daynight2geojson 0.1

Get day and night global geometry and dumps to a GeoJSON file. Builded on top of Matplotlib Basemap Toolkit Library.

Description

Get day and night global geometry and dumps to a GeoJSON file.

Builded on top of Matplotlib Basemap Toolkit Library. Geojson and Shapely libraries are used to deal with geometries.

Output Coordinate Reference System (CRS): EPSG 4326

Requirements

• Geojson Python library (>= 1.0.9). https://github.com/frewsxcv/python-geojson

• Shapely Python library (>= 1.4). https://github.com/Toblerity/Shapely

• Matplotlib Basemap Toolkit Python library (>= 1.0.7). https://github.com/matplotlib/basemap

See requirements of above libraries (Numpy, Matplotlib, GEOS, etc.).

Installing

If you want to install from pip and you do not have installed Basemap:

pip install daynight2geojson –allow-external basemap –allow-unverified basemap

Usage

Basic usage:

from datetime import datetime
from daynight2geojson import DayNight2Geojson

# Filepath to output GeoJSON
filepath = '/tmp/day_night.geojson'

# input_date = None is for UTC now date
# For others input date: datetime object must be passed
#       datetime(year, month, day, hour, minute)
input_date = datetime(2015, 1, 15, 00, 00)

dn = DayNight2Geojson(filepath, input_date=input_date)
dn.getDayNight()

Test script: - test/daynighttesting.py

Examples:

https://github.com/GeographicaGS/daynight2geojson

About author

Developed by Cayetano Benavent (2015).

GIS Analyst at Geographica.

http://www.geographica.gs/

License

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.