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authorAnton Tananaev <anton.tananaev@gmail.com>2015-11-14 11:12:37 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2015-11-14 11:12:37 +1300
commiteb40246064d5185edf1d620dcf7270ffe9d7c074 (patch)
tree0fe8de0fcfff85285ca9f5bd5a5b4045daafe1e9 /tools/test-generator.py
parente62d408f73d34a7f0ed5a43fd8b517f9667dbb5e (diff)
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Create test data generator script
Diffstat (limited to 'tools/test-generator.py')
-rwxr-xr-xtools/test-generator.py55
1 files changed, 55 insertions, 0 deletions
diff --git a/tools/test-generator.py b/tools/test-generator.py
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+#!/usr/bin/python
+
+import sys
+import math
+import urllib
+import urllib2
+import time
+
+id = '123456789012345'
+server = 'http://localhost:5055'
+period = 1
+step = 0.001
+
+waypoints = [
+ (40.722412, -74.006288),
+ (40.728592, -74.005258),
+ (40.728348, -74.002822),
+ (40.725437, -73.996750),
+ (40.721778, -73.999818),
+ (40.723323, -74.002994)
+]
+
+points = []
+
+for i in range(0, len(waypoints)):
+ (lat1, lon1) = waypoints[i]
+ (lat2, lon2) = waypoints[(i + 1) % len(waypoints)]
+ length = math.sqrt((lat2 - lat1) ** 2 + (lon2 - lon1) ** 2)
+ count = int(math.ceil(length / step))
+ for j in range(0, count):
+ lat = lat1 + (lat2 - lat1) * j / count
+ lon = lon1 + (lon2 - lon1) * j / count
+ points.append((lat, lon))
+
+def send(lat, lon, course):
+ params = (('id', id), ('timestamp', int(time.time())), ('lat', lat), ('lon', lon), ('bearing', course))
+ urllib2.urlopen(server + '?' + urllib.urlencode(params)).read()
+
+def course(lat1, lon1, lat2, lon2):
+ lat1 = lat1 * math.pi / 180
+ lon1 = lon1 * math.pi / 180
+ lat2 = lat2 * math.pi / 180
+ lon2 = lon2 * math.pi / 180
+ y = math.sin(lon2 - lon1) * math.cos(lat2)
+ x = math.cos(lat1) * math.sin(lat2) - math.sin(lat1) * math.cos(lat2) * math.cos(lon2 - lon1)
+ return (math.atan2(y, x) % (2 * math.pi)) * 180 / math.pi
+
+index = 0
+
+while True:
+ (lat1, lon1) = points[index % len(points)]
+ (lat2, lon2) = points[(index + 1) % len(points)]
+ send(lat1, lon1, course(lat1, lon1, lat2, lon2))
+ time.sleep(period)
+ index += 1