Exemplo n.º 1
0
def initTriCycle(IGEElement,doPickle=True,samples=10):
    fitHist=param.fitHistory()
    lumInterval=runLumCycle(maxIter=5)
    curParam=param.param()
    curParam['lum']=lumInterval['suggestValue']
    intervals={'luminterval':lumInterval['interval'],
               'vphinterval':initialize.getVphBounds(),
                #make sure that no other metal really shoots up
                'igeinterval':initialize.getElementBounds(IGEElement,curParam.comp)}
    #pdb.set_trace()
    lumRange=np.linspace(intervals['luminterval'][0],intervals['luminterval'][1],num=samples)
    vphRange=np.linspace(intervals['vphinterval'][0],intervals['vphinterval'][1],num=samples)
    IGERange=np.linspace(intervals['igeinterval'][0],intervals['igeinterval'][1],num=samples)
    lumMG,vphMG,IGEMG,curParamMG=launcherSteps.launchTriCycle(lumRange,vphRange,IGERange,IGEElement,initParam=curParam)
    if doPickle:
        pickle.dump(lumMG,file('lumMG0.pkl','w'))
        pickle.dump(vphMG,file('vphMG0.pkl','w'))
        pickle.dump(IGEMG,file('igeMG0.pkl','w'))
    
    evalTriCycle(lumMG,vphMG,IGEMG,curParamMG,curParam,intervals,fitHist,IGEElement,mode='init')
    return fitHist,curParam,intervals
Exemplo n.º 2
0
def createRandomParam(randomParamFunc=None):
    #creating new paramObject
    lumLimits = config.GAConfDict['lumLimits']
    vphLimits = config.GAConfDict['vphLimits']
    randomParam=param.param()
    if config.GAConfDict['lockTiCr']:
        randomParam.comp.lockTiCr=True
    if config.GAConfDict['lockScTi']:
        randomParam.comp.lockScTi=True
    if config.GAConfDict['lockVCr']:
        randomParam.comp.lockVCr=True
    if randomParamFunc==createRandomLogNormalValueBestFit:
        fname=glob('*.bf.pkl')[0]
        bestFitParam=cPickle.load(file(fname))
        #Limiting luminosity and photospheric velocity near best fit value, commented out atm
        #randomParam['lum']=random.uniform(bestFitParam['lum']-0.1,bestFitParam['lum']+0.1)
        #no limit for lum parameter
        #randomParam['lum']=bestFitParam['lum']
        randomParam['lum']=random.uniform(*lumLimits)
    else:
        randomParam['lum']=random.uniform(*lumLimits)
    
    randomParam['vph']=random.uniform(*vphLimits)
    
    
    rChoice=random.permutation(config.GAConfDict['selElements'])
    for element in rChoice:
        bounds=initialize.getElementBounds(element,randomParam.comp)
        curAbundance=randomParam[element]
        #newAbundance=random.uniform(bounds[0],bounds[1])
        newAbundance=randomParamFunc(curAbundance,element,bounds)
        if any(np.array(bounds)<0): raise Exception('Negative Bounds')
        randomParam[element]=newAbundance
        randomParam.comp.resetOxygen()
        if randomParam['O']<0: pdb.set_trace()
        if randomParam[element]<0: pdb.set_trace()
        if randomParam.comp.data.has_key('element'): raise Exception()
    #randomParam['Ca']=0.01
    #randomParam['vph']=11700
    return randomParam
Exemplo n.º 3
0
def evalTriCycle(lumMG,vphMG,IGEMG,curParamMG,curParam,intervals,fitHist,IGEElement,mode='std'):
    #IMPORTANT!!!!!!!! the function DOES NOT need curParamMG, only for adding it to the fithist object
    #REMOVE AS SOON AS DEBUGGING for
    pp=pprint.PrettyPrinter()
    selectSteadyThresh=6
    steadyThresh=4
    pp.pprint(intervals)
    pivots=[0,0,0]
    lumBounds=initialize.getLumBounds()
    vphBounds=initialize.getVphBounds()
    IGEBounds=initialize.getElementBounds(IGEElement,curParam.comp)
    lumInterval=dalekSteps.getNextLumInterval(lumMG)
    vphInterval=dalekSteps.getNextVphInterval(vphMG)
    IGEInterval=dalekSteps.getNextIGEInterval(IGEMG,IGEElement)
    
