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ft_TBHP.h
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ft_TBHP.h
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/*-------------------------------------------------------
FAST-TrIPs: Flexible Assignment and Simulation Tool for Transit and Intermodal Passengers
Copyright 2014 Alireza Khani and Mark Hickman
Licensed under the Apache License, Version 2.0
-------------------------------------------------------
Code primarily written by Alireza Khani
Under supervision of Mark Hickman
Contact:
Alireza Khani: akhani@utexas.edu or akhani@email.arizona.edu
Mark Hickman: m.hickman1@uq.edu.au
-------------------------------------------------------
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-------------------------------------------------------*/
#include <time.h>
#include <stdlib.h>
using namespace std;
//////////////////////////////////////////////////////////////////////////////////////////////////////////
int forwardTBHP(string _origin, double _PDT, int _timeBuffer){
int i, j, numIterations, permanentLabel, tmpTransferStop;
int tmpNumAccess, tmpNumTransfers, tmpSeqNum, tmpMaxSeq;
double tmpCurrentLabel, tmpEarliestArrival, tmpOldLabel, tmpNewLabel, tmpNewCost, tmpNonWalkLabel;
double tmpAccessTime, tmpTransferTime, tmpNewDeparture, tmpNewArrival, tmpInVehTime, tmpWaitingTime;
string buf, tmpStr, tmpQueuvalue, tmpCurrentStop, tmpNewStop, tmpAccessibleTrips, tmpTrip, tmpCurrentMode, tmpNewMode;
char chr[99];
vector<string> tokens;
list<taz*>::iterator tmpTazListIter;
taz* tmpTazPntr;
list<stop*>::iterator tmpStopListIter;
stop* tmpStopPntr;
list<trip*>::iterator tmpTripListIter;
trip* tmpTripPntr;
priority_queue<string> stopQueue;
//Initialization
for(tmpTazListIter=tazList.begin();tmpTazListIter!=tazList.end();tmpTazListIter++){
tmpTazPntr = NULL;
tmpTazPntr = *tmpTazListIter;
tmpTazPntr->resetTazStrategy();
}
for(tmpStopListIter=stopList.begin();tmpStopListIter!=stopList.end();tmpStopListIter++){
tmpStopPntr = NULL;
tmpStopPntr = *tmpStopListIter;
tmpStopPntr->resetStopStrategy();
}
for(tmpTripListIter=tripList.begin();tmpTripListIter!=tripList.end();tmpTripListIter++){
tmpTripPntr = NULL;
tmpTripPntr = *tmpTripListIter;
tmpTripPntr->resetTripUsedBefore(0);
}
stopQueue.empty();
//Access from Origin TAZ
tmpTazPntr = NULL;
tmpTazPntr = tazSet[_origin];
tmpTazPntr->forwardStrategyUpdate(1, _PDT, "Start", 1);
tmpNumAccess = tmpTazPntr->getNumStops();
for(i=0;i<tmpNumAccess;i++){
tmpNewStop = tmpTazPntr->getStop(i);
tmpAccessTime = tmpTazPntr->getAccessTime(i);
tmpNewCost = 1 + originWalkEqv * tmpAccessTime;
tmpNewLabel = tmpNewCost;
tmpNewArrival = _PDT + tmpAccessTime;
stopSet[tmpNewStop]->forwardStrategyUpdate(tmpNewLabel, tmpNewArrival, "Access", _origin, tmpNewCost, -101);
sprintf(chr,"%d",int(999999-tmpNewLabel*1000));
tmpQueuvalue = string(chr);
tmpStr.resize(6-tmpQueuvalue.length(),'0');
tmpQueuvalue = tmpStr + tmpQueuvalue + tmpNewStop;
stopQueue.push(tmpQueuvalue);
}
//Labeling loop
numIterations = 0;
while(stopQueue.size()>0){
tmpStr = stopQueue.top();
stopQueue.pop();
tmpCurrentStop = tmpStr.substr(6,99);
tmpStopPntr = NULL;
tmpStopPntr = stopSet[tmpCurrentStop];
tmpCurrentLabel = tmpStopPntr->getStrategyLabel();
tmpNonWalkLabel = tmpStopPntr->getForwardNonWalkLabel();
tmpEarliestArrival = tmpStopPntr->getStrategyEarliestArrival();
tmpCurrentMode = tmpStopPntr->getArrivalTripId(0);
permanentLabel = tmpStopPntr->getStrategyPermanentLabel();
tmpTransferStop = tmpStopPntr->getTransferStop();
if(permanentLabel==1 || tmpTransferStop==0){
continue;
}else{
tmpStopPntr->setStrategyPermanentLabel();
