0096243240
Replaces the --no-wrap flag with --md in all "photoprism show ..." subcommands, as this is easier to understand. See also #2247. Unused code was opportunistically removed along the way.
102 lines
2.3 KiB
Go
102 lines
2.3 KiB
Go
package meta
|
|
|
|
import (
|
|
"regexp"
|
|
"strconv"
|
|
|
|
"github.com/photoprism/photoprism/pkg/sanitize"
|
|
|
|
"github.com/dsoprea/go-exif/v3"
|
|
)
|
|
|
|
var GpsCoordsRegexp = regexp.MustCompile("[0-9\\.]+")
|
|
var GpsRefRegexp = regexp.MustCompile("[NSEW]+")
|
|
var GpsFloatRegexp = regexp.MustCompile("[+\\-]?(?:(?:0|[1-9]\\d*)(?:\\.\\d*)?|\\.\\d+)")
|
|
|
|
// GpsToLatLng returns the GPS latitude and longitude as float point number.
|
|
func GpsToLatLng(s string) (lat, lng float32) {
|
|
// Emtpy?
|
|
if s == "" {
|
|
return 0, 0
|
|
}
|
|
|
|
// Floating point numbers?
|
|
if fl := GpsFloatRegexp.FindAllString(s, -1); len(fl) == 2 {
|
|
if lat, err := strconv.ParseFloat(fl[0], 64); err != nil {
|
|
log.Infof("metadata: %s is not a valid gps position", sanitize.Log(fl[0]))
|
|
} else if lng, err := strconv.ParseFloat(fl[1], 64); err == nil {
|
|
return float32(lat), float32(lng)
|
|
}
|
|
}
|
|
|
|
// Parse string values.
|
|
co := GpsCoordsRegexp.FindAllString(s, -1)
|
|
re := GpsRefRegexp.FindAllString(s, -1)
|
|
|
|
if len(co) != 6 || len(re) != 2 {
|
|
return 0, 0
|
|
}
|
|
|
|
latDeg := exif.GpsDegrees{
|
|
Orientation: re[0][0],
|
|
Degrees: ParseFloat(co[0]),
|
|
Minutes: ParseFloat(co[1]),
|
|
Seconds: ParseFloat(co[2]),
|
|
}
|
|
|
|
lngDeg := exif.GpsDegrees{
|
|
Orientation: re[1][0],
|
|
Degrees: ParseFloat(co[3]),
|
|
Minutes: ParseFloat(co[4]),
|
|
Seconds: ParseFloat(co[5]),
|
|
}
|
|
|
|
return float32(latDeg.Decimal()), float32(lngDeg.Decimal())
|
|
}
|
|
|
|
// GpsToDecimal returns the GPS latitude or longitude as decimal float point number.
|
|
func GpsToDecimal(s string) float32 {
|
|
// Emtpy?
|
|
if s == "" {
|
|
return 0
|
|
}
|
|
|
|
// Floating point number?
|
|
if f, err := strconv.ParseFloat(s, 64); err == nil {
|
|
return float32(f)
|
|
}
|
|
|
|
// Parse string value.
|
|
co := GpsCoordsRegexp.FindAllString(s, -1)
|
|
re := GpsRefRegexp.FindAllString(s, -1)
|
|
|
|
if len(co) != 3 || len(re) != 1 {
|
|
return 0
|
|
}
|
|
|
|
latDeg := exif.GpsDegrees{
|
|
Orientation: re[0][0],
|
|
Degrees: ParseFloat(co[0]),
|
|
Minutes: ParseFloat(co[1]),
|
|
Seconds: ParseFloat(co[2]),
|
|
}
|
|
|
|
return float32(latDeg.Decimal())
|
|
}
|
|
|
|
// ParseFloat returns a single GPS coordinate value as floating point number (degree, minute or second).
|
|
func ParseFloat(s string) float64 {
|
|
// Empty?
|
|
if s == "" {
|
|
return 0
|
|
}
|
|
|
|
// Parse floating point number.
|
|
if result, err := strconv.ParseFloat(s, 64); err != nil {
|
|
log.Debugf("metadata: %s is not a valid gps position", sanitize.Log(s))
|
|
return 0
|
|
} else {
|
|
return result
|
|
}
|
|
}
|