def make_agg_pairs(pour_points, dom_data, fdr_data, config_dict):
"""
Group pour points by domain grid outlet cell
"""
lons = pour_points['lons']
lats = pour_points['lats']
dom_lon = dom_data[config_dict['DOMAIN']['LONGITUDE_VAR']]
dom_lat = dom_data[config_dict['DOMAIN']['LATITUDE_VAR']]
dom_ids = dom_data['cell_ids']
fdr_lons = fdr_data[config_dict['ROUTING']['LONGITUDE_VAR']]
fdr_lats = fdr_data[config_dict['ROUTING']['LATITUDE_VAR']]
fdr_srcarea = fdr_data[config_dict['ROUTING']['SOURCE_AREA_VAR']]
# ---------------------------------------------------------------- #
#Find Destination grid cells
log.info('Finding addresses now...')
routys, routxs = latlon2yx(plats=lats,
plons=lons,
glats=fdr_lats,
glons=fdr_lons)
domys, domxs = latlon2yx(plats=lats,
plons=lons,
glats=dom_lat,
glons=dom_lon)
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Do the aggregation
outlets = {}
for i, (lat, lon) in enumerate(zip(lats, lons)):
# Define pour point object (on )
pour_point = Point(lat=lat,
lon=lon,
domx=domxs[i],
domy=domys[i],
routx=routxs[i],
routy=routys[i],
name=None,
cell_id=dom_ids[domys[i], domxs[i]])
pour_point.source_area = fdr_srcarea[pour_point.routy,
pour_point.routx]
cell_id = dom_ids[domys[i], domxs[i]]
if cell_id in outlets:
outlets[cell_id].pour_points.append(pour_point)
outlets[cell_id].upstream_area += pour_point.source_area
else:
# define outlet grid cell (on domain grid)
outlets[cell_id] = Point(domy=domys[i],
domx=domxs[i],
lat=dom_lat[domys[i], domxs[i]],
lon=dom_lon[domys[i], domxs[i]])
outlets[cell_id].pour_points = [pour_point]
outlets[cell_id].cell_id = cell_id
outlets[cell_id].upstream_area = pour_point.source_area
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Sort based on outlet total source area pour_point.source_area
outlets = OrderedDict(
sorted(outlets.items(), key=lambda t: t[1].upstream_area,
reverse=True))
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Count the pairs
pp_count = 0
key_count = 0
num = len(lons)
for i, key in enumerate(outlets):
key_count += 1
pp_count += len(outlets[key].pour_points)
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Print Debug Results
log.info('\n------------------ SUMMARY OF MakeAggPairs ------------------')
log.info('NUMBER OF POUR POINTS IN INPUT LIST: %i' % num)
log.info('NUMBER OF POINTS TO AGGREGATE TO: %i' % key_count)
log.info('NUMBER OF POUR POINTS AGGREGATED: %i' % pp_count)
log.info('EFFECIENCY OF: %.2f %%' % (100. * pp_count / num))
log.info('UNASSIGNED POUR POINTS: %i' % (num - pp_count))
log.info('-------------------------------------------------------------\n')
# ---------------------------------------------------------------- #
return outlets
def make_agg_pairs(pour_points, dom_data, fdr_data, config_dict):
# def make_agg_pairs(lons, lats, dom_lon, dom_lat, dom_ids,
# fdr_lons, fdr_lats, fdr_srcarea, agg_type='agg'):
"""
Group pour points by domain grid outlet cell
"""
lons = pour_points['lons']
lats = pour_points['lats']
dom_lon = dom_data[config_dict['DOMAIN']['LONGITUDE_VAR']]
dom_lat = dom_data[config_dict['DOMAIN']['LATITUDE_VAR']]
dom_ids = dom_data['cell_ids']
fdr_lons = fdr_data[config_dict['ROUTING']['LONGITUDE_VAR']]
fdr_lats = fdr_data[config_dict['ROUTING']['LATITUDE_VAR']]
fdr_srcarea = fdr_data[config_dict['ROUTING']['SOURCE_AREA_VAR']]
routys, routxs = latlon2yx(plats=lats,
plons=lons,
glats=fdr_lats,
glons=fdr_lons)
# ---------------------------------------------------------------- #
#Find Destination grid cells
log.info('Finding addresses now...')
