增加坐标点转换接口

src/app/api/transformation.py

@@ -13,7 +13,7 @@ coords_list = reqparse.RequestParser(bundle_errors=True)
 coords_list.add_argument('coords_list', type=str, required=True, location='form', help='点数组 [[x ,y], [x, y]]')
 
 
-@ns.route('/sh2000_to_wgs84')
+# @ns.route('/sh2000_to_wgs84')
 class Sh2000ToWgs84(Resource):
 
     @ns.doc(description='上海2000转wgs84')
@@ -51,7 +51,7 @@ class Sh2000ToWgs84(Resource):
             return jsonify(code=StatesCode.UNKNOWN_ERROR, message='失败', data=str(e))
 
 
-@ns.route('/urban construction_to_wgs84')
+# @ns.route('/urban construction_to_wgs84')
 class UrbanConstruction(Resource):
 
     @ns.doc(description='城地转wgs84')
@@ -86,3 +86,86 @@ class UrbanConstruction(Resource):
             return jsonify(code=StatesCode.SUCCESS, message='成功', data=coords)
         except Exception as e:
             return jsonify(code=StatesCode.UNKNOWN_ERROR, message='失败', data=str(e))
+
+
+coords = reqparse.RequestParser(bundle_errors=True)
+coords.add_argument('x', type=str, required=True, location='args', help='x')
+coords.add_argument('y', type=str, required=True, location='args', help='y')
+
+
+@ns.route('/coord_sh2000_to_wgs84')
+class Sh2000ToWgs84(Resource):
+    @ns.doc(description='上海2000转wgs84')
+    @ns.expect(coords)
+    def get(self):
+        """上海2000转wgs84"""
+
+        x = request.args.get('x')
+        y = request.args.get('y')
+
+        if x and y:
+            x = float(x)
+            y = float(y)
+        else:
+            return jsonify(code=StatesCode.PARA_ERROR, message='坐标点不能为空')
+
+        try:
+            wkt_path = os.path.join(
+                os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))),
+                'config', '上海2000.prj'
+            )
+
+            with open(wkt_path, 'r') as f:
+                wkt_str = f.read()
+
+            srs_source = osr.SpatialReference()
+            srs_source.ImportFromWkt(wkt_str)
+
+            srs_dest = osr.SpatialReference()
+            srs_dest.ImportFromEPSG(4326)
+
+            transform = osr.CoordinateTransformation(srs_source, srs_dest)
+            coords = transform.TransformPoint(x, y)
+
+            return jsonify(code=StatesCode.SUCCESS, message='成功', data=coords)
+        except Exception as e:
+            return jsonify(code=StatesCode.UNKNOWN_ERROR, message='失败', data=str(e))
+
+
+@ns.route('/coord_urban construction_to_wgs84')
+class UrbanConstruction(Resource):
+
+    @ns.doc(description='城地转wgs84')
+    @ns.expect(coords)
+    def get(self):
+        """城地转wgs84"""
+        x = request.args.get('x')
+        y = request.args.get('y')
+
+        if x and y:
+            x = float(x)
+            y = float(y)
+        else:
+            return jsonify(code=StatesCode.PARA_ERROR, message='坐标点不能为空')
+
+        try:
+            wkt_path = os.path.join(
+                os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))),
+                'config', '城地转84.prj'
+            )
+
+            with open(wkt_path, 'r') as f:
+                wkt_str = f.read()
+
+            srs_source = osr.SpatialReference()
+            srs_source.ImportFromWkt(wkt_str)
+
+            srs_dest = osr.SpatialReference()
+            srs_dest.ImportFromEPSG(4326)
+
+            transform = osr.CoordinateTransformation(srs_source, srs_dest)
+            coords = transform.TransformPoint(x, y)
+
+            return jsonify(code=StatesCode.SUCCESS, message='成功', data=coords)
+        except Exception as e:
+            return jsonify(code=StatesCode.UNKNOWN_ERROR, message='失败', data=str(e))