor_obj.active: if value == 1 and not actor_obj.active:
print("actor on", actor_name) #print("actor on", actor_name, actor_obj, self.active_actors)
self.plot.addItem(actor_obj)
actor_obj.active = True actor_obj.active = True
self.active_actors.append(actor_obj) if actor_obj not in self.active_actors:
elif value == 0 and not actor_obj.active: self.plot.addItem(actor_obj.plotItem)
print("actor off", actor_name) self.plot.addItem(actor_obj.plotPoint)
self.plot.removeItem(actor_obj) self.active_actors.append(actor_obj)
actor_obj.active = True assert actor_obj in self.active_actors
self.active_actors.remove(actor_obj) elif value == 0 and actor_obj.active:
#print("actor off", actor_name, actor_obj, self.active_actors)
actor_obj.active = False
self.plot.removeItem(actor_obj.plotItem)
self.plot.removeItem(actor_obj.plotPoint)
try:
self.active_actors.remove(actor_obj)
except ValueError as e:
#print("ctl", e)
pass
assert actor_obj not in self.active_actors
self.set_positions() self.set_positions()
@ -362,9 +380,7 @@ class MyHandler(BaseHTTPRequestHandler):
print("children", plotter.plot.children()) print("children", plotter.plot.children())
plotter.plot.deleteLater() plotter.plot.deleteLater()
plotter.plot.close() plotter.plot.close()
self.plotter.qtapp.processEvents()
del self.plotter.plot del self.plotter.plot
del self.plotter.qtapp
del self.plotter del self.plotter
del plotter del plotter
thread.running = False thread.running = False
@ -394,61 +410,49 @@ class MyHandler(BaseHTTPRequestHandler):
self.wfile.write(data) self.wfile.write(data)
return return
except (KeyboardInterrupt, SystemError): except (KeyboardInterrupt, SystemError):
print("queue size", queue.qsize()) print("queue size", msg_queue.qsize())
thread.running = False thread.running = False
thread.join() thread.join()
if hasattr(self, "plotter"): if hasattr(self, "plotter"):
plotter.plot.deleteLater() plotter.plot.deleteLater()
except IOError: except IOError as e:
print("ioerror", e)
print('-'*40)
print('Exception happened during processing of request from')
import traceback
traceback.print_exc() # XXX But this goes to stderr!
print( '-'*40)
self.send_error(404,'File Not Found: %s' % self.path) self.send_error(404,'File Not Found: %s' % self.path)
class JustAHTTPServer(HTTPServer): class JustAHTTPServer(HTTPServer):
address_family = socket.AF_INET6
pass pass
def main(): def main():
a = create_arg_parser("ekgplotter") arg_parser = create_arg_parser("ekgplotter")
own_group = add_main_group(a) own_group = add_main_group(arg_parser)
own_group.add_argument('-x', "--http_host", default="::", own_group.add_argument('-x', "--http_host", default="::",
help='my host, defaults to "socket.gethostname()"') help='my host, defaults to "socket.gethostname()"')
own_group.add_argument('-X', "--http_port", default=9000, own_group.add_argument('-X', "--http_port", default=9000,
type=int, help='my port, defaults to 9000') type=int, help='my port, defaults to 9000')
add_chaosc_group(a) add_chaosc_group(arg_parser)
add_subscriber_group(a, "ekgplotter") add_subscriber_group(arg_parser, "ekgplotter")
args = finalize_arg_parser(a) args = finalize_arg_parser(arg_parser)
qtapp = QtGui.QApplication([])
http_host, http_port = resolve_host(args.http_host, args.http_port) http_host, http_port = resolve_host(args.http_host, args.http_port, args.address_family)
print(http_host, http_port)
server = JustAHTTPServer((http_host, http_port), MyHandler) server = JustAHTTPServer((http_host, http_port), MyHandler)
server.address_family = args.address_family
server.args = args server.args = args
print("%s: starting up http server on '%s:%d'" % ( print("%s: starting up http server on '%s:%d'" % (
datetime.now().strftime("%x %X"), http_host, http_port)) datetime.now().strftime("%x %X"), http_host, http_port))
print("before start:")
#objgraph.show_growth()
try: try:
server.serve_forever() server.serve_forever()
except KeyboardInterrupt: except KeyboardInterrupt:
print('^C received, shutting down server')
print()
#print(gc.garbage)
#print()
#print "queue size", queue.qsize()
#print "show growth", objgraph.show_growth()
#import random
#objgraph.show_chain(
#objgraph.find_backref_chain(
#random.choice(objgraph.by_type('function')),
#objgraph.is_proper_module),
#filename='chain.png')
#roots = objgraph.get_leaking_objects()
#print "root", len(roots)
