| 1 | import sys |
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| 2 | import os |
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| 3 | from socket import gethostname |
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| 4 | |
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| 5 | # VB the following is both host and user specific hence |
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| 6 | hostname = gethostname() |
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| 7 | user = os.getlogin() |
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| 8 | if hostname == 'hn3.its.monash.edu.au': |
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| 9 | if user == 'vbisign': |
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| 10 | sys.path.append('/nfs/1/home/vbisign/wrf/pywrf') |
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| 11 | import wrf.utils as wu |
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| 12 | elif user == 'tchubb': |
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| 13 | print 'Hey Thom where do you keep pywrf on this computer?' |
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| 14 | sys.exit() |
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| 15 | sys.path.append('/somewhere/pylib') |
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| 16 | import pywrf.wrf.utils as wu |
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| 17 | elif hostname == 'linux450': |
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| 18 | # VB Sorry Thom if this is not correct ;) |
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| 19 | print 'Hey Thom where do you keep pywrf on this computer?' |
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| 20 | sys.exit() |
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| 21 | sys.path.append('/somewhere/pylib') |
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| 22 | import pywrf.wrf.utils as wu |
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| 23 | elif hostname == 'val.maths.monash.edu.au' \ |
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| 24 | or hostname == 'valerio-bisignanesis-computer.local': |
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| 25 | sys.path.append('/Users/val/Desktop/workspace/pywrf') |
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| 26 | import wrf.utils as wu |
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| 27 | else: |
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| 28 | print 'Warning: since I do not know this user/'\ |
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| 29 | + 'hostname combination, I am not sure of ' \ |
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| 30 | + ' where to find pywrf.wrf.util, I will try\n' \ |
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| 31 | + ' import pywrf.wrf.utils as wu' |
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| 32 | import pywrf.wrf.utils as wu |
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| 33 | |
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| 34 | |
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| 35 | |
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| 36 | def generate_namelist_input_d01_real(namelist_input_master,run_dir='.'): |
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| 37 | """Generate a namelist file for real.exe for the outermost domain |
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| 38 | |
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| 39 | The namelist file for real.exe for the outermost domain differs from the |
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| 40 | 'master' namelist file by the entry in max_dom (max_dom=1) |
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| 41 | """ |
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| 42 | namelist_dict=wu.read_namelist(namelist_input_master) |
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| 43 | namelist_dict['&domains']['max_dom'][0]=1 |
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| 44 | output_file = os.path.join(run_dir,'namelist.input.d01.real') |
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| 45 | wu.write_namelist(namelist_dict,output_file) |
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| 46 | return output_file |
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| 47 | |
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| 48 | def generate_namelist_input_d01_wrf(namelist_input_master,run_dir='.'): |
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| 49 | """Generate a namelist file for wrf.exe for the outermost domain |
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| 50 | |
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| 51 | The namelist file for wrf.exe for the outermost domain differs from the |
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| 52 | 'master' namelist file by the entry in max_dom (max_dom=1) |
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| 53 | """ |
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| 54 | namelist_dict=wu.read_namelist(namelist_input_master) |
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| 55 | namelist_dict['&domains']['max_dom'][0]=1 |
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| 56 | output_file = os.path.join(run_dir,'namelist.input.d01.wrf') |
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| 57 | wu.write_namelist(namelist_dict,output_file) |
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| 58 | return output_file |
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| 59 | |
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| 60 | def generate_namelist_input_dpp_real(pp,namelist_input_master,run_dir='.'): |
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| 61 | """Generate a namelist for real.exe for the pp'th domain |
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| 62 | |
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| 63 | This namelist will contain only one column, with max_dom = 1 and |
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| 64 | interval_seconds = grib interval |
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| 65 | """ |
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| 66 | |
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| 67 | namelist_dict=wu.read_namelist(namelist_input_master) |
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| 68 | idx_discard=range(int(namelist_dict['&domains']['max_dom'][0])) |
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| 69 | |
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| 70 | # We'll be using this list as the list of entries to 'pop' from each variable |
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| 71 | # in the namelist, so we need ot reverse siht list to preserve only the 'pp'th |
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| 72 | # datum |
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| 73 | idx_discard.pop(idx_discard.index(pp-1)) |
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| 74 | idx_discard.reverse() |
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| 75 | |
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| 76 | for group in namelist_dict.keys(): |
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| 77 | for variable in namelist_dict[group].keys(): |
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| 78 | dummy=namelist_dict[group][variable] |
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| 79 | if len(dummy)==1: |
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| 80 | pass |
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| 81 | else: |
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| 82 | for idx in idx_discard: |
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| 83 | dummy.pop(idx) |
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| 84 | |
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| 85 | |
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| 86 | # &domains |
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| 87 | namelist_dict['&domains']['max_dom'][0]=1 |
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| 88 | # grid id |
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| 89 | namelist_dict['&domains']['grid_id'][0]=1 |
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| 90 | namelist_dict['&domains']['parent_id'][0]=0 |
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| 91 | namelist_dict['&domains']['parent_grid_ratio'][0]=1 |
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| 92 | # j_parent_start of parent is 1 |
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| 93 | namelist_dict['&domains']['j_parent_start'][0]=0 |
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| 94 | # same for i_parent_start |
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| 95 | namelist_dict['&domains']['i_parent_start'][0]=0 |
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| 96 | |
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| 97 | # &time_control |
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| 98 | namelist_dict['&time_control']['input_from_file'][0]='.true.' |
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| 99 | |
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| 100 | # &bdy_control |
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| 101 | # parent grid is not nested as far as WRF is concerned... |
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| 102 | namelist_dict['&bdy_control']['nested'][0]='.false.' |
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| 103 | # parent grid will have specified boundary conditions |
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| 104 | namelist_dict['&bdy_control']['specified'][0]='.true.' |
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| 105 | |
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| 106 | # TODO |
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| 107 | # Shorten the time extent to save on CPU resources (ref. step 15 in dia) |
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| 108 | # Include explicit definition of eta_levels |
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| 109 | |
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| 110 | output_file = os.path.join(run_dir,'namelist.input.d'+str(pp).zfill(2)+'.real') |
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| 111 | wu.write_namelist(namelist_dict,output_file) |
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| 112 | return output_file |
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| 113 | |
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| 114 | |
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| 115 | def generate_namelist_input_dpp_ndown(pp,namelist_input_master,run_dir='.'): |
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| 116 | """Generate a namelist for ndown.exe for the pp'th domain |
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| 117 | |
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| 118 | This namelist will contain only one column, with max_dom = 1 and |
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| 119 | interval_seconds = grib interval |
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| 120 | """ |
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| 121 | |
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| 122 | namelist_dict=wu.read_namelist(namelist_input_master) |
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| 123 | |
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| 124 | # Correcting to give BC's at time of history_interval for parent grid. |
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| 125 | # history_interval given in minutes, interval_seconds, in seconds (duh??) |
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| 126 | dom_idx = pp-1 |
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| 127 | history_interval = namelist_dict['&time_control']['history_interval'][dom_idx-1] |
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| 128 | interval_seconds = history_interval*60 |
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| 129 | namelist_dict['&time_control']['interval_seconds'][0]=interval_seconds |
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| 130 | |
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| 131 | idx_discard=range(int(namelist_dict['&domains']['max_dom'][0])) |
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| 132 | |
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| 133 | # We'll be using this list as the list of entries to 'pop' from each variable |
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| 134 | # in the namelist, so we need ot reverse siht list to preserve only the 'pp'th |
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| 135 | # datum |
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| 136 | idx_discard.pop(idx_discard.index(dom_idx)) |
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| 137 | idx_discard.pop(idx_discard.index(dom_idx-1)) |
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| 138 | idx_discard.reverse() |
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| 139 | |
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| 140 | for group in namelist_dict.keys(): |
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| 141 | for variable in namelist_dict[group].keys(): |
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| 142 | dummy=namelist_dict[group][variable] |
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| 143 | if len(dummy)==1: |
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| 144 | pass |
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| 145 | else: |
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| 146 | for idx in idx_discard: |
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| 147 | dummy.pop(idx) |
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| 148 | |
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| 149 | # &domain corrections |
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| 150 | namelist_dict['&domains']['max_dom'][0]=2 |
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| 151 | # grid id |
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| 152 | namelist_dict['&domains']['grid_id']=[1,2] |
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| 153 | # ndown reads 1 as parent and 2 as child hence |
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| 154 | namelist_dict['&domains']['parent_id']=[0,1] |
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| 155 | # parent grid ratio of 'parent' is 1: |
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| 156 | namelist_dict['&domains']['parent_grid_ratio'][0]=1 |
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| 157 | # j_parent_start of parent is 1 |
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| 158 | namelist_dict['&domains']['j_parent_start'][0]=0 |
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| 159 | # same for i_parent_start |
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| 160 | namelist_dict['&domains']['i_parent_start'][0]=0 |
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| 161 | # currently not changing parent_time_step_ratio, but watch this space |
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| 162 | |
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| 163 | # &time control corrections |
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| 164 | namelist_dict['&time_control']['input_from_file'][0]='.true.' |
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| 165 | |
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| 166 | # &bdy_control |
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| 167 | # parent grid is not nested as far as WRF is concerned... |
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| 168 | namelist_dict['&bdy_control']['nested'][0]='.false.' |
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| 169 | # parent grid will have specified boundary conditions |
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| 170 | namelist_dict['&bdy_control']['specified'][0]='.true.' |
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| 171 | |
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| 172 | |
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| 173 | output_file = \ |
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| 174 | os.path.join(run_dir,'namelist.input.d'+str(pp).zfill(2)+'.ndown') |
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| 175 | wu.write_namelist(namelist_dict,output_file) |
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| 176 | return output_file |
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| 177 | |
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| 178 | def generate_namelist_input_dpp_wrf(pp,namelist_input_master,run_dir='.'): |
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| 179 | """Generate a namelist for wrf.exe for the pp'th domain |
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| 180 | |
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| 181 | This namelist will contain only one column, with max_dom = 1 and |
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| 182 | interval_seconds = grib interval |
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| 183 | """ |
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| 184 | |
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| 185 | namelist_dict=wu.read_namelist(namelist_input_master) |
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| 186 | idx_discard=range(int(namelist_dict['&domains']['max_dom'][0])) |
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| 187 | |
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| 188 | # We'll be using this list as the list of entries to 'pop' from each variable |
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| 189 | # in the namelist, so we need ot reverse siht list to preserve only the 'pp'th |
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| 190 | # datum |
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| 191 | idx_discard.pop(idx_discard.index(pp-1)) |
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| 192 | idx_discard.reverse() |
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| 193 | |
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| 194 | # multiplicative time step ratio |
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| 195 | mult_time_step_ratio=1 |
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| 196 | # Must incluide CURRENT parent_time_step ratio as well, i.e. up to pp rather than pp-1. |
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| 197 | # time_step_ratio_1*time_step_ratio_2*...*time_step_ratio_pp |
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| 198 | |
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| 199 | for idx in range(pp): |
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| 200 | mult_time_step_ratio*=namelist_dict['&domains']['parent_time_step_ratio'][idx] |
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| 201 | |
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| 202 | for group in namelist_dict.keys(): |
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| 203 | for variable in namelist_dict[group].keys(): |
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| 204 | dummy=namelist_dict[group][variable] |
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| 205 | if len(dummy)==1: |
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| 206 | pass |
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| 207 | else: |
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| 208 | for idx in idx_discard: |
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| 209 | dummy.pop(idx) |
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| 210 | |
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| 211 | # &domains |
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| 212 | # take care of time step stuff |
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| 213 | # be smart... make sure that your INITIAL time step is an integer multiple of the |
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| 214 | # product of the set of parent_time_step_ratio OR come here and modify this yourself... |
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| 215 | # TODO: modify this myself to handle integer arithmetics. Need to consider |
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| 216 | # time_step_fract_num and time_step_fract_den |
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| 217 | |
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| 218 | namelist_dict['&domains']['parent_time_step_ratio'][0]=1 |
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| 219 | namelist_dict['&domains']['time_step'][0]/=mult_time_step_ratio |
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| 220 | |
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| 221 | namelist_dict['&domains']['max_dom'][0]=1 |
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| 222 | # grid id |
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| 223 | namelist_dict['&domains']['grid_id'][0]=1 |
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| 224 | namelist_dict['&domains']['parent_id'][0]=0 |
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| 225 | namelist_dict['&domains']['parent_grid_ratio'][0]=1 |
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| 226 | # j_parent_start of parent is 1 |
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| 227 | namelist_dict['&domains']['j_parent_start'][0]=0 |
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| 228 | # same for i_parent_start |
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| 229 | namelist_dict['&domains']['i_parent_start'][0]=0 |
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| 230 | |
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| 231 | # &time_control |
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| 232 | namelist_dict['&time_control']['input_from_file'][0]='.true.' |
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| 233 | |
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| 234 | # &bdy_control |
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| 235 | # parent grid is not nested as far as WRF is concerned... |
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| 236 | namelist_dict['&bdy_control']['nested'][0]='.false.' |
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| 237 | # parent grid will have specified boundary conditions |
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| 238 | namelist_dict['&bdy_control']['specified'][0]='.true.' |
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| 239 | |
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| 240 | # TODO |
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| 241 | # Shorten the time extent to save on CPU resources (ref. step 15 in dia) |
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| 242 | # Include explicit definition of eta_levels |
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| 243 | |
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| 244 | output_file = os.path.join(run_dir,'namelist.input.d'+str(pp).zfill(2)+'.wrf') |
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| 245 | wu.write_namelist(namelist_dict,output_file) |
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| 246 | return output_file |
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| 247 | |
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