def saveRouteNode():
"""
保存规划路线接口
"""
res = ResMsg()
try:
logger.info("begin saveRouteNode!")
aiBusModel = AiBusModel()
data = request.get_json()
fileId = data["fileId"]
routeId = data["routeId"]
roundStatus = data["roundStatus"]
passengers = data["passengers"]
vehicleType = int(data["vehicleType"])
routeNodeList = data["routeNodeList"]
invalidNodeList = data["invalidNodeList"]
if fileId is None or fileId == "":
res.update(code=ResponseCode.Fail, msg="路线规划保存时,fileId不能为空！")
return res.data
#根据结点顺序获取对应信息
nodeIndex = 0
for node in invalidNodeList:
aiBusModel.updateRouteDetail(
(nodeIndex, 0, 0, 0, 1, roundStatus, node["nodeName"],
node["lng"], node["lat"], routeId, node["id"]))
#newInvalidNodeList.append({"id":node["id"],"nodeIndex":nodeIndex,"nodeName":node["nodeName"],\
# "lng":float(node["lng"]),"lat":float(node["lat"]),"number":node["number"]})
nodeIndex += 1
#失效所有的途经点
aiBusModel.invalidWayPoints((routeId))
nodeIndex = 0
dist = 0
time = 0
length = len(routeNodeList)
for i in range(length - 1):
fromNode = routeNodeList[i]
toNode = routeNodeList[i + 1]
fromLngLat = str(round(float(fromNode["lng"]), 6)) + "," + str(
round(float(fromNode["lat"]), 6))
toLngLat = str(round(float(toNode["lng"]), 6)) + "," + str(
round(float(toNode["lat"]), 6))
#手动生成id,批量查询
paramId = generate_md5_key(fromLngLat + "," + toLngLat)
row = aiBusModel.selectRouteParams(vehicleType, [paramId])
if row is None or len(row) < 1 or row[0]["dist"] < 0.5:
startPoint = str(fromNode["lng"]) + "," + str(fromNode["lat"])
endPoint = str(toNode["lng"]) + "," + str(toNode["lat"])
distTime = get_route_distance_time(startPoint, endPoint)
dist += distTime["dist"]
time += distTime["time"]
else:
dist += row[0]["dist"]
time += row[0]["time"]
if fromNode["nodeType"] == 0:
#fileId,routeId,roundStatus,nodeIndex,nodeName,nodeStatus,nodeLng,nodeLat,number,nextDist,nextTime,nodeProperty,nodeType
aiBusModel.insertRouteDetail((fileId,routeId,roundStatus,nodeIndex,fromNode["nodeName"],\
1,fromNode["lng"],fromNode["lat"],0,dist,time,1,0))
else:
#routeNumber+=fromNode["number"]
#newRouteNodeList.append({"id":fromNode["id"],"nodeIndex":nodeIndex,"nodeName":fromNode["nodeName"],\
# "lng":float(fromNode["lng"]),"lat":float(fromNode["lat"]),"number":fromNode["number"],\
# "nextDist":row["dist"],"nextTime":row["time"]})
aiBusModel.updateRouteDetail(
(nodeIndex, 1, dist, time, 1, roundStatus,
fromNode["nodeName"], fromNode["lng"], fromNode["lat"],
routeId, fromNode["id"]))
dist = 0
time = 0
nodeIndex += 1
if i + 1 == length - 1:
#newRouteNodeList.append({"id":toNode["id"],"nodeIndex":nodeIndex,"nodeName":toNode["nodeName"],\
# "lng":float(toNode["lng"]),"lat":float(toNode["lat"]),"number":toNode["number"],"nextDist":0,"nextTime":0})
aiBusModel.updateRouteDetail(
(nodeIndex, 1, 0, 0, 1, roundStatus, toNode["nodeName"],
toNode["lng"], toNode["lat"], routeId, toNode["id"]))
#routeNumber+=toNode["number"]
#更新routeInfo参数表,实现之前保存的参数，替换为当前的参数
if fileId != -1:
aiBusModel.invalidRouteInfo((0, fileId))
aiBusModel.validRouteInfo((1, fileId, routeId))
res.update(code=ResponseCode.Success, msg="路线保存成功！")
return res.data
except Exception as e:
logger.error("saveRouteNode exception:{}".format(str(e)))
res.update(code=ResponseCode.Fail, msg="路线规划结点保存报错！")
return res.data
def planSingleRoute():
"""
单路线规划
"""
res = ResMsg()
try:
logger.info("begin planSingleRoute!")
