# A Sky Illuminance Location Tracker

## Documentation for package ‘skytrackr’ version 2.0

- DESCRIPTION file.
- User guides, package vignettes and other documentation.

## Help Pages

cc876 | Migrate Technology Ltd demo data
diurnal | Simulate diurnal illuminance value
individual | Updates values individually not globally (diurnally)
lakes | Lakes
land | Land area polygon
likelihood | Log likelihood cost function
read_deg_lux | Read lux and deg files
rivers | River lines
skytrackr | Sky (illuminance) location estimation routine
stk_calibrate | Estimate scale the scale range
stk_center | Centers diurnal curves on midday
stk_cluster | Cluster geolocator co-variates
stk_filter | Filter twilight values by range
stk_fit | Fit illuminance (lux) profile
stk_map | Plot skytrackr results
stk_mask | Generate a land surface mask
stk_profile | Plot seasonal profiles
stk_read_glf | Read Swiss Ornithology institute GLF files
stk_read_lux | Read Migrate Technology .lux files
stk_screen_twl | Twilight screening routine