#objgraph.show_most_common_types(objects=roots)
#objgraph.show_refs(roots[:3], refcounts=True, filename='roots.png')
server.socket.close() server.socket.close()

View File

@ -0,0 +1,217 @@
import numpy as np
import string,cgi,time, random, socket
from os import curdir, sep
from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
from SocketServer import ThreadingMixIn, ForkingMixIn
import select
import re
from collections import deque
from PyQt4.QtCore import QBuffer, QByteArray, QIODevice, QThread, QObject
from PyQt4 import QtGui
from PyQt4 import QtCore
import pyqtgraph as pg
from pyqtgraph.widgets.PlotWidget import PlotWidget
try:
from chaosc.c_osc_lib import decode_osc
except ImportError as e:
print(e)
from chaosc.osc_lib import decode_osc
QAPP = None
def mkQApp():
if QtGui.QApplication.instance() is None:
global QAPP
QAPP = QtGui.QApplication([])
class PlotWindow(PlotWidget):
def __init__(self, title=None, **kargs):
mkQApp()
self.win = QtGui.QMainWindow()
PlotWidget.__init__(self, **kargs)
self.win.setCentralWidget(self)
for m in ['resize']:
setattr(self, m, getattr(self.win, m))
if title is not None:
self.win.setWindowTitle(title)
class WorkThread(QThread):
osc_received = QtCore.pyqtSignal(str, int, name='osc_received')
def __init__(self):
QThread.__init__(self)
self.osc_sock = socket.socket(2, 2, 17)
self.osc_sock.setblocking(0)
self.osc_sock.setsockopt(socket.SOL_SOCKET,
socket.SO_RCVBUF, 4096 * 8)
self.osc_sock.bind(("", 10000))
def __del__(self):
self.wait()
def run(self):
while 1:
reads, writes, errs = select.select([self.osc_sock], [], [], 0.01)
if reads:
osc_input = reads[0].recv(4096)
osc_address, typetags, args = decode_osc(osc_input, 0, len(osc_input))
print "signal", osc_address, args[0]
self.osc_received.emit(osc_address, args[0])
class MyHandler(QtCore.QObject, BaseHTTPRequestHandler):
def __init__(self, request, client_address, parent):
self.plot_data1 = deque([0] * 100)
self.plot_data2 = deque([254/3] * 100)
self.plot_data3 = deque([254/3*2] * 100)
self.is_item1 = True
self.is_item2 = True
self.is_item3 = True
QtCore.QObject.__init__(self)
BaseHTTPRequestHandler.__init__(self, request, client_address, parent)
@QtCore.pyqtSlot('QString', int, name="receive_osc")
def receive_osc(self, osc_address, value):
print "change", osc_address, value
if osc_address == "/bjoern/ekg":
self.plot_data1.appendleft(args[0] / 3)
self.plot_data1.pop()
elif osc_address == "/merle/ekg":
self.plot_data2.appendleft(args[0] / 3 + 254/3)
self.plot_data2.pop()
elif osc_address == "/uwe/ekg":
self.plot_data3.appendleft(args[0] / 3 + 254/3*2)
self.plot_data3.pop()
elif osc_address == "/plot/uwe":
if value == 1 and self.is_item3 == False:
self.plt.addItem(self.plotItem3)
elif value == 0 and self.is_item3 == True:
self.plt.removeItem(self.plotItem3)
elif osc_address == "/plot/merle":
if value == 1 and self.is_item2 == False:
self.plt.addItem(self.plotItem2)
elif value == 0 and self.is_item2 == True:
self.plt.removeItem(self.plotItem2)
elif osc_address == "/plot/bjoern":
if value == 1 and self.is_item1 == False:
self.plt.addItem(self.plotItem1)
elif value == 0 and self.is_item1 == True:
self.plt.removeItem(self.plotItem1)
def do_GET(self):
print "get"
global plotValues
try:
self.path=re.sub('[^.a-zA-Z0-9]', "",str(self.path))
if self.path=="" or self.path==None or self.path[:1]==".":
return
if self.path.endswith(".html"):
f = open(curdir + sep + self.path)
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
self.wfile.write(f.read())
f.close()
return
if self.path.endswith(".mjpeg"):
self.thread = WorkThread()
#self.thread.osc_received.connect(self.change)
#self.connect(self.thread, thread.osc_received, self.change)
self.thread.osc_received.connect(self.receive_osc)
self.thread.start()
self.send_response(200)
self.plt = plt = PlotWindow(title="EKG", name="Merle")
plt.addLegend()
#plt = pg.plot(pen=(0, 3*1.3))
plt.resize(1280, 720)
self.plotItem1 = plotItem1 = pg.PlotCurveItem(pen=pg.mkPen('r', width=4), name="bjoern")
self.plotItem2 = plotItem2 = pg.PlotCurveItem(pen=pg.mkPen('g', width=4), name="merle")
self.plotItem3 = plotItem3 = pg.PlotCurveItem(pen=pg.mkPen('b', width=4), name="uwe")
plotItem1.setPos(0, 0*6)
plotItem2.setPos(0, 1*6)
plotItem3.setPos(0, 2*6)
plt.addItem(plotItem1)
plt.addItem(plotItem2)
plt.addItem(plotItem3)
plt.setLabel('left', "EKG")
plt.setLabel('bottom', "Time")
