| 1 | """ |
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| 2 | Generates ascii grids of nominated areas - |
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| 3 | Input: sww file from run_pt_hedland.py |
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| 4 | boundaries for grids from project_250m.py |
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| 5 | Outputs: ascii grids of specified variables |
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| 6 | Stored in the 'outputs_dir' folder for respective .sww file |
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| 7 | |
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| 8 | Note: |
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| 9 | If producing a grid for the enitre extent cellsize should be greater than 30m |
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| 10 | If producing grids for inundation area resolution should be greater than mesh (ie ~22m) |
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| 11 | """ |
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| 12 | |
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| 13 | import project_250m, os |
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| 14 | import sys |
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| 15 | from anuga.lib.maxasc.maxasc import MaxAsc |
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| 16 | from anuga.shallow_water.data_manager import convert_dem_from_ascii2netcdf, dem2pts |
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| 17 | from anuga.shallow_water.data_manager import sww2dem |
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| 18 | from os import sep |
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| 19 | |
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| 20 | directory = project_250m.output_dir |
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| 21 | |
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| 22 | time_dir1 = '20090123_155045_run_final_0_7875_250m_large_jgriffin' |
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| 23 | #time_dir2 = '20090123_155045_run_final_0_7875_250m_large_jgriffin' |
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| 24 | #time_dir3 = '20090123_154945_run_final_0_7875_250m_small_jgriffin' |
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| 25 | time_dirs = [time_dir1]#,time_dir2,time_dir3]#, time_dir2, time_dir3, time_dir4, time_dir5, time_dir6] |
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| 26 | |
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| 27 | #cellsize = 20 |
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| 28 | cellsize = 250 |
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| 29 | |
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| 30 | timestep = None # None means no timestep! |
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| 31 | #timestep = 0 |
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| 32 | |
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| 33 | ###### |
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| 34 | # Set the special areas of interest. If none, do: area='All' |
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| 35 | ###### |
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| 36 | |
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| 37 | #area = [''] # strings must match keys in var_equations below |
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| 38 | area = ['All'] # 'All' means no special areas - the whole thing |
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| 39 | |
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| 40 | ###### |
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| 41 | # Define allowed variable names and associated equations to generate values. |
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| 42 | # This would not normally change. |
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| 43 | ###### |
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| 44 | var_equations = {'stage': 'stage', |
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| 45 | 'momentum': '(xmomentum**2 + ymomentum**2)**0.5', |
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| 46 | 'depth': 'stage-elevation', |
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| 47 | 'speed': '(xmomentum**2 + ymomentum**2)**0.5/(stage-elevation+1.e-6)', |
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| 48 | 'elevation': 'elevation' } |
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| 49 | |
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| 50 | # one or more key strings from var_equations above |
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| 51 | #var = ['stage', 'speed','depth'] |
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| 52 | var = ['elevation'] |
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| 53 | |
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| 54 | ###### |
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| 55 | # Start running the various conversions we require. |
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| 56 | ###### |
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| 57 | |
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| 58 | for which_var in var: |
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| 59 | if which_var not in var_equations: |
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| 60 | print 'Unrecognized variable name: %s' % which_var |
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| 61 | break |
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| 62 | |
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| 63 | for which_area in area: |
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| 64 | if which_area == 'All': |
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| 65 | easting_min = None |
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| 66 | easting_max = None |
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| 67 | northing_min = None |
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| 68 | northing_max = None |
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| 69 | else: |
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| 70 | try: |
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| 71 | easting_min = eval('project_250m.xmin%s' % which_area) |
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| 72 | easting_max = eval('project_250m.xmax%s' % which_area) |
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| 73 | northing_min = eval('project_250m.ymin%s' % which_area) |
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| 74 | northing_max = eval('project_250m.ymax%s' % which_area) |
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| 75 | except AttributeError: |
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| 76 | print 'Unrecognized area name: %s' % which_area |
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| 77 | break |
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| 78 | |
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| 79 | for time_dir in time_dirs: |
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| 80 | |
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| 81 | name1 = directory+time_dir+sep+project_250m.scenario_name |
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| 82 | #name2 = directory+time_dir+sep+project_250m.scenario_name+'_time_52620_0' |
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| 83 | # name3 = directory+time_dir+sep+project_250m.scenario_name+'_time_78360_0' |
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| 84 | |
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| 85 | names = [name1]#, name2] #, name3] |
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| 86 | |
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| 87 | asc_name = [] |
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| 88 | |
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| 89 | for name in names: |
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| 90 | |
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| 91 | outname = name + '_' + which_area + '_' + which_var |
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| 92 | quantityname = var_equations[which_var] |
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| 93 | |
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| 94 | print 'start sww2dem: time_dir=%s' % time_dir |
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| 95 | |
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| 96 | sww2dem(name, basename_out = outname, |
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| 97 | quantity = quantityname, |
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| 98 | timestep = timestep, |
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| 99 | cellsize = cellsize, |
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| 100 | easting_min = easting_min, |
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| 101 | easting_max = easting_max, |
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| 102 | northing_min = northing_min, |
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| 103 | northing_max = northing_max, |
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| 104 | reduction = max, |
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| 105 | verbose = True, |
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| 106 | format = 'asc') |
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| 107 | |
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| 108 | asc_name.append(outname + '.asc') |
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| 109 | |
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| 110 | maxasc_outname = directory+time_dir+sep+project_250m.scenario_name+'_'+which_area+'_'+which_var+'_max.asc' |
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| 111 | |
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| 112 | print 'max asc outname ', maxasc_outname |
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| 113 | print 'asc_name ', str(asc_name) |
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| 114 | |
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| 115 | MaxAsc(maxasc_outname, asc_name) |
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