}
//Update by Transfers
if(tmpCurrentMode!="Access"){
tmpNumTransfers = tmpStopPntr->getNumTransfers();
for(i=0;i<tmpNumTransfers;i++){
tmpNewStop = tmpStopPntr->getTransfer(i);
tmpTransferTime = tmpStopPntr->getTransferTime(i);
tmpNewCost = tmpNonWalkLabel + transferWalkEqv * tmpTransferTime;
tmpOldLabel = stopSet[tmpNewStop]->getStrategyLabel();
if(tmpOldLabel == 999999){
tmpNewLabel = tmpNewCost;
}else{
tmpNewLabel = exp(-1.0*theta*tmpOldLabel)+exp(-1.0*theta*tmpNewCost);
tmpNewLabel = max(0.01,-1.0/theta*log(tmpNewLabel));
}
if(tmpNewLabel < 0){
cout <<"Error - Negative Label - 1"<<endl;
}
if(tmpNewLabel < 999 && tmpNewLabel > 0){
tmpNewArrival = tmpEarliestArrival + tmpTransferTime;
stopSet[tmpNewStop]->forwardStrategyUpdate(tmpNewLabel, tmpNewArrival, "Transfer", tmpCurrentStop, tmpNewCost, -101);
sprintf(chr,"%d",int(999999-tmpNewLabel*1000));
tmpQueuvalue = string(chr);
tmpStr.resize(6-tmpQueuvalue.length(),'0');
tmpQueuvalue = tmpStr + tmpQueuvalue + tmpNewStop;
stopQueue.push(tmpQueuvalue);
}
}
}
//Update by Trips
tmpAccessibleTrips = tmpStopPntr->getForwardAccessibleTrips(tmpEarliestArrival, _timeBuffer);
buf.clear();
tokens.clear();
stringstream ss(tmpAccessibleTrips);
while (ss >> buf){
tokens.push_back(buf);
}
for(i=0;i<tokens.size();i=i+2){
tmpTrip = tokens[i];
tmpSeqNum = atoi(tokens[i+1].c_str());
tmpTripPntr = tripSet[tmpTrip];
if (tmpTripPntr->getTripUsedBefore(0)==1){
continue;
}
tmpMaxSeq = tmpTripPntr->getMaxSequence();
for(j=tmpSeqNum+1;j<=tmpMaxSeq;j++){
//for(j=max(1,tmpSeqNum-1);j<tmpSeqNum;j++){ //LB
tmpNewStop = tmpTripPntr->getStop(j);
tmpNewMode = stopSet[tmpNewStop]->getArrivalTripId(0);
if(tmpNewMode=="Access"){
continue;
}
tmpNewArrival = tmpTripPntr->getSchArrival(j);
tmpNewDeparture = tmpTripPntr->getSchDeparture(tmpSeqNum);
tmpInVehTime = tmpNewArrival - tmpNewDeparture;
tmpWaitingTime = tmpNewDeparture - tmpEarliestArrival;
if(tmpCurrentMode=="Transfer" || tmpCurrentMode.substr(0,1)=="t"){
tmpNewCost = tmpCurrentLabel + tmpInVehTime + waitingEqv * tmpWaitingTime + 60.0*fare/VOT + transferPenalty;
}else{
tmpNewCost = tmpCurrentLabel + tmpInVehTime + scheduleDelayEqv * tmpWaitingTime + 60.0*fare/VOT;
}
/*if ((tmpTripPntr->getRouteId()).length()>3 && (tmpTripPntr->getRouteId()).substr(1,1)=="9"){
tmpNewCost = tmpNewCost + (60.0*1.50)/VOT;
}*/
tmpOldLabel = stopSet[tmpNewStop]->getStrategyLabel();
if(tmpOldLabel == 999999){
tmpNewLabel = tmpNewCost;
}else{
tmpNewLabel = exp(-1.0*theta*tmpOldLabel)+exp(-1.0*theta*tmpNewCost);
tmpNewLabel = max(0.01,-1.0/theta*log(tmpNewLabel));
}
if(tmpNewLabel < 0){
cout <<"Error - Negative Label - 2"<<endl;
}
if(tmpNewLabel < 999 && tmpNewLabel > 0){
stopSet[tmpNewStop]->forwardStrategyUpdate(tmpNewLabel, tmpNewArrival, tmpTrip, tmpCurrentStop, tmpNewCost, tmpNewDeparture);
sprintf(chr,"%d",int(999999-tmpNewLabel*1000));
tmpQueuvalue = string(chr);
tmpStr.resize(6-tmpQueuvalue.length(),'0');
tmpQueuvalue = tmpStr + tmpQueuvalue + tmpNewStop;
stopQueue.push(tmpQueuvalue);
}
}
tmpTripPntr->setTripUsedBefore(0);
}
numIterations++;
}
//Connect to All Other TAZ Centroid
for(tmpTazListIter=tazList.begin();tmpTazListIter!=tazList.end();tmpTazListIter++){
tmpTazPntr = NULL;
tmpTazPntr = *tmpTazListIter;
tmpNumAccess = tmpTazPntr->getNumStops();
for(i=0;i<tmpNumAccess;i++){
tmpOldLabel = tmpTazPntr->getStrategyLabel();
tmpNewStop = tmpTazPntr->getStop(i);
tmpAccessTime = tmpTazPntr->getAccessTime(i);
tmpNewArrival = stopSet[tmpNewStop]->getStrategyLatestArrival() - tmpAccessTime;
tmpNonWalkLabel = stopSet[tmpNewStop]->getForwardNonWalkLabel();
tmpNewCost = tmpNonWalkLabel + originWalkEqv * tmpAccessTime;