plt.showGrid(True, True)
ba = plt.getAxis("bottom")
bl = plt.getAxis("left")
ba.setTicks([])
bl.setTicks([])
plt.setYRange(0, 254)
#print type(plt)
self.wfile.write("Content-Type: multipart/x-mixed-replace; boundary=--aaboundary")
self.wfile.write("\r\n\r\n")
last = time.time()
now = last
while 1:
plotItem1.setData(y=np.array(self.plot_data1), clear=True)
plotItem2.setData(y=np.array(self.plot_data2), clear=True)
plotItem3.setData(y=np.array(self.plot_data3), clear=True)
#item = plt.plot(plot_data1, pen=(0, 3*1.3), clear=True)
exporter = pg.exporters.ImageExporter.ImageExporter(plt.plotItem)
exporter.parameters()['width'] = 1280
#exporter.parameters()['height'] = 720
name = 'tmpfile'
img = exporter.export(name, True)
buffer = QBuffer()
buffer.open(QIODevice.ReadWrite)
img.save(buffer, "JPG", 100)
JpegData = buffer.data()
self.wfile.write("--aaboundary\r\n")
self.wfile.write("Content-Type: image/jpeg\r\n")
self.wfile.write("Content-length: %d\r\n\r\n" % len(JpegData))
self.wfile.write(JpegData)
self.wfile.write("\r\n\r\n\r\n")
now = time.time()
dur = now - last
#print dur
wait = 0.04 - dur
if wait > 0:
time.sleep(wait)
last = now
return
if self.path.endswith(".jpeg"):
f = open(curdir + sep + self.path)
self.send_response(200)
self.send_header('Content-type','image/jpeg')
self.end_headers()
self.wfile.write(f.read())
f.close()
return
return
except IOError:
self.send_error(404,'File Not Found: %s' % self.path)
class ThreadedHTTPServer(HTTPServer, ForkingMixIn):
"""Handle requests in a separate process."""
def main():
try:
server = ThreadedHTTPServer(('0.0.0.0', 9000), MyHandler)
print 'started httpserver...'
server.serve_forever()
except KeyboardInterrupt:
print '^C received, shutting down server'
server.socket.close()
if __name__ == '__main__':
main()

View File

@ -0,0 +1,461 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
# This file is part of sensors2osc package
#
# sensors2osc is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# sensors2osc is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with sensors2osc. If not, see <http://www.gnu.org/licenses/>.
#
# found the mjpeg part here, thanks for the nice code :)
# http://hardsoftlucid.wordpress.com/2013/04/11/mjpeg-server-for-webcam-in-python-with-opencv/
# the osc integration stuff is implemented by me
#
# Copyright (C) 2014 Stefan Kögl
from __future__ import absolute_import
from datetime import datetime
import threading
import Queue
import numpy as np
import string,cgi,time, random, socket
from os import curdir, sep
from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
from SocketServer import ThreadingMixIn, ForkingMixIn
import select
import re
from collections import deque
from PyQt4.QtCore import QBuffer, QByteArray, QIODevice
from PyQt4 import QtGui
import pyqtgraph as pg
from pyqtgraph.widgets.PlotWidget import PlotWidget
from chaosc.argparser_groups import *
try:
from chaosc.c_osc_lib import *
except ImportError:
from chaosc.osc_lib import *
QtGui.QApplication.setGraphicsSystem('opengl')
try:
from chaosc.c_osc_lib import decode_osc
except ImportError as e:
print(e)
from chaosc.osc_lib import decode_osc
QAPP = QtGui.QApplication([])
class PlotWindow(PlotWidget):
def __init__(self, title=None, **kargs):
self.win = QtGui.QMainWindow()
PlotWidget.__init__(self, **kargs)
self.win.setCentralWidget(self)
for m in ['resize']:
setattr(self, m, getattr(self.win, m))
if title is not None:
self.win.setWindowTitle(title)
class OSCThread(threading.Thread):
def __init__(self, args):
super(OSCThread, self).__init__()
self.args = args
self.running = True
self.own_address = socket.getaddrinfo(args.own_host, args.own_port, socket.AF_INET6, socket.SOCK_DGRAM, 0, socket.AI_V4MAPPED | socket.AI_ALL | socket.AI_CANONNAME)[-1][4][:2]
self.chaosc_address = chaosc_host, chaosc_port = socket.getaddrinfo(args.chaosc_host, args.chaosc_port, socket.AF_INET6, socket.SOCK_DGRAM, 0, socket.AI_V4MAPPED | socket.AI_ALL | socket.AI_CANONNAME)[-1][4][:2]
self.osc_sock = socket.socket(2, 2, 17)
self.osc_sock.bind(self.own_address)
self.osc_sock.setblocking(0)
print "%s: starting up osc receiver on '%s:%d'" % (
datetime.now().strftime("%x %X"), self.own_address[0], self.own_address[1])
self.subscribe_me()
def subscribe_me(self):
"""Use this procedure for a quick'n dirty subscription to your chaosc instance.
