From 03d4fc607b5df795a4319120036ef138cde70896 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期二, 19 九月 2023 20:00:23 +0800
Subject: [PATCH] 1
---
src/main/java/com/lf/server/service/data/RasterService.java | 45 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 45 insertions(+), 0 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 b5117d7..72cb5c5 100644
--- a/src/main/java/com/lf/server/service/data/RasterService.java
+++ b/src/main/java/com/lf/server/service/data/RasterService.java
@@ -1,11 +1,15 @@
package com.lf.server.service.data;
+import com.lf.server.entity.all.StaticData;
import com.lf.server.helper.StringHelper;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.gdal.gdal.Dataset;
import org.gdal.gdal.gdal;
import org.gdal.gdalconst.gdalconst;
+import org.gdal.ogr.Geometry;
+import org.gdal.ogr.ogr;
+import org.gdal.osr.SpatialReference;
import org.springframework.stereotype.Service;
import java.io.File;
@@ -17,7 +21,25 @@
*/
@Service
public class RasterService {
+ private SpatialReference sr4326;
+
+ private SpatialReference sr4490;
+
private final static Log log = LogFactory.getLog(RasterService.class);
+
+ /**
+ * 鍒濆鍖栫┖闂村弬鑰�
+ */
+ public void initSr() {
+ if (null == sr4326) {
+ sr4326 = new SpatialReference();
+ sr4326.ImportFromEPSG(StaticData.I4326);
+ }
+ if (null == sr4490) {
+ sr4490 = new SpatialReference();
+ sr4490.ImportFromEPSG(StaticData.I4490);
+ }
+ }
/**
* 鑾峰彇鏍呮牸鏁版嵁鐨凟PSG缂栫爜
@@ -55,4 +77,27 @@
}
}
}
+
+ /**
+ * 鏌ヨ鍧愭爣杞崲
+ */
+ public Object csTransform(double x, double y, int epsg) {
+ this.initSr();
+
+ SpatialReference srs = new SpatialReference();
+ srs.ImportFromEPSG(epsg);
+
+ Geometry point = new Geometry(ogr.wkbPoint);
+ point.AddPoint(x, y, 0);
+ point.AssignSpatialReference(srs);
+
+ if (srs.GetName().contains(StaticData.CGCS2000)) {
+ point.TransformTo(sr4490);
+ } else {
+ point.TransformTo(sr4326);
+ }
+ point.SwapXY();
+
+ return new double[]{point.GetX(), point.GetY()};
+ }
}
--
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