if(tmpOldLabel == 999999){
tmpNewLabel = tmpNewCost;
}else{
tmpNewLabel = exp(-1.0*theta*tmpOldLabel)+exp(-1.0*theta*tmpNewCost);
tmpNewLabel = max(0.01,-1.0/theta*log(tmpNewLabel));
}
if(tmpNewLabel < 0){
cout <<"Error - Negative Label - 3"<<endl;
}
if(tmpNewLabel < 999 && tmpNewLabel > 0){
tmpTazPntr->forwardStrategyUpdate(tmpNewLabel, tmpNewArrival, tmpNewStop, tmpNewCost);
}
}
}
return numIterations;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////
int backwardTBHP(string _destination, double _PAT, int _timeBuffer){
int i, j, numIterations, permanentLabel, tmpTransferStop;;
int tmpNumAccess, tmpNumTransfers, tmpSeqNum;
double tmpCurrentLabel, tmpLatestDeparture, tmpEarliestDeparture, tmpOldLabel, tmpNewLabel, tmpNewCost, tmpNonWalkLabel;
double tmpAccessTime, tmpTransferTime, tmpNewDeparture, tmpNewArrival, tmpInVehTime, tmpWaitingTime;
string buf, tmpStr, tmpQueuvalue, tmpCurrentStop, tmpNewStop, tmpAccessibleTrips, tmpTrip, tmpCurrentMode, tmpNewMode;
char chr[99];
vector<string> tokens;
list<taz*>::iterator tmpTazListIter;
taz* tmpTazPntr;
list<stop*>::iterator tmpStopListIter;
stop* tmpStopPntr;
list<trip*>::iterator tmpTripListIter;
trip* tmpTripPntr;
priority_queue<string> stopQueue;
//Initialization
for(tmpTazListIter=tazList.begin();tmpTazListIter!=tazList.end();tmpTazListIter++){
tmpTazPntr = NULL;
tmpTazPntr = *tmpTazListIter;
tmpTazPntr->resetTazStrategy();
}
for(tmpStopListIter=stopList.begin();tmpStopListIter!=stopList.end();tmpStopListIter++){
tmpStopPntr = NULL;
tmpStopPntr = *tmpStopListIter;
tmpStopPntr->resetStopStrategy();
}
for(tmpTripListIter=tripList.begin();tmpTripListIter!=tripList.end();tmpTripListIter++){
tmpTripPntr = NULL;
tmpTripPntr = *tmpTripListIter;
tmpTripPntr->resetTripUsedBefore(0);
}
stopQueue.empty();
//Egress to Destination TAZ
tmpTazPntr = NULL;
tmpTazPntr = tazSet[_destination];
tmpTazPntr->backwardStrategyUpdate(1, _PAT, "End", 1);
tmpNumAccess = tmpTazPntr->getNumStops();
for(i=0;i<tmpNumAccess;i++){
tmpNewStop = tmpTazPntr->getStop(i);
tmpAccessTime = tmpTazPntr->getAccessTime(i);
tmpNewCost = 1 + destinationWalkEqv * tmpAccessTime;
tmpNewLabel = tmpNewCost;
tmpNewDeparture = _PAT - tmpAccessTime;
stopSet[tmpNewStop]->backwardStrategyUpdate(tmpNewLabel, tmpNewDeparture, "Egress", _destination, tmpNewCost, -101);
sprintf(chr,"%d",int(999999-tmpNewLabel*1000));
tmpQueuvalue = string(chr);
tmpStr.resize(6-tmpQueuvalue.length(),'0');
tmpQueuvalue = tmpStr + tmpQueuvalue + tmpNewStop;
stopQueue.push(tmpQueuvalue);
}
//Labeling loop
numIterations = 0;
while(stopQueue.size()>0){
tmpStr = stopQueue.top();
stopQueue.pop();
tmpCurrentStop = tmpStr.substr(6,99);
tmpStopPntr = NULL;
tmpStopPntr = stopSet[tmpCurrentStop];
tmpCurrentLabel = tmpStopPntr->getStrategyLabel();
tmpNonWalkLabel = tmpStopPntr->getBackwardNonWalkLabel();
tmpLatestDeparture = tmpStopPntr->getStrategyLatestDeparture();
tmpEarliestDeparture = tmpStopPntr->getStrategyEarliestDeparture();
tmpCurrentMode = tmpStopPntr->getDepartureTripId(0);
permanentLabel = tmpStopPntr->getStrategyPermanentLabel();
tmpTransferStop = tmpStopPntr->getTransferStop();
if(permanentLabel==1 || tmpTransferStop==0){
continue;
}else{
tmpStopPntr->setStrategyPermanentLabel();
}
//Update by Transfers
if(tmpCurrentMode!="Egress"){
tmpNumTransfers = tmpStopPntr->getNumTransfers();
for(i=0;i<tmpNumTransfers;i++){
tmpNewStop = tmpStopPntr->getTransfer(i);
tmpTransferTime = tmpStopPntr->getTransferTime(i);
tmpNewCost = tmpNonWalkLabel + transferWalkEqv * tmpTransferTime;
tmpOldLabel = stopSet[tmpNewStop]->getStrategyLabel();
if(tmpOldLabel == 999999){
