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 |  234 ++++++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 files changed, 211 insertions(+), 23 deletions(-)

diff --git a/src/main/java/com/se/simu/helper/GdalHelper.java b/src/main/java/com/se/simu/helper/GdalHelper.java
index 5de0452..3ea0ba9 100644
--- a/src/main/java/com/se/simu/helper/GdalHelper.java
+++ b/src/main/java/com/se/simu/helper/GdalHelper.java
@@ -1,43 +1,231 @@
 package com.se.simu.helper;
 
 import lombok.extern.slf4j.Slf4j;
+import org.gdal.gdal.Band;
+import org.gdal.gdal.Dataset;
 import org.gdal.gdal.gdal;
-import org.gdal.ogr.ogr;
+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 2024-07-16
- */
 @Slf4j
 @SuppressWarnings("ALL")
 public class GdalHelper {
+    public final static int I4326 = 4326;
+
+    public final static int I4490 = 4490;
+
+    public static SpatialReference SR4326;
+
+    public static SpatialReference SR4490;
+
+    public final static String CGCS2000 = "CGCS2000";
+
+    /**
+     * 鍒濆鍖�
+     */
     public static void init(String gdalPath) {
-        // 鏀寔涓枃璺緞
+        // 閰嶇疆鐜鍙橀噺
+        if (!StringHelper.isEmpty(gdalPath)) {
+            if (WebHelper.isWin()) {
+                gdal.SetConfigOption("GDAL_DATA", gdalPath + "/gdal-data");
+                gdal.SetConfigOption("PROJ_LIB", gdalPath + "/proj7/share");
+                //System.setProperty("PROJ_LIB", gdalPath + "/proj7/share")
+                gdal.SetConfigOption("GDAL_DRIVER_PATH", gdalPath + "/gdalplugins");
+
+                String path = System.getenv("PATH");
+                if (!path.contains(gdalPath)) {
+                    System.setProperty("PATH", path + ";" + gdalPath);
+                }
+            } else {
+                //System.setProperty("java.library.path", gdalPath);
+            }
+        }
+
         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");
 
-        // 閰嶇疆鐜鍙橀噺
-        if (!StringHelper.isEmpty(gdalPath)) {
-            gdal.SetConfigOption("GDAL_DATA", gdalPath + File.separator + "gdal-data");
-            gdal.SetConfigOption("PROJ_LIB", gdalPath + File.separator + "proj7" + File.separator + "share");
-            //System.setProperty("PROJ_LIB", gdalPath + File.separator + "proj7" + File.separator + "share")
-            gdal.SetConfigOption("GDAL_DRIVER_PATH", gdalPath + File.separator + "gdalplugins");
-
-            String path = System.getenv("PATH");
-            if (!path.contains(gdalPath)) {
-                System.setProperty("PATH", path + ";" + gdalPath);
-            }
-        }
-
-        // 娉ㄥ唽鎵�鏈夌殑椹卞姩
         gdal.AllRegister();
         ogr.RegisterAll();
+        initSr();
+    }
+
+    public static void initSr() {
+        try {
+            SR4326 = new SpatialReference();
+            SR4326.ImportFromEPSG(I4326);
+            SR4326.SetAxisMappingStrategy(osr.OAMS_TRADITIONAL_GIS_ORDER);
+
+            SR4490 = new SpatialReference();
+            SR4490.ImportFromEPSG(I4490);
+            SR4490.SetAxisMappingStrategy(osr.OAMS_TRADITIONAL_GIS_ORDER);
+        } catch (Exception ex) {
+            log.error(ex.getMessage(), ex);
+        }
+    }
+
+    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 {
+            File f = new File(file);
+            if (!f.exists() || f.isDirectory()) {
+                return;
+            }
+
+            ds = gdal.Open(file, gdalconst.GA_ReadOnly);
+            if (null == ds || ds.getRasterCount() < 1 || null == ds.GetSpatialRef()) {
+                return;
+            }
+
+            Band band = ds.GetRasterBand(1);
+            if (0 == band.GetOverviewCount()) {
+                ds.BuildOverviews("nearest", new int[]{2, 4, 6, 8, 16}, null);
+            }
+        } catch (Exception ex) {
+            log.error(ex.getMessage(), ex);
+        } finally {
+            if (null != ds) {
+                ds.delete();
+            }
+        }
+    }
+
+    public static void delete(Layer layer, DataSource dataSource, Driver driver) {
+        try {
+            if (null != layer) {
+                layer.delete();
+            }
+        } catch (Exception ex) {
+            log.error(ex.getMessage(), ex);
+        }
+        try {
+            if (null != dataSource) {
+                dataSource.delete();
+            }
+        } catch (Exception ex) {
+            log.error(ex.getMessage(), ex);
+        }
+        try {
+            if (null != driver) {
+                driver.delete();
+            }
+        } catch (Exception ex) {
+            log.error(ex.getMessage(), ex);
+        }
+    }
+
+    public static Geometry getMinPoint(Dataset ds) {
+        double[] transform = new double[6];
+        ds.GetGeoTransform(transform);
+
+        double xMin = transform[0];
+        double yMin = transform[3] - ds.getRasterYSize() * transform[1];
+
+        Geometry point = new Geometry(ogr.wkbPoint);
+        point.AddPoint(xMin, yMin, 0);
+
+        return Transform(ds, point);
+    }
+
+    public static Geometry getMaxPoint(Dataset ds) {
+        double[] transform = new double[6];
+        ds.GetGeoTransform(transform);
+
+        double xMax = transform[0] + (ds.getRasterYSize() * transform[1]);
+        double yMax = transform[3];
+
+        Geometry point = new Geometry(ogr.wkbPoint);
+        point.AddPoint(xMax, yMax, 0);
+
+        return Transform(ds, point);
+    }
+
+    public static Geometry Transform(Dataset ds, Geometry point) {
+        point.AssignSpatialReference(ds.GetSpatialRef());
+        if (ds.GetSpatialRef().IsGeographic() > 0) {
+            return point;
+        }
+
+        String srsName = ds.GetSpatialRef().GetName();
+        //if (srsName.Contains(CGCS2000))
+        //{
+        //    point.TransformTo(sr4490);
+        //}
+        //else
+        //{
+        point.TransformTo(SR4326);
+        //}
+        //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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