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Example: office floor 200 node topology (#121)
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* [pylibs] office floor case study added (200 notes); node_clicker.py tool to create script from a graphical map.
* [ot-rfsim] bump
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@EskoDijk
EskoDijk committed Sep 24, 2024
1 parent 0651a13 commit fc2d510
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Showing 3 changed files with 342 additions and 1 deletion.
2 changes: 1 addition & 1 deletion ot-rfsim
Submodule ot-rfsim updated 8 files
+1 −1 openthread
+0 −1 script/build
+2 −3 script/build_br
+53 −0 src/alarm.c
+5 −5 src/misc.c
+24 −1 src/openthread-core-rfsim-config.h
+2 −2 src/radio.c
+1 −26 src/system.c
276 changes: 276 additions & 0 deletions pylibs/case_studies/office_floor.py
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#!/usr/bin/env python3
# Copyright (c) 2023-2024, The OTNS Authors.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. Neither the name of the copyright holder nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

# Case study on large, 200-node network in office floor topology.

import logging
import resource

from otns.cli import OTNS
from otns.cli.errors import OTNSExitedError

def build_topology(ns, radio_rng):
# Below code ns.add() lines were built using an office map and ./pylibs/node_clicker.py
# 34 pixels =~ 2 map grid units =~ 5 feet =~ 1.524 m
ns.set_radioparam('MeterPerUnit', 1.524/34 )
node_tp1 = 'router'
node_tp1_radiorange = radio_rng
# Nodes 1-70
ns.add(node_tp1, x=412, y=85, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=446, y=85, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=533, y=83, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=573, y=65, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=609, y=82, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=651, y=65, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=691, y=83, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=689, y=120, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=411, y=119, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=411, y=165, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=451, y=122, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=447, y=163, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=529, y=123, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=533, y=163, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=574, y=140, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=608, y=120, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=610, y=161, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=653, y=141, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=686, y=160, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=687, y=198, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=416, y=236, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=407, y=198, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=450, y=235, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=443, y=196, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=536, y=200, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=535, y=237, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=572, y=216, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=614, y=238, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=618, y=201, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=650, y=216, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=275, y=296, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=336, y=293, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=356, y=314, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=385, y=317, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=410, y=297, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=468, y=315, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=511, y=315, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=541, y=306, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=291, y=352, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=295, y=397, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=355, y=356, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=386, y=352, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=451, y=353, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=452, y=390, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=536, y=353, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=533, y=391, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=296, y=432, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=294, y=472, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=447, y=437, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=449, y=468, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=538, y=429, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=534, y=464, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=298, y=506, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=285, y=537, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=373, y=491, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=334, y=527, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=446, y=510, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=415, y=525, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=534, y=505, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=574, y=525, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=614, y=507, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=652, y=527, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=688, y=512, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=649, y=488, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=284, y=574, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=293, y=607, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=337, y=588, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=367, y=603, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=413, y=587, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=448, y=602, radio_range=node_tp1_radiorange)

