Create find_closest_ctd.py

src/ecofocipy/math/haversine.py

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+#!/usr/bin/env python
+# Haversine formula example in Python
+# Author: Wayne Dyck
+
+import math
+
+import numpy as np
+
+
+def distance(origin, destination):
+    lat1, lon1 = origin
+    lat2, lon2 = destination
+    radius = 6371 # km
+
+    dlat = math.radians(lat2-lat1)
+    dlon = math.radians(lon2-lon1)
+    a = math.sin(dlat/2) * math.sin(dlat/2) + math.cos(math.radians(lat1)) \
+        * math.cos(math.radians(lat2)) * math.sin(dlon/2) * math.sin(dlon/2)
+    c = 2 * math.atan2(math.sqrt(a), math.sqrt(1-a))
+    d = radius * c
+
+    return d
+
+def nearest_point(origin, latpoints, lonpoints, grid='1d'):
+
+    if grid == '1d':
+        dist = np.zeros((np.shape(latpoints)[0], np.shape(lonpoints)[0]))
+
+        for i, lat in enumerate(latpoints):
+            for j, lon in enumerate(lonpoints):
+                dist[i,j] = distance(origin,[lat,lon])
+
+        lati, loni = np.where(dist == dist.min())
+        return (dist.min(), latpoints[lati[0]], lonpoints[loni[0]], lati[0], loni[0] )
+
+    elif grid == '2d':
+        dist = np.zeros_like(latpoints)
+
+        for i, latrow in enumerate(latpoints):
+            for j, lonrow in enumerate(latrow):
+                dist[i,j] = distance(origin,[latpoints[i,j],lonpoints[i,j]])
+
+        lati, loni = np.where(dist == dist.min())
+
+        return (dist.min(), latpoints[lati[0]][loni[0]], lonpoints[lati[0]][loni[0]], lati[0], loni[0] )