:param chaosc_address: (chaosc_host, chaosc_port)
:type chaosc_address: tuple
:param receiver_address: (host, port)
:type receiver_address: tuple
:param token: token to get authorized for subscription
:type token: str
"""
print "%s: subscribing to '%s:%d' with label %r" % (datetime.now().strftime("%x %X"), self.chaosc_address[0], self.chaosc_address[1], self.args.subscriber_label)
msg = OSCMessage("/subscribe")
msg.appendTypedArg(self.own_address[0], "s")
msg.appendTypedArg(self.own_address[1], "i")
msg.appendTypedArg(self.args.authenticate, "s")
if self.args.subscriber_label is not None:
msg.appendTypedArg(self.args.subscriber_label, "s")
self.osc_sock.sendto(msg.encode_osc(), self.chaosc_address)
def unsubscribe_me(self):
if self.args.keep_subscribed:
return
print "%s: unsubscribing from '%s:%d'" % (datetime.now().strftime("%x %X"), self.chaosc_address[0], self.chaosc_address[1])
msg = OSCMessage("/unsubscribe")
msg.appendTypedArg(self.own_address[0], "s")
msg.appendTypedArg(self.own_address[1], "i")
msg.appendTypedArg(self.args.authenticate, "s")
self.osc_sock.sendto(msg.encode_osc(), self.chaosc_address)
def run(self):
while self.running:
reads, writes, errs = select.select([self.osc_sock], [], [], 0.05)
if reads:
osc_input = reads[0].recv(4096)
osc_address, typetags, messages = decode_osc(osc_input, 0, len(osc_input))
if osc_address.find("ekg") > -1 or osc_address.find("plot") != -1:
queue.put_nowait((osc_address, messages))
else:
queue.put_nowait(("/bjoern/ekg", [0]))
queue.put_nowait(("/merle/ekg", [0]))
queue.put_nowait(("/uwe/ekg", [0]))
self.unsubscribe_me()
print "OSCThread is going down"
queue = Queue.Queue()
class MyHandler(BaseHTTPRequestHandler):
def __del__(self):
self.thread.running = False
self.thread.join()
def do_GET(self):
print "get"
self.thread = thread = OSCThread(self.server.args)
thread.daemon = True
thread.start()
actors = list()
is_item1 = True
is_item2 = True
is_item3 = True
def setPositions():
for ix, item in enumerate(actors):
item.setPos(0, ix*6)
def scale_data(data, ix, max_items):
scale = 254 / max_items * ix
return [value / max_items + scale for value in data]
def set_point(plotPoint, pos, value, ix, max_items):
scale = 254 / max_items * ix
y = 6 * ix + value / max_items + scale
plotPoint.setData(x = [pos], y = [y])
def find_max_value(item_data):
max_index = -1
for ix, i in enumerate(item_data):
if i > 250:
return ix, i
return None, None
def rearrange(item_data, actual_pos, max_items):
max_value_index, max_value = find_max_value(item_data)
if max_value_index is None:
return actual_pos
mean = int(max_items / 2.)
start = mean - max_value_index
if start != 0:
item_data.rotate(start)
pos = (actual_pos + start) % max_items
else:
pos = actual_pos
#print "rearrange", mean, start, actual_pos, pos, item_data
return pos
def set_value(item_data, pos, max_pos, value):
#print "setValue before", pos, None, max_pos, value, item_data, len(item_data)
item_data[pos] = value
new_pos = (pos + 1) % max_pos
#print "setValue after ", pos, new_pos, max_pos, value, item_data, len(item_data)
return new_pos
def resize(item_data, max_length, new_max_length, pos):
#print "resize", max_length, new_max_length
if new_max_length < 15:
return max_length, pos
if new_max_length > max_length:
pad = (new_max_length - max_length)
#print "pad", pad
for i in range(pad):
if i % 2 == 0:
item_data.append(0)
else:
item_data.appendleft(0)
pos += 1
return new_max_length, pos
elif new_max_length < max_length:
pad = (max_length - new_max_length)
for i in range(pad):
if i % 2 == 0:
item_data.pop()
if pos >= new_max_length:
pos = 0
else:
item_data.popleft()
if pos > 0:
pos -= 1
return new_max_length, pos
return max_length, pos
try:
self.path=re.sub('[^.a-zA-Z0-9]', "",str(self.path))
if self.path=="" or self.path==None or self.path[:1]==".":
return
if self.path.endswith(".html"):
f = open(curdir + sep + self.path)
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
self.wfile.write(f.read())
f.close()
elif self.path.endswith(".mjpeg"):
data_points = 43
self.send_response(200)
pos1 = 0
pos2 = 0
pos3 = 0
lengths1 = [0]
