From a3d8b2a5a449f2f633973786573b5306f29a517e Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期三, 29 十一月 2023 16:33:45 +0800
Subject: [PATCH] 添加“使用GDAL获取EPSG编码”
---
src/main/java/com/lf/server/service/data/RasterService.java | 37 +++++++++++++++++++++++++++++++++++++
1 files changed, 37 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 625b0c4..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;
@@ -11,6 +12,7 @@
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;
@@ -25,6 +27,9 @@
private SpatialReference sr4326;
private SpatialReference sr4490;
+
+ @Value("${sys.gdal_path}")
+ private String gdalPath;
private final static Log log = LogFactory.getLog(RasterService.class);
@@ -80,6 +85,38 @@
}
/**
+ * 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) {
--
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