| 1 | """ |
|---|
| 2 | Generates ascii grids of nominated areas - |
|---|
| 3 | Input: sww file from run_perth.py |
|---|
| 4 | boundaries for grids from project.py |
|---|
| 5 | Outputs: ascii grids of specified variables |
|---|
| 6 | Stored in the 'outputs_dir' folder for respective .sww file |
|---|
| 7 | |
|---|
| 8 | Note: |
|---|
| 9 | If producing a grid for the enitre extent cellsize should be greater than 30m |
|---|
| 10 | If producing grids for inundation area resolution should be greater than mesh (ie ~22m) |
|---|
| 11 | """ |
|---|
| 12 | |
|---|
| 13 | import project, os |
|---|
| 14 | import sys |
|---|
| 15 | from anuga.shallow_water.data_manager import convert_dem_from_ascii2netcdf, dem2pts |
|---|
| 16 | from anuga.shallow_water.data_manager import sww2dem |
|---|
| 17 | from os import sep |
|---|
| 18 | |
|---|
| 19 | |
|---|
| 20 | directory = project.output_dir |
|---|
| 21 | |
|---|
| 22 | time_dir1 = '20081009_152642_run_final_0_27283_alpha0.1_jgriffin' |
|---|
| 23 | time_dirs = [time_dir1] |
|---|
| 24 | |
|---|
| 25 | #cellsize = 20 |
|---|
| 26 | cellsize = 50 |
|---|
| 27 | |
|---|
| 28 | #timestep = None # None means no timestep! |
|---|
| 29 | timestep = 0 |
|---|
| 30 | |
|---|
| 31 | ###### |
|---|
| 32 | # Set the special areas of interest. If none, do: area='All' |
|---|
| 33 | ###### |
|---|
| 34 | #area = ['Fremantle'] # strings must match keys in var_equations below |
|---|
| 35 | area = ['All'] # 'All' means no special areas - the whole thing |
|---|
| 36 | |
|---|
| 37 | ###### |
|---|
| 38 | # Define allowed variable names and associated equations to generate values. |
|---|
| 39 | # This would not normally change. |
|---|
| 40 | ###### |
|---|
| 41 | var_equations = {'stage': 'stage', |
|---|
| 42 | 'momentum': '(xmomentum**2 + ymomentum**2)**0.5', |
|---|
| 43 | 'depth': 'stage-elevation', |
|---|
| 44 | 'speed': '(xmomentum**2 + ymomentum**2)**0.5/(stage-elevation+1.e-6)', |
|---|
| 45 | 'elevation': 'elevation' } |
|---|
| 46 | |
|---|
| 47 | # one or more key strings from var_equations above |
|---|
| 48 | var = ['elevation','stage'] |
|---|
| 49 | |
|---|
| 50 | ###### |
|---|
| 51 | # Start running the various conversions we require. |
|---|
| 52 | ###### |
|---|
| 53 | for time_dir in time_dirs: |
|---|
| 54 | name1 = directory+time_dir+sep+project.scenario_name |
|---|
| 55 | # name2 = directory+time_dir+sep+project.scenario_name+'_time_39900_0' #need to get assistance on how to make this into anything |
|---|
| 56 | names = [name1] |
|---|
| 57 | |
|---|
| 58 | for name in names: |
|---|
| 59 | for which_area in area: |
|---|
| 60 | if which_area == 'All': |
|---|
| 61 | easting_min = None |
|---|
| 62 | easting_max = None |
|---|
| 63 | northing_min = None |
|---|
| 64 | northing_max = None |
|---|
| 65 | else: |
|---|
| 66 | try: |
|---|
| 67 | easting_min = eval('project.xmin%s' % which_area) |
|---|
| 68 | easting_max = eval('project.xmax%s' % which_area) |
|---|
| 69 | northing_min = eval('project.ymin%s' % which_area) |
|---|
| 70 | northing_max = eval('project.ymax%s' % which_area) |
|---|
| 71 | except AttributeError: |
|---|
| 72 | print 'Unrecognized area name: %s' % which_area |
|---|
| 73 | break |
|---|
| 74 | |
|---|
| 75 | for which_var in var: |
|---|
| 76 | if which_var not in var_equations: |
|---|
| 77 | print 'Unrecognized variable name: %s' % which_var |
|---|
| 78 | break |
|---|
| 79 | |
|---|
| 80 | outname = name + which_area + '_' + which_var |
|---|
| 81 | quantityname = var_equations[which_var] |
|---|
| 82 | |
|---|
| 83 | print 'start sww2dem: time_dir=%s' % time_dir |
|---|
| 84 | |
|---|
| 85 | sww2dem(name, basename_out = outname, |
|---|
| 86 | quantity = quantityname, |
|---|
| 87 | timestep = timestep, |
|---|
| 88 | cellsize = cellsize, |
|---|
| 89 | easting_min = easting_min, |
|---|
| 90 | easting_max = easting_max, |
|---|
| 91 | northing_min = northing_min, |
|---|
| 92 | northing_max = northing_max, |
|---|
| 93 | reduction = max, |
|---|
| 94 | verbose = True, |
|---|
| 95 | format = 'asc') |
|---|