tmpNewLabel = tmpNewCost;
}else{
tmpNewLabel = exp(-1.0*theta*tmpOldLabel)+exp(-1.0*theta*tmpNewCost);
tmpNewLabel = max(0.01,-1.0/theta*log(tmpNewLabel));
}
if(tmpNewLabel < 0){
cout <<"Error - Negative Label - 1"<<endl;
}
if(tmpNewLabel < 999 && tmpNewLabel > 0){
tmpNewDeparture = tmpLatestDeparture - tmpTransferTime;
stopSet[tmpNewStop]->backwardStrategyUpdate(tmpNewLabel, tmpNewDeparture, "Transfer", tmpCurrentStop, tmpNewCost, -101);
sprintf(chr,"%d",int(999999-tmpNewLabel*1000));
tmpQueuvalue = string(chr);
tmpStr.resize(6-tmpQueuvalue.length(),'0');
tmpQueuvalue = tmpStr + tmpQueuvalue + tmpNewStop;
stopQueue.push(tmpQueuvalue);
}
}
}
//Update by Trips
tmpAccessibleTrips = tmpStopPntr->getBackwardAccessibleTrips(tmpLatestDeparture, _timeBuffer);
buf.clear();
tokens.clear();
stringstream ss(tmpAccessibleTrips);
while (ss >> buf){
tokens.push_back(buf);
}
for(i=0;i<tokens.size();i=i+2){
tmpTrip = tokens[i];
tmpSeqNum = atoi(tokens[i+1].c_str());
tmpTripPntr = tripSet[tmpTrip];
if (tmpTripPntr->getTripUsedBefore(0)==1){
continue;
}
for(j=1;j<tmpSeqNum;j++){
//for(j=max(1,tmpSeqNum-1);j<tmpSeqNum;j++){ //LB
tmpNewStop = tmpTripPntr->getStop(j);
tmpNewMode = stopSet[tmpNewStop]->getDepartureTripId(0);
if(tmpNewMode=="Egress"){
continue;
}
tmpNewDeparture = tmpTripPntr->getSchDeparture(j);
tmpNewArrival = tmpTripPntr->getSchArrival(tmpSeqNum);
tmpInVehTime = tmpNewArrival - tmpNewDeparture;
tmpWaitingTime = tmpLatestDeparture - tmpNewArrival;
if(tmpCurrentMode=="Transfer" || tmpCurrentMode.substr(0,1)=="t"){
tmpNewCost = tmpCurrentLabel + tmpInVehTime + waitingEqv * tmpWaitingTime + 60.0*fare/VOT + transferPenalty;
}else{
tmpNewCost = tmpCurrentLabel + tmpInVehTime + scheduleDelayEqv * tmpWaitingTime + 60.0*fare/VOT;
}
/*if ((tmpTripPntr->getRouteId()).length()>3 && (tmpTripPntr->getRouteId()).substr(1,1)=="9"){
tmpNewCost = tmpNewCost + (60.0*1.50)/VOT;
}*/
tmpOldLabel = stopSet[tmpNewStop]->getStrategyLabel();
if(tmpOldLabel == 999999){
tmpNewLabel = tmpNewCost;
}else{
tmpNewLabel = exp(-1.0*theta*tmpOldLabel)+exp(-1.0*theta*tmpNewCost);
tmpNewLabel = max(0.01,-1.0/theta*log(tmpNewLabel));
}
if(tmpNewLabel < 0){
cout <<"Error - Negative Label - 2"<<endl;
}
if(tmpNewLabel < 999 && tmpNewLabel > 0){
stopSet[tmpNewStop]->backwardStrategyUpdate(tmpNewLabel, tmpNewDeparture, tmpTrip, tmpCurrentStop, tmpNewCost, tmpNewArrival);
sprintf(chr,"%d",int(999999-tmpNewLabel*1000));
tmpQueuvalue = string(chr);
tmpStr.resize(6-tmpQueuvalue.length(),'0');
tmpQueuvalue = tmpStr + tmpQueuvalue + tmpNewStop;
stopQueue.push(tmpQueuvalue);
}
}
tmpTripPntr->setTripUsedBefore(0);
}
numIterations++;
}
//Connect to All Other TAZ Centroid
for(tmpTazListIter=tazList.begin();tmpTazListIter!=tazList.end();tmpTazListIter++){
tmpTazPntr = NULL;
tmpTazPntr = *tmpTazListIter;
tmpNumAccess = tmpTazPntr->getNumStops();
for(i=0;i<tmpNumAccess;i++){
tmpOldLabel = tmpTazPntr->getStrategyLabel();
tmpNewStop = tmpTazPntr->getStop(i);
tmpAccessTime = tmpTazPntr->getAccessTime(i);
tmpNewDeparture = stopSet[tmpNewStop]->getStrategyEarliestDeparture() - tmpAccessTime;
tmpNonWalkLabel = stopSet[tmpNewStop]->getBackwardNonWalkLabel();
tmpNewCost = tmpNonWalkLabel + originWalkEqv * tmpAccessTime;
if(tmpOldLabel == 999999){
tmpNewLabel = tmpNewCost;
}else{
tmpNewLabel = exp(-1.0*theta*tmpOldLabel)+exp(-1.0*theta*tmpNewCost);
tmpNewLabel = max(0.01,-1.0/theta*log(tmpNewLabel));
}
if(tmpNewLabel < 0){
cout <<"Error - Negative Label - 3"<<endl;
}
if(tmpNewLabel < 999 && tmpNewLabel > 0){
tmpTazPntr->backwardStrategyUpdate(tmpNewLabel, tmpNewDeparture, tmpNewStop, tmpNewCost);
}
}
}