data1_max_value = 0
data2_max_value = 0
data3_max_value = 0
data1_distance = data_points
data2_distance = data_points
data3_distance = data_points
plot_data1 = deque([0] * data_points)
plot_data2 = deque([0] * data_points)
plot_data3 = deque([0] * data_points)
plt = PlotWidget(title="<h1>EKG</h1>")
plt.hide()
plotItem1 = pg.PlotCurveItem(pen=pg.mkPen('r', width=1), width=1, name="bjoern")
plotItem2 = pg.PlotCurveItem(pen=pg.mkPen('g', width=1), width=1, name="merle")
plotItem3 = pg.PlotCurveItem(pen=pg.mkPen('b', width=1), width=1, name="uwe")
shadowPen = pg.mkPen("w", width=10)
plotItem1.setShadowPen(pen=shadowPen, width=3, cosmetic=True)
plotItem2.setShadowPen(pen=shadowPen, width=3, cosmetic=True)
plotItem3.setShadowPen(pen=shadowPen, width=3, cosmetic=True)
pen = pg.mkPen("w", size=1)
brush = pg.mkBrush("w")
plotPoint1 = pg.ScatterPlotItem(pen=pen, brush=brush, size=15)
plotPoint2 = pg.ScatterPlotItem(pen=pen, brush=brush, size=10)
plotPoint3 = pg.ScatterPlotItem(pen=pen, brush=brush, size=10)
actors.append(plotItem1)
actors.append(plotItem2)
actors.append(plotItem3)
plotItem1.setPos(0, 0*6)
plotItem2.setPos(0, 1*6)
plotItem3.setPos(0, 2*6)
plt.addItem(plotItem1)
plt.addItem(plotItem2)
plt.addItem(plotItem3)
plt.addItem(plotPoint1)
plt.addItem(plotPoint2)
plt.addItem(plotPoint3)
plt.setLabel('left', "<h2>Amplitude</h2>")
plt.setLabel('bottom', "<h2><sup>Time</sup></h2>")
plt.showGrid(True, True)
ba = plt.getAxis("bottom")
bl = plt.getAxis("left")
ba.setTicks([])
bl.setTicks([])
ba.setWidth(0)
ba.setHeight(0)
bl.setWidth(0)
bl.setHeight(0)
plt.setYRange(0, 255)
self.wfile.write("Content-Type: multipart/x-mixed-replace; boundary=--aaboundary")
self.wfile.write("\r\n\r\n")
plt.resize(1280, 720)
while 1:
while 1:
try:
osc_address, args = queue.get_nowait()
except Queue.Empty:
break
max_items = len(actors)
value = args[0]
if osc_address == "/bjoern/ekg":
#if value > 250:
#data_points, pos1 = resize(plot_data1, len(plot_data1), lengths1[-1], pos1)
#foo, pos2 = resize(plot_data2, len(plot_data2), lengths1[-1], pos2)
#foo, pos3 = resize(plot_data3, len(plot_data3), lengths1[-1], pos3)
#print "length1", lengths1
#lengths1.append(0)
#else:
#lengths1[-1] += 1
ix = actors.index(plotItem1)
#pos1 = rearrange(plot_data1, pos1, data_points)
set_point(plotPoint1, pos1, value, ix, max_items)
pos1 = set_value(plot_data1, pos1, data_points, value)
try:
plotItem1.setData(y=np.array(scale_data(plot_data1, ix, max_items)), clear=True)
except ValueError:
pass
elif osc_address == "/merle/ekg":
ix = actors.index(plotItem2)
#pos2 = rearrange(plot_data2, pos2, data_points)
set_point(plotPoint2, pos2, value, ix, max_items)
pos2 = set_value(plot_data2, pos2, data_points, value)
try:
plotItem2.setData(y=np.array(scale_data(plot_data2, ix, max_items)), clear=True)
except ValueError:
pass
elif osc_address == "/uwe/ekg":
ix = actors.index(plotItem3)
#pos3 = rearrange(plot_data3, pos3, data_points)
set_point(plotPoint3, pos3, value, ix, max_items)
pos3 = set_value(plot_data3, pos3, data_points, value)
try:
plotItem3.setData(y=np.array(scale_data(plot_data3, ix, max_items)), clear=True)
except ValueError:
pass
elif osc_address == "/plot/uwe":
if value == 1 and is_item3 == False:
print "uwe on"
plt.addItem(plotItem3)
is_item3 = True
actors.append(plotItem3)
setPositions()
elif value == 0 and is_item3 == True:
print "uwe off"
plt.removeItem(plotItem3)
is_item3 = False
actors.remove(plotItem3)
setPositions()
elif osc_address == "/plot/merle":
if value == 1 and is_item2 == False:
print "merle on"
plt.addItem(plotItem2)
is_item2 = True
actors.append(plotItem2)
setPositions()
elif value == 0 and is_item2 == True:
print "merle off"
plt.removeItem(plotItem2)
is_item2 = False
actors.remove(plotItem2)
setPositions()
elif osc_address == "/plot/bjoern":
if value == 1 and is_item1 == False:
print "bjoern on"
plt.addItem(plotItem1)
is_item1 = True
actors.append(plotItem1)
setPositions()
elif value == 0 and is_item1 == True:
print "bjoern off"
plt.removeItem(plotItem1)
is_item1 = False
actors.remove(plotItem1)
setPositions()
exporter = pg.exporters.ImageExporter.ImageExporter(plt.plotItem)
