print "Scratch version set up. Proceding..."
# 1, update speed, recalculate cost
print "Update Speed..."
inSpeed = "detspd" + str(currentIter - 1) + ".csv"
ModJoinSpeed.joinSpeed(inSpace, inGdb, inSpeed)
# 2, rebuild network dataset
print "Speed updated. Rebuild Dataset..."
ModBuild.build(inSpace, inGdb)
print "Dataset rebuilt. Solve for TT, TD, DT"
ModSolve.solve(inSpace, inGdb, fcTAZ, fcDet)
print "Predicting flow from gravity equation"
ModUpdateFlow.update(inSpace, currentIter, inTTp)
print "Flow Allocation"
inFlow = inSpace + "CSV/TTflow" + str(currentIter) + ".csv"
flow = ModAlloc.alloc(inSpace, inFlow, currentIter)
#Save TT cost calculated from speed0
if currentIter == 1:
shutil.copyfile(inSpace+'CSV/TT.csv', inSpace+'CSV/TT0.csv')
fd = open(outRelGap,"wb")
fd.write("Iteration, Relative Gap")
fd.close()
#Calculate relative gap
# relgap = ModRelgap.calc(inSpace, currentIter)
# relgap = str(currentIter) + ', ' + str(relgap) + ' \n'
# fd = open(outRelGap,"a")
print "Iteration", currentIter, "starts on ", time.strftime("%d/%m/%Y - %H:%M:%S")
print inTTp, ", at", inSpace
# 0, create temp scratch
print "Setting up scratch version"
tempP = temp[:-4] + "-P" + temp[-4:]
ModSetupWorker.clearOld(base,tempP)
print "Scratch version set up. Proceding..."
print "GIS operations begins."
ModGIS.GISops_1p(inSpace, inGdb, currentIter, fcTAZ, fcDet)
print "GIS operations completed."
print "Predicting flow from gravity equation"
# Changed ModUpdateFlow line 300 to TTP for now
ModUpdateFlow.update(inSpace, currentIter, inTTp) # Gives TTflow1.csv from update (not 2p)
print "Flow Allocation"
inFlow = inSpace+"CSV/TTflow"+str(currentIter)+".csv"
outCSV = inSpace+"CSV/xdetflow.csv"
ModAlloc.alloc(inSpace, inFlow, outCSV, period="P") # Gives detflow
alpha = 1
# Loop through DTA:
savepath = inSpace+"CSV/xdetflow-beforealpha-"+str(currentIter)+".csv"
shutil.copy(outCSV, savepath)
while alpha > 0.01:
alpha = dta_1p(inSpace, inFlow, FL, LIMIT)
print "alpha:", alpha
if alpha > 0.999:
shutil.copy(inSpace+"CSV/xdetflow"+str(alpha)+".csv", inSpace+"CSV/xdetflow.csv")