if (min(lons) < 0 and dom_lon.min() >= 0):
posinds = np.nonzero(dom_lon > 180)
dom_lon[posinds] -= 360
log.info('adjusted domain lon minimum')
if (min(lons) < 0 and fdr_lons.min() >= 0):
posinds = np.nonzero(fdr_lons > 180)
fdr_lons[posinds] -= 360
log.info('adjusted fdr lon minimum')
combined = np.dstack(([dom_lat.ravel(), dom_lon.ravel()]))[0]
points = list(np.vstack((np.array(lats), np.array(lons))).transpose())
mytree = cKDTree(combined)
dist, indexes = mytree.query(points, k=1)
gridys, gridxs = np.unravel_index(np.array(indexes), dom_lat.shape)
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Do the aggregation
outlets = {}
for i, ind in enumerate(indexes):
# Define pour point object (on )
pour_point = Point(lat=lats[i],
lon=lons[i],
gridx=gridxs[i],
gridy=gridys[i],
routx=routxs[i],
routy=routys[i],
name=None,
cell_id=dom_ids[gridys[i], gridxs[i]])
pour_point.source_area = fdr_srcarea[pour_point.routy, pour_point.routx]
cell_id = dom_ids[gridys[i], gridxs[i]]
if cell_id in outlets:
outlets[cell_id].pour_points.append(pour_point)
outlets[cell_id].upstream_area += pour_point.source_area
else:
# define outlet grid cell (on domain grid)
outlets[cell_id] = Point(gridy=gridys[i],
gridx=gridxs[i],
lat=combined[ind][0],
lon=combined[ind][1])
outlets[cell_id].pour_points = [pour_point]
outlets[cell_id].cell_id = cell_id
outlets[cell_id].upstream_area = pour_point.source_area
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Sort based on outlet total source area pour_point.source_area
outlets = OrderedDict(sorted(outlets.items(), key=lambda t: t[1].upstream_area, reverse=True))
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Count the pairs
pp_count = 0
key_count = 0
num = len(lons)
for i, key in enumerate(outlets):
key_count += 1
pp_count += len(outlets[key].pour_points)
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Print Debug Results
log.info('\n------------------ SUMMARY OF MakeAggPairs ------------------')
log.info('NUMBER OF POUR POINTS IN INPUT LIST: %i' % num)
log.info('NUMBER OF POINTS TO AGGREGATE TO: %i' % key_count)
log.info('NUMBER OF POUR POINTS AGGREGATED: %i' % pp_count)
log.info('EFFECIENCY OF: %.2f %%' % (100.*pp_count / num))
log.info('UNASSIGNED POUR POINTS: %i \n' % (num-pp_count))
log.info('---------------------------------------------------------------\n')
# ---------------------------------------------------------------- #
return outlets
def rout(pour_point, uh_box, fdr_data, fdr_atts, rout_dict):
"""
Make the Unit Hydrograph Grid
"""
log.info("Starting routing program for point: %s", pour_point)
# ---------------------------------------------------------------- #
# Unpack a few structures
uh_t = uh_box['time']
uh_box = uh_box['func']
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Find Basin Dims and ID
basin_id = fdr_data[rout_dict['BASIN_ID_VAR']][pour_point.routy, pour_point.routx]
log.info('Input Latitude: %f', pour_point.lat)
log.info('Input Longitude: %f', pour_point.lon)
log.info('Global Basid ID: %i', basin_id)
y_inds, x_inds = np.nonzero(fdr_data[rout_dict['BASIN_ID_VAR']] == basin_id)
y = np.arange(len(fdr_data[rout_dict['LATITUDE_VAR']]))
x = np.arange(len(fdr_data[rout_dict['LONGITUDE_VAR']]))
x_min = min(x[x_inds])
x_max = max(x[x_inds])+1
y_min = min(y[y_inds])
y_max = max(y[y_inds])+1
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Create the Basin Dictionary, a subset of the fdr_data
basin = {}
basin['lat'] = fdr_data[rout_dict['LATITUDE_VAR']][y_min:y_max]
