Ladybug is a Python library to load, analyze and modify EneregyPlus Weather files (epw).
Project description
ladybug
Ladybug is a Python library to load, analyze and modify EnergyPlus Weather files (epw). You can download epw files from EPWMap.
This repository includes the core library which is the base for Ladybug. For plugin-specific questions and comments refer to ladybug-grasshopper or ladybug-dynamo repositories.
Note
For the Legacy Ladybug Grasshopper Plugin see this repository.
API Documentation
Installation
pip install lbt-ladybug
Usage
# load epw weather data
from ladybug.epw import EPW
epw_data = EPW('path_to_epw_file')
dry_bulb_temp = epw_data.dry_bulb_temperature
# Get altitude and longitude
from ladybug.location import Location
form ladybug.sunpath import Sunpath
# Create location. You can also extract location data from an epw file.
sydney = Location('Sydney', 'AUS', latitude=-33.87, longitude=151.22, time_zone=10)
# Initiate sunpath
sp = Sunpath.from_location(sydney)
sun = sp.calculate_sun(month=11, day=15, hour=11.0)
print('altitude: {}, azimuth: {}'.format(sun.altitude, sun.azimuth))
>>> altitude: 72.26, azimuth: 32.37
Derivative Work
Ladybug is a derivative work of the following software projects:
ladybug-geometry for vector math calculation. Available under GNU GPL.
PVLib-python for solar irradiance calculations. Available under BSD 3-clause.
Applicable copyright notices for these works can be found within the relevant .py files.
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