    lastSuggestLum=np.mean(intervals['luminterval'])
    lastSuggestVph=np.mean(intervals['vphinterval'])
    lastSuggestIGE=np.mean(intervals['igeinterval'])
    print "CurLum=%.4f CurVph=%.2f CurFe0=%.7f"%(curParam['lum'],curParam['vph'],curParam['Fe0'])
    print "---------------------------------"
    
    print "LUM:"
    pp.pprint(lumInterval)
    print
    print "VPH:"
    
    pp.pprint(vphInterval)
    print
    print "IGE:"
    pp.pprint(IGEInterval)
    
    #Updating the intervals if the solution is not steady
    steadyIncFactor=2
    selectSteadyIncFactor=2
    
    curLum=curParam['lum']
    closestLumID=np.argmin(lumMG['lum']-curLum)
    
        
    #intervals=[lumInterval,vphInterval,IGEInterval]
    merits=np.argsort([item[2] for item in intervals])
    #pivots[merits[2]]+=3
    #pivots[merits[1]]+=1
    pivots[0]=3
    pivots[1]=2
    pivots[2]=1
    #making sure that we are close in luminosity
    print IGEMG['Fe0']
    if not (abs((lumMG['lum'][closestLumID]-curLum))<0.05 and abs(lumInterval['merits'][closestLumID])<0.1):
        print "lum doesnt allow other parameters atm"
        print "closestLum %s closestMerit %s"%(lumMG['lum'][closestLumID]-curLum,lumInterval['merits'][closestLumID])
        pivots[1]-3
        pivots[2]-3
        pivots[0]=10
    #Checking if the interval is too small already
    if lumInterval['mininterval']: pivots[0]-=5
    if vphInterval['mininterval']: pivots[1]-=5
    #IGE NOT WORKING properly
    #pivots[2]=-10
    print "PIVOTS %s"%pivots
    
    #Checking w factors:
    print 'vph w %s'%vphMG['w']
    print 'ige w %s'%IGEMG['w']
    if np.sum(np.abs(vphMG['w']-0.5)>0.1)>4: pivots[1]-=1.5
    if np.sum(np.abs(IGEMG['w']-0.5)>0.1)>4: pivots[2]-=1
    
    damping=True
    #the factor does not do that much atm BEWARE
    dampingFactor=2
    if np.argmax(pivots)==0:
        #param=copy.copy(lumMG.grid[lumInterval['bestFitID']].param)
        if lumInterval['steady']>selectSteadyThresh:
            if damping:
                curParam['lum']=np.mean([lumInterval['suggestValue'],lastSuggestLum])
                intervals.update({'luminterval':[curParam['lum']+i*dampingFactor*lumInterval['dev'] for i in [-1,1]]})
            else:
                curParam['lum']=lumInterval['suggestValue']
                intervals.update({'luminterval':lumInterval['interval']})
        else:
            print "Not steady solution will increase last interval and try again"
            dev=selectSteadyIncFactor*np.abs(intervals['luminterval'][0]-curParam['lum'])
            intervals.update({'luminterval':[curParam['lum']-dev,curParam['lum']+dev]})
        print "Chose Lum: updated for next run with suggestValue %s and Interval %s"%(curParam['lum'],intervals['luminterval'])
    else:
        if lumInterval['steady']<steadyThresh:
            print "Updating the lum interval as the current solution is not steady"
            dev=steadyIncFactor*np.abs(intervals['luminterval'][0]-curParam['lum'])
            intervals.update({'luminterval':[curParam['lum']-dev,curParam['lum']+dev]})