basin['lon'] = fdr_data[rout_dict['LONGITUDE_VAR']][x_min:x_max]
basin['basin_id'] = fdr_data[rout_dict['BASIN_ID_VAR']][y_min:y_max, x_min:x_max]
basin['flow_direction'] = fdr_data[rout_dict['FLOW_DIRECTION_VAR']][y_min:y_max, x_min:x_max]
basin['flow_distance'] = fdr_data[rout_dict['FLOW_DISTANCE_VAR']][y_min:y_max, x_min:x_max]
basin['velocity'] = fdr_data['velocity'][y_min:y_max, x_min:x_max]
basin['diffusion'] = fdr_data['diffusion'][y_min:y_max, x_min:x_max]
log.debug('Grid cells in subset: %i', basin['velocity'].size)
pour_point.basiny, pour_point.basinx = latlon2yx(plats=pour_point.lat,
plons=pour_point.lon,
glats=basin['lat'],
glons=basin['lon'])
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Create the rout_data Dictionary
rout_data = {'lat': basin['lat'], 'lon': basin['lon'],
'dom_x_min': x_min, 'dom_y_min': y_min,
'dom_x_max': x_max, 'dom_y_max': y_max}
log.debug('Clipping indicies:')
log.debug('dom_x_min: %s', rout_data['dom_x_min'])
log.debug('dom_x_max: %s', rout_data['dom_x_max'])
log.debug('dom_y_min: %s', rout_data['dom_y_min'])
log.debug('dom_y_max: %s', rout_data['dom_y_max'])
# ---------------------------------------------------------------- #
# Determine/Set flow direction syntax
# Flow directions {north, northeast, east, southeast,
# south, southwest, west, northwest}
if 'VIC' in fdr_atts[rout_dict['FLOW_DIRECTION_VAR']] or \
fdr_data[rout_dict['FLOW_DIRECTION_VAR']].max() < 10:
# VIC Directions: http://www.hydro.washington.edu/Lettenmaier/Models/\
# VIC/Documentation/Routing/FlowDirection.shtml
dy = {1: -1, 2: -1, 3: 0, 4: 1,
5: 1, 6: 1, 7: 0, 8: -1}
dx = {1: 0, 2: 1, 3: 1, 4: 1,
5: 0, 6: -1, 7: -1, 8: - 1}
log.debug('Using VIC flow directions (1-8).')
else:
# ARCMAP Directions: http://webhelp.esri.com/arcgisdesktop/9.2/\
# index.cfm?TopicName=flow_direction
dy = {64: -1, 128: -1, 1: 0, 2: 1,
4: 1, 8: 1, 16: 0, 32: -1}
dx = {64: 0, 128: 1, 1: 1, 2: 1,
4: 0, 8: -1, 16: -1, 32: -1}
log.debug('Using ARCMAP flow directions (1-128).')
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Find timestep (timestep is determined from uh_BOX input file)
input_interval = find_ts(uh_t)
rout_data['unit_hydrograph_dt'] = input_interval
t_cell = int(rout_dict['CELL_FLOWDAYS']*SECSPERDAY/input_interval)
t_uh = int(rout_dict['BASIN_FLOWDAYS']*SECSPERDAY/input_interval)
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Read direction grid and find to_col (to_x) and to_row (to_y)
to_y, to_x = read_direction(basin['flow_direction'], dy, dx)
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Find all grid cells upstream of pour point
catchment, rout_data['fraction'] = search_catchment(to_y, to_x, pour_point,
basin['basin_id'],
basin_id)
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Make uh for each grid cell upstream of basin pour point
# (linear routing model - Saint-Venant equation)
uh = make_uh(input_interval, t_cell, catchment['y_inds'],
catchment['x_inds'], basin['velocity'], basin['diffusion'],
basin['flow_distance'])
# ---------------------------------------------------------------- #
# Make uh_river by incrementally moving upstream comining uh functions
uh_river = make_grid_uh_river(t_uh, t_cell, uh, to_y, to_x, pour_point,
catchment['y_inds'], catchment['x_inds'],
catchment['count_ds'])
# ---------------------------------------------------------------- #
# Make uh_s for each grid cell upstream of basin pour point
# (combine IRFs for all grid cells in flow path)
uh_s = make_grid_uh(t_uh, t_cell, uh_river, uh_box, to_y, to_x,
