#Config.json file

{
  "input_file": "../data/input_data.npy",
  "output_dir": "../../pygis/temp",
  "filename_prefix": "temperature",
  "crs": "+proj=latlong",
  "driver": "GTiff"
}

--------------end of config.json---------------------------------------------------------

# Python script that reads variables from the above config.json file

import rasterio
from rasterio.transform import Affine
import datetime
import json
import os

# Load config from JSON
with open("config.json", "r") as f:
    config = json.load(f)

input_file = config["input_file"]
output_dir = config["output_dir"]
filename_prefix = config["filename_prefix"]
driver = config["driver"]

# Use timestamp for unique filename
timestamp = datetime.datetime.now().strftime("%Y%m%d_%H%M%S")
filename = f"{filename_prefix}_{timestamp}.tif"
output_file = os.path.join(output_dir, filename)

# Read input GeoTIFF
with rasterio.open(input_file) as src:
    Z = src.read(1)  # Read first band
    input_transform = src.transform
    input_crs = src.crs
    dtype = src.dtypes[0]
    height = src.height
    width = src.width

# Use CRS from config if provided, else use input CRS
crs = config.get("crs", input_crs)

# Write new GeoTIFF
with rasterio.open(
    output_file,
    mode="w",
    driver=driver,
    height=height,
    width=width,
    count=1,
    dtype=dtype,
    crs=crs,
    transform=input_transform,
) as dst:
    dst.write(Z, 1)

print(f"Successfully created: {output_file}")

------------------------end of Python Script----------------------------------------------