adjust

producer/util.go

@@ -0,0 +1,34 @@
+package imageproc
+
+import (
+	"time"
+
+	"github.com/airbusgeo/godal"
+	log "github.com/sirupsen/logrus"
+)
+
+func setGeoTransform(ds *godal.Dataset, topLeftX, topLeftY, width, height, resolution float64) {
+	// 设置地理变换（假设左上角坐标为(0,0)，PAN每个像素分辨率为1.2米）
+	geotransform := [6]float64{
+		0,           // top left x
+		resolution,  // w-e pixel resolution
+		0,           // rotation, 0 if image is "north up"
+		0,           // top left y
+		0,           // rotation, 0 if image is "north up"
+		-resolution, // n-s pixel resolution (negative value)
+	}
+	err := ds.SetGeoTransform(geotransform)
+	if err != nil {
+		log.Errorf("Failed to set GeoTransform: %v", err)
+	}
+
+	// 设置投影信息（WGS84）
+	err = ds.SetProjection(calculateProj(topLeftX, topLeftY, width, height, resolution))
+	if err != nil {
+		log.Errorf("Failed to set projection: %v", err)
+	}
+
+	// 设置一些常见的元数据（可选）
+	ds.SetMetadata("TIFFTAG_DATETIME", time.Now().String())
+	ds.SetMetadata("TIFFTAG_SOFTWARE", "StarWiz-SJY01-IMAGE-PROC")
+}