return numIterations;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
string getForwardElementaryPath(string _destination, double _PAT){
int tmpStrLen;
string tmpStr, tmpIn, tmpCurrentStop, tmpNewStop, tmpCurrentTrip, tmpAccessLink, tmpTransferLink, tmpLastTrip, tmpFirstTrip, tmpFirstStop;
double tmpDepartureTime, tmpStartTime, tmpEndTime;
string buf, tmpBoardingStops, tmpAlightingStops, tmpTrips, tmpWalkingTimes, tmpPath;
vector<string> tokens;
char chr[99];
tmpIn = tazSet[_destination]->getForwardAssignedAlternative(1800);
if(tmpIn=="-101"){
//cout <<"C1"<<endl;
return "-101";
}
buf.clear();
tokens.clear();
stringstream ss(tmpIn);
while (ss >> buf){
tokens.push_back(buf);
}
tmpCurrentStop = tokens[0];
tmpEndTime = atof(tokens[1].c_str())/100;
tmpAccessLink = _destination + "," + tmpCurrentStop;
sprintf(chr,"%d",int(100*accessTimes[tmpAccessLink]));
tmpIn = string(chr);
tmpStrLen = tmpIn.length();
tmpWalkingTimes = tmpIn.substr(0,max(0,tmpStrLen-2)) + ".";
if(tmpStrLen<2) tmpWalkingTimes = tmpWalkingTimes + "0";
tmpWalkingTimes = tmpWalkingTimes + tmpIn.substr(max(0,tmpStrLen-2),2);
tmpDepartureTime = tmpEndTime - accessTimes[tmpAccessLink];
tmpLastTrip = "Egress";
while(1){
tmpIn = stopSet[tmpCurrentStop]->getForwardAssignedAlternative(tmpDepartureTime, tmpLastTrip);
if(tmpIn=="-101"){
//cout <<"C2"<<endl;
return "-101";
}
buf.clear();
tokens.clear();
stringstream ss(tmpIn);
while (ss >> buf){
tokens.push_back(buf);
}
tmpNewStop = tokens[0];
tmpCurrentTrip = tokens[1];
if(tmpNewStop.substr(0,1)=="s"){
tmpFirstStop = tmpNewStop;
}
if(tmpCurrentTrip.substr(0,1)=="t"){
tmpFirstTrip = tmpCurrentTrip;
}
if(tmpCurrentTrip=="Access"){
tmpAccessLink = tmpNewStop + "," + tmpCurrentStop;
sprintf(chr,"%d",int(100*accessTimes[tmpAccessLink]));
tmpIn = string(chr);
tmpStrLen = tmpIn.length();
tmpWalkingTimes = tmpIn.substr(max(0,tmpStrLen-2),2) + "," + tmpWalkingTimes;
if(tmpStrLen<2) tmpWalkingTimes = "0" + tmpWalkingTimes;
tmpWalkingTimes = tmpIn.substr(0,max(0,tmpStrLen-2)) + "." + tmpWalkingTimes;
tmpStartTime = tripSet[tmpFirstTrip]->getSchDepartureByStop(tmpFirstStop) - accessTimes[tmpAccessLink];
sprintf(chr,"%d",int(100*tmpStartTime));
tmpStr = string(chr);
tmpStrLen = tmpStr.length();
tmpPath = tmpStr.substr(0,max(0,tmpStrLen-2)) + ".";
if(tmpStrLen<2) tmpPath = tmpPath + "0";
tmpPath = tmpPath + tmpStr.substr(max(0,tmpStrLen-2),2);
tmpPath.append("\t");
tmpPath.append(tmpBoardingStops);
tmpPath.append("\t");
tmpPath.append(tmpTrips);
tmpPath.append("\t");
tmpPath.append(tmpAlightingStops);
tmpPath.append("\t");
tmpPath.append(tmpWalkingTimes);
return tmpPath;
}else if(tmpCurrentTrip=="Transfer"){
tmpTransferLink = tmpCurrentStop + "," + tmpNewStop;
sprintf(chr,"%d",int(100*transferTimes[tmpTransferLink]));
tmpIn = string(chr);
tmpStrLen = tmpIn.length();
tmpWalkingTimes = tmpIn.substr(max(0,tmpStrLen-2),2) + "," + tmpWalkingTimes;
if(tmpStrLen<2) tmpWalkingTimes = "0" + tmpWalkingTimes;
tmpWalkingTimes = tmpIn.substr(0,max(0,tmpStrLen-2)) + "." + tmpWalkingTimes;
tmpDepartureTime = tmpDepartureTime - transferTimes[tmpTransferLink];
tmpLastTrip = tmpCurrentTrip;
}else if(tmpCurrentTrip.substr(0,1)=="t"){
if(tmpBoardingStops!="") tmpBoardingStops = "," + tmpBoardingStops;
tmpBoardingStops = tmpNewStop + tmpBoardingStops;
if(tmpAlightingStops!="") tmpAlightingStops = "," + tmpAlightingStops;
tmpAlightingStops = tmpCurrentStop + tmpAlightingStops;
if(tmpTrips!="") tmpTrips = "," + tmpTrips;
tmpTrips = tmpCurrentTrip + tmpTrips;
if(tmpLastTrip.substr(0,1)=="t") tmpWalkingTimes = "0," + tmpWalkingTimes;
tmpDepartureTime = atof(tokens[3].c_str())/100;
