def extractedTar(quadsceneID):
    sceneID=quadsceneID[:-2]
    # guarantee that level 1 product tar file for sceneID now exists in /lsfdata/eros_data/extractedTars
    tar(sceneID)
    # if /lsfdata/extractedTars/sceneID doesn't contain the level 1 product band files, extract them from the tar file
    #
    if not(re.search(sceneID, ' '.join(glob.glob(os.path.join(LSF.tiffsStorage, '*'))))):
        # make sure that the existing tar is valid
        existingTar=os.path.join(LSF.tarStorage, sceneID+".tar.gz")
        err=localLib.validTar(existingTar)
        if err:
            raise Exception(err)
        # for now use checkExisting. change to use tarHandling class when completed
        extractedPath = landsatFactTools_GDAL.checkExisting(existingTar, LSF.tiffsStorage)
        rasterAnalysis_GDAL.runFmask(extractedPath,LSF.fmaskShellCall)
        # get DN min number from each band in the scene and write to database
        dnminExists = landsatFactTools_GDAL.checkForDNminExist(extractedPath) # May not be needed in final design, used during testing
        if dnminExists == False:
            dnMinDict = rasterAnalysis_GDAL.getDNmin(extractedPath)
            # fix bug introduced by me in commit de5df07c4ca3ff71ae4d7da27b6018fe1bc2df04
            landsatFactTools_GDAL.writeDNminToDB(dnMinDict,extractedPath)
try:
    # set tar file to analyze
    if not tar[-7:] == '.tar.gz':
        print "incorrect file type"
        raise RuntimeError("Not a tarball: "+tar)
    err=localLib.validTar(tar)
    if err:
        os.remove(tar)
        landsatFactTools_GDAL.retry(1, 4, landsatFactTools_GDAL.DownloadError,landsatFactTools_GDAL.downloadScene, tar[:-7])
    # all  paths are now imported from LSF.py  DM - 5/10/2016
    # =========================================================================
    # sets full path for the tarfile to be analyzed
    inNewSceneTar = os.path.join(tarStorage, tar)
    # check to see if the tar file has been extracted, if not extract the files
    print "Checking for: "+tar
    extractedPath = landsatFactTools_GDAL.checkExisting(inNewSceneTar, tiffsStorage)
    # run Fmask
    # jdm 4/22/15: after spending a couple of days trying to get FMASK installed on cloud4
    # I have not been able to get it to work.  Therefore, for now I am commenting this out
    # rasterAnalysis_GDAL.runFmask(extractedPath,Fmaskexe) #BM's original
    print extractedPath
    runFmaskBool = rasterAnalysis_GDAL.runFmask(extractedPath,fmaskShellCall)
    #print "Fmask Boolean: "+runFmaskBool
    if (runFmaskBool == True):
        # get DN min number from each band in the scene and write to database
        wrs2Name=tar[3:9]
        dnminExists = landsatFactTools_GDAL.checkForDNminExist(extractedPath) # May not be needed in final design, used during testing
        if dnminExists == False:
            dnMinDict = rasterAnalysis_GDAL.getDNmin(extractedPath)
            landsatFactTools_GDAL.writeDNminToDB(dnMinDict,extractedPath)
        # create quads from the input scene