source: anuga_work/production/australia_ph2/derby/Arc_asc2raster_GDA94z50.py @ 6971

Last change on this file since 6971 was 6971, checked in by myall, 15 years ago

converting ascii to raster and making images

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\\derby\\"
25output_dir="anuga\\outputs\\"
26
27time_dir1 = '20090408_171910_run_final_0_27268_1708_Tb__kvanputt'
28##time_dir2 = '20090410_070302_run_final_0_70437_1708_Tb__kvanputt'
29##time_dir3 = '20090411_153927_run_final_0_70862_1708_Tb__kvanputt'
30
31time_dir2 = '20090421_175503_run_final_0_27268_1708_Tb_internal_mhingee'
32
33time_dirs = [time_dir1, time_dir2]#, time_dir3]
34
35for time_dir in time_dirs:
36    # Local variables...
37    folder = scenario_dir + output_dir +  time_dir +'\\'
38    raster_gbd = folder + 'raster.gdb'
39##    land = scenario_dir + "map_work\\\port_hedland.gdb\\outlines\\initial_condition"
40##    ocean = scenario_dir + "map_work\\\port_hedland.gdb\\outlines\\initial_conditions_ocean"
41
42##    print 'Process: Create File GDB'
43##    gp.CreateFileGDB_management(folder, "raster")
44
45    gp.Workspace = raster_gbd
46
47    print gp.Workspace
48   
49    #replication dictionary
50    replicate = (('derby', ''),('_', ''),('max','_M'),
51                 ('CBD', 'CDB'),('All',''),
52                 ('depth','_depth'),('speed', '_speed'),
53                 ('elevation', '_ele_'), ('stage','_stage'))
54
55    generate_filename = []
56    input_ascii = glob.glob(folder + '*elevation.asc')
57
58    for infile in input_ascii:
59        output_DEM = os.path.basename(infile)[:-4]
60        for (key, rep) in replicate:
61            output_DEM = output_DEM.replace(key,rep)
62        output_DEM = output_DEM[:10]
63        if output_DEM in generate_filename:
64            print 'Output_DEM filename (%s) already in use' % output_DEM
65            sys.exit(10)
66        generate_filename.append(output_DEM)
67
68        print 'Output DEM ',output_DEM
69       
70        print 'Process: ASCII to Raster'
71        gp.ASCIIToRaster_conversion(infile, output_DEM, "FLOAT")
72
73        print 'Process: Define Projection'
74        #GDA_1994_MGA_Zone_54
75        gp.DefineProjection_management(output_DEM, "PROJCS['GDA_1994_MGA_Zone_51',GEOGCS['GCS_GDA_1994',DATUM['D_GDA_1994',SPHEROID['GRS_1980',6378137.0,298.257222101]],PRIMEM['Greenwich',0.0],UNIT['Degree',0.0174532925199433]]"
76                                                   ",PROJECTION['Transverse_Mercator'],PARAMETER['False_Easting',500000.0],PARAMETER['False_Northing',10000000.0],PARAMETER['Central_Meridian',123.0],PARAMETER['Scale_Factor',0.9996]"
77                                                   ",PARAMETER['Latitude_Of_Origin',0.0],UNIT['Meter',1.0]]")
78##        output_extract = output_DEM + 'E'
79##        print 'Output Extract ',output_extract
80##        print 'Process: Extract by Mask'
81##        gp.ExtractByMask_sa(output_DEM, land, output_extract)
82
83
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