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rural_rrcf_waterlevel.py
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rural_rrcf_waterlevel.py
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# (c) Nelen & Schuurmans. GPL licensed, see LICENSE.txt
# -*- coding: utf-8 -*-
import logging
import sys
import os
import csv
import time
import math
import traceback
from turtlebase.logutils import LoggingConfig
from turtlebase import mainutils
import nens.gp
import turtlebase.arcgis
log = logging.getLogger(__name__)
gp = mainutils.create_geoprocessor()
config = mainutils.read_config(__file__, 'turtle-settings.ini')
logfile = mainutils.log_filename(config)
logging_config = LoggingConfig(gp, logfile=logfile)
mainutils.log_header(__name__)
gpgident = config.get('GENERAL', 'gpgident').lower()
calculation_id = config.get('rrcf_waterlevel', 'calculation_point_ident').lower()
targetlevel = config.get('rrcf_waterlevel', 'field_targetlevel').lower()
maxlevel = config.get('rrcf_waterlevel', 'field_maxlevel').lower()
def calculate_waterlevel(input_hymstat, return_period_list, rekenpunten_with_levels_dict):
'''
input: alpha, beta, list with required x for output
lineair function: alpha + (log(X) * beta) = Y
X = Return period
Y = Waterlevel
'''
hymstat_source = os.path.basename(input_hymstat)
time_str = time.strftime("%d-%m-%Y %H:%M:%S")
hymstat_list = [d for d in csv.DictReader(open(input_hymstat))]
result = {}
calculation_point_id = config.get('rrcf_waterlevel', 'calculation_point_ident')
hymstat_id = config.get('rrcf_waterlevel', 'hymstat_id')
hymstat_alpha = config.get('rrcf_waterlevel', 'hymstat_alpha')
hymstat_beta = config.get('rrcf_waterlevel', 'hymstat_beta')
output_targetlevel = config.get('rrcf_waterlevel', 'output_targetlevel')
for hymstat_dict in hymstat_list:
location = hymstat_dict[hymstat_id]
comment = ""
if rekenpunten_with_levels_dict.has_key(location):
peilgebied_ident = rekenpunten_with_levels_dict[location][gpgident]
streefpeil = rekenpunten_with_levels_dict[location][targetlevel]
afkaphoogte = rekenpunten_with_levels_dict[location][maxlevel]
alpha = hymstat_dict[hymstat_alpha]
beta = hymstat_dict[hymstat_beta]
result[location] = {calculation_point_id: location , 'date_time' : time_str, 'source': hymstat_source,
gpgident: peilgebied_ident, output_targetlevel: streefpeil, maxlevel: afkaphoogte}
for return_period in return_period_list:
if float(alpha) != -999:
y = float(alpha) + (float(beta) * math.log(float(return_period)))
else:
y = -999
if y > afkaphoogte:
y = afkaphoogte
if len(comment) > 0:
comment = comment + "; ws_%s aangepast" % return_period
else:
comment = "ws_%s aangepast" % return_period
if y < streefpeil:
y = streefpeil
if len(comment) > 0:
comment = comment + "; ws_%s aangepast" % return_period
else:
comment = "ws_%s aangepast" % return_period
result[location]["WS_%s" % return_period] = y
result[location]['comments'] = comment
return result
def add_field(gp, output_table, field_name, field_type):
"""
"""
if turtlebase.arcgis.is_fieldname(gp, output_table, field_name) == False:
log.info("create field: %s (%s)" % (field_name, field_type))
if field_name == 'comments':
gp.addfield_management(output_table, field_name, field_type, "#", "#", 256)
else:
gp.addfield_management(output_table, field_name, field_type)
def add_fields_to_output_table(output_table, fields_to_add, return_period_list):
"""
"""
for field, field_type in fields_to_add.items():
add_field(gp, output_table, field, field_type)
for return_period in return_period_list:
field_name = "WS_%s" % return_period
add_field(gp, output_table, field_name, "double")
add_field(gp, output_table, "SOURCE", "text")
add_field(gp, output_table, "DATE_TIME", "text")
add_field(gp, output_table, "COMMENTS", "text")
def is_key_in_dict(rekenpunten_dict, required_fields):
"""
"""
missing_keys = []
if rekenpunten_dict:
first_key = rekenpunten_dict.keys()[0]
for field in required_fields:
if not field in rekenpunten_dict[first_key]:
missing_keys.append(field)
return missing_keys
def main():
try:
#----------------------------------------------------------------------------------------
# Input parameters
if len(sys.argv) == 5:
input_hymstat = sys.argv[1]
input_rekenpunten = sys.argv[2]
input_rr_peilgebied = sys.argv[3]
output_table = sys.argv[4]
else:
log.warning("usage: <input_hymstat> <input_rekenpunten> <input_rr_peilgebied> <output_table>")
sys.exit(1)
#----------------------------------------------------------------------------------------
# check required fields in input
log.info("Check required fields in input data")
missing_fields = []
if not turtlebase.arcgis.is_fieldname(gp, input_rekenpunten, calculation_id):
log.debug(" - missing: %s in %s" % (calculation_id, input_rekenpunten))
missing_fields.append("%s: %s" % (input_rekenpunten, calculation_id))
if not turtlebase.arcgis.is_fieldname(gp, input_rekenpunten, gpgident):
log.debug(" - missing: %s in %s" % (gpgident, input_rekenpunten))
missing_fields.append("%s: %s" % (input_rekenpunten, gpgident))
if not turtlebase.arcgis.is_fieldname(gp, input_rr_peilgebied, gpgident):
log.debug(" - missing: %s in %s" % (gpgident, input_rr_peilgebied))
missing_fields.append("%s: %s" % (input_rr_peilgebied, gpgident))
if not turtlebase.arcgis.is_fieldname(gp, input_rr_peilgebied, targetlevel):
log.debug(" - missing: %s in %s" % (targetlevel, input_rr_peilgebied))
missing_fields.append("%s: %s" % (input_rr_peilgebied, targetlevel))
if not turtlebase.arcgis.is_fieldname(gp, input_rr_peilgebied, maxlevel):
log.debug(" - missing: %s in %s" % (maxlevel, input_rr_peilgebied))
missing_fields.append("%s: %s" % (input_rr_peilgebied, maxlevel))
if len(missing_fields) > 0:
log.error("missing fields in input data: %s" % missing_fields)
sys.exit(2)
#----------------------------------------------------------------------------------------
log.info("read rekenpunten table")
rekenpunten_dict = nens.gp.get_table(gp, input_rekenpunten, primary_key=calculation_id)
log.info("read rr_peilgebied table")
rr_peilgebied_dict = nens.gp.get_table(gp, input_rr_peilgebied, primary_key=gpgident)
missing_fields_in_rekenpunten = is_key_in_dict(rekenpunten_dict, [gpgident])
if len(missing_fields_in_rekenpunten) > 0:
log.error("missing fields in input calculation points: %s" % missing_fields_in_rekenpunten)
missing_fields_in_rr_peilgebied = is_key_in_dict(rr_peilgebied_dict, [gpgident, targetlevel, maxlevel])
if len(missing_fields_in_rr_peilgebied) > 0:
log.error("missing fields in peilgebied table: %s" % missing_fields_in_rr_peilgebied)
rekenpunten_with_levels_dict = {}
for k, v in rekenpunten_dict.items():
peilgebied_ident = v[gpgident]
if rr_peilgebied_dict.has_key(peilgebied_ident):
streefpeil = rr_peilgebied_dict[peilgebied_ident][targetlevel]
afkaphoogte = rr_peilgebied_dict[peilgebied_ident][maxlevel]
else:
streefpeil = -999
afkaphoogte = 999
rekenpunten_with_levels_dict[k] = {gpgident: peilgebied_ident, targetlevel: streefpeil, maxlevel: afkaphoogte}
#----------------------------------------------------------------------------------------
return_periods = config.get('rrcf_waterlevel', 'herhalingstijden')
return_period_list = [int(hh) for hh in return_periods.split(', ')]
result_dict = calculate_waterlevel(input_hymstat, return_period_list, rekenpunten_with_levels_dict)
if not gp.exists(output_table):
gp.CreateTable_management(os.path.dirname(output_table),
os.path.basename(output_table))
fields_to_add = {calculation_id:"text", gpgident:"text", config.get('rrcf_waterlevel', 'output_targetlevel'):"double", maxlevel: "double"}
add_fields_to_output_table(output_table, fields_to_add, return_period_list)
turtlebase.arcgis.write_result_to_output(output_table, calculation_id, result_dict)
mainutils.log_footer()
except:
log.error(traceback.format_exc())
sys.exit(1)
finally:
logging_config.cleanup()