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Reading rasterfiles in subfolders

Question asked by rpatarasuk on Feb 15, 2013
Hi,

I am trying to build pyramid for NED DEM 30 meter raster files (and  eventually mosaic them). I have a main directory and many subfolders. Please see the file attached.

The problem is that I can't set it  up so the program can read the raster files in the subfolders. I think I am missing a command line or something here.

Any help would be very appreciated. Here is the code that I wrote so far. Note that I used lots of 'print' coz I wanted to know if the program reads the files.

# Import system modules import sys, arcpy, os, time, os.path from time import time, ctime from arcpy import env from arcpy.sa import *  print "The START time is:",ctime(time())  # Check out the ArcGIS Spatial Analyst extension license arcpy.CheckOutExtension("Spatial")  # Main Directory arcpy.env.workspace = "Y:/Work/NED30M" inputDirectory = os.listdir(arcpy.env.workspace)                                                                                           # Loop through directory & files  #Local variables: for inputFolder in inputDirectory:     print "<<<----------------------------------------->>>"     print "Input Directory is: " + str(inputDirectory)     print "Input Fodler 01 is: " + str(inputFolder)           inputFolderFiles = arcpy.ListFiles(inputFolder)     RasterFiles = arcpy.ListRasters()          for inputFiles in inputFolderFiles:                                                                     print "Input FolderFiles are: " + str(inputFolderFiles)         print "Input files are: " + str(inputFiles)         print str(RasterFiles) + " ... Why Can't Read? ... "                       for filename in RasterFiles:              arcpy.env.workspace =  os.path.join (inputFolder, filename)                           print "Filename is: " + str(filename)                                  print("\n Processing: " + filename)              print "Input Raster is: " + str(filename)                 ##            # Process: Build pyramid ##            arcpy.BuildPyramids_management(filename)           print "***" print "DONE!!" print "The FINISH time is:",ctime(time())  


and here is the output:

IDLE 2.6.5       >>> ================================ RESTART ================================ >>>  The START time is: Fri Feb 15 16:22:08 2013 <<<----------------------------------------->>> Input Directory is: [u'n35w090', u'n35w091', u'n35w092'] Input Fodler 01 is: n35w090 Input FolderFiles are: [u'n35w090'] Input files are: n35w090 [] ... Why Can't Read? ...  <<<----------------------------------------->>> Input Directory is: [u'n35w090', u'n35w091', u'n35w092'] Input Fodler 01 is: n35w091 Input FolderFiles are: [u'n35w091'] Input files are: n35w091 [] ... Why Can't Read? ...  <<<----------------------------------------->>> Input Directory is: [u'n35w090', u'n35w091', u'n35w092'] Input Fodler 01 is: n35w092 Input FolderFiles are: [u'n35w092'] Input files are: n35w092 [] ... Why Can't Read? ...  *** DONE!! The FINISH time is: Fri Feb 15 16:22:13 2013 >>> 


Thank you very much,

Risa

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