data = request.get_json()
aiBusModel = AiBusModel()
fileId = data["fileId"]
destination = data["destination"]
waypoints = data["waypoints"]
passengers = data["passengers"] #座位上限
occupancyRate = int(data["occupancyRate"]) #改为上座下限
#初始化相关系数
odometerFactor = 100.0
maxDistance = 1000.0 * 1000 #m
maxDuration = 24 * 3600 #分钟
if "odometerFactor" in data and data["odometerFactor"] != "":
odometerFactor = float(data["odometerFactor"]) #非直线系数(非必选)
if "maxDistance" in data and data["maxDistance"] != "":
maxDistance = float(
data["maxDistance"]) * 1000 #最大行程距离,data["maxDistance"](km)
if "maxDuration" in data and data["maxDuration"] != "":
maxDuration = float(data["maxDuration"]) * 60 #最大行程耗时
roundTrip = data["roundTrip"] #是否往返0,
routeFactor = data["routeFactor"] #路线方案，0时间最短，1距离最短
vehicleType = int(data["vehicleType"]) #车辆类型0为小车方案，1为货车方案
MAXNODE = 20
MINNODE = 2
if not destination:
res.update(code=ResponseCode.Fail, data=[], msg="目的地不能为空！")
return res.data
#1)先判断fileid是否为空
routeNode = []
indexList = []
index = 0
orderNumber = -1 #订单总数
if fileId is not None and fileId != '':
#根据fileId查询文件信息，判断是聚类文件还网点文件
fileInfo = aiBusModel.selectSiteFileStatus(fileId)
if fileInfo and fileInfo["clusterStatus"] == 1:
clusterPoints = aiBusModel.selectClusterResult((1, fileId))
siteInfo = aiBusModel.selectSiteFileStatus(
fileInfo["siteFileId"])
orderNumber = siteInfo["siteCount"]
for point in clusterPoints:
indexList.append(str(index))
routeNode.append({
"index": index,
"nodeName": point["clusterName"],
"lng": format(point["longitude"], '.6f'),
"lat": format(point["latitude"], '.6f'),
"number": point["number"]
})
index += 1
else:
orderNumber = fileInfo["siteCount"]
sitePoints = aiBusModel.selectSiteInfoByFileId(fileId)
for point in sitePoints:
indexList.append(str(index))
routeNode.append({
"index": index,
"nodeName": point["siteName"],
"lng": format(point["longitude"], '.6f'),
"lat": format(point["latitude"], '.6f'),
"number": point["clientNumber"]
})
index += 1
if orderNumber is None or orderNumber <= 0:
orderNumber = passengers
else:
fileId = -1
orderNumber = passengers
#添加途经点
for point in waypoints:
indexList.append(str(index))
routeNode.append({
"index": index,
"nodeName": point["siteName"],
"lng": format(point["lng"], '.6f'),
"lat": format(point["lat"], '.6f'),
"number": point["number"]
})
index += 1
#判断结点数量是否超过限制len(routeNode)>MAXNODE or
if len(routeNode) < MINNODE:
res.update(code=ResponseCode.Fail,
data=[],
msg="路线规划结点数量超过最大限制{}或者小于最小限度{}！".format(
MAXNODE, MINNODE))
return res.data
#判断参数是否冲突
if occupancyRate > passengers:
res.update(code=ResponseCode.Fail,
data=[],
msg="路线规划上座下限必须小于座位上限！")
return res.data
"""
if occupancyRate<=0 or occupancyRate>100:
res.update(code=ResponseCode.Fail,data=[],msg="路线规划上座率下限必须大于{}或者小于{}！".format(0,100))
return res.data
if passengers<int(orderNumber*occupancyRate/100):
res.update(code=ResponseCode.Fail,data=[],msg="最低上座率人数超过座位上限！")
return res.data
"""
#将目标点一起添加至末尾
routeNode.append({
"index": "dest",
"nodeName": destination["siteName"],
"lng": format(destination["lng"], '.6f'),
"lat": format(destination["lat"], '.6f'),
"number": 0
})
indexList.append("dest")
#2)构建结点对，用于获取高德数据
nodePairDict = {}
