From ed8c7a5effd0d423ce1118b680ecdca6fe732609 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期三, 02 七月 2025 16:43:13 +0800
Subject: [PATCH] Merge branch 'master' of http://192.168.11.205:9000/r/P2022036_Service
---
src/main/java/com/lf/server/service/data/RasterService.java | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 57 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..1870908 100644
--- a/src/main/java/com/lf/server/service/data/RasterService.java
+++ b/src/main/java/com/lf/server/service/data/RasterService.java
@@ -2,6 +2,7 @@
import com.lf.server.entity.all.StaticData;
import com.lf.server.helper.StringHelper;
+import com.lf.server.helper.WebHelper;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.gdal.gdal.Dataset;
@@ -10,6 +11,8 @@
import org.gdal.ogr.Geometry;
import org.gdal.ogr.ogr;
import org.gdal.osr.SpatialReference;
+import org.osgeo.proj4j.*;
+import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import java.io.File;
@@ -24,6 +27,9 @@
private SpatialReference sr4326;
private SpatialReference sr4490;
+
+ @Value("${sys.gdal_path}")
+ private String gdalPath;
private final static Log log = LogFactory.getLog(RasterService.class);
@@ -79,7 +85,39 @@
}
/**
- * 鏌ヨ鍧愭爣杞崲
+ * 浣跨敤GDAL鑾峰彇EPSG缂栫爜
+ */
+ public Integer getEpsgByGdal(String file) {
+ try {
+ File f = new File(file);
+ if (!f.exists() || f.isDirectory()) {
+ return null;
+ }
+
+ String cmd = String.format("%s\\gdalsrsinfo.exe \"%s\" -o epsg", gdalPath, file);
+ String rs = WebHelper.exec2(cmd);
+ if (StringHelper.isEmpty(rs)) {
+ return null;
+ }
+
+ String[] strs = rs.split("\n");
+ for (String str : strs) {
+ if (str.contains("EPSG:")) {
+ String epsg = str.replace("EPSG:", "");
+
+ return Integer.parseInt(epsg);
+ }
+ }
+
+ return 0;
+ } catch (Exception ex) {
+ log.error(ex.getMessage(), ex);
+ return null;
+ }
+ }
+
+ /**
+ * 鍧愭爣杞崲
*/
public Object csTransform(double x, double y, int epsg) {
this.initSr();
@@ -100,4 +138,22 @@
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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