From 9c947ce95aa8b2e02f653a635bffe06d98446263 Mon Sep 17 00:00:00 2001
From: aaron <aaron@duckpond.ch>
Date: Tue, 12 Mar 2024 12:07:24 +0100
Subject: [PATCH] add python script to convert gps degrees to decimal

---
 tools/Pipfile        | 12 +++++++++
 tools/Pipfile.lock   | 60 ++++++++++++++++++++++++++++++++++++++++++++
 tools/convert_gps.py | 45 +++++++++++++++++++++++++++++++++
 3 files changed, 117 insertions(+)
 create mode 100644 tools/Pipfile
 create mode 100644 tools/Pipfile.lock
 create mode 100644 tools/convert_gps.py

diff --git a/tools/Pipfile b/tools/Pipfile
new file mode 100644
index 0000000..299f111
--- /dev/null
+++ b/tools/Pipfile
@@ -0,0 +1,12 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+pyexcel_ods = "*"
+
+[dev-packages]
+
+[requires]
+python_version = "3.12"
diff --git a/tools/Pipfile.lock b/tools/Pipfile.lock
new file mode 100644
index 0000000..6c66eaa
--- /dev/null
+++ b/tools/Pipfile.lock
@@ -0,0 +1,60 @@
+{
+    "_meta": {
+        "hash": {
+            "sha256": "6bed16df85f1c3045363fc17092ea1e360f81a1d03ba104dde5d1b37c95fde58"
+        },
+        "pipfile-spec": 6,
+        "requires": {
+            "python_version": "3.12"
+        },
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {
+        "defusedxml": {
+            "hashes": [
+                "sha256:1bb3032db185915b62d7c6209c5a8792be6a32ab2fedacc84e01b52c51aa3e69",
+                "sha256:a352e7e428770286cc899e2542b6cdaedb2b4953ff269a210103ec58f6198a61"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==0.7.1"
+        },
+        "lml": {
+            "hashes": [
+                "sha256:57a085a29bb7991d70d41c6c3144c560a8e35b4c1030ffb36d85fa058773bcc5",
+                "sha256:ec06e850019942a485639c8c2a26bdb99eae24505bee7492b649df98a0bed101"
+            ],
+            "version": "==0.1.0"
+        },
+        "odfpy": {
+            "hashes": [
+                "sha256:db766a6e59c5103212f3cc92ec8dd50a0f3a02790233ed0b52148b70d3c438ec",
+                "sha256:fc3b8d1bc098eba4a0fda865a76d9d1e577c4ceec771426bcb169a82c5e9dfe0"
+            ],
+            "version": "==1.4.1"
+        },
+        "pyexcel-io": {
+            "hashes": [
+                "sha256:19ff1d599a8a6c0982e4181ef86aa50e1f8d231410fa7e0e204d62e37551c1d6",
+                "sha256:f6084bf1afa5fbf4c61cf7df44370fa513821af188b02e3e19b5efb66d8a969f"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==0.6.6"
+        },
+        "pyexcel-ods": {
+            "hashes": [
+                "sha256:0a45acd47cf920c38b52d6005088dbdefa285dab379f24115d1d335ddb0ab7ed",
+                "sha256:f61b56515fd4ccd4687f0a112422f74ce8535247ad2da49db90038d7e3ed397c"
+            ],
+            "index": "pypi",
+            "markers": "python_version >= '3.6'",
+            "version": "==0.6.0"
+        }
+    },
+    "develop": {}
+}
diff --git a/tools/convert_gps.py b/tools/convert_gps.py
new file mode 100644
index 0000000..7247e2e
--- /dev/null
+++ b/tools/convert_gps.py
@@ -0,0 +1,45 @@
+import re
+import json
+import pyexcel_ods
+
+def dms_to_decimal(dms_str):
+    pattern = re.compile(r'(\d+)°(\d+)\'([\d.]+)\"([NSEW])')
+    match = pattern.match(dms_str)
+
+    if match:
+        degrees = float(match.group(1))
+        minutes = float(match.group(2))
+        seconds = float(match.group(3))
+        direction = match.group(4)
+
+        decimal_degrees = round(degrees + (minutes / 60) + (seconds / 3600), 6)
+
+        if direction in ['S', 'W']:
+            decimal_degrees *= -1
+
+        return decimal_degrees
+    else:
+        raise ValueError("invalid coordinate format")
+
+def split_coordinates(coord_str):
+    parts = coord_str.split(', ')
+    latitude = parts[0]
+    longitude = parts[1]
+    return latitude, longitude
+
+def main():
+    # capture site_degree (int dd mm ss)
+    sites = pyexcel_ods.get_data("../ironwood_data_cleaned.ods", sheet_name="Sheet1", start_row=1, start_column=1, column_limit=1)
+    trees = pyexcel_ods.get_data("../ironwood_data_cleaned.ods", sheet_name="Sheet1", start_row=1, start_column=5, column_limit=5)
+
+    for cell in trees["Sheet1"]:
+        if cell:
+            latitude, longitude = split_coordinates(cell[0])
+            latitude_decimal = dms_to_decimal(latitude)
+            longitude_decimal = dms_to_decimal(longitude)
+            print(f"{latitude_decimal},{longitude_decimal}")
+        else:
+            print(" ")
+
+if __name__ == "__main__":
+    main()