nodePairList = [] #用于多线程获取高德数据
pointNum = len(indexList)
nodeCostDF = pd.DataFrame(np.zeros([pointNum, pointNum]),
columns=indexList,
index=indexList)
routeNodePair = list(itertools.permutations(routeNode, 2))
paramIds = []
for nodePair in routeNodePair:
fromNode = str(round(float(nodePair[0]["lng"]), 6)) + "," + str(
round(float(nodePair[0]["lat"]), 6))
toNode = str(round(float(nodePair[1]["lng"]), 6)) + "," + str(
round(float(nodePair[1]["lat"]), 6))
#手动生成id,批量查询
paramId = generate_md5_key(fromNode + "," + toNode)
paramIds.append(paramId)
#根据paramIds查询缓存的距离nodePairDistList
nodePairParamsList = aiBusModel.selectRouteParams(
vehicleType, paramIds)
nodePairParamsDict = {}
if nodePairParamsList:
for item in nodePairParamsList:
nodePairParamsDict[item["id"]] = item
#获取nodePair的距离
for nodePair in routeNodePair:
key = str(nodePair[0]["index"]) + "-" + str(nodePair[1]["index"])
fromNode = str(round(float(nodePair[0]["lng"]), 6)) + "," + str(
round(float(nodePair[0]["lat"]), 6))
toNode = str(round(float(nodePair[1]["lng"]), 6)) + "," + str(
round(float(nodePair[1]["lat"]), 6))
paramId = generate_md5_key(fromNode + "," + toNode)
#先判断是否已经存在库中
if paramId in nodePairParamsDict.keys():
item = nodePairParamsDict[paramId]
directDist = getGPSDistance(float(nodePair[0]["lng"]),
float(nodePair[0]["lat"]),
float(nodePair[1]["lng"]),
float(nodePair[1]["lat"]))
nodePairDict[key] = {
"dist": float(item["dist"]),
"time": item["time"],
"directDist": directDist
}
#对df进行赋值
if routeFactor == 0:
nodeCostDF.loc[str(nodePair[0]["index"]),
str(nodePair[1]["index"])] = int(
item["time"])
else:
nodeCostDF.loc[str(nodePair[0]["index"]),
str(nodePair[1]["index"])] = float(
item["dist"])
else:
nodePairList.append({
"key": key,
"origin": fromNode,
"destination": toNode,
"routeType": vehicleType,
"fromNode": nodePair[0],
"toNode": nodePair[1],
"paramId": paramId
})
#从高德获取路径数据
if len(nodePairList) > 0:
nodePairResult = build_process(nodePairList)
for item in nodePairList:
key = item["key"]
nodeItem = nodePairResult[key]
directDist = getGPSDistance(float(item["fromNode"]["lng"]),
float(item["fromNode"]["lat"]),
float(item["toNode"]["lng"]),
float(item["toNode"]["lat"]))
nodePairDict[key] = {
"dist": nodeItem["dist"],
"time": nodeItem["time"],
"directDist": directDist
}
#对df进行赋值
if routeFactor == 0:
nodeCostDF.loc[
str(item["fromNode"]["index"]),
str(item["toNode"]["index"])] = nodeItem["time"]
else:
nodeCostDF.loc[
str(item["fromNode"]["index"]),
str(item["toNode"]["index"])] = nodeItem["dist"]
#存储获取的数据
if item["paramId"] not in nodePairParamsDict.keys():
#startGeo = '{ "type": "Point", "coordinates": [%s, %s]}'%(float(item["fromNode"]["lng"]),float(item["fromNode"]["lat"]))
#endGeo = '{ "type": "Point", "coordinates": [%s, %s]}'%(float(item["toNode"]["lng"]),float(item["toNode"]["lat"]))
aiBusModel.inserRouteParams((item["paramId"],float(item["fromNode"]["lng"]),float(item["fromNode"]["lat"]),\
float(item["toNode"]["lng"]),float(item["toNode"]["lat"]),nodeItem["dist"],nodeItem["time"],directDist,0.0))
else:
aiBusModel.updateRouteParams(
(nodeItem["dist"], nodeItem["time"], directDist,
item["paramId"]))
#3)进行路线规划
logger.info("start single route plan!")
