source: anuga_work/production/australia_ph2/bamaga/Arc_asc2raster_GDA94z50.py @ 6901

Last change on this file since 6901 was 6901, checked in by myall, 15 years ago

making rasters and images

File size: 3.5 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\\bamaga\\"
25output_dir="anuga\\outputs\\"
26
27time_dir1 = '20090408_152655_run_final_0_31975_2000_Tb__mhingee'
28time_dir2 = '20090409_123239_run_final_0_51390_2000_Tb__mhingee'
29time_dir3 = '20090410_110658_run_final_0_63735_2000_Tb__mhingee'
30
31time_dirs = [time_dir1, time_dir2, time_dir3]
32
33for time_dir in time_dirs:
34    # Local variables...
35    folder = scenario_dir + output_dir +  time_dir +'\\'
36    raster_gbd = folder + 'raster.gdb'
37##    land = scenario_dir + "map_work\\\port_hedland.gdb\\outlines\\initial_condition"
38##    ocean = scenario_dir + "map_work\\\port_hedland.gdb\\outlines\\initial_conditions_ocean"
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 = (('bamaga', ''),('_', ''),('max','_M'),
49                 ('CBD', 'CDB'),('All',''),
50                 ('depth','_depth'),('speed', '_speed'),
51                 ('elevation', '_ele_'), ('stage','_stage'))
52
53    generate_filename = []
54    input_ascii = glob.glob(folder + '*max.asc')
55
56    for infile in input_ascii:
57        output_DEM = os.path.basename(infile)[:-4]
58        for (key, rep) in replicate:
59            output_DEM = output_DEM.replace(key,rep)
60        output_DEM = output_DEM[:10]
61        if output_DEM in generate_filename:
62            print 'Output_DEM filename (%s) already in use' % output_DEM
63            sys.exit(10)
64        generate_filename.append(output_DEM)
65
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        #GDA_1994_MGA_Zone_54
73        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]]"
74                                                   ",PROJECTION['Transverse_Mercator'],PARAMETER['False_Easting',500000.0],PARAMETER['False_Northing',10000000.0],PARAMETER['Central_Meridian',143.5],PARAMETER['Scale_Factor',0.9996]"
75                                                   ",PARAMETER['Latitude_Of_Origin',0.0],UNIT['Meter',1.0]]")
76##        output_extract = output_DEM + 'E'
77##        print 'Output Extract ',output_extract
78##        print 'Process: Extract by Mask'
79##        gp.ExtractByMask_sa(output_DEM, land, output_extract)
80
81
Note: See TracBrowser for help on using the repository browser.