catchment['y_inds'], catchment['x_inds'],
catchment['count_ds'])
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Agregate to output timestep
rout_data['unit_hydrograph'], \
rout_data['timesteps'] = adjust_uh_timestep(uh_s, t_uh,
input_interval,
rout_dict['OUTPUT_INTERVAL'],
catchment['x_inds'],
catchment['y_inds'])
# ---------------------------------------------------------------- #
return rout_data
def rout(pour_point, uh_box, fdr_data, fdr_atts, rout_dict):
"""
Make the Unit Hydrograph Grid
"""
log.info("Starting routing program for point: %s", pour_point)
# ---------------------------------------------------------------- #
# Unpack a few structures
uh_t = uh_box['time']
uh_box = uh_box['func']
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Find Basin Dims and ID
basin_id = fdr_data[rout_dict['BASIN_ID_VAR']][pour_point.routy,
pour_point.routx]
log.info('Input Latitude: %f', pour_point.lat)
log.info('Input Longitude: %f', pour_point.lon)
log.info('Global Basid ID: %i', basin_id)
y_inds, x_inds = np.nonzero(
fdr_data[rout_dict['BASIN_ID_VAR']] == basin_id)
y = np.arange(len(fdr_data[rout_dict['LATITUDE_VAR']]))
x = np.arange(len(fdr_data[rout_dict['LONGITUDE_VAR']]))
x_min = min(x[x_inds])
x_max = max(x[x_inds]) + 1
y_min = min(y[y_inds])
y_max = max(y[y_inds]) + 1
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Create the Basin Dictionary, a subset of the fdr_data
basin = {}
basin['lat'] = fdr_data[rout_dict['LATITUDE_VAR']][y_min:y_max]
basin['lon'] = fdr_data[rout_dict['LONGITUDE_VAR']][x_min:x_max]
basin['basin_id'] = fdr_data[rout_dict['BASIN_ID_VAR']][y_min:y_max,
x_min:x_max]
basin['flow_direction'] = fdr_data[rout_dict['FLOW_DIRECTION_VAR']][
y_min:y_max, x_min:x_max]
basin['flow_distance'] = fdr_data[rout_dict['FLOW_DISTANCE_VAR']][
y_min:y_max, x_min:x_max]
basin['velocity'] = fdr_data['velocity'][y_min:y_max, x_min:x_max]
basin['diffusion'] = fdr_data['diffusion'][y_min:y_max, x_min:x_max]
log.debug('Grid cells in subset: %i', basin['velocity'].size)
pour_point.basiny, pour_point.basinx = latlon2yx(plats=pour_point.lat,
plons=pour_point.lon,
glats=basin['lat'],
glons=basin['lon'])
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Create the rout_data Dictionary
rout_data = {
'lat': basin['lat'],
'lon': basin['lon'],
'dom_x_min': x_min,
'dom_y_min': y_min,
'dom_x_max': x_max,
'dom_y_max': y_max
}
log.debug('Clipping indicies:')
log.debug('dom_x_min: %s', rout_data['dom_x_min'])
log.debug('dom_x_max: %s', rout_data['dom_x_max'])
log.debug('dom_y_min: %s', rout_data['dom_y_min'])
log.debug('dom_y_max: %s', rout_data['dom_y_max'])
# ---------------------------------------------------------------- #
# Determine/Set flow direction syntax
# Flow directions {north, northeast, east, southeast,
# south, southwest, west, northwest}
if 'VIC' in fdr_atts[rout_dict['FLOW_DIRECTION_VAR']] or \
fdr_data[rout_dict['FLOW_DIRECTION_VAR']].max() < 10:
# VIC Directions: http://www.hydro.washington.edu/Lettenmaier/Models/\
# VIC/Documentation/Routing/FlowDirection.shtml
dy = {1: -1, 2: -1, 3: 0, 4: 1, 5: 1, 6: 1, 7: 0, 8: -1}
dx = {1: 0, 2: 1, 3: 1, 4: 1, 5: 0, 6: -1, 7: -1, 8: -1}
log.debug('Using VIC flow directions (1-8).')
else:
# ARCMAP Directions: http://webhelp.esri.com/arcgisdesktop/9.2/\
# index.cfm?TopicName=flow_direction
dy = {64: -1, 128: -1, 1: 0, 2: 1, 4: 1, 8: 1, 16: 0, 32: -1}
dx = {64: 0, 128: 1, 1: 1, 2: 1, 4: 0, 8: -1, 16: -1, 32: -1}
log.debug('Using ARCMAP flow directions (1-128).')