solution = singleRoutePlanByGreedyAlgorithm(routeNode, nodePairDict,
nodeCostDF, passengers,
occupancyRate, orderNumber,
odometerFactor,
maxDistance, maxDuration)
if solution["routeNode"] is None:
res.update(code=ResponseCode.Fail, data=[], msg="未找到满足条件的路线！")
return res.data
else:
#用sa算法进行优化
routeInfo = {
"nodePair": nodePairDict,
"routeNode": solution["routeNode"],
"routeFactor": routeFactor
}
reSolution = singleRoutePlanSolution(routeInfo)
#print("re bestCost:",reSolution["bestRouteCost"])
if solution["bestRouteCost"] > reSolution["bestRouteCost"]:
solution["routeNode"] = reSolution["routeNode"]
#找出最后一段顺路点
if len(solution["routeNode"]) > 1:
lastNode = solution["routeNode"][len(solution["routeNode"]) - 2]
fromNode = str(round(float(lastNode["lng"]), 6)) + "," + str(
round(float(lastNode["lat"]), 6))
toNode = str(round(float(destination["lng"]), 6)) + "," + str(
round(float(destination["lat"]), 6))
polyline = get_driving_polyline(fromNode, toNode)
solution = findOnwayRouteNode(solution, polyline)
if solution["routeNumber"] < occupancyRate:
res.update(code=ResponseCode.Fail, data=[], msg="未找到满足条件的路线！")
return res.data
logger.info("end single route plan!")
#4)保存路线规划结果,获取最优路径的行程距离、行程时间、直线距离
routeList = []
############往程################
nodeIndex = 0
routeDist = 0
routeTime = 0
routeNumber = 0
directDist = 0
routeNodeList = []
for i in range(len(solution["routeNode"]) - 1):
fromNode = solution["routeNode"][i]
toNode = solution["routeNode"][i + 1]
key = str(fromNode["index"]) + "-" + str(toNode["index"])
routeDist += nodePairDict[key]["dist"]
routeTime += nodePairDict[key]["time"]
directDist += getGPSDistance(float(fromNode["lng"]),
float(fromNode["lat"]),
float(toNode["lng"]),
float(toNode["lat"]))
routeNumber += fromNode["number"]
routeNodeList.append({"nodeIndex":nodeIndex,"nodeName":fromNode["nodeName"],\
"lng":float(fromNode["lng"]),"lat":float(fromNode["lat"]),"number":fromNode["number"],\
"nextDist":nodePairDict[key]["dist"],"nextTime":nodePairDict[key]["time"]})
nodeIndex += 1
#添加终点
routeNodeList.append({"nodeIndex":nodeIndex,"nodeName":destination["siteName"],\
"lng":float(destination["lng"]),"lat":float(destination["lat"]),"number":0,"nextDist":0,"nextTime":0})
#存储路线结点
routeUuid = uuid.uuid1().int
aiBusModel.insertRouteInfo((fileId,routeUuid,destination["siteName"],\
destination["lng"],destination["lat"],passengers,occupancyRate,odometerFactor,\
routeFactor,roundTrip,json.dumps(waypoints),maxDistance,maxDuration,vehicleType,2))
for node in routeNodeList:
aiBusModel.insertRouteDetail((fileId,routeUuid,0,node["nodeIndex"],node["nodeName"],2,\
node["lng"],node["lat"],node["number"],node["nextDist"],node["nextTime"],1,1))
for i, node in enumerate(solution["invalidRouteNode"]):
aiBusModel.insertRouteDetail((fileId,routeUuid,0,i,node["nodeName"],2,\
node["lng"],node["lat"],node["number"],0,0,0,1))
#查询路线结点及未规划的结点
routeOccupancyRate = int(routeNumber / orderNumber * 100)
routeNodeResult1 = aiBusModel.selectRouteDetail((routeUuid, 2, 0, 1))
