mirror of
https://github.com/superseriousbusiness/gotosocial
synced 2024-12-19 09:13:12 +00:00
98263a7de6
* start fixing up tests * fix up tests + automate with drone * fiddle with linting * messing about with drone.yml * some more fiddling * hmmm * add cache * add vendor directory * verbose * ci updates * update some little things * update sig
56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
package exif
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/golang/geo/s2"
|
|
)
|
|
|
|
var (
|
|
ErrGpsCoordinatesNotValid = errors.New("GPS coordinates not valid")
|
|
)
|
|
|
|
type GpsDegrees struct {
|
|
Orientation byte
|
|
Degrees, Minutes, Seconds float64
|
|
}
|
|
|
|
func (d GpsDegrees) String() string {
|
|
return fmt.Sprintf("Degrees<O=[%s] D=(%g) M=(%g) S=(%g)>", string([]byte{d.Orientation}), d.Degrees, d.Minutes, d.Seconds)
|
|
}
|
|
|
|
func (d GpsDegrees) Decimal() float64 {
|
|
decimal := float64(d.Degrees) + float64(d.Minutes)/60.0 + float64(d.Seconds)/3600.0
|
|
|
|
if d.Orientation == 'S' || d.Orientation == 'W' {
|
|
return -decimal
|
|
} else {
|
|
return decimal
|
|
}
|
|
}
|
|
|
|
type GpsInfo struct {
|
|
Latitude, Longitude GpsDegrees
|
|
Altitude int
|
|
Timestamp time.Time
|
|
}
|
|
|
|
func (gi *GpsInfo) String() string {
|
|
return fmt.Sprintf("GpsInfo<LAT=(%.05f) LON=(%.05f) ALT=(%d) TIME=[%s]>", gi.Latitude.Decimal(), gi.Longitude.Decimal(), gi.Altitude, gi.Timestamp)
|
|
}
|
|
|
|
func (gi *GpsInfo) S2CellId() s2.CellID {
|
|
latitude := gi.Latitude.Decimal()
|
|
longitude := gi.Longitude.Decimal()
|
|
|
|
ll := s2.LatLngFromDegrees(latitude, longitude)
|
|
cellId := s2.CellIDFromLatLng(ll)
|
|
|
|
if cellId.IsValid() == false {
|
|
panic(ErrGpsCoordinatesNotValid)
|
|
}
|
|
|
|
return cellId
|
|
}
|