From 3417cf014a65765e02696c1d121ce58b2b4a8aed Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期二, 08 四月 2025 15:55:36 +0800
Subject: [PATCH] 修改pom.xml

---
 src/main/java/com/se/simu/helper/GdalHelper.java |  109 ++++++++++++++++++++++++++++++++++--------------------
 1 files changed, 69 insertions(+), 40 deletions(-)

diff --git a/src/main/java/com/se/simu/helper/GdalHelper.java b/src/main/java/com/se/simu/helper/GdalHelper.java
index e988d0e..3ea0ba9 100644
--- a/src/main/java/com/se/simu/helper/GdalHelper.java
+++ b/src/main/java/com/se/simu/helper/GdalHelper.java
@@ -6,17 +6,12 @@
 import org.gdal.gdal.gdal;
 import org.gdal.gdalconst.gdalconst;
 import org.gdal.ogr.*;
+import org.gdal.osr.CoordinateTransformation;
 import org.gdal.osr.SpatialReference;
 import org.gdal.osr.osr;
 
 import java.io.File;
 
-/**
- * GDAL甯姪绫�
- *
- * @author WWW
- * @date 2024-09-12
- */
 @Slf4j
 @SuppressWarnings("ALL")
 public class GdalHelper {
@@ -51,29 +46,20 @@
             }
         }
 
-        // 鏀寔涓枃璺緞
         gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "YES");
-        // 灞炴�ц〃鏀寔涓枃锛欳P936
         gdal.SetConfigOption("SHAPE_ENCODING", "");
         gdal.SetConfigOption("PGEO_DRIVER_TEMPLATE", "DRIVER=Microsoft Access Driver (*.mdb, *.accdb);DBQ=%s");
         gdal.SetConfigOption("MDB_DRIVER_TEMPLATE", "DRIVER=Microsoft Access Driver (*.mdb, *.accdb);DBQ=%s");
 
-        // 娉ㄥ唽鎵�鏈夌殑椹卞姩
         gdal.AllRegister();
         ogr.RegisterAll();
         initSr();
     }
 
-    /**
-     * 鍒濆鍖栧潗鏍囩郴
-     * <p>
-     * https://blog.csdn.net/CallmeAdo/article/details/127558139
-     */
     public static void initSr() {
         try {
             SR4326 = new SpatialReference();
             SR4326.ImportFromEPSG(I4326);
-            // 瀵逛簬lat/long椤哄簭鐨勫湴鐞咰RS锛屾暟鎹粛鐒舵槸long/lat椤哄簭鐨�
             SR4326.SetAxisMappingStrategy(osr.OAMS_TRADITIONAL_GIS_ORDER);
 
             SR4490 = new SpatialReference();
@@ -84,9 +70,14 @@
         }
     }
 
-    /**
-     * 鍒涘缓閲戝瓧濉�
-     */
+    public static SpatialReference createSpatialReference(int epsg) {
+        SpatialReference sr = new SpatialReference();
+        sr.ImportFromEPSG(epsg);
+        sr.SetAxisMappingStrategy(osr.OAMS_TRADITIONAL_GIS_ORDER);
+
+        return sr;
+    }
+
     public static void createPyramid(String file) {
         Dataset ds = null;
         try {
@@ -100,7 +91,6 @@
                 return;
             }
 
-            // 鍒涘缓閲戝瓧濉�
             Band band = ds.GetRasterBand(1);
             if (0 == band.GetOverviewCount()) {
                 ds.BuildOverviews("nearest", new int[]{2, 4, 6, 8, 16}, null);
@@ -114,9 +104,6 @@
         }
     }
 
-    /**
-     * 閿�姣佽祫婧�
-     */
     public static void delete(Layer layer, DataSource dataSource, Driver driver) {
         try {
             if (null != layer) {
@@ -141,8 +128,7 @@
         }
     }
 
-    public static Geometry getMinPoint(Dataset ds)
-    {
+    public static Geometry getMinPoint(Dataset ds) {
         double[] transform = new double[6];
         ds.GetGeoTransform(transform);
 
