Convert GeoLight Format
Hill-Ekstrom calibration
Transformation of *.glf files
Calculate the appropriate sun elevation angle for known location
Example data for calibration: Light intensities and twilight events
Residency analysis using a changepoint model
Transformation of *.gle files
The GeoLight Package
Simple Threshold Geolocation Estimates
Filter for unrealistic positions within a track based on distance
Filter to remove outliers in defined twilight times based on smoother function
Function for making a data frame summarising residency and movement pattern.
Light intensity measurements over time recorded on a migratory bird
Atmospheric Refraction
Filter to remove noise in light intensity measurements during the night
Sunrise and sunset times: From light intensity measurement (hoopoe1)
Function to merge sites
Transformation of staroddi files
Draws sites of residency and adds a convex hull
Transformation of *.lig files
Transformation of *.lux files
Write a file which plots a trip in Google Earth
Calculate twilight events (sunrise/sunset) from light intensity measurements
over time
Solar Time and Declination
Solar Zenith Angle
Draw the positions and the trip on a map
Transformation of *.trn files
Times of Sunrise and Sunset