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Find timestep (timestep is determined from uh_BOX input file)
input_interval = find_ts(uh_t)
rout_data['unit_hydrograph_dt'] = input_interval
t_cell = int(rout_dict['CELL_FLOWDAYS'] * SECSPERDAY / input_interval)
t_uh = int(rout_dict['BASIN_FLOWDAYS'] * SECSPERDAY / input_interval)
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Read direction grid and find to_col (to_x) and to_row (to_y)
to_y, to_x = read_direction(basin['flow_direction'], dy, dx)
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Find all grid cells upstream of pour point
catchment, rout_data['fraction'] = search_catchment(
to_y, to_x, pour_point, basin['basin_id'], basin_id)
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Make uh for each grid cell upstream of basin pour point
# (linear routing model - Saint-Venant equation)
uh = make_uh(input_interval, t_cell, catchment['y_inds'],
catchment['x_inds'], basin['velocity'], basin['diffusion'],
basin['flow_distance'])
# ---------------------------------------------------------------- #
# Make uh_river by incrementally moving upstream comining uh functions
uh_river = make_grid_uh_river(t_uh, t_cell, uh, to_y, to_x, pour_point,
catchment['y_inds'], catchment['x_inds'],
catchment['count_ds'])
# ---------------------------------------------------------------- #
# Make uh_s for each grid cell upstream of basin pour point
# (combine IRFs for all grid cells in flow path)
uh_s = make_grid_uh(t_uh, t_cell, uh_river, uh_box, to_y, to_x,
catchment['y_inds'], catchment['x_inds'],
catchment['count_ds'])
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Agregate to output timestep
rout_data['unit_hydrograph'], \
rout_data['timesteps'] = adjust_uh_timestep(uh_s, t_uh,
input_interval,
rout_dict['OUTPUT_INTERVAL'],
catchment['x_inds'],
catchment['y_inds'])
# ---------------------------------------------------------------- #
return rout_data
def make_agg_pairs(pour_points, dom_data, fdr_data, config_dict):
"""
Group pour points by domain grid outlet cell
"""
lons = pour_points["lons"]
lats = pour_points["lats"]
dom_lon = dom_data[config_dict["DOMAIN"]["LONGITUDE_VAR"]]
dom_lat = dom_data[config_dict["DOMAIN"]["LATITUDE_VAR"]]
dom_ids = dom_data["cell_ids"]
fdr_lons = fdr_data[config_dict["ROUTING"]["LONGITUDE_VAR"]]
fdr_lats = fdr_data[config_dict["ROUTING"]["LATITUDE_VAR"]]
fdr_srcarea = fdr_data[config_dict["ROUTING"]["SOURCE_AREA_VAR"]]
# ---------------------------------------------------------------- #
# Find Destination grid cells
log.info("Finding addresses now...")
routys, routxs = latlon2yx(plats=lats, plons=lons, glats=fdr_lats, glons=fdr_lons)
domys, domxs = latlon2yx(plats=lats, plons=lons, glats=dom_lat, glons=dom_lon)
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Do the aggregation
outlets = {}
for i, (lat, lon) in enumerate(zip(lats, lons)):
# Define pour point object
pour_point = Point(
lat=lat,
lon=lon,
domx=domxs[i],
domy=domys[i],
routx=routxs[i],
routy=routys[i],
name=None,
cell_id=dom_ids[domys[i], domxs[i]],
)
pour_point.source_area = fdr_srcarea[pour_point.routy, pour_point.routx]
cell_id = dom_ids[domys[i], domxs[i]]
if cell_id in outlets:
outlets[cell_id].pour_points.append(pour_point)
outlets[cell_id].upstream_area += pour_point.source_area
else:
# define outlet grid cell (on domain grid)
outlets[cell_id] = Point(
domy=domys[i], domx=domxs[i], lat=dom_lat[domys[i], domxs[i]], lon=dom_lon[domys[i], domxs[i]]
)
outlets[cell_id].pour_points = [pour_point]
outlets[cell_id].cell_id = cell_id
outlets[cell_id].upstream_area = pour_point.source_area
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Sort based on outlet total source area pour_point.source_area
outlets = OrderedDict(sorted(outlets.items(), key=lambda t: t[1].upstream_area, reverse=True))
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Count the pairs
pp_count = 0
key_count = 0
num = len(lons)
for i, key in enumerate(outlets):
key_count += 1
pp_count += len(outlets[key].pour_points)
# ---------------------------------------------------------------- #
# ---------------------------------------------------------------- #
# Print Debug Results
log.info("\n------------------ SUMMARY OF MakeAggPairs ------------------")
log.info("NUMBER OF POUR POINTS IN INPUT LIST: %i" % num)
log.info("NUMBER OF POINTS TO AGGREGATE TO: %i" % key_count)
log.info("NUMBER OF POUR POINTS AGGREGATED: %i" % pp_count)
log.info("EFFECIENCY OF: %.2f %%" % (100.0 * pp_count / num))
log.info("UNASSIGNED POUR POINTS: %i" % (num - pp_count))
log.info("-------------------------------------------------------------\n")
# ---------------------------------------------------------------- #
return outlets