tmpLastTrip = tmpCurrentTrip;
}else{
cout <<"ERROR - TripId: "<<tmpCurrentTrip<<endl;
return "-101";
}
tmpCurrentStop = tmpNewStop;
}
//cout <<"C3"<<endl;
return "-101";
}///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
string getBackwardElementaryPath(string _origin, double _PDT){
int i, tmpStrLen;
string tmpStr, tmpIn, tmpCurrentStop, tmpNewStop, tmpCurrentTrip, tmpAccessLink, tmpTransferLink, tmpLastTrip, tmpFirstTrip, tmpFirstStop;
double tmpArrivalTime, tmpStartTime, tmpDepartureTime;
string buf, tmpBoardingStops, tmpAlightingStops, tmpTrips, tmpWalkingTimes, tmpPath;
vector<string> tokens;
char chr[99];
tmpIn = tazSet[_origin]->getBackwardAssignedAlternative(0);
if(tmpIn=="-101"){
//cout <<"C1"<<endl;
return "-101";
}
buf.clear();
tokens.clear();
stringstream ss(tmpIn);
while (ss >> buf){
tokens.push_back(buf);
}
tmpCurrentStop = tokens[0];
tmpStartTime = atof(tokens[1].c_str())/100;
sprintf(chr,"%d",int(100*tmpStartTime));
tmpStr = string(chr);
tmpStrLen = tmpStr.length();
tmpPath = tmpStr.substr(0,max(0,tmpStrLen-2)) + ".";
if(tmpStrLen<2) tmpPath = tmpPath + "0";
tmpPath = tmpPath + tmpStr.substr(max(0,tmpStrLen-2),2);
tmpAccessLink = _origin + "," + tmpCurrentStop;
sprintf(chr,"%d",int(100*accessTimes[tmpAccessLink]));
tmpIn = string(chr);
tmpStrLen = tmpIn.length();
tmpWalkingTimes = tmpWalkingTimes + tmpIn.substr(0,max(0,tmpStrLen-2)) + ".";
if(tmpStrLen<2) tmpWalkingTimes = tmpWalkingTimes + "0";
tmpWalkingTimes = tmpWalkingTimes + tmpIn.substr(max(0,tmpStrLen-2),2);
tmpArrivalTime = tmpStartTime + accessTimes[tmpAccessLink];
tmpLastTrip = "Access";
if(tmpCurrentStop.substr(0,1)=="s"){
tmpFirstStop = tmpCurrentStop;
}
i = 0;
while(1){
tmpIn = stopSet[tmpCurrentStop]->getBackwardAssignedAlternative(tmpArrivalTime, tmpLastTrip);
if(tmpIn=="-101"){
//cout <<"C2"<<endl;
return "-101";
}
i++;
buf.clear();
tokens.clear();
stringstream ss(tmpIn);
while (ss >> buf){
tokens.push_back(buf);
}
tmpNewStop = tokens[0];
tmpCurrentTrip = tokens[1];
tmpDepartureTime = atof(tokens[2].c_str())/100;
if(tmpCurrentTrip.substr(0,1)=="t"){
tmpFirstTrip = tmpCurrentTrip;
}
if(i==1){
/*tmpStartTime = tripSet[tmpFirstTrip]->getSchDepartureByStop(tmpFirstStop) - accessTimes[tmpAccessLink];
sprintf(chr,"%d",int(100*tmpStartTime));
tmpIn = string(chr);
tmpStrLen = tmpStr.length();
tmpPath = tmpStr.substr(0,max(0,tmpStrLen-2)) + ".";
//cout <<tmpStartTime<<"\t"<<chr<<"\t"<<tmpIn<<"\t"<<tmpStrLen<<"\t"<<tmpPath<<"\t";
if(tmpStrLen<2) tmpPath = tmpPath + "0";
tmpPath = tmpPath + tmpStr.substr(max(0,tmpStrLen-2),2);*/
}
if(tmpCurrentTrip=="Egress"){
tmpAccessLink = tmpNewStop + "," + tmpCurrentStop;
sprintf(chr,"%d",int(100*accessTimes[tmpAccessLink]));
tmpIn = string(chr);
tmpStrLen = tmpIn.length();
tmpWalkingTimes = tmpWalkingTimes + "," + tmpIn.substr(0,max(0,tmpStrLen-2)) + ".";
if(tmpStrLen<2) tmpWalkingTimes = tmpWalkingTimes + "0";
tmpWalkingTimes = tmpWalkingTimes + tmpIn.substr(max(0,tmpStrLen-2),2);
tmpPath.append("\t");
tmpPath.append(tmpBoardingStops);
tmpPath.append("\t");
tmpPath.append(tmpTrips);
tmpPath.append("\t");
tmpPath.append(tmpAlightingStops);
tmpPath.append("\t");
tmpPath.append(tmpWalkingTimes);
return tmpPath;
}else if(tmpCurrentTrip=="Transfer"){
tmpTransferLink = tmpCurrentStop + "," + tmpNewStop;
sprintf(chr,"%d",int(100*transferTimes[tmpTransferLink]));
tmpIn = string(chr);
tmpStrLen = tmpIn.length();
tmpWalkingTimes = tmpWalkingTimes + "," + tmpIn.substr(0,max(0,tmpStrLen-2)) + ".";
if(tmpStrLen<2) tmpWalkingTimes = tmpWalkingTimes + "0";
tmpWalkingTimes = tmpWalkingTimes + tmpIn.substr(max(0,tmpStrLen-2),2);
