sky-brightness
A module to try to determine the current brightness of the sky. It uses the time of day, the season, current weather and current moon brightness to compute a number from 0 to 1.
Please note: Under construction...
Installation
npm install sky-brightness --save
Usage
var SkyBrightness = ; var sky = latitude: 5570 longitude: 1321; console;
Methods
- getSolarBrightness() - How bright is the sun right now? Returns an index from 0 - 1.
- getLunarBrightness() - Full moon? Half moon? Returns an index from 0 - 1.
- getWeatherBrightness() - How does the current weather affect the light. Returns an index from 0 - 1.
- getPerceptualBrightness() - Returns an index trying to reflect the perceptual light in the sky.