source: anuga_work/production/australia_ph2/lockhart_river/Arc_asc2raster_GDA94z50.py @ 6929

Last change on this file since 6929 was 6929, checked in by myall, 15 years ago
File size: 3.6 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\\lockhart_river\\"
25output_dir="anuga\\outputs\\"
26
27time_dir1 = '20090408_152731_run_final_0_51316_1994_Tb__mhingee'
28##time_dir2 = '20090408_200614_run_final_0_62786_1994_Tb__mhingee'
29
30##time_dir1 = '20090421_135544_run_final_0_51316_1994_Tb_internal_lfountai'
31
32time_dirs = [time_dir1]#, time_dir2]
33
34for time_dir in time_dirs:
35    # Local variables...
36    folder = scenario_dir + output_dir +  time_dir +'\\'
37    raster_gbd = folder + 'raster.gdb'
38##    land = scenario_dir + "map_work\\\port_hedland.gdb\\outlines\\initial_condition"
39##    ocean = scenario_dir + "map_work\\\port_hedland.gdb\\outlines\\initial_conditions_ocean"
40
41##    print 'Process: Create File GDB'
42##    gp.CreateFileGDB_management(folder, "raster")
43
44    gp.Workspace = raster_gbd
45
46    print gp.Workspace
47   
48    #replication dictionary
49    replicate = (('lockhart_river', ''),('_', ''),('max','_M'),
50                 ('CBD', 'CDB'),('All',''),
51                 ('depth','_depth'),('speed', '_speed'),
52                 ('elevation', '_ele_'), ('stage','_stage'))
53
54    generate_filename = []
55    input_ascii = glob.glob(folder + '*elevation.asc')
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
67        print 'Output DEM ',output_DEM
68       
69        print 'Process: ASCII to Raster'
70        gp.ASCIIToRaster_conversion(infile, output_DEM, "FLOAT")
71
72        print 'Process: Define Projection'
73        #GDA_1994_MGA_Zone_54
74        gp.DefineProjection_management(output_DEM, "PROJCS['CM_143.5',GEOGCS['GCS_GDA_1994',DATUM['D_GDA_1994',SPHEROID['GRS_1980',6378137.0,298.257222101]],PRIMEM['Greenwich',0.0],UNIT['Degree',0.0174532925199433]]"
75                                                   ",PROJECTION['Transverse_Mercator'],PARAMETER['False_Easting',500000.0],PARAMETER['False_Northing',10000000.0],PARAMETER['Central_Meridian',143.5],PARAMETER['Scale_Factor',0.9996]"
76                                                   ",PARAMETER['Latitude_Of_Origin',0.0],UNIT['Meter',1.0]]")
77##        output_extract = output_DEM + 'E'
78##        print 'Output Extract ',output_extract
79##        print 'Process: Extract by Mask'
80##        gp.ExtractByMask_sa(output_DEM, land, output_extract)
81
82
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