source: anuga_work/production/new_south_wales/batemans_bay/Arc_asc2raster_GDA94z56.py @ 7327

Last change on this file since 7327 was 7327, checked in by jgriffin, 15 years ago
File size: 3.7 KB
Line 
1# ---------------------------------------------------------------------------
2# This python script is an ArcGIS script that can only be run on a computer
3# with and ArcGIS licence and version 2.4.1 python.
4# This script is designed to read in .asc files and deliever rasters with
5# projection (GDA94z56) held in a file geodatabase (called raster)
6# written by Kristy Van Putten and Ross Wilson
7# ---------------------------------------------------------------------------
8
9# Import system modules
10import sys, string, os, arcgisscripting, glob, os.path
11
12# Create the Geoprocessor object
13gp = arcgisscripting.create()
14
15# Check out any necessary licenses
16gp.CheckOutExtension("spatial")
17
18# Load required toolboxes...
19gp.AddToolbox("C:/Program Files/ArcGIS/ArcToolbox/Toolboxes/Spatial Analyst Tools.tbx")
20gp.AddToolbox("C:/Program Files/ArcGIS/ArcToolbox/Toolboxes/Conversion Tools.tbx")
21gp.AddToolbox("C:/Program Files/ArcGIS/ArcToolbox/Toolboxes/Data Management Tools.tbx")
22gp.overwriteoutput = 1
23
24scenario_dir="\\\\nas2\\gemd\\georisk_models\\inundation\\data\\new_south_wales\\batemans_bay_tsunami_scenario_2009\\"
25output_dir = "anuga\\outputs\\"
26
27time_dir1 = '20090529_143527_run_final_0.0_51424_jgriffin'
28
29time_dirs = [time_dir1]#, time_dir2, time_dir3, time_dir4, time_dir5]#, time_dir6, time_dir7, time_dir8, time_dir9]
30
31for time_dir in time_dirs:
32
33    # Local variables...
34    folder =  scenario_dir + output_dir + time_dir + '\\'
35    raster_gbd = folder + 'raster.gdb'
36    #contour = raster_gbd + '\\contour_dep'
37    #land = scenario_dir + "map_work\\Perth.gdb\\Outlines\\initial_conditions_rottnest"
38    #ocean = scenario_dir + "map_work\\Perth.gdb\\Outlines\\initial_conditions_ocean1"
39   
40##    print 'Process: Create File GDB'
41##    gp.CreateFileGDB_management(folder, "raster")
42
43    gp.Workspace = raster_gbd
44
45    print gp.Workspace
46   
47    #replication dictionary
48    replicate = (('batemans_bay', ''),
49                 ('_', ''),('Geordie', 'Geo'),('Sorrento', 'Sor'), ('max','M_'),
50                 ('Fremantle', 'Fre'),('Rockingham', 'Roc'),('depth','_dep_'),
51                 ('speed', '_spe_'), ('elevation', '_ele_'), ('stage','_stage'))
52
53    generate_filename = []
54    input_ascii = glob.glob(folder + '*elevation_max.asc')
55    print time_dir
56
57    for infile in input_ascii:
58        output_DEM = os.path.basename(infile)[:-4]
59        for (key, rep) in replicate:
60            output_DEM = output_DEM.replace(key,rep)
61        output_DEM = output_DEM[:10]
62        if output_DEM in generate_filename:
63            print 'Output_DEM filename (%s) already in use' % output_DEM
64            sys.exit(10)
65        generate_filename.append(output_DEM)
66        print 'Output DEM ',output_DEM
67       
68        print 'Process: ASCII to Raster'
69        gp.ASCIIToRaster_conversion(infile, output_DEM, "FLOAT")
70
71        print 'Process: Define Projection' 
72        gp.DefineProjection_management(output_DEM, "PROJCS['GDA_1994_MGA_Zone_56',GEOGCS['GCS_GDA_1994',DATUM['D_GDA_1994',SPHEROID['GRS_1980',6378137.0,298.257222101]],PRIMEM['Greenwich',0.0],UNIT['Degree',0.0174532925199433]]"
73                                                   ",PROJECTION['Transverse_Mercator'],PARAMETER['False_Easting',500000.0],PARAMETER['False_Northing',10000000.0],PARAMETER['Central_Meridian',153.0],PARAMETER['Scale_Factor',0.9996]"
74                                                   ",PARAMETER['Latitude_Of_Origin',0.0],UNIT['Meter',1.0]]")
75
76
77   
78##        output_extract = output_DEM + 'E'
79##        print 'Output Extract ',output_extract
80##   
81##        print 'Process: Extract by Mask'
82##        gp.ExtractByMask_sa(output_DEM, land, output_extract)
83##
84##       
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