    if np.argmax(pivots)==1:
        #param=copy.copy(vphMG.grid[vphInterval['bestFitID']].param)
        if vphInterval['steady']>selectSteadyThresh:
            if damping:
                curParam['vph']=np.mean([vphInterval['suggestValue'],lastSuggestVph])
                intervals.update({'vphinterval':[curParam['vph']+i*dampingFactor*vphInterval['dev'] for i in [-1,1]]})
            else:
                curParam['vph']=vphInterval['suggestValue']
                intervals.update({'vphinterval':vphInterval['interval']})
        else:
            print "Not steady solution will increase last interval and try again"
            dev=selectSteadyIncFactor*np.abs(intervals['vphinterval'][0]-curParam['vph'])
            intervals.update({'vphinterval':[curParam['vph']-dev,curParam['vph']+dev]})
        print "Chose Vph: updated for next run with suggestValue %s and Interval %s"%(curParam['vph'],intervals['vphinterval'])
    else:
        if vphInterval['steady']<steadyThresh:
            print "Updating the vph interval as the current solution is not steady"
            dev=steadyIncFactor*np.abs(intervals['vphinterval'][0]-curParam['vph'])
            intervals.update({'vphinterval':[curParam['vph']-dev,curParam['vph']+dev]})
        

    if np.argmax(pivots)==2:
        if IGEInterval['steady']>selectSteadyThresh:
            if damping:
                curParam[IGEElement]=np.mean([IGEInterval['suggestValue'],lastSuggestIGE])
                intervals.update({'igeinterval':[curParam[IGEElement]+i*dampingFactor*IGEInterval['dev'] for i in [-1,1]]})
            else:
                curParam[IGEElement]=IGEInterval['suggestValue']
                intervals.update({'igeinterval':IGEInterval['interval']})
        else:
            print "Not steady solution will increase last interval and try again"
            dev=selectSteadyIncFactor*np.abs(intervals['igeinterval'][0]-curParam[IGEElement])
            intervals.update({'igeinterval':[curParam[IGEElement]-dev,curParam[IGEElement]+dev]})
        print "Chose IGE: updated for next run with suggestValue %s and Interval %s"%(curParam[IGEElement],intervals['igeinterval'])
    else:
            if IGEInterval['steady']<steadyThresh:
                print "Updating the IGE interval as the current solution is not steady"
                dev=steadyIncFactor*np.abs(intervals['igeinterval'][0]-curParam[IGEElement])
                intervals.update({'igeinterval':[curParam[IGEElement]-dev,curParam[IGEElement]+dev]})


    #Checking for crossing Boundaries:
    boundCheck=zip(lumBounds,intervals['luminterval'])
    lumCheck=[np.max(boundCheck[0]),np.min(boundCheck[1])]
    boundCheck=zip(vphBounds,intervals['vphinterval'])
    vphCheck=[np.max(boundCheck[0]),np.min(boundCheck[1])]
    boundCheck=zip(IGEBounds,intervals['igeinterval'])
    igeCheck=[np.max(boundCheck[0]),np.min(boundCheck[1])]
    intervals.update({'luminterval':lumCheck,'vphinterval':vphCheck,'igeinterval':igeCheck})


    #Readjusting suggest values to be in the middle of the intervals:
    curParam['lum']=np.mean(intervals['luminterval'])
    curParam['vph']=np.mean(intervals['vphinterval'])
    curParam[IGEElement]=np.mean(intervals['igeinterval'])
    #Printing the intervals:
    pp.pprint(intervals)

    #Adding to fitHist
    fitHist.addHistItem([lumInterval,vphInterval,IGEInterval],[lumMG,vphMG,IGEMG,curParamMG],pivots,intervals,reallyAdd=False,saveSingle=True)
    #pdb.set_trace()
    #Break condition
    if np.argmax(pivots)>0:
    #    pdb.set_trace()
        return True
        
    else:
        return False