img = exporter.export("tmpfile", True)
buffer = QBuffer()
buffer.open(QIODevice.WriteOnly)
img.save(buffer, "JPG", 100)
JpegData = buffer.data()
del buffer
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))
elif self.path.endswith(".jpeg"):
f = open(curdir + sep + self.path)
self.send_response(200)
self.send_header('Content-type','image/jpeg')
self.end_headers()
self.wfile.write(f.read())
f.close()
return
except (KeyboardInterrupt, SystemError):
thread.running = False
thread.join()
except IOError:
self.send_error(404,'File Not Found: %s' % self.path)
class JustAHTTPServer(HTTPServer):
pass
def main():
a = create_arg_parser("ekgplotter")
own_group = add_main_group(a)
own_group.add_argument('-x', "--http_host", default="0.0.0.0",
help='my host, defaults to "socket.gethostname()"')
own_group.add_argument('-X', "--http_port", default=9000,
type=int, help='my port, defaults to 9000')
add_chaosc_group(a)
add_subscriber_group(a, "ekgplotter")
args = finalize_arg_parser(a)
try:
host, port = socket.getaddrinfo(args.http_host, args.http_port, socket.AF_INET6, socket.SOCK_DGRAM, 0, socket.AI_V4MAPPED | socket.AI_ALL | socket.AI_CANONNAME)[-1][4][:2]
server = JustAHTTPServer(("0.0.0.0", 9000), MyHandler)
server.args = args
print "%s: starting up http server on '%s:%d'" % (
datetime.now().strftime("%x %X"), host, port)
server.serve_forever()
except KeyboardInterrupt:
print '^C received, shutting down server'
server.socket.close()
if __name__ == '__main__':
main()

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@ -0,0 +1,408 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
# This file is part of sensors2osc package
#
# sensors2osc is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# sensors2osc is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with sensors2osc. If not, see <http://www.gnu.org/licenses/>.
#
# found the mjpeg part here, thanks for the nice code :)
# http://hardsoftlucid.wordpress.com/2013/04/11/mjpeg-server-for-webcam-in-python-with-opencv/
# the osc integration stuff is implemented by me
#
# Copyright (C) 2014 Stefan Kögl
from __future__ import absolute_import
from datetime import datetime
import threading
import Queue
import numpy as np
import string,cgi,time, random, socket
from os import curdir, sep
from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
from SocketServer import ThreadingMixIn, ForkingMixIn
import select
import re
from collections import deque
from PyQt4.QtCore import QBuffer, QByteArray, QIODevice
from PyQt4 import QtGui
import pyqtgraph as pg
from pyqtgraph.widgets.PlotWidget import PlotWidget
from chaosc.argparser_groups import *
try:
from chaosc.c_osc_lib import *
except ImportError:
from chaosc.osc_lib import *
QtGui.QApplication.setGraphicsSystem('opengl')
try:
from chaosc.c_osc_lib import decode_osc
except ImportError as e:
print(e)
from chaosc.osc_lib import decode_osc
QAPP = QtGui.QApplication([])
class PlotWindow(PlotWidget):
def __init__(self, title=None, **kargs):
self.win = QtGui.QMainWindow()
PlotWidget.__init__(self, **kargs)
self.win.setCentralWidget(self)
for m in ['resize']:
setattr(self, m, getattr(self.win, m))
if title is not None:
self.win.setWindowTitle(title)
class OSCThread(threading.Thread):
def __init__(self, args):
super(OSCThread, self).__init__()
self.args = args
self.running = True
self.own_address = socket.getaddrinfo(args.own_host, args.own_port, socket.AF_INET6, socket.SOCK_DGRAM, 0, socket.AI_V4MAPPED | socket.AI_ALL | socket.AI_CANONNAME)[-1][4][:2]
self.chaosc_address = chaosc_host, chaosc_port = socket.getaddrinfo(args.chaosc_host, args.chaosc_port, socket.AF_INET6, socket.SOCK_DGRAM, 0, socket.AI_V4MAPPED | socket.AI_ALL | socket.AI_CANONNAME)[-1][4][:2]
self.osc_sock = socket.socket(2, 2, 17)
self.osc_sock.bind(self.own_address)
self.osc_sock.setblocking(0)
print "%s: starting up osc receiver on '%s:%d'" % (
datetime.now().strftime("%x %X"), self.own_address[0], self.own_address[1])
self.subscribe_me()
def subscribe_me(self):
"""Use this procedure for a quick'n dirty subscription to your chaosc instance.