@@ -155,17 +141,7 @@
         return Transform(ds, point);
     }
 
-    public static Geometry getMaxPoint(Dataset ds)
-    {
-        /*
-         * transform[0] 宸︿笂瑙抶鍧愭爣
-         * transform[1] 涓滆タ鏂瑰悜鍒嗚鲸鐜�
-         * transform[2] 鏃嬭浆瑙掑害, 0琛ㄧず鍥惧儚 "鍖楁柟鏈濅笂"
-         *
-         * transform[3] 宸︿笂瑙抷鍧愭爣
-         * transform[4] 鏃嬭浆瑙掑害, 0琛ㄧず鍥惧儚 "鍖楁柟鏈濅笂"
-         * transform[5] 鍗楀寳鏂瑰悜鍒嗚鲸鐜�
-         */
+    public static Geometry getMaxPoint(Dataset ds) {
         double[] transform = new double[6];
         ds.GetGeoTransform(transform);
 
@@ -178,11 +154,9 @@
         return Transform(ds, point);
     }
 
-    public static Geometry Transform(Dataset ds, Geometry point)
-    {
+    public static Geometry Transform(Dataset ds, Geometry point) {
         point.AssignSpatialReference(ds.GetSpatialRef());
-        if (ds.GetSpatialRef().IsGeographic() > 0)
-        {
+        if (ds.GetSpatialRef().IsGeographic() > 0) {
             return point;
         }
 
@@ -195,8 +169,63 @@
         //{
         point.TransformTo(SR4326);
         //}
-        point.SwapXY();
+        //point.SwapXY();
 
         return point;
     }
+
+    public static Geometry toWgs84(SpatialReference sr, double x, double y) {
+        Geometry point = new Geometry(ogr.wkbPoint);
+        point.AssignSpatialReference(sr);
+        point.AddPoint(x, y);
+
+        point.TransformTo(GdalHelper.SR4326);
+        //point.SwapXY();
+
+        return point;
+    }
+
+    public static int toWgs84(SpatialReference sr, Geometry g) {
+        CoordinateTransformation ct = new CoordinateTransformation(sr, GdalHelper.SR4326);
+        if (sr.IsProjected() != 1) {
+            sr.SetAxisMappingStrategy(osr.OAMS_TRADITIONAL_GIS_ORDER);
+        }
+
+        return g.TransformTo(GdalHelper.SR4326);
+    }
+
+    public static double[] fromWgs84(SpatialReference sr, double x, double y) {
+        CoordinateTransformation ct = new CoordinateTransformation(GdalHelper.SR4326, sr);
+        if (sr.IsProjected() != 1) {
+            sr.SetAxisMappingStrategy(osr.OAMS_TRADITIONAL_GIS_ORDER);
+        }
+
+        return ct.TransformPoint(x, y);
+    }
+
+    public static int fromWgs84(SpatialReference sr, Geometry g) {
+        CoordinateTransformation ct = new CoordinateTransformation(GdalHelper.SR4326, sr);
+        if (sr.IsProjected() != 1) {
+            sr.SetAxisMappingStrategy(osr.OAMS_TRADITIONAL_GIS_ORDER);
+        }
+
+        return g.TransformTo(sr);
+    }
+
+    public static Geometry createPolygon(SpatialReference sr, Double minx, Double miny, Double maxx, Double maxy) {
+        Geometry ring = new Geometry(ogr.wkbLinearRing);
+        ring.AddPoint_2D(minx, maxy);
+        ring.AddPoint_2D(maxx, maxy);
+        ring.AddPoint_2D(maxx, miny);
+        ring.AddPoint_2D(minx, miny);
+        ring.AddPoint_2D(minx, maxy);
+
+        Geometry poly = new Geometry(ogr.wkbPolygon);
+        poly.AddGeometry(ring);
+        if (null != sr) {
+            poly.AssignSpatialReference(sr);
+        }
+
+        return poly;
+    }
 }

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