tmpArrivalTime = tmpArrivalTime + transferTimes[tmpTransferLink];
tmpLastTrip = tmpCurrentTrip;
}else if(tmpCurrentTrip.substr(0,1)=="t"){
if(tmpBoardingStops!="") tmpBoardingStops.append(",");
tmpBoardingStops.append(tmpCurrentStop);
if(tmpAlightingStops!="") tmpAlightingStops.append(",");
tmpAlightingStops.append(tmpNewStop);
if(tmpTrips!="") tmpTrips.append(",");
tmpTrips.append(tmpCurrentTrip);
if(tmpLastTrip.substr(0,1)=="t") tmpWalkingTimes.append(",0");
tmpArrivalTime = atof(tokens[3].c_str())/100;
tmpLastTrip = tmpCurrentTrip;
}else{
cout <<"ERROR - TripId: "<<tmpCurrentTrip<<endl;
return "-101";
}
tmpCurrentStop = tmpNewStop;
}
//cout <<"C3"<<endl;
return "-101";
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
int disaggregateStochasticAssignment(int _iter, int _timeBuff, int _numThreads){
int k, numThreads, tmpNumPassengers, tmpNumPaths;
double startTime, endTime, cpuTime;
numThreads = _numThreads;
parallelizeStops(numThreads);
parallelizeTazs(numThreads);
parallelizeTrips(numThreads);
cout <<"**************************** GENERATING PATHS ****************************"<<endl;
tmpNumPassengers = passengerSet.size();
tmpNumPaths = 0;
startTime = clock()*1.0/CLOCKS_PER_SEC;
for(k=0;k<tmpNumPassengers;k++){
int threadId, tmpNumIterations, tmpTourHalf, tmpStatus, m;
string tmpPassengerId, tmpOriginTaz, tmpDestinationTaz, tmpPath;
double tmpPDT, tmpPAT;
passenger* passengerPntr;
map<string,passenger*>::iterator tmpPassengerIter;
threadId = 0;
tmpPassengerIter = passengerSet.begin();
advance(tmpPassengerIter, k);
if(tmpPassengerIter==passengerSet.end()) continue;
tmpPassengerId = (*tmpPassengerIter).first;
passengerPntr = NULL;
passengerPntr = passengerSet[tmpPassengerId];
tmpOriginTaz =passengerPntr->getOriginTAZ();
tmpDestinationTaz = passengerPntr->getDestinationTAZ();
if(tazSet.find(tmpOriginTaz)==tazSet.end() || tazSet.find(tmpDestinationTaz)==tazSet.end()) continue;
if(tmpOriginTaz==tmpDestinationTaz) continue;
tmpStatus = passengerPntr->getPassengerStatus();
if(_iter>1){
if(tmpStatus==5){
tmpNumPaths++;
continue;
}else{
passengerPntr->setAssignedPath("");
passengerPntr->setPassengerStatus(-1);
}
}
tmpPDT = passengerPntr->getPDT();
tmpPAT = passengerPntr->getPAT();
tmpTourHalf = passengerPntr->getTourHalf();
if(tmpTourHalf==1){
tmpNumIterations = backwardTBHP(tmpDestinationTaz, tmpPAT, _timeBuff);
m = 0;
while(1){
tmpPath = getBackwardElementaryPath(tmpOriginTaz, tmpPDT);
m++;
if(tmpPath!="-101" || m>1000){
break;
}
}
}else if(tmpTourHalf==2){
tmpNumIterations = forwardTBHP(tmpOriginTaz, tmpPDT, _timeBuff);
m = 0;
while(1){
tmpPath = getForwardElementaryPath(tmpDestinationTaz, tmpPAT);
m++;
if(tmpPath!="-101" || m>1000){
break;
}
}
}
if(tmpPath!="-101"){
passengerPntr->setAssignedPath(tmpPath);
tmpNumPaths++;
}
if(k%max(min(tmpNumPassengers/10,1000),10)==0){
endTime = clock()*1.0/CLOCKS_PER_SEC;
cpuTime = round(100 * (endTime - startTime))/100.0;
cout <<k<<" ( "<<tmpNumPaths<<" )\t/\t"<<tmpNumPassengers<<"\tpassengers assigned;\ttime elapsed:\t"<<cpuTime<<"\tseconds"<<endl;
}
}
endTime = clock()*1.0/CLOCKS_PER_SEC;
cpuTime = round(100 * (endTime - startTime))/100.0;
cout <<k<<"\t/\t"<<tmpNumPassengers<<"\tpassengers assigned;\ttime elapsed:\t"<<cpuTime<<"\tseconds"<<endl;
return tmpNumPaths;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
int pathBasedStochasticAssignment(int _iter, int _timeBuff, int _printPassengersFlag, int _numThreads){
int k, numThreads, tmpNumPassengers, tmpNumPaths;
double startTime, endTime, cpuTime;
map<string,int> tmpPathSet;
map<string,int>::iterator tmpPathSetIter;
numThreads = _numThreads;
parallelizeStops(numThreads);
