def iterateFile(self, file):
print "Delta for current running %f" % self.delta
count = 0
with open(file, 'rb') as f:
firstLine = True
currentNo = -1
fromLat = -1
fromLng = -1
fromTime = -1
for line in f:
count += 1
line = line.strip('\n')
linelist = line.split(',')
# 旅程标识
no = "%s-%s-%s-%s" % (linelist[5], linelist[6], linelist[8],
linelist[9])
toLat = linelist[3]
toLng = linelist[4]
toTime = int(linelist[2])
if firstLine: # 第一行初始化
firstLine = False
currentNo = no
fromLat = toLat
fromLng = toLng
fromTime = toTime
else:
if currentNo == no: # 同一段旅程
# 如果当前点位置不变则继续遍历
if (fromLat == toLat
and fromLng == toLng) or fromTime == toTime:
continue
fPoint = [float(fromLng), float(fromLat)]
tPoint = [float(toLng), float(toLat)]
fromGid = getFormatGID(fPoint)['gid']
toGid = getFormatGID(tPoint)['gid']
distance = getRealDistance(fromLng, fromLat, toLng,
toLat)
speed = distance / (toTime - fromTime)
direction = getDirection(fPoint,
tPoint) # w n s e 四个字符之一
self.updateResByLine(fPoint, tPoint, fromGid, toGid,
direction, speed)
fromLat = toLat
fromLng = toLng
fromTime = toTime
else: # 新旅程第一个点
currentNo = no
fromLat = toLat
fromLng = toLng
fromTime = toTime
f.close()
print "Total %d records in this file." % (count)
def iterateFileNew(self, file):
print "Delta for current running %f" % self.delta
count = 0
with open(file, 'rb') as f:
firstLine = True
deviceDirectionDict = {}
# deviceDirectionToDict = {}
for line in f:
count += 1
line = line.strip('\n')
linelist = line.split(',')
#print(getRealDistance(linelist[5], linelist[6], linelist[4], linelist[3])/(linelist[2] - linelist[7]))
currentDevice = linelist[1]
if firstLine:
firstLine = False
if not deviceDirectionDict.has_key(currentDevice):
deviceDirectionDict[currentDevice] = {}
# if not deviceDirectionToDict.has_key(currentDevice):
# deviceDirectionToDict[currentDevice] = {}
# left
fromLat = linelist[6]
fromLng = linelist[5]
fromTime = int(linelist[7])
toLat = linelist[3]
toLng = linelist[4]
toTime = int(linelist[2])
if (fromLat == toLat
and fromLng == toLng) or fromTime == toTime:
continue
fPoint = [float(fromLng), float(fromLat)]
tPoint = [float(toLng), float(toLat)]
fromGid = getFormatGID(fPoint, self.LngSPLIT, self.LatSPLIT,
self.locs)['gid']
toGid = getFormatGID(tPoint, self.LngSPLIT, self.LatSPLIT,
self.locs)['gid']
distance = getRealDistance(fromLng, fromLat, toLng, toLat)
speed = distance / (toTime - fromTime)
direction = getDirection(fPoint, tPoint) # w n s e 四个字符之一
position = fromLat + '-' + fromLng
if not deviceDirectionDict[currentDevice].has_key(position):
# 当前位置没有被记录过, 那么要记录当前位置的方向。
deviceDirectionDict[currentDevice][position] = True
self.updateResByLine(fPoint, tPoint, fromGid, toGid,
direction, speed)
# right
fromLat = toLat
fromLng = toLng
fromTime = toTime
toLat = linelist[9]
toLng = linelist[8]
toTime = int(linelist[10])
if (fromLat == toLat
and fromLng == toLng) or fromTime == toTime:
continue
fPoint = [float(fromLng), float(fromLat)]
tPoint = [float(toLng), float(toLat)]
fromGid = getFormatGID(fPoint, self.LngSPLIT, self.LatSPLIT,
self.locs)['gid']
toGid = getFormatGID(tPoint, self.LngSPLIT, self.LatSPLIT,
self.locs)['gid']
distance = getRealDistance(fromLng, fromLat, toLng, toLat)
speed = distance / (toTime - fromTime)
direction = getDirection(fPoint, tPoint) # w n s e 四个字符之一
position = fromLat + '-' + fromLng
if not deviceDirectionDict[currentDevice].has_key(position):
# 当前位置没有被记录过, 那么要记录当前位置的方向。
deviceDirectionDict[currentDevice][position] = True
self.updateResByLine(fPoint, tPoint, fromGid, toGid,
direction, speed)
# position = toLat + '-' + toLng
# if not deviceDirectionToDict[currentDevice].has_key(position):
# deviceDirectionDict[currentDevice][position] = [fPoint, tPoint, fromGid, toGid, direction, speed, 'to', distance]
# else:
# if deviceDirectionDict[currentDevice][position][7] < distance:
# deviceDirectionDict[currentDevice][position] = [fPoint, tPoint, fromGid, toGid, direction, speed, 'to', distance]
f.close()
print "Total %d records in this file." % (count)
# -*- coding: utf-8 -*-
__author__ = 'lenovo'
from util.tripFlow.base import getFormatGID
from util.tripFlow.base import getDirection
from util.tripFlow.extractGridEdges import ExtractGridEdges
tPoint = [161.12, 40.35]
fPoint = [161.57, 39.79]
PROP = {
'index': 9,
'delta': -1,
'IDIRECTORY': '/datahouse',
'ODIRECTORY': '/datahouse',
'suffix': 1
}
task = ExtractGridEdges(PROP)
direction = getDirection(fPoint, tPoint)
fromGid = getFormatGID(fPoint)['gid']
toGid = getFormatGID(tPoint)['gid']
print(direction)
speed = 2.3
task.updateResByLine(fPoint, tPoint, fromGid, toGid, direction, speed)
print(task.resByCate['from'])
print(task.resByCate['to'])
#证明from和to的方向是一样的