Fix EPSG4326 parameter difference with Leaflet.js

example/lib/main.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_map_example/pages/epsg4326_crs.dart';
 import 'package:flutter_map_example/pages/map_inside_listview.dart';
 import 'package:flutter_map_example/pages/network_tile_provider.dart';
 
@@ -75,7 +76,8 @@ class MyApp extends StatelessWidget {
         StatefulMarkersPage.route: (context) => StatefulMarkersPage(),
         MapInsideListViewPage.route: (context) => MapInsideListViewPage(),
         ResetTileLayerPage.route: (context) => ResetTileLayerPage(),
-        MaxBoundsPage.route: (context) => MaxBoundsPage()
+        EPSG4326Page.route: (context) => EPSG4326Page(),
+        MaxBoundsPage.route: (context) => MaxBoundsPage(),
       },
     );
   }

example/lib/pages/epsg4326_crs.dart

@@ -0,0 +1,47 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_map/flutter_map.dart';
+import 'package:latlong2/latlong.dart';
+
+import '../widgets/drawer.dart';
+
+class EPSG4326Page extends StatelessWidget {
+  static const String route = 'EPSG4326 Page';
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Text('EPSG4326')),
+      drawer: buildDrawer(context, route),
+      body: Padding(
+        padding: EdgeInsets.all(8.0),
+        child: Column(
+          children: [
+            Padding(
+              padding: EdgeInsets.only(top: 8.0, bottom: 8.0),
+              child: Text('This is a map that is showing (42.58, 12.43).'),
+            ),
+            Flexible(
+              child: FlutterMap(
+                options: MapOptions(
+                  minZoom: 0,
+                  crs: const Epsg4326(),
+                  center: LatLng(0, 0),
+                  zoom: 0.0,
+                ),
+                layers: [
+                  TileLayerOptions(
+                    wmsOptions: WMSTileLayerOptions(
+                      crs: const Epsg4326(),
+                      baseUrl: 'http://ows.mundialis.de/services/service?',
+                      layers: ['TOPO-OSM-WMS'],
+                    ),
+                  )
+                ],
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

example/lib/widgets/drawer.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_map_example/pages/epsg4326_crs.dart';
 import 'package:flutter_map_example/pages/map_inside_listview.dart';
 import 'package:flutter_map_example/pages/marker_rotate.dart';
 import 'package:flutter_map_example/pages/network_tile_provider.dart';
@@ -234,6 +235,13 @@ Drawer buildDrawer(BuildContext context, String currentRoute) {
             Navigator.pushReplacementNamed(context, ResetTileLayerPage.route);
           },
         ),
+        ListTile(
+          title: const Text('EPSG4326 Crs'),
+          selected: currentRoute == EPSG4326Page.route,
+          onTap: () {
+            Navigator.pushReplacementNamed(context, EPSG4326Page.route);
+          },
+        ),
         _buildMenuItem(
           context,
           const Text('Stateful markers'),

lib/src/geo/crs/crs.dart

@@ -148,7 +148,7 @@ class Epsg4326 extends Earth {
 
   const Epsg4326()
       : projection = const _LonLat(),
-        transformation = const Transformation(1 / 180, 0.5, -1 / 180, 0.5),
+        transformation = const Transformation(1 / 180, 1, -1 / 180, 0.5),
         super();
 }