parallelizeTazs(numThreads);
parallelizeTrips(numThreads);
ofstream outFile;
if(_printPassengersFlag==1){
if(_iter==1){
outFile.open("ft_output_choiceSet.dat");
outFile <<"passengerId\torigin\tdestination\tnumOfOccur\tpath"<<endl;
}else{
outFile.open("ft_output_choiceSet.dat",ofstream::app);
outFile <<"ITERATION "<<_iter<<endl;
}
}
cout <<"**************************** GENERATING PATHS ****************************"<<endl;
startTime = clock()*1.0/CLOCKS_PER_SEC;
tmpNumPassengers = passengerSet.size();
tmpNumPaths = 0;
for(k=0;k<tmpNumPassengers;k++){
int threadId, tmpNumIterations, tmpTourHalf, tmpStatus, n;
string tmpPassengerId, tmpOriginTaz, tmpDestinationTaz, tmpPath;
double tmpPDT, tmpPAT;
passenger* passengerPntr;
map<string,passenger*>::iterator tmpPassengerIter;
threadId = 0;
tmpPassengerIter = passengerSet.begin();
advance(tmpPassengerIter, k);
if(tmpPassengerIter==passengerSet.end()) continue;
tmpPassengerId = (*tmpPassengerIter).first;
passengerPntr = NULL;
passengerPntr = passengerSet[tmpPassengerId];
tmpOriginTaz =passengerPntr->getOriginTAZ();
tmpDestinationTaz = passengerPntr->getDestinationTAZ();
if(tazSet.find(tmpOriginTaz)==tazSet.end() || tazSet.find(tmpDestinationTaz)==tazSet.end()) continue;
if(tmpOriginTaz==tmpDestinationTaz) continue;
tmpStatus = passengerPntr->getPassengerStatus();
if(_iter>1){
if(tmpStatus==5){
tmpNumPaths++;
continue;
}else if(tmpStatus==4){
passengerPntr->setAssignedPath("");
passengerPntr->analyzePaths();
tmpPath = passengerPntr->assignPath();
if(tmpPath!="-101"){
passengerPntr->setAssignedPath(tmpPath);
tmpNumPaths++;
}
continue;
}else{
passengerPntr->resetPaths();
passengerPntr->setAssignedPath("");
passengerPntr->setPassengerStatus(-1);
continue;
}
}
tmpPDT = passengerPntr->getPDT();
tmpPAT = passengerPntr->getPAT();
tmpTourHalf = passengerPntr->getTourHalf();
tmpPathSet.clear();
if (tmpTourHalf==1){
tmpNumIterations = backwardTBHP(tmpDestinationTaz, tmpPAT, _timeBuff);
for (n=1;n<=1000;n++){
tmpPath = getBackwardElementaryPath(tmpOriginTaz, tmpPDT);
if(tmpPath!="-101"){
tmpPathSetIter = tmpPathSet.find(tmpPath);
if (tmpPathSetIter==tmpPathSet.end())
tmpPathSet[tmpPath] = 1;
else{
tmpPathSet[tmpPath] = tmpPathSet[tmpPath] + 1;
}
passengerPntr->addPaths(tmpPath);
}
}
}else{
tmpNumIterations = forwardTBHP(tmpOriginTaz, tmpPDT, _timeBuff);
for (n=1;n<=1000;n++){
tmpPath = getForwardElementaryPath(tmpDestinationTaz, tmpPAT);
if(tmpPath!="-101"){
tmpPathSetIter = tmpPathSet.find(tmpPath);
if (tmpPathSetIter==tmpPathSet.end())
tmpPathSet[tmpPath] = 1;
else{
tmpPathSet[tmpPath] = tmpPathSet[tmpPath] + 1;
}
passengerPntr->addPaths(tmpPath);
}
}
}
if(_printPassengersFlag==1){
for(tmpPathSetIter=tmpPathSet.begin();tmpPathSetIter!=tmpPathSet.end();tmpPathSetIter++){
outFile <<tmpPassengerId.substr(1,99)<<"\t"<<tmpOriginTaz.substr(1,99)<<"\t"<<tmpDestinationTaz.substr(1,99)<<"\t"<<(*tmpPathSetIter).second<<"\t"<<(*tmpPathSetIter).first<<endl;
}
}
passengerPntr->analyzePaths();
tmpPath = passengerPntr->assignPath();
if(tmpPath!="-101"){
passengerPntr->setAssignedPath(tmpPath);
tmpNumPaths++;
}
if(k%max(min(tmpNumPassengers/10,1000),10)==0){
endTime = clock()*1.0/CLOCKS_PER_SEC;
cpuTime = round(100 * (endTime - startTime))/100.0;
cout <<k<<" ( "<<tmpNumPaths<<" )\t/\t"<<tmpNumPassengers<<"\tpassengers assigned;\ttime elapsed:\t"<<cpuTime<<"\tseconds"<<endl;
}
}
endTime = clock()*1.0/CLOCKS_PER_SEC;
cpuTime = round(100 * (endTime - startTime))/100.0;
cout <<k<<"\t/\t"<<tmpNumPassengers<<"\tpassengers assigned;\ttime elapsed:\t"<<cpuTime<<"\tseconds"<<endl;
if(_printPassengersFlag==1){
outFile.close();
}
return tmpNumPaths;
}