# node 71-200
ns.add(node_tp1, x=536, y=603, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=574, y=588, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=613, y=605, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=655, y=584, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=54, y=645, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=58, y=680, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=99, y=645, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=153, y=641, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=193, y=643, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=211, y=679, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=291, y=642, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=296, y=681, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=333, y=642, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=391, y=645, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=449, y=643, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=449, y=683, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=535, y=644, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=536, y=680, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=596, y=645, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=631, y=643, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=689, y=643, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=688, y=682, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=58, y=719, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=59, y=758, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=214, y=720, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=212, y=758, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=294, y=720, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=293, y=759, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=448, y=722, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=452, y=758, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=536, y=721, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=536, y=758, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=687, y=722, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=688, y=758, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=59, y=799, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=98, y=820, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=139, y=759, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=136, y=801, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=176, y=816, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=213, y=799, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=296, y=799, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=331, y=817, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=372, y=762, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=374, y=800, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=413, y=817, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=449, y=796, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=537, y=797, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=576, y=817, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=613, y=760, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=614, y=797, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=651, y=816, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=689, y=799, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=58, y=898, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=101, y=872, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=134, y=932, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=138, y=896, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=177, y=876, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=211, y=892, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=296, y=894, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=332, y=877, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=373, y=936, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=377, y=894, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=412, y=876, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=449, y=891, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=535, y=894, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=576, y=874, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=616, y=934, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=615, y=892, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=657, y=876, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=691, y=896, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=56, y=937, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=60, y=975, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=210, y=934, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=213, y=972, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=296, y=933, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=298, y=972, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=449, y=933, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=451, y=973, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=540, y=935, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=536, y=969, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=692, y=933, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=693, y=972, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=57, y=1014, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=61, y=1048, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=120, y=1049, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=157, y=1048, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=216, y=1011, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=214, y=1049, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=299, y=1009, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=298, y=1047, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=357, y=1050, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=390, y=1050, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=449, y=1011, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=451, y=1050, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=538, y=1010, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=541, y=1052, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=576, y=1049, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=614, y=1046, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=689, y=1013, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=689, y=1047, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=55, y=1089, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=80, y=1106, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=119, y=1086, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=160, y=1108, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=195, y=1086, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=213, y=1105, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=283, y=1109, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=303, y=1087, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=376, y=1088, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=334, y=1107, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=452, y=1085, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=417, y=1107, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=540, y=1086, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=578, y=1107, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=613, y=1087, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=652, y=1105, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=652, y=1068, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=691, y=1088, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=285, y=1166, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=317, y=1182, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=336, y=1164, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=370, y=1181, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=410, y=1161, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=448, y=1180, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=533, y=1181, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=571, y=1163, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=595, y=1183, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=631, y=1185, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=655, y=1161, radio_range=node_tp1_radiorange)
ns.add(node_tp1, x=690, y=1181, radio_range=node_tp1_radiorange)

def test_ulimit():
n_files = resource.getrlimit(7)[0] # check RLIMIT_NOFILE, number of open files
if n_files < 4096:
print(f'Current open-files limit too low: {n_files}')
print('Please configure "ulimit -Sn 4096" prior to running this script.')
exit(1)

def main():
test_ulimit()

ns = OTNS()
ns.logconfig(logging.INFO)
ns.loglevel = 'info'
ns.radiomodel = 'MutualInterference'
# ns.radiomodel = 'Ideal'
ns.web('main')
ns.web('stats')

build_topology(ns, radio_rng=320)
ns.go(13*60)
ns.interactive_cli()

ns.web_display()

if __name__ == '__main__':
try:
main()
except OTNSExitedError as ex:
if ex.exit_code != 0:
raise

65 changes: 65 additions & 0 deletions pylibs/node_clicker.py
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Original file line number Diff line number Diff line change
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#!/usr/bin/env python3
# Copyright (c) 2023, The OTNS Authors.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. Neither the name of the copyright holder nor the
# names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

# node_clicker.py - a simple tool to convert mouse-clicked coordinates on a map image
# to a list of OTNS script lines for an OTNS Python script. These lines will add nodes
# at the clicked positions.

# required package python3-opencv (must be manually installed)
# (sudo apt-get install python3-opencv)

import cv2
import sys

def click_event(event, x, y, flags, params):

if event == cv2.EVENT_LBUTTONDOWN or event==cv2.EVENT_RBUTTONDOWN:
node_type = 'node_tp1'
if event==cv2.EVENT_RBUTTONDOWN:
node_type = 'node_tp2'
print(f'ns.add({node_type}, x={x}, y={y}, radio_range={node_type}_radiorange)')
cv2.circle(img, (x,y), 3, (255, 0, 0), -1)
cv2.imshow('image', img)

if __name__=="__main__":

print('node_clicker.py - click pixel coordinates in the image, to generate OTNS node placement code.\n')
if len(sys.argv) < 2:
print('Usage: node_clicker.py <image-filename>')
exit(1)

imgFile = sys.argv[1]
img = cv2.imread(imgFile, 1)

cv2.imshow('image', img)
cv2.setMouseCallback('image', click_event)

print('# Copy/paste below code into your OTNS Python script')
print('node_tp1 = \'router\'\nnode_tp2 = \'sed\'\nnode_tp1_radiorange = 160\nnode_tp2_radiorange = 160')

cv2.waitKey(0) # exit on keypress
cv2.destroyAllWindows()

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