Imports github.com/flopp/go-coordsparser github.com/fogleman/gg github.com/golang/geo/s1 github.com/tkrajina/gpxgo/gpx github.com/Wessie/appdirs github.com/golang/geo/s2 Standard library imports image/png bytes errors fmt image image/draw io io/ioutil log math net/http os path path/filepath image/color image/jpeg regexp strconv strings