:param chaosc_address: (chaosc_host, chaosc_port)
:type chaosc_address: tuple
:param receiver_address: (host, port)
:type receiver_address: tuple
:param token: token to get authorized for subscription
:type token: str
"""
print "%s: subscribing to '%s:%d' with label %r" % (datetime.now().strftime("%x %X"), self.chaosc_address[0], self.chaosc_address[1], self.args.subscriber_label)
msg = OSCMessage("/subscribe")
msg.appendTypedArg(self.own_address[0], "s")
msg.appendTypedArg(self.own_address[1], "i")
msg.appendTypedArg(self.args.authenticate, "s")
if self.args.subscriber_label is not None:
msg.appendTypedArg(self.args.subscriber_label, "s")
self.osc_sock.sendto(msg.encode_osc(), self.chaosc_address)
def unsubscribe_me(self):
if self.args.keep_subscribed:
return
print "%s: unsubscribing from '%s:%d'" % (datetime.now().strftime("%x %X"), self.chaosc_address[0], self.chaosc_address[1])
msg = OSCMessage("/unsubscribe")
msg.appendTypedArg(self.own_address[0], "s")
msg.appendTypedArg(self.own_address[1], "i")
msg.appendTypedArg(self.args.authenticate, "s")
self.osc_sock.sendto(msg.encode_osc(), self.chaosc_address)
def run(self):
while self.running:
reads, writes, errs = select.select([self.osc_sock], [], [], 0.05)
if reads:
osc_input = reads[0].recv(4096)
osc_address, typetags, messages = decode_osc(osc_input, 0, len(osc_input))
if osc_address.find("ekg") > -1 or osc_address.find("plot") != -1:
queue.put_nowait((osc_address, messages))
else:
queue.put_nowait(("/bjoern/ekg", [0]))
queue.put_nowait(("/merle/ekg", [0]))
queue.put_nowait(("/uwe/ekg", [0]))
self.unsubscribe_me()
print "OSCThread is going down"
queue = Queue.Queue()
class MyHandler(BaseHTTPRequestHandler):
def do_GET(self):
print "get"
self.thread = thread = OSCThread(self.server.args)
thread.daemon = True
thread.start()
actors = list()
is_item1 = True
is_item2 = True
is_item3 = True
def setPositions():
for ix, item in enumerate(actors):
item.setPos(0, ix*6)
def scale_data(data, ix, max_items):
scale = 254 / max_items * ix
return [value / max_items + scale for value in data]
def set_point(plotPoint, pos, value, ix, max_items):
scale = 254 / max_items * ix
plotPoint.setData(x = [pos], y = [6*ix + value / max_items + scale])
def setValue(dataItem, pos, maxPos, value):
dataItem[pos] = value
return (pos + 1) % maxPos
def find_max_index(dataItem):
max_value = 0
max_index = 0
for ix, i in enumerate(dataItem):
if i > max_value:
max_value = i
max_index = ix
return max_index, max_value
def rearrange(data, index, max_items):
max_value_index, max_value = findMax(data)
mean = int(max_items / 2.)
start = mean - max_value_index
data.rotate(start)
pos = (index + start) % max_items
print "rearrange", index, max_items, pos
return pos
def checkDataPoints(value, data_max_value):
if value > max_value and value > 200:
return True, value
return False, data_max_value
try:
self.path=re.sub('[^.a-zA-Z0-9]', "",str(self.path))
if self.path=="" or self.path==None or self.path[:1]==".":
return
if self.path.endswith(".html"):
f = open(curdir + sep + self.path)
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
self.wfile.write(f.read())
f.close()
elif self.path.endswith(".mjpeg"):
data_points = 21
self.send_response(200)
pos1 = 0
pos2 = 0
pos3 = 0
data1_max_value = 0
data2_max_value = 0
data3_max_value = 0
data1_distance = data_points
data2_distance = data_points
data3_distance = data_points
plot_data1 = deque([0] * data_points)
plot_data2 = deque([0] * data_points)
plot_data3 = deque([0] * data_points)
plt = PlotWidget(title="<h1>EKG</h1>", name="Merle")
plt.hide()
plotItem1 = pg.PlotCurveItem(pen=pg.mkPen('r', width=2), width=2, name="bjoern")
plotItem2 = pg.PlotCurveItem(pen=pg.mkPen('g', width=2), width=2, name="merle")
plotItem3 = pg.PlotCurveItem(pen=pg.mkPen('b', width=2), width=2, name="uwe")
shadowPen = pg.mkPen("w", width=10)
plotItem1.setShadowPen(pen=shadowPen, width=6, cosmetic=True)
plotItem2.setShadowPen(pen=shadowPen, width=6, cosmetic=True)
plotItem3.setShadowPen(pen=shadowPen, width=6, cosmetic=True)
pen = pg.mkPen("w", size=1)
brush = pg.mkBrush("w")
plotPoint1 = pg.ScatterPlotItem(pen=pen, brush=brush, size=10)
plotPoint2 = pg.ScatterPlotItem(pen=pen, brush=brush, size=10)
plotPoint3 = pg.ScatterPlotItem(pen=pen, brush=brush, size=10)
actors.append(plotItem1)
