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/controller/data/PublishController.java |   16 ++++++++
 src/main/java/com/lf/server/entity/all/StaticData.java             |    2 +
 src/main/java/com/lf/server/service/data/RasterService.java        |   45 ++++++++++++++++++++++
 3 files changed, 63 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/lf/server/controller/data/PublishController.java b/src/main/java/com/lf/server/controller/data/PublishController.java
index 324c94d..283780f 100644
--- a/src/main/java/com/lf/server/controller/data/PublishController.java
+++ b/src/main/java/com/lf/server/controller/data/PublishController.java
@@ -294,6 +294,22 @@
     }
 
     @SysLog()
+    @ApiOperation(value = "鏌ヨ鍧愭爣杞崲")
+    @ApiImplicitParams({
+            @ApiImplicitParam(name = "x", value = "X鍧愭爣", dataType = "double", paramType = "query", example = "40476573.02"),
+            @ApiImplicitParam(name = "y", value = "Y鍧愭爣", dataType = "double", paramType = "query", example = "3391108.90"),
+            @ApiImplicitParam(name = "epsg", value = "EPSG缂栫爜", dataType = "int", paramType = "query", example = "4528")
+    })
+    @GetMapping(value = "/selectCsTransform")
+    public Object selectCsTransform(double x, double y, int epsg) {
+        try {
+            return rasterService.csTransform(x, y, epsg);
+        } catch (Exception ex) {
+            return null;
+        }
+    }
+
+    @SysLog()
     @ApiOperation(value = "鎻掑叆鍙戝竷鏁版嵁")
     @ApiImplicitParams({
             @ApiImplicitParam(name = "entity", value = "瀹炰綋绫�", dataType = "PubEntity", paramType = "body")
diff --git a/src/main/java/com/lf/server/entity/all/StaticData.java b/src/main/java/com/lf/server/entity/all/StaticData.java
index 02e7cfc..a24464a 100644
--- a/src/main/java/com/lf/server/entity/all/StaticData.java
+++ b/src/main/java/com/lf/server/entity/all/StaticData.java
@@ -156,6 +156,8 @@
 
     public final static String COMPOUNDCURVE = "COMPOUNDCURVE";
 
+    public final static String CGCS2000 = "CGCS2000";
+
     public static final String NO_FILE = JSON.toJSONString(new ResponseMsg<String>(HttpStatus.NOT_FOUND, "鏂囦欢鎵句笉鍒�"));
 
     /**
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()};
+    }
 }

--
Gitblit v1.9.3