update

public/index.html

@@ -150,10 +150,8 @@
             const answer = document.getElementById('calculated_area');
             // $("#")
             var source = new proj4.Proj('EPSG:4326'); //source coordinates will be in Longitude/Latitude
-            proj4.defs("EPSG:31463",
-                "+proj=tmerc +lat_0=0 +lon_0=9 +k=1 +x_0=3500000 +y_0=0 +ellps=bessel +towgs84=598.1,73.7,418.2,0.202,0.045,-2.455,6.7 +units=m +no_defs"
-            );
-            var dest = new proj4.Proj('EPSG:31463'); //source coordinates will be in Longitude/Latitude
+            proj4.defs("EPSG:25832","+proj=utm +zone=32 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs");
+            var dest = new proj4.Proj('EPSG:25832'); //source coordinates will be in Longitude/Latitude
 
             var p_min = new proj4.toPoint([tmp_layer._bounds._southWest.lng, tmp_layer._bounds._southWest
                 .lat
@@ -173,9 +171,9 @@
 
                 <br>
                 
-                BBOX (31463): 
-                <input type="text" value="${p_dest_min.x.toFixed(4)},${p_dest_min.y.toFixed(4)},${p_dest_max.x.toFixed(4)},${p_dest_max.y.toFixed(4)}" id="31463" size="60">
-                <button class="badge bg-secondary" onclick="clickToCopy('31463')">click to copy</button>
+                BBOX (25832): 
+                <input type="text" value="${p_dest_min.x.toFixed(4)},${p_dest_min.y.toFixed(4)},${p_dest_max.x.toFixed(4)},${p_dest_max.y.toFixed(4)}" id="25832" size="60">
+                <button class="badge bg-secondary" onclick="clickToCopy('25832')">click to copy</button>
 
                 <hr>
 
@@ -186,7 +184,7 @@
 
                 `;
             console.log(
-                `WFS Request (31463): http://193.196.137.147:8080/wfs?SERVICE=WFS&VERSION=2.0.0&REQUEST=GetFeature&typeNames=bldg:Building&bbox=${p_dest_min.x.toFixed(4)},${p_dest_min.y.toFixed(4)},${p_dest_max.x.toFixed(4)},${p_dest_max.y.toFixed(4)}&srsName=EPSG:31463`
+                `WFS Request (25832): http://193.196.137.147:8080/wfs?SERVICE=WFS&VERSION=2.0.0&REQUEST=GetFeature&typeNames=bldg:Building&bbox=${p_dest_min.x.toFixed(4)},${p_dest_min.y.toFixed(4)},${p_dest_max.x.toFixed(4)},${p_dest_max.y.toFixed(4)}&srsName=EPSG:25832`
                 )
         });
 
@@ -229,7 +227,7 @@
                         <br>
                         BBOX (${input_epsg}): 
                         <input type="text" value="${parseFloat(data[0]["x"]).toFixed(4)},${parseFloat(data[0]["y"]).toFixed(4)},${parseFloat(data[1]["x"]).toFixed(4)},${parseFloat(data[1]["y"]).toFixed(4)}" id="${input_epsg}" size="60">
-                        <button class="badge bg-secondary" onclick="clickToCopy('31463')">click to copy</button>
+                        <button class="badge bg-secondary" onclick="clickToCopy('${input_epsg}')">click to copy</button>
                         `
                     $("#conversion_result").html(result)
                     console.log(