actors.append(plotItem2)
actors.append(plotItem3)
plotItem1.setPos(0, 0*6)
plotItem2.setPos(0, 1*6)
plotItem3.setPos(0, 2*6)
plt.addItem(plotItem1)
plt.addItem(plotItem2)
plt.addItem(plotItem3)
plt.addItem(plotPoint1)
plt.addItem(plotPoint2)
plt.addItem(plotPoint3)
plt.setLabel('left', "<h2>Amplitude</h2>")
plt.setLabel('bottom', "<h2>Time</h2>")
plt.showGrid(True, True)
ba = plt.getAxis("bottom")
bl = plt.getAxis("left")
ba.setTicks([])
bl.setTicks([])
plt.setYRange(0, 254)
self.wfile.write("Content-Type: multipart/x-mixed-replace; boundary=--aaboundary")
self.wfile.write("\r\n\r\n")
plt.resize(1280, 720)
while 1:
while 1:
try:
osc_address, args = queue.get_nowait()
except Queue.Empty:
break
max_items = len(actors)
value = args[0]
if osc_address == "/bjoern/ekg":
ix = actors.index(plotItem1)
res, tmp = checkDataPoints(value, data1_max_value)
if res and res > 20:
data_points = tmp
data1_maxdata1_max_value = 0
set_point(plotPoint1, pos1, value, ix, max_items)
pos1 = setValue(plot_data1, pos1, data_points, value)
pos1 = rearrange(plot_data1, pos1, data_points)
try:
plotItem1.setData(y=np.array(scale_data(plot_data1, ix, max_items)), clear=True)
except ValueError:
pass
elif osc_address == "/merle/ekg":
ix = actors.index(plotItem2)
set_point(plotPoint2, pos2, value, ix, max_items)
pos2 = setValue(plot_data2, pos2, data_points, value)
pos2 = rearrange(plot_data2, pos2, data_points)
try:
plotItem2.setData(y=np.array(scale_data(plot_data2, ix, max_items)), clear=True)
except ValueError:
pass
elif osc_address == "/uwe/ekg":
ix = actors.index(plotItem3)
set_point(plotPoint3, pos3, value, ix, max_items)
pos3 = setValue(plot_data3, pos3, data_points, value)
pos3 = rearrange(plot_data3, pos3, data_points)
try:
plotItem3.setData(y=np.array(scale_data(plot_data3, ix, max_items)), clear=True)
except ValueError:
pass
elif osc_address == "/plot/uwe":
if value == 1 and is_item3 == False:
print "uwe on"
plt.addItem(plotItem3)
is_item3 = True
actors.append(plotItem3)
setPositions()
elif value == 0 and is_item3 == True:
print "uwe off"
plt.removeItem(plotItem3)
is_item3 = False
actors.remove(plotItem3)
setPositions()
elif osc_address == "/plot/merle":
if value == 1 and is_item2 == False:
print "merle on"
plt.addItem(plotItem2)
is_item2 = True
actors.append(plotItem2)
setPositions()
elif value == 0 and is_item2 == True:
print "merle off"
plt.removeItem(plotItem2)
is_item2 = False
actors.remove(plotItem2)
setPositions()
elif osc_address == "/plot/bjoern":
if value == 1 and is_item1 == False:
print "bjoern on"
plt.addItem(plotItem1)
is_item1 = True
actors.append(plotItem1)
setPositions()
elif value == 0 and is_item1 == True:
print "bjoern off"
plt.removeItem(plotItem1)
is_item1 = False
actors.remove(plotItem1)
setPositions()
exporter = pg.exporters.ImageExporter.ImageExporter(plt.plotItem)
img = exporter.export("tmpfile", True)
buffer = QBuffer()
buffer.open(QIODevice.WriteOnly)
img.save(buffer, "JPG", 100)
JpegData = buffer.data()
del buffer
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))
elif self.path.endswith(".jpeg"):
f = open(curdir + sep + self.path)
self.send_response(200)
self.send_header('Content-type','image/jpeg')
self.end_headers()
self.wfile.write(f.read())
f.close()
return
except (KeyboardInterrupt, SystemError):
thread.running = False
thread.join()
except IOError:
self.send_error(404,'File Not Found: %s' % self.path)
class JustAHTTPServer(HTTPServer):
pass
def main():
a = create_arg_parser("ekgplotter")
own_group = add_main_group(a)
own_group.add_argument('-x', "--http_host", default="0.0.0.0",
help='my host, defaults to "socket.gethostname()"')
own_group.add_argument('-X', "--http_port", default=9000,
type=int, help='my port, defaults to 9000')
add_chaosc_group(a)
add_subscriber_group(a, "ekgplotter")
args = finalize_arg_parser(a)
try:
host, port = socket.getaddrinfo(args.http_host, args.http_port, socket.AF_INET6, socket.SOCK_DGRAM, 0, socket.AI_V4MAPPED | socket.AI_ALL | socket.AI_CANONNAME)[-1][4][:2]
server = JustAHTTPServer(("0.0.0.0", 9000), MyHandler)
server.args = args
print "%s: starting up http server on '%s:%d'" % (
datetime.now().strftime("%x %X"), host, port)
server.serve_forever()
except KeyboardInterrupt:
print '^C received, shutting down server'
server.socket.close()
if __name__ == '__main__':
main()