How to use setHeuristic method in fMBT

Best Python code snippet using fMBT_python

Node.py

Source:Node.py

...17    #depending on the number of received parameters18        #if a node is received (just 1 single argument)19        if len(args) == 1: 20            self.setCost(args[0].getCost())21            self.setHeuristic(args[0].getHeuristic())22            self.setEvaluation(args[0].getEvaluation())23            self.setParent(args[0].getParent())24            self.setNextNode(args[0].getNextNode())25            self.setListSatellites(args[0].getListSatellites())26            self.setListObservations(args[0].getListObservations())27        28        #receiving 3 paremeters: parentNode, list of satellites and list of observations29        if len(args) == 3:30            self.setParent(args[0])31            self.setListSatellites(args[1])32            self.setListObservations(args[2])33    #COMPUTE HEURISTIC34    #------------------------------------------------------------------------------------------------------------------------------ 35    #method that computes the heuristic36    #it receives the final node to where to the heuristics will be calculated and 37    #the heuristic function that will be employed. There are two options: Manhattan and Hamming distance38    def computeHeuristic(self, finalNode, heuristicType):39        self.setHeuristic(0)40        if(heuristicType == "manhattan"):       #Manhattan distance41            for satellite in self.__listSatellites:42                for observation in self.__listObservations:43                    self.setHeuristic(abs(satellite.getPosition() - observation.getPosition()) + abs(satellite.getBand() - observation.getBand()))44        elif(heuristicType == "hamming"):       #Hamming distance45            for n in range(len(finalNode.getListSatellites())):46                if (self.getListSatellites()[n] != finalNode.getListSatellites()[n]):47                    self.setHeuristic(self.getHeuristic() +1 )48			       49                    50            51    #EQUALS52    #------------------------------------------------------------------------------------------------------------------------------ 53    #method that checks if the information from another node is equal to the one we have54    def equals (self,otherNode):55        #print("In method equals, observations: {0} {1}".format(len(self.__listObservations), range(len(self.__listObservations))))56        #checking that the lists of observations are equal, but looping through through them57        for x in range(len(self.__listObservations)):58            if (self.__listObservations[x].getIdNumber() != otherNode.getListObservations()[x].getIdNumber()59            or self.__listObservations[x].getBand() != otherNode.getListObservations()[x].getBand()60            or self.__listObservations[x].getPosition() != otherNode.getListObservations()[x].getPosition()61            or self.__listObservations[x].getMeasured() != otherNode.getListObservations()[x].getMeasured()):62                return False63        #checking that the lists of satellites are equal, but looping through through them64        #print("In method equals, satellites: {0} {1}".format(len(self.__listObservations), range(len(self.__listObservations))))65        for x in range(len(self.__listSatellites)):66            if (self.__listSatellites[x].getIdNumber() != otherNode.getListSatellites()[x].getIdNumber()67            or self.__listSatellites[x].getBand() != otherNode.getListSatellites()[x].getBand()68            or self.__listSatellites[x].getPosition() != otherNode.getListSatellites()[x].getPosition()69            or self.__listSatellites[x].getEnergy() != otherNode.getListSatellites()[x].getEnergy() ):70                return False71        return True  #otherwise, they are equal, so "true" is returned 72    73    #COMPUTE EVALUATION74    #------------------------------------------------------------------------------------------------------------------------------ 75    76    #method that executes the evaluation function of the problem for the node77    def computeEvaluation(self):78        self.__evaluation = self.__cost + self.__heuristic79    80    #SETTERS81    #------------------------------------------------------------------------------------------------------------------------------ 82 83    def setCost(self, cost):84        self.__cost = cost85    def setHeuristic(self, heuristic):86        self.__heuristic = heuristic87    def setEvaluation(self, evaluation):88        self.__evaluation = evaluation89    def setParent(self, parent):90        self.__parent = parent91    def setNextNode(self, nextNodeList):92        self.__nextNodeList = nextNodeList93    def setListSatellites (self, satellites):94        self.__listSatellites = satellites95    def setListObservations (self, observations):96        self.__listObservations = observations97   98     #GETTERS99     #------------------------------------------------------------------------------------------------------------------------------ ...

Graph.py

Source:Graph.py

...5        self.name = node_name6        self.heuristic = 07        self.posX = posX8        self.posY - posY9    def setHeuristic(self, goal):10        self.heuristic = math.sqrt(math.pow((self.posX - goal.posX),2) + math.pow((self.posY - goal.posY),2))11class Edge:12    def __init__(self, node1, node2, weight):13        self.node1 = node1.name14        self.node2 = node2.name15        self.weight = weight16class Graph:17    def __init__(self):18        self.graf = {}19        self.Node = {}20    def addEdge(self, froms, goals, weight):21        if (froms not in self.graf):22            self.graf[froms] = {}23        if (goals not in self.graf):24            self.graf[goals] = {}25        self.graf[froms][goals] = weight26        self.graf[goals][froms] = weight27    def getHeuristic(self, node):28        return self.Node[node][2]29    30    def getPos(self, node):31        return self.Node[node][0], self.Node[node][1]32    33    def addNode(self, nama, posX, posY):34        if (nama in self.Node.keys()):35            return36        self.Node[nama] = [posX, posY, 0]37    def setHeuristic(self, goals):38        for item in self.Node.keys():39            self.Node[item][2] = math.sqrt(math.pow((self.Node[item][0] - self.Node[goals][0]),2) + math.pow((self.Node[item][1] - self.Node[goals][1]),2))40'''41g1 = Graph()42g1.addNode('A', 40, 23)43g1.addNode('B', 23, 44)44g1.addNode('C', 74, 55)45g1.addNode('D', 24, 45)46g1.addEdge('A', 'B', 5)47g1.addEdge('B', 'C', 3)48g1.setHeuristic('C')49a1 = Astar()...

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