110 lines
3.3 KiB
Go
110 lines
3.3 KiB
Go
package imageproc
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import (
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"math"
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"time"
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"github.com/paulmach/orb"
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"github.com/paulmach/orb/planar"
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"starwiz.cn/sjy01/image-proc/pkg/auxilary"
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"starwiz.cn/sjy01/image-proc/pkg/calculator"
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)
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func (r *Registrator) LoadAuxData() error {
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var err error
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r.auxHeads, r.auxBoxes, r.AuxPlatforms, err = auxilary.ExtractAux(r.Params.AuxRawFile)
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return err
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}
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func (r *Registrator) SceneImageTime(scene *Scene) (start, center, end time.Time) {
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startPosInAux, endPosInAux := r.SceneInAuxIndex(scene)
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centerPosInAux := (startPosInAux + endPosInAux) / 2
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start = time.Unix(int64(auxilary.ReferenceTime2000)+int64(r.AuxPlatforms[startPosInAux].UTCTimeSec),
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int64(r.AuxPlatforms[startPosInAux].Microsecond)*1000)
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center = time.Unix(int64(auxilary.ReferenceTime2000)+int64(r.AuxPlatforms[centerPosInAux].UTCTimeSec),
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int64(r.AuxPlatforms[centerPosInAux].Microsecond)*1000)
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end = time.Unix(int64(auxilary.ReferenceTime2000)+int64(r.AuxPlatforms[endPosInAux].UTCTimeSec),
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int64(r.AuxPlatforms[endPosInAux].Microsecond)*1000)
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return
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}
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// FIXME: 位置像元经纬度计算方法，暂时使用星下点替代
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func (r *Registrator) ScenePosition(scene *Scene) (topLeft, bottomRight orb.Point) {
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// startPosInAux, endPosInAux := r.SceneInAuxIndex(scene)
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ap := r.AuxPlatforms[0]
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// ap1 := r.AuxPlatforms[endPosInAux]
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lat0, lng0, _ := calculator.WGS84XYZtoLatLngH(ap.WGS84PosX, ap.WGS84PosY, ap.WGS84PosZ)
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lat, lng := calculator.CalculateDestination(lat0, lng0,
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float64(scene.Width)*scene.Meta.Gsd, float64(-scene.Y)*scene.Meta.Gsd)
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// lat0, lng0, h0 := calculator.WGS84XYZtoLatLngH(ap1.WGS84PosX, ap1.WGS84PosY, ap1.WGS84PosZ)
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// fmt.Println("Scene Position End:", lat0, lng0, h0)
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lat1, lng1 := calculator.CalculateDestination(lat, lng,
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float64(scene.Width)*scene.Meta.Gsd, float64(-scene.Height)*scene.Meta.Gsd)
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poly := orb.Polygon{
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{
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{lng, lat},
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{lng1, lat},
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{lng1, lat1},
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{lng, lat1},
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{lng, lat},
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},
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}
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centroid, _ := planar.CentroidArea(poly)
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scene.Meta.CentreLocation.Latitude = centroid.Y()
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scene.Meta.CentreLocation.Longitude = centroid.X()
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scene.Meta.Corners.UpperLeft.Latitude = lat
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scene.Meta.Corners.UpperLeft.Longitude = lng
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scene.Meta.Corners.UpperRight.Latitude = lat
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scene.Meta.Corners.UpperRight.Longitude = lng1
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scene.Meta.Corners.LowerLeft.Latitude = lat1
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scene.Meta.Corners.LowerLeft.Longitude = lng
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scene.Meta.Corners.LowerRight.Latitude = lat1
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scene.Meta.Corners.LowerRight.Longitude = lng1
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scene.Meta.SatPosX = ap.WGS84PosX
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scene.Meta.SatPosY = ap.WGS84PosY
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scene.Meta.SatPosZ = ap.WGS84PosZ
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scene.Meta.Yaw = ap.Eular1 * 180 / math.Pi
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scene.Meta.Pitch = ap.Eular2 * 180 / math.Pi
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scene.Meta.Roll = ap.Eular3 * 180 / math.Pi
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// feature := geojson.NewFeature(poly)
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// fcs.Features = append(fcs.Features, feature)
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// fd, _ := fcs.MarshalJSON()
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// fmt.Println(string(fd))
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return
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}
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func (r *Registrator) SceneInAuxIndex(scene *Scene) (int, int) {
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var auxForImageRow int
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switch scene.Type {
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case "MSS":
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auxForImageRow = 4
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case "PAN":
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auxForImageRow = 16
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case "FUS":
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auxForImageRow = 16
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}
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startPosInAux := scene.Y / auxForImageRow
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if startPosInAux >= len(r.AuxPlatforms) {
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startPosInAux = len(r.AuxPlatforms) - 1
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}
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endPosInAux := (scene.Y + scene.Height) / auxForImageRow
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if endPosInAux >= len(r.AuxPlatforms) {
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endPosInAux = len(r.AuxPlatforms) - 1
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}
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return startPosInAux, endPosInAux
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}
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