Name

idw.py — IDW to CSV

Synopsis

python idw.py [options] [filename]
python idw.py [-h|--help|-v|--version]

Description

Interpolating station values by IDW algorithm and save to csv file.

Dependencies

python 3.6
numpy 1.16.4

Input Data Format

{
  "date":"2019-01-01",
  "feeds": [
    {
      "device_id": "AAA",
      "c_d0": 12, 
      "gps_lat": 23.23,
      "gps_lon": 123.23
    },
    {
      "device_id": "BBB",
      "c_d0": 23,
      "gps_lat": 24.24,
      "gps_lon": 124.24
    }
  ]
}

Options

--version

show program's version number and exit

-h, --help

show this help message and exit

IDW Options:

-r RANGE, --range=RANGE

the effective range of AirBox in KM, default=10

-f EXP_FACTOR, --exp-factor=EXP_FACTOR

the exponential factor of IDW, default=2

Coordinate Options:

-p PRECISION, --precision=PRECISION

the resolution of interpolation, default=1000

-b LAT_MAX LAT_MIN LON_MAX LON_MIN, --boundary=LAT_MAX LAT_MIN LON_MAX LON_MIN

the boundary of latitude and longitude, accuracy to 1 decimal place, default=26.0 21.0 123.0 119.0

-l AVERAGE_LATITUDE, --average-latitude=AVERAGE_LATITUDE

average latitude for calculating km in lat and lon, default=23.5

Bugs

See GitHub Issues: https://github.com/HuangLiPang/idw-to-csv/issues