tools/find_closest_ctd.py

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+#!/usr/bin/env python
+
+"""
+ FindClosestCTD.py
+
+ Using the EcoFOCI ruise log database, search for CTD's within a specified range of a location
+
+
+ History
+ =======
+ 2024-02-06: Migrate to EcoFOCIpy Tools
+ 2019-07-15: Make python3 compliant: WIP
+
+ Future
+ ======
+
+ Compatibility:
+ ==============
+ python >=3.8 **Tested
+
+ """
+
+import argparse
+import datetime
+import sys
+
+import mysql.connector
+import numpy as np
+from ecofocipy.math.haversine import sphered
+
+__author__ = "Shaun Bell"
+__email__ = "[email protected]"
+__created__ = datetime.datetime(2016, 9, 28)
+__modified__ = datetime.datetime(2024, 2, 6)
+__version__ = "0.1.1"
+__status__ = "Development"
+
+
+"""--------------------------------SQL Init----------------------------------------"""
+
+
+class NumpyMySQLConverter(mysql.connector.conversion.MySQLConverter):
+    """ A mysql.connector Converter that handles Numpy types """
+
+    def _float32_to_mysql(self, value):
+        if np.isnan(value):
+            return None
+        return float(value)
+
+    def _float64_to_mysql(self, value):
+        if np.isnan(value):
+            return None
+        return float(value)
+
+    def _int32_to_mysql(self, value):
+        if np.isnan(value):
+            return None
+        return int(value)
+
+    def _int64_to_mysql(self, value):
+        if np.isnan(value):
+            return None
+        return int(value)
+
+
+def connect_to_DB(**kwargs):
+    # Open database connection
+    try:
+        db = mysql.connector.connect(use_pure=True, **kwargs)
+    except mysql.connector.Error as err:
+        """
+      if err.errno == errorcode.ER_ACCESS_DENIED_ERROR:
+        print("Something is wrong with your user name or password")
+      elif err.errno == errorcode.ER_BAD_DB_ERROR:
+        print("Database does not exist")
+      else:
+        print(err)
+      """
+        print("error - will robinson")
+
+    db.set_converter_class(NumpyMySQLConverter)
+
+    # prepare a cursor object using cursor() method
+    cursor = db.cursor(dictionary=True)
+    prepcursor = db.cursor(prepared=True)
+    return (db, cursor)
+
+
+def close_DB(db):
+    # disconnect from server
+    db.close()
+
+
+def read_data(db, cursor, table, yearrange):
+
+    """
+
+    """
+    sql = (
+        "SELECT `id`,`LatitudeDeg`,`LatitudeMin`,`LongitudeDeg`,"
+        "`LongitudeMin`,`ConsecutiveCastNo`,`UniqueCruiseID`,`GMTDay`,"
+        "`GMTMonth`,`GMTYear`,`MaxDepth` from `{table}` WHERE `GMTYear` BETWEEN '{startyear}' AND '{endyear}'"
+    ).format(table=table, startyear=yearrange[0], endyear=yearrange[1])
+    print(sql)
+
+    result_dic = {}
+    try:
+        # Execute the SQL command
+        cursor.execute(sql)
+        # Get column names
+        rowid = {}
+        counter = 0
+        for i in cursor.description:
+            rowid[i[0]] = counter
+            counter = counter + 1
+        # print rowid
+        # Fetch all the rows in a list of lists.
+        results = cursor.fetchall()
+        for row in results:
+            result_dic[row["UniqueCruiseID"] + "_" + row["ConsecutiveCastNo"]] = {
+                keys: row[keys] for val, keys in enumerate(row.keys())
+            }
+        return result_dic
+    except:
+        print("Error: unable to fecth data")
+
+
+def read_mooring(db, cursor, table, MooringID):
+    sql = ("SELECT * from `{0}` WHERE `MooringID`= '{1}' ").format(table, MooringID)
+
+    result_dic = {}
+    try:
+        # Execute the SQL command
+        cursor.execute(sql)
+        # Get column names
+        rowid = {}
+        counter = 0
+        for i in cursor.description:
+            rowid[i[0]] = counter
+            counter = counter + 1
+        # print rowid
+        # Fetch all the rows in a list of lists.
+        results = cursor.fetchall()
+        for row in results:
+            result_dic[row["MooringID"]] = {
+                keys: row[keys] for val, keys in enumerate(row.keys())
+            }
+        return result_dic
+    except:
+        print("Error: unable to fecth data")
+
+
+"""------------------------------------------------------------------------------------"""
+parser = argparse.ArgumentParser(
+    description="Find Closest CTD casts to Mooring Deployment"
+)
+
+parser.add_argument(
+    "DistanceThreshold",
+    metavar="DistanceThreshold",
+    type=float,
+    help="Distance From Mooring in Kilometers",
+)
+parser.add_argument(
+    "YearRange",
+    metavar="YearRange",
+    type=int,
+    nargs=2,
+    help="Range of years to look (eg 2012 2014)",
+)
+parser.add_argument(
+    "-db_moor",
+    "--db_moorings",
+    type=str,
+    help="path to db .pyini file for mooring records",
+    default='_secret/db_config_mooring.yaml'
+)
+parser.add_argument(
+    "-db_ctd", 
+    "--db_ctd", 
+    type=str, 
+    help="path to db .pyini file for ctd records",
+    default='_secret/db_config_cruises.yaml'
+)
+parser.add_argument(
+    "-MooringID", metavar="--MooringID", type=str, help="MooringID 13BSM-2A"
+)
+parser.add_argument(
+    "-latlon",
+    "--latlon",
+    nargs="+",
+    type=float,
+    help="use manual lat/lon (decimaldegrees +N,+W)",
+)
+
+args = parser.parse_args()
+
+host = "akutan"
+
+if not args.latlon and not args.MooringID:
+    print("Choose either a mooring location or a lat/lon pairing")
+    sys.exit()
+
+if args.latlon:  # manual input of lat/lon
+    location = [args.latlon[0], args.latlon[1]]
+
+if args.MooringID:
+    # get db meta information for mooring
+    ### connect to DB
+    (db, cursor) = connect_to_DB(db_config_file=args.db_moorings)
+    table = "mooringdeploymentlogs"
+    Mooring_Meta = read_mooring(db, cursor, table, args.MooringID)
+    close_DB(db)
+
+    # location = [71 + 13.413/60., 164 + 14.98/60.]
+    location = [
+        float(Mooring_Meta[args.MooringID]["Latitude"].split()[0])
+        + float(Mooring_Meta[args.MooringID]["Latitude"].split()[1]) / 60.0,
+        float(Mooring_Meta[args.MooringID]["Longitude"].split()[0])
+        + float(Mooring_Meta[args.MooringID]["Longitude"].split()[1]) / 60.0,
+    ]
+
+
+threshold = args.DistanceThreshold  # km
+
+# get db meta information for mooring
+### connect to DB
+(db, cursor) = connect_to_DB(db_config_file=args.db_ctd)
+table = "cruisecastlogs"
+cruise_data = read_data(db, cursor, table, args.YearRange)
+db.close()
+
+for index in sorted(cruise_data.keys()):
+
+    destination = [
+        cruise_data[index]["LatitudeDeg"] + cruise_data[index]["LatitudeMin"] / 60.0,
+        cruise_data[index]["LongitudeDeg"] + cruise_data[index]["LongitudeMin"] / 60.0,
+    ]
+    Distance2Station = sphered.distance(location, destination)
+
+    if Distance2Station <= threshold:
+        print(
+            "Cast {0} on Cruise {1} is {2:3.2f} km away - {3}-{4}-{5} and {6}m deep".format(
+                cruise_data[index]["ConsecutiveCastNo"],
+                cruise_data[index]["UniqueCruiseID"],
+                Distance2Station,
+                cruise_data[index]["GMTYear"],
+                cruise_data[index]["GMTMonth"],
+                cruise_data[index]["GMTDay"],
+                cruise_data[index]["MaxDepth"],
+            )
+        )