invalidRouteNodeResult = aiBusModel.selectRouteDetail(
(routeUuid, 2, 0, 0))
invalidNodeList = []
for routeNode in invalidRouteNodeResult:
invalidNodeList.append({
"id": routeNode["id"],
"lat": routeNode["lat"],
"lng": routeNode["lng"],
"nodeIndex": routeNode["nodeIndex"],
"nodeName": routeNode["nodeName"],
"number": routeNode["number"]
})
routeList.append({"routeId":routeUuid,"routeDist":int(routeDist),\
"routeTime":routeTime,"routeNumber":routeNumber,"orderNumber":orderNumber,\
"routeOccupancyRate":routeOccupancyRate,"roundStatus":0,\
"routeNodeList":routeNodeResult1,"invalidNodeList":invalidNodeList})
#############返程################
if roundTrip == 1:
roundRouteDist = 0
roundRouteTime = 0
roundDirectDist = 0
roundRouteNodeList = []
nodeIndex = 0
for i in range(len(solution["routeNode"]) - 1, 0, -1):
fromNode = solution["routeNode"][i]
toNode = solution["routeNode"][i - 1]
key = str(fromNode["index"]) + "-" + str(toNode["index"])
roundRouteDist += nodePairDict[key]["dist"]
roundRouteTime += nodePairDict[key]["time"]
roundDirectDist += getGPSDistance(float(fromNode["lng"]),
float(fromNode["lat"]),
float(toNode["lng"]),
float(toNode["lat"]))
roundRouteNodeList.append({"nodeIndex":nodeIndex,"nodeName":fromNode["nodeName"],\
"lng":float(fromNode["lng"]),"lat":float(fromNode["lat"]),"number":fromNode["number"],\
"nextDist":nodePairDict[key]["dist"],"nextTime":nodePairDict[key]["time"]})
nodeIndex += 1
if i == 1:
roundRouteNodeList.append({"nodeIndex":nodeIndex,"nodeName":toNode["nodeName"],\
"lng":float(toNode["lng"]),"lat":float(toNode["lat"]),"number":toNode["number"],\
"nextDist":0,"nextTime":0})
#存储结点
for node in roundRouteNodeList:
aiBusModel.insertRouteDetail((fileId,routeUuid,1,node["nodeIndex"],node["nodeName"],2,\
node["lng"],node["lat"],node["number"],node["nextDist"],node["nextTime"],1,1))
for i, node in enumerate(solution["invalidRouteNode"]):
aiBusModel.insertRouteDetail((fileId,routeUuid,1,i,node["nodeName"],2,\
node["lng"],node["lat"],node["number"],0,0,0,1))
#查询路线结点及未规划的结点
routeNodeResult2 = aiBusModel.selectRouteDetail(
(routeUuid, 2, 1, 1))
invalidRouteNodeResult = aiBusModel.selectRouteDetail(
(routeUuid, 2, 1, 0))
invalidNodeList = []
for routeNode in invalidRouteNodeResult:
invalidNodeList.append({
"id": routeNode["id"],
"lat": routeNode["lat"],
"lng": routeNode["lng"],
"nodeIndex": routeNode["nodeIndex"],
"nodeName": routeNode["nodeName"],
"number": routeNode["number"]
})
routeList.append({"routeId":routeUuid,"routeDist":int(roundRouteDist),\
"routeTime":roundRouteTime,"routeNumber":routeNumber,"orderNumber":orderNumber,\
"routeOccupancyRate":routeOccupancyRate,"roundStatus":1,\
"routeNodeList":routeNodeResult2,"invalidNodeList":invalidNodeList})
res.update(code=ResponseCode.Success,
data={
"destination": destination,
"routeList": routeList
})
return res.data
except Exception as e:
logger.error("planSingleRoute exception:{}".format(str(e)))
res.update(code=ResponseCode.Fail, msg=str(e))
return res.data