From 9e80b0e01501851a2e37d3612d6f0fc03f58ce8d Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期三, 20 九月 2023 16:50:03 +0800
Subject: [PATCH] 添加proj4j坐标转换接口
---
src/main/java/com/lf/server/service/data/RasterService.java | 21 ++++++++++++++++++++-
1 files changed, 20 insertions(+), 1 deletions(-)
diff --git a/src/main/java/com/lf/server/service/data/RasterService.java b/src/main/java/com/lf/server/service/data/RasterService.java
index 72cb5c5..625b0c4 100644
--- a/src/main/java/com/lf/server/service/data/RasterService.java
+++ b/src/main/java/com/lf/server/service/data/RasterService.java
@@ -10,6 +10,7 @@
import org.gdal.ogr.Geometry;
import org.gdal.ogr.ogr;
import org.gdal.osr.SpatialReference;
+import org.osgeo.proj4j.*;
import org.springframework.stereotype.Service;
import java.io.File;
@@ -79,7 +80,7 @@
}
/**
- * 鏌ヨ鍧愭爣杞崲
+ * 鍧愭爣杞崲
*/
public Object csTransform(double x, double y, int epsg) {
this.initSr();
@@ -100,4 +101,22 @@
return new double[]{point.GetX(), point.GetY()};
}
+
+ /**
+ * 鍧愭爣杞崲-浣跨敤Proj4j搴�
+ */
+ public String transformByProj4j(double x, double y, int epsg) {
+ CRSFactory crsFactory = new CRSFactory();
+ CoordinateReferenceSystem fromCrs = crsFactory.createFromName("EPSG:" + epsg);
+ CoordinateReferenceSystem toCrs = crsFactory.createFromName("EPSG:4326");
+
+ CoordinateTransformFactory ctf = new CoordinateTransformFactory();
+ CoordinateTransform transform = ctf.createTransform(fromCrs, toCrs);
+
+ ProjCoordinate fromCoord = new ProjCoordinate(x, y);
+ ProjCoordinate toCoord = new ProjCoordinate();
+ transform.transform(fromCoord, toCoord);
+
+ return String.format("%f,%f", toCoord.x, toCoord.y);
+ }
}
--
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