source: anuga_work/production/australia_ph2/darwin/Arc_asc2raster_GDA94.py @ 7057

Last change on this file since 7057 was 7057, checked in by myall, 15 years ago
File size: 3.9 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 (GDA94z50) 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\\australia_ph2\\darwin\\"
25output_dir = "anuga\\outputs\\"
26
27##time_dir1 = '20090415_123212_run_final_0_17898_1829_Tb__kvanputt'
28##time_dir2 = '20090428_170820_run_final_0_64977_1829_Tb__mhingee'
29
30time_dir3 = '20090428_170944_run_final_0_70906_1829_Tb__mhingee'
31time_dir4 = '20090428_171421_run_final_0_71261_1829_Tb__mhingee'
32
33##time_dir3 = '20090428_172336_run_final_0_17898_1829_Tb_internal_mhingee'
34
35##time_dirs = [time_dir1, time_dir2, time_dir3]
36
37time_dirs = [time_dir3, time_dir4]
38
39for time_dir in time_dirs:
40
41    # Local variables...
42    folder =  scenario_dir + output_dir + time_dir + '\\'
43    raster_gbd = folder + 'raster.gdb'
44    #contour = raster_gbd + '\\contour_dep'
45    #land = scenario_dir + "map_work\\Perth.gdb\\Outlines\\initial_conditions_rottnest"
46    #ocean = scenario_dir + "map_work\\Perth.gdb\\Outlines\\initial_conditions_ocean1"
47   
48    print 'Process: Create File GDB'
49    gp.CreateFileGDB_management(folder, "raster")
50
51    gp.Workspace = raster_gbd
52
53    print gp.Workspace
54   
55    #replication dictionary
56    replicate = (('darwin', ''),('All',''),
57                 ('_', ''),('Geordie', 'Geo'),('Sorrento', 'Sor'), ('max','_M'),
58                 ('Fremantle', 'Fre'),('Rockingham', 'Roc'),('depth','_dep_'),
59                 ('speed', '_spe_'), ('elevation', '_ele_'), ('stage','_st'))
60
61    generate_filename = []
62    input_ascii = glob.glob(folder + '*max.asc')
63    print time_dir
64
65    for infile in input_ascii:
66        output_DEM = os.path.basename(infile)[:-4]
67        for (key, rep) in replicate:
68            output_DEM = output_DEM.replace(key,rep)
69        output_DEM = output_DEM[:10]
70        if output_DEM in generate_filename:
71            print 'Output_DEM filename (%s) already in use' % output_DEM
72            sys.exit(10)
73        generate_filename.append(output_DEM)
74        print 'Output DEM ',output_DEM
75       
76        print 'Process: ASCII to Raster'
77        gp.ASCIIToRaster_conversion(infile, output_DEM, "FLOAT")
78
79        print 'Process: Define Projection' 
80        gp.DefineProjection_management(output_DEM, "PROJCS['CM_128',GEOGCS['GCS_GDA_1994',DATUM['D_GDA_1994',SPHEROID['GRS_1980',6378137.0,298.257222101]],PRIMEM['Greenwich',0.0],UNIT['Degree',0.0174532925199433]]"
81                                                   ",PROJECTION['Transverse_Mercator'],PARAMETER['False_Easting',500000.0],PARAMETER['False_Northing',10000000.0],PARAMETER['Central_Meridian',128.0],PARAMETER['Scale_Factor',0.9996]"
82                                                   ",PARAMETER['Latitude_Of_Origin',0.0],UNIT['Meter',1.0]]")
83
84
85   
86##        output_extract = output_DEM + 'E'
87##        print 'Output Extract ',output_extract
88##   
89##        print 'Process: Extract by Mask'
90##        gp.ExtractByMask_sa(output_DEM, land, output_extract)
91##
92##       
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