def create_hgrid(s, inputs, logger):
""" Preprocessed the hgrid file
"""
section_name = 'mesh'
section = inputs.get(section_name)
if section is not None:
open_boundaries = section.get('open_boundaries')
if open_boundaries is not None:
logger.info("Processing open boundaries...")
check_and_suggest(open_boundaries, ('linestrings',))
s.create_open_boundaries(open_boundaries)
# Fill the missing land and island boundary information
logger.info("Filling missing land and island boundaries...")
s.mesh.fill_land_and_island_boundaries()
# Second, Mesh optimization
option_name = 'depth_optimization'
# if option_name in section.keys():
opt_params = section.get(option_name)
default_depth_for_missing_dem = 2.0
if opt_params is not None:
dem_list = section.get('dem_list')
if dem_list is None:
raise ValueError(
"dem_list must be provided for the mesh optimization")
expected_items = ('damp',
'damp_shoreline',
'face_coeff',
'volume_coeff')
check_and_suggest(opt_params, expected_items)
logger.info("Start optimizing the mesh...")
optimizer = GridOptimizer(mesh=s.mesh,
demfiles=dem_list,
na_fill=default_depth_for_missing_dem,
logger=logger)
optimized_elevation = optimizer.optimize(opt_params)
s.mesh.nodes[:, 2] = np.negative(optimized_elevation)
else:
dem_list = section.get('dem_list')
if dem_list is not None:
s.mesh.nodes[:, 2] = np.negative(stacked_dem_fill(dem_list,
s.mesh.nodes[:, :2],
require_all=False,
na_fill=default_depth_for_missing_dem))
# Write hgrid.gr3
option_name = 'gr3_outputfile'
if option_name in section:
logger.info("Writing up a new hgrid file...")
hgrid_out_fpath = os.path.expanduser(section[option_name])
s.write_hgrid(hgrid_out_fpath)
# Write hgrid.ll
option_name = 'll_outputfile'
if option_name in section:
logger.info("Creating a new hgrid.ll file...")
hgrid_ll_fpath = os.path.expanduser(section[option_name])
s.write_hgrid_ll(hgrid_ll_fpath)
def prepare_schism(args, use_logging=True):
if use_logging is True:
setup_logger()
logger = logging.getLogger('SCHISM')
else:
logger = logging.getLogger('')
logger.info("Start pre-processing SCHISM inputs...")
in_fname = args.main_inputfile
if not os.path.exists(in_fname):
logger.error("The main input file, %s, is not found", in_fname)
raise ValueError("Main input file not found")
with open(in_fname, 'r') as f:
inputs = schism_yaml.load(f)
keys_top_level = ["mesh", "gr3",
"prop", "hydraulics",
"sources_sinks", "flow_outputs"] \
+ schism_yaml.include_keywords
logger.info("Processing the top level...")
check_and_suggest(list(inputs.keys()), keys_top_level, logger)
out_fname = os.path.splitext(in_fname)[0] \
+ '_echo' + os.path.splitext(in_fname)[1]
with open(out_fname, 'w') as f:
f.write(schism_yaml.safe_dump(inputs))
# Mesh section
if item_exist(inputs, 'mesh'):
logger.info("Processing mesh section...")
mesh_items = inputs['mesh']
keys_mesh_section = ["mesh_inputfile", "dem_list",
"open_boundaries",
"depth_optimization",
"gr3_outputfile", "ll_outputfile"] \
+ schism_yaml.include_keywords
check_and_suggest(list(mesh_items.keys()), keys_mesh_section)
if item_exist(inputs['mesh'], 'mesh_inputfile'):
# Read the grid file to be processed
mesh_input_fpath = \
os.path.expanduser(mesh_items['mesh_inputfile'])
s = create_schism_setup(mesh_input_fpath, logger)
update_spatial_inputs(s, inputs, logger)
else:
raise ValueError("No mesh input file in the mesh section.")
else:
raise ValueError("No mesh section in the main input.")
logger.info("Done.")
def create_source_sink(s, inputs, logger):
""" Create source_sink.in
"""
dict_ss = inputs.get('sources_sinks')
if dict_ss is None:
return
logger.info("Processing sources/sinks inputs...")
expected_items = ('sources', 'sinks', 'outputfile')
check_and_suggest(dict_ss, expected_items)
sources = dict_ss.get('sources')
sources_sinks = {}
if sources is not None:
sources_sinks['sources'] = sources
sinks = dict_ss.get('sinks')
if sinks is not None:
sources_sinks['sinks'] = sinks
fname = dict_ss.get('outputfile')
if fname is not None:
fname = os.path.expanduser(fname)
logger.info("Creating %s..." % fname)
s.create_source_sink_in(sources_sinks, fname)
def create_structures(s, inputs, logger):
""" Create a structure file
"""
dict_struct = inputs.get('hydraulics')
if dict_struct is None:
return
logger.info("Processing structures...")
expected_items = ('nudging', 'structures', 'outputfile')
check_and_suggest(dict_struct, expected_items)
structures = dict_struct.get('structures')
if structures is None:
logger.error("No structures in hydraulics section")
raise ValueError("No structures in hydraulics section")
structure_items = ('name', 'type', 'end_points',
'configuration', 'reference')
configuration_items = ('n_duplicates', 'elevation', 'width', 'height',
'radius', 'coefficient',
'op_downstream', 'op_upstream',
'use_time_series', 'coefficient_height',
'culvert_n_duplicates',
'culvert_elevation', 'culvert_radius',
'culvert_coefficient',
'culvert_op_downstream', 'culvert_op_upstream')
nudging = dict_struct.get('nudging')
for structure in structures:
check_and_suggest(structure, structure_items)
conf = structure.get('configuration')
if conf is not None:
check_and_suggest(conf, configuration_items)
s.create_structures(structures, nudging)
fname = dict_struct.get('outputfile')
if fname is not None:
fname = os.path.expanduser(fname)
logger.info("Creating %s..." % fname)
s.write_structures(fname)
def create_fluxflag(s, inputs, logger):
""" Create fluxflag.gr3
"""
dict_flow = inputs.get('flow_outputs')
if dict_flow is None:
return
logger.info("Processing fluxflag outputs...")
expected_items = ('linestrings', 'outputfile')
check_and_suggest(dict_flow, expected_items)
flowlines = dict_flow.get('linestrings')
if flowlines is None:
raise ValueError("No flowlines in flow_outputs")
fname = dict_flow.get('outputfile')
if fname is not None:
fname = os.path.expanduser(fname)
logger.info("Creating %s..." % fname)
s.create_flux_regions(flowlines, fname)
if fname == 'fluxflag.prop':
with open(fname, 'a') as f:
for line in flowlines:
buf = '{}\n'.format(line['name'])
f.write(buf)
def create_prop_with_polygons(s, inputs, logger):
""" Create prop files with polygons
"""
dict_prop = inputs.get('prop')
if dict_prop is None:
return
logger.info("Processing prop outputs...")
expected_items = ('default', 'polygons')
for fname, item in dict_prop.items():
check_and_suggest(item, expected_items)
polygons = item.get('polygons', [])
if polygons is not None:
polygon_items = ('name', 'vertices', 'type', 'attribute')
for polygon in polygons:
check_and_suggest(polygon, polygon_items)
for fname, item in dict_prop.items():
if fname is None:
logger.warning("No filename is given in one of prop")
continue
fname = os.path.expanduser(fname)
polygons = item.get('polygons', [])
default = item.get('default')
logger.info("Creating %s..." % fname)
s.